WO2025139786A1 - Ntn communication method and communication apparatus - Google Patents

Abstract

The present application provides an NTN communication method and a communication apparatus. The method comprises: a first device can determine a first pilot configuration, the first pilot configuration corresponding to a first time period, the first time period being a time period during which the first pilot configuration is activated, or the first pilot configuration corresponding to a first position, and the first position being a geographic position at which the first pilot configuration is sent; and performing interference detection on the basis of the first pilot configuration. A satellite is in a moving state, for a receiving end, a pilot for interference measurement changes over time, and the receiving end (the first device) can determine a pilot associated with current time information (the first time period) or associated with sending end position information (the first position), and perform interference measurement on the basis of the pilot, thus avoiding invalid measurement at the receiving end, and saving measurement overhead.

Description

NTN communication method and communication device

This application claims priority to the Chinese patent application filed with the State Intellectual Property Office of China on December 28, 2023, with application number 202311840591.9 and invention name “A NTN communication method and communication device”, the entire contents of which are incorporated by reference in this application.

Technical Field

The present application relates to a satellite network, and more specifically, to a NTN communication method and a communication device.

Background Art

Satellite communications and other non-terrestrial communication networks (NTN) have significant advantages such as global coverage, long-distance transmission, flexible networking, easy deployment and no geographical restrictions. They have been widely used in many fields such as maritime communications, positioning and navigation, disaster relief, scientific experiments, video broadcasting and earth observation.

In satellite communication systems, there are scenarios where multiple communication systems coexist, such as the coexistence technology of intersatellite communication systems (hereinafter referred to as intersatellite systems) and satellite and cellular network communication systems (hereinafter referred to as satellite-to-ground systems). The implementation of the coexistence mechanism depends on information such as satellite orbits and beam pointing, so it is necessary to measure the interference between systems. In the scenario of system coexistence, the movement of satellites causes the disturbing end and the disturbed end to change dynamically, which may lead to problems such as redundant measurements or frequent configuration updates.

Therefore, an interference measurement solution is urgently needed to avoid unnecessary pilot measurement overhead and improve interference measurement efficiency.

Summary of the invention

The present application provides an NTN communication method, which enables a receiving end to determine a pilot to be measured by associating an interference measurement pilot configuration with an activation time or a transmitting end position, thereby reducing pilot measurement overhead and improving interference measurement efficiency.

In a first aspect, an NTN communication method is provided. The method may be executed by a first device, or may be executed by a chip or circuit configured in the first device, which is not limited in the present application.

The method includes: determining a first pilot configuration, the first pilot configuration corresponds to a first time period, the first time period is a time period for activating the first pilot configuration, or the first pilot configuration corresponds to a first position, the first position is a geographical location where the first pilot configuration is sent; performing interference detection based on the first pilot configuration.

In the present application, the first device serves as a receiving device, and the first device may include a terminal device or an access network device.

In the present application, the second device serves as a sending device, and the second device may include a satellite or an access network device deployed on a satellite.

In the present application, the first device can be used as a device in a cellular cell in a satellite-to-ground system, and the second device can be used as a device in a satellite cell in a star-to-ground system. The first device and the second device can send and detect pilot signals to each other to determine interference conditions.

In the NTN scenario, the satellite is in a mobile state. For the receiving end, the interference measurement pilot changes with time. In the embodiment of the present application, the receiving end (first device) can determine the pilot associated with the current time information (first time period) or the associated transmitting end position information (first position), and perform interference measurement based on the pilot, thereby avoiding invalid measurements by the receiving end and saving measurement overhead.

In combination with the first aspect, in certain implementations of the first aspect, at least one second pilot configuration is received from a second device, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; the first pilot configuration is determined based on the at least one second pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

Based on the above technical solution, the measurement pilot can be bound to the satellite, and the transmitting end can configure multiple interference measurement pilot configurations associated with different activation times to the receiving end. The receiving end determines the pilot with measurement based on the time information, thereby reducing unnecessary measurements, reducing the overhead of invalid measurements, and reducing the overhead of configuration updates.

In combination with the first aspect, in some implementations of the first aspect, determining the first pilot configuration based on the at least one second pilot configuration includes: determining the first pilot configuration based on an activation time period corresponding to each second pilot configuration.

In combination with the first aspect, in some implementations of the first aspect, the first pilot configuration is received from a second device, and the first position corresponding to the first pilot configuration is a geographical location where the second device is located when sending the first pilot configuration.

Based on this technical solution, the first device can receive the pilot configuration to be measured from the second device, so that the receiving end (the first device) can identify the source of interference.

In combination with the first aspect, in certain implementations of the first aspect, the first pilot configuration is determined by the second device from at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, and each third pilot configuration is associated with at least one third device.

Based on the above technical solution, the measurement pilot can be bound to the spatial position, enabling the transmitter to send different measurement pilots in different areas and different service directions. The transmitter can configure the interference measurement pilot configuration associated with the current position to the receiver. The receiver performs interference pilot measurement based on the configuration, which makes it easier for the receiver to identify the source of interference, reduce the overhead of invalid measurements, and reduce the overhead of configuration updates.

In combination with the first aspect, in certain implementations of the first aspect, interference detection is performed based on the first pilot configuration to obtain a first value; when the first value is higher than a first threshold, an identifier of the third device associated with the first pilot configuration is sent to the second device or the core network device, and interference occurs between the third device and the second device.

Based on this technical solution, the first device can perform interference measurement based on the determined first pilot configuration, and report the interference measurement result to the second device or the core network device.

In combination with the first aspect, in some implementations of the first aspect, performing interference detection based on the first pilot configuration to obtain a first value includes: performing interference detection based on a first angle range associated with the first pilot configuration.

Based on this technical solution, different interference measurement pilots are activated using an angle range to adapt to scenarios where the receiving end has strong directionality, reduce unnecessary measurements in a given direction, and facilitate accurate feedback, thereby increasing the multiplexing rate of the interference measurement pilot and improving the efficiency of the pilot measurement.

In combination with the first aspect, in some implementations of the first aspect, the first angle range associated with the first pilot configuration is received, and the first angle range is used to indicate a receiving or sending direction of a pilot corresponding to the first pilot configuration.

In combination with the first aspect, in certain implementations of the first aspect, the first angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the first angle range is the angle range indicated by a reference direction of the first device and an angular range relative to the reference direction.

In combination with the first aspect, in some implementations of the first aspect, the first device is an access network device or a terminal device.

In combination with the first aspect, in some implementations of the first aspect, the second device is a satellite or an access network device on a satellite.

In a second aspect, an NTN communication method is provided. The method may be executed by a second device, or may be executed by a chip or circuit configured in the second device, which is not limited in the present application.

The method includes: determining at least one second pilot configuration, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; sending the at least one second pilot configuration to a first device, each second pilot configuration in the at least one second pilot configuration is used for the first device to perform interference detection in the corresponding activation time period.

The description of the first device and the second device can refer to the first aspect and will not be repeated here.

In the NTN scenario, the satellite is in a mobile state. For the receiving end, the interference measurement pilot changes with time. In the embodiment of the present application, the transmitting end (the second device) can configure a plurality of interference measurement pilot configurations corresponding to different activation times to the receiving end (the first device), so that the receiving end can determine the pilot to be detected based on the current time information, which is beneficial for the receiving end to perform effective measurement, save measurement overhead, and improve measurement efficiency.

In combination with the second aspect, in some implementations of the second aspect, an identifier of a third device is received, the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

In this technical solution, the second device receives the interference measurement result of the first device, which specifically includes the measured identification of the third device that interferes with the second device.

In combination with the second aspect, in certain implementations of the second aspect, an angle range associated with each second pilot configuration in the at least one second pilot configuration is sent, and the angle range associated with each second pilot configuration is used to indicate the reception or transmission direction of the pilot corresponding to each second pilot configuration, and the first angle range is the angle range associated with the first pilot configuration.

In this technical solution, the second device not only configures multiple interference measurement pilot configurations corresponding to different activation times to the first device, but also configures the angle range associated with each pilot configuration, and uses the angle range to activate different interference measurement pilots to adapt to scenarios where the receiving end has strong directionality, reduce unnecessary measurements in a given direction, and facilitate accurate feedback, improve the multiplexing rate of the interference measurement pilot, and improve the efficiency of the pilot measurement.

In combination with the second aspect, in certain implementations of the second aspect, the angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the angle range is the angle range indicated by a reference direction of the first device and an angular range relative to the reference direction.

In combination with the second aspect, in some implementations of the second aspect, the first device is an access network device or a terminal device.

In combination with the second aspect, in some implementations of the second aspect, the second device is a satellite or an access network device on a satellite.

In a third aspect, an NTN communication method is provided. The method may be executed by a third device, or may be executed by a chip or circuit configured in the third device, which is not limited in the present application.

The method includes: determining a first pilot configuration based on at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, each third pilot configuration is associated with at least one third device, and the first pilot configuration is a pilot configuration corresponding to the first position; sending the first pilot configuration.

The description of the first device and the second device can refer to the first aspect and will not be repeated here.

In the NTN scenario, the satellite is in a mobile state. For the receiving end, the interference measurement pilot changes with time. In the embodiment of the present application, the transmitting end (the second device) can send the interference measurement pilot configuration corresponding to the geographical location to the receiving end (the first device). The receiving end performs interference measurement based on the configured pilot, which makes it easier for the receiving end to identify the source of interference, reduce the overhead of invalid measurements, and reduce the overhead of configuration updates.

In combination with the third aspect, in certain implementations of the third aspect, determining the first pilot configuration based on at least one third pilot configuration includes: determining the first pilot configuration based on different positions corresponding to each third pilot configuration in the at least one third pilot configuration, the first position corresponding to the first pilot configuration being the geographical location where the second device sends the first pilot configuration.

In this technical solution, the measurement pilot can be bound to the spatial position, so that the transmitting end can use different measurement pilots to send in different areas and different service directions. The transmitting end can configure the interference measurement pilot configuration associated with the current position to the receiving end.

In combination with the third aspect, in some implementations of the third aspect, an identifier of a third device is received, the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one third pilot configuration.

In this technical solution, the second device receives the interference measurement result of the first device, which specifically includes the measured identification of the third device that interferes with the second device.

In combination with the third aspect, in certain implementations of the third aspect, a first angle range associated with the first pilot configuration is sent, and the first angle range is used to indicate a receiving or sending direction of a pilot corresponding to the first pilot configuration.

In this technical solution, the second device not only configures multiple interference measurement pilot configurations corresponding to different activation times to the first device, but also configures the angle range associated with each pilot configuration, and uses the angle range to activate different interference measurement pilots to adapt to scenarios where the receiving end has strong directionality, reduce unnecessary measurements in a given direction, and facilitate accurate feedback, improve the multiplexing rate of the interference measurement pilot, and improve the efficiency of the pilot measurement.

In combination with the third aspect, in certain implementations of the third aspect, the first angle range is the angle range of the zenith angle and the azimuth angle indicated by the local coordinate system of the first device; or, the first angle range is the angle range indicated by a reference direction of the first device and an angular range relative to the reference direction.

In combination with the third aspect, in some implementations of the third aspect, the first device is an access network device or a terminal device.

In combination with the third aspect, in certain implementations of the third aspect, the second device is a satellite or an access network device on a satellite.

In a fourth aspect, an NTN communication device is provided. The device may be a first device, or may be a chip or circuit configured in the first device, which is not limited in the present application.

The device includes: a processing unit, used to determine a first pilot configuration, the first pilot configuration corresponds to a first time period, the first time period is a time period for activating the first pilot configuration, or the first pilot configuration corresponds to a first position, the first position is a geographical location where the first pilot configuration is sent; the processing unit is also used to perform interference detection based on the first pilot configuration.

In combination with the fourth aspect, in certain implementations of the fourth aspect, the transceiver unit is used to receive at least one second pilot configuration from a second device, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; the processing unit is also used to determine the first pilot configuration based on the at least one second pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

In combination with the fourth aspect, in certain implementations of the fourth aspect, the processing unit is further used to determine the first pilot configuration according to an activation time period corresponding to each second pilot configuration.

In combination with the fourth aspect, in certain implementations of the fourth aspect, the transceiver unit is further used to receive the first pilot configuration from a second device, and the first position corresponding to the first pilot configuration is the geographical location where the second device is located when sending the first pilot configuration.

In combination with the fourth aspect, in certain implementations of the fourth aspect, the first pilot configuration is determined by the second device from at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, and each third pilot configuration is associated with at least one third device.

In combination with the fourth aspect, in certain implementations of the fourth aspect, the processing unit is further used to perform interference detection based on the first pilot configuration to obtain a first value; when the first value is higher than a first threshold, the transceiver unit is further used to send an identifier of the third device associated with the first pilot configuration to the second device or the core network device, and interference occurs between the third device and the second device.

In combination with the fourth aspect, in certain implementations of the fourth aspect, the processing unit is further used to perform interference detection based on a first angle range associated with the first pilot configuration.

In combination with the fourth aspect, in certain implementations of the fourth aspect, the transceiver unit is further used to receive the first angle range associated with the first pilot configuration, and the first angle range is used to indicate a receiving or sending direction of the pilot corresponding to the first pilot configuration.

In combination with the fourth aspect, in certain implementations of the fourth aspect, the first angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the first angle range is the angle range indicated by the reference direction of the first device and the angular range relative to the reference direction.

In combination with the fourth aspect, in some implementations of the fourth aspect, the first device is an access network device or a terminal device.

In combination with the fourth aspect, in certain implementations of the fourth aspect, the second device is a satellite or an access network device on a satellite.

In a fifth aspect, an NTN communication device is provided. The device may be a second device, or may be a chip or circuit configured in the second device, which is not limited in the present application.

The device includes: a processing unit, used to determine at least one second pilot configuration, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; a transceiver unit, used to send the at least one second pilot configuration to a first device, each second pilot configuration in the at least one second pilot configuration is used for the first device to perform interference detection in the corresponding activation time period.

In combination with the fifth aspect, in certain implementations of the fifth aspect, the transceiver unit is further used to receive an identifier of a third device, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

In combination with the fifth aspect, in certain implementations of the fifth aspect, the transceiver unit is also used to send the angle range associated with each second pilot configuration in the at least one second pilot configuration, and the angle range associated with each second pilot configuration is used to indicate the receiving or sending direction of the pilot corresponding to each second pilot configuration, and the first angle range is the angle range associated with the first pilot configuration.

In combination with the fifth aspect, in certain implementations of the fifth aspect, the angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the angle range is the angle range indicated by a reference direction of the first device and an angular range relative to the reference direction.

In combination with the fifth aspect, in certain implementations of the fifth aspect, the first device is an access network device or a terminal device.

In combination with the fifth aspect, in certain implementations of the fifth aspect, the second device is a satellite or an access network device on a satellite.

In a sixth aspect, an NTN communication device is provided. The device may be a third device, or may be a chip or circuit configured in a third device, which is not limited in the present application.

The device includes: a processing unit, used to determine a first pilot configuration based on at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position where the second device is located, each third pilot configuration is associated with at least one third device, and the first pilot configuration is a pilot configuration corresponding to the first position; and a transceiver unit, used to send the first pilot configuration.

In combination with the sixth aspect, in certain implementations of the sixth aspect, the processing unit is also used to determine the first pilot configuration based on the different positions corresponding to each third pilot configuration in the at least one third pilot configuration, and the first position corresponding to the first pilot configuration is the geographical location where the second device sends the first pilot configuration.

In combination with the sixth aspect, in certain implementations of the sixth aspect, the transceiver unit is further used to receive an identifier of a third device, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one third pilot configuration.

In combination with the sixth aspect, in certain implementations of the sixth aspect, the transceiver unit is further used to send a first angle range associated with the first pilot configuration, and the first angle range is used to indicate a receiving or sending direction of the pilot corresponding to the first pilot configuration.

In combination with the sixth aspect, in certain implementations of the sixth aspect, the first angle range is the angle range of the zenith angle and the azimuth angle indicated by the local coordinate system of the first device; or, the first angle range is the angle range indicated by a reference direction of the first device and an angular range relative to the reference direction.

In combination with the sixth aspect, in certain implementations of the sixth aspect, the first device is an access network device or a terminal device.

In combination with the sixth aspect, in certain implementations of the sixth aspect, the second device is a satellite or an access network device on a satellite.

In a seventh aspect, a communication device is provided, the device being used to execute the method provided in any of the first to third aspects. Specifically, the communication device may include a unit and/or module, such as a processing unit and/or a communication unit, for executing the method provided in any of the above-mentioned implementations of any of the first to third aspects.

In one implementation, the communication device includes a communication unit and a processing unit, the communication unit may be a transceiver, or an input/output interface; the processing unit may be at least one processor. Optionally, the transceiver may be a transceiver circuit. Optionally, the input/output interface may be an input/output circuit.

In another implementation, the communication device is a chip, a chip system or a circuit in a network device. When the communication device is a chip, a chip system or a circuit in a network device, the communication unit may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin or a related circuit on the chip, the chip system or the circuit; the processing unit may be at least one processor, a processing circuit or a logic circuit.

In an eighth aspect, a communication device is provided, comprising a processor and, optionally, a memory, wherein the processor is used to control a transceiver to send and receive signals, the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that the sending device executes a method in any possible implementation of any aspect from the first to the third aspect above.

Optionally, the processor is one or more and the memory is one or more.

Optionally, the memory may be integrated with the processor, or the memory may be provided separately from the processor.

Optionally, the network device further includes a transceiver, which may specifically be a transmitter (transmitter) and a receiver (receiver).

In the ninth aspect, a computer-readable storage medium is provided, which stores a computer program or code. When the computer program or code is run on a computer, the computer executes a method in any possible implementation of any aspect from the first to the third aspect.

In the tenth aspect, a chip is provided, comprising at least one processor, wherein the at least one processor is coupled to a memory, the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a sending device equipped with the chip system executes a method in any possible implementation of any aspect from the first to the third aspect above.

The chip may include an input circuit or interface for sending information or data, and an output circuit or interface for receiving information or data.

In the eleventh aspect, a computer program product is provided, which includes: a computer program code, which, when the computer program code is executed by a sending device, executes a method in any possible implementation of any aspect of the first to third aspects above.

The beneficial effects of the fourth to eleventh aspects can refer to the beneficial effects of the first to third aspects and will not be elaborated on again.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of an architecture 100 of a communication system applicable to an embodiment of the present application.

FIG. 2 is a schematic diagram of an architecture 200 of a communication system applicable to an embodiment of the present application.

FIG. 3 is a schematic diagram of an architecture 300 of a communication system applicable to an embodiment of the present application.

FIG. 4 is a schematic diagram of an architecture 400 of a communication system applicable to an embodiment of the present application.

FIG. 5 is a schematic diagram of an architecture 500 of a communication system applicable to an embodiment of the present application.

FIG6 is a schematic diagram of a communication system coexistence scenario applicable to an embodiment of the present application.

FIG. 7 is a schematic flow chart of an NTN communication method 700 applicable to an embodiment of the present application.

FIG8 is a schematic flow chart of an NTN communication method 800 applicable to an embodiment of the present application.

FIG. 9 is a schematic flow chart of an NTN communication method 900 applicable to an embodiment of the present application.

FIG. 10 is a structural block diagram of a communication device applicable to an embodiment of the present application.

FIG. 11 is a structural block diagram of a communication device applicable to an embodiment of the present application.

DETAILED DESCRIPTION

The technical solution in this application will be described below in conjunction with the accompanying drawings.

The technical solution provided in this application can be applied to various communication systems, such as: the fifth generation (5th generation, 5G) or new radio (new radio, NR) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, etc. The technical solution provided in this application can also be applied to future communication systems. The technical solution provided in this application can also be applied to device to device (D2D) communication, vehicle-to-everything (V2X) communication, machine to machine (M2M) communication, machine type communication (machine type communication, MTC), and Internet of things (IoT) communication system or other communication systems.

The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

First, a communication system applicable to the present application is briefly introduced as follows.

FIG1 is a schematic diagram of an architecture 100 of a communication system applicable to an embodiment of the present application. As shown in FIG1 , a ground mobile terminal UE accesses the network through a 5G new air interface, and a 5G access network device is deployed on a satellite and connected to a core network on the ground through a wireless link. At the same time, there is a wireless link between satellites to complete the signaling interaction and user data transmission between access network devices. The various network elements in FIG1 and their interfaces are described as follows:

Terminal device: A mobile device that supports the 5G new air interface, typically a mobile phone, pad, etc. It can access the satellite network through the air interface and initiate calls, surf the Internet, and other services.

5G access network equipment: mainly provides wireless access services, dispatches wireless resources to access terminals, provides reliable wireless transmission protocols and data encryption protocols, such as base stations.

5G core network: user access control, mobility management, session management, user security authentication, billing and other services. It consists of multiple functional units, which can be divided into functional entities of control plane and data plane. Access and mobility management unit (AMF) is responsible for user access management, security authentication, and mobility management. User plane unit (UPF) is responsible for managing the transmission of user plane data, traffic statistics and other functions.

Ground station: responsible for forwarding signaling and business data between satellite access network equipment and 5G core network.

5G New Air Interface: The wireless link between the terminal and access network equipment.

Xn interface: The interface between 5G access network equipment and access network equipment, mainly used for signaling interaction such as switching.

NG interface: The interface between 5G access network equipment and 5G core network, which mainly interacts with high-level signaling of the core network (non access stratum, NAS) and other signaling, as well as user business data.

In non terrestrial networks (NTN), a variety of NTN-RAN architectures are defined. The following is an example of the RAN architecture applicable to NTN.

FIG2 is a schematic diagram of an architecture 200 of a communication system applicable to an embodiment of the present application. The architecture shown in FIG2 is named as a transparent satellite RAN architecture (RAN architecture with transparent satellite). As shown in FIG2, in a transparent transmission scenario, the role of the satellite is to achieve frequency conversion and wireless frequency amplification, which is equivalent to an analog RF repeater. Therefore, the satellite copies the NR Uu wireless interface signal from the feeder link (between the NTN gateway and the satellite) to the service link (between the satellite and the UE), and vice versa. The satellite radio interface (satellite radio interface, SRI) on the feeder link transmits the NR-Uu interface signal, that is, the satellite does not terminate the NR Uu interface signal, but copies the signal. The NTN gateway supports all necessary functions for forwarding NR-Uu interface signals. Different transmission satellites can be connected to the same ground gNB.

FIG3 is a schematic diagram of another architecture 300 of a communication system applicable to an embodiment of the present application. The name of the architecture shown in FIG3 is regenerative satellite without ISL (inter-satellite link). In this architecture, the satellite acts as a base station to realize the regeneration of signals received from the ground, that is, the service link between the UE and the satellite transmits the NR-Uu wireless interface signal, and the feeder link between the NTN gateway and the satellite transmits the satellite wireless interface (SRI) signal. The SRI interface is a transmission link between the NTN gateway and the satellite. The NG interface signal is transmitted to the NTN gateway through the SRI interface, and then forwarded by the NTN gateway and transmitted to the core network equipment on the ground. The process of transmitting the NG interface signal from the ground core network equipment to the satellite base station is similar and will not be repeated here.

FIG4 is a schematic diagram of another architecture 400 of a communication system applicable to an embodiment of the present application. The name of the architecture shown in FIG4 is a regenerative satellite with an intersatellite link (ISL). In this scenario, the satellite also acts as a base station. The difference from the previous scenario is that there is an ISL in this scenario. ISL is an inter-satellite transmission link. As shown in the above figure, a UE served by an on-board base station can access the 5G core network through the ISL. Base stations on different satellites can be connected to the same terrestrial 5G core network.

FIG5 is a schematic diagram of another architecture 500 of a communication system applicable to an embodiment of the present application. The architecture shown in FIG5 is named NG-RAN with a regenerative satellite based on gNB-DU. In this scenario, the CU and DU of the base station are separated. The satellite is on the satellite as the DU of the base station. The satellite realizes the regeneration of the signal received from the ground, that is, the service link between the UE and the satellite transmits the NR-Uu wireless interface signal, and the feeder link between the NTN gateway and the satellite transmits the satellite radio interface (SRI) signal. The satellite radio interface is a transmission link that can transmit the logical interface F1 signal of the 3GPP standard. On the satellite radio interface, the F1 protocol signal is transmitted. The satellite can provide an inter-satellite link ISL between satellites. The NTN gateway is a transmission network layer node and supports all necessary transmission protocols. DUs on different satellites can be connected to the same ground CU.

It should be noted that the above RAN architecture is only an exemplary description and may also be used in other NTN architectures, or 4G, 5G, and future wireless network architectures. The embodiments of the present application are not limited to this.

At present, we have noticed that satellite equipment is limited by manufacturing and launch costs, and the onboard data processing capabilities and transmission power are limited. At present, satellite communication networks cannot provide UEs with communication rates comparable to terrestrial communication networks. In order to break through this limitation and improve the overall signal processing capabilities and communication throughput of satellite networks, satellite operators are preparing to launch giant low-orbit constellations, that is, to compensate for the limitations of the communication capabilities of a single satellite by increasing the number of satellites. In the future NTN communication system, after the UE accesses the system, the UE can be "visible" to multiple satellites that can communicate for a period of time. At this time, multiple satellites can provide communication services to the UE, which provides the basic conditions for multi-satellite collaborative transmission.

In the multi-satellite collaborative transmission scenario, multiple communication systems coexist. For example, there are coexistence technologies of inter-satellite communication systems (hereinafter referred to as satellite systems) and satellite and cellular network communication systems (hereinafter referred to as satellite-to-ground systems). That is, two or more systems use the same spectrum under the premise that interference is acceptable.

Referring to Figure 6, as an example, Figure 6 shows a schematic diagram of a communication system coexistence scenario. As shown in Figure 6, a satellite cell of a star system can communicate with a satellite, and a cellular cell of a satellite-to-ground system can also communicate with the satellite.

Exemplarily, in order to achieve coexistence of two communication systems, a spatial isolation approach may be adopted.

Specifically, multiple systems in the low-frequency band are spatially isolated through "electronic fences". Different systems use (part of) the same frequency band when deployed, maintain sufficient geographical isolation, and achieve limited co-frequency coexistence. As shown in Figure 6, satellite cells and cellular cells can be distributed at a sufficiently far distance, where the signal strength of the signal transmitted by the cellular ground device is low enough after passing through the "electronic fence" to the ground device of the satellite system, and does not produce a significant impact. Vice versa. At the same time, after the cellular device signal reaches the satellite of the satellite system, the signal is attenuated and enters the side lobe of the satellite, and the received signal strength is also low enough, and also does not produce a significant impact. Vice versa.

Exemplarily, in order to achieve coexistence of two communication systems, an angle isolation method may also be adopted.

Specifically, the high-frequency band transmission and reception can generate strong directional beams, and multiple systems can achieve co-existence at the same frequency in the same location by generating narrow beams with angular isolation. For example, the transmission and reception beams of the cellular system are in the "lower right" and "upper left" directions, and the transmission and reception beams of the satellite system are in the "lower left" and "upper right" directions. Because there is enough angular isolation between the beam directions of the two systems, the beam signals of the two systems only enter the side lobes of each other, so the strength of the received interference signal is low enough and does not have a significant impact.

The aforementioned coexistence mechanism based on planning and design assumes that the satellite orbit, beam pointing, antenna pattern and other information are fully known. On this basis, the satellite serviceable area, angle range and orbit range are designed. There is a risk of failure in the actual operation process. Specifically, the actual system will require some flexibility. For example, after the satellite is launched, the antenna pattern may undergo uncontrollable changes due to changes in hardware status, resulting in inconsistency between actual interference and planning, which requires adjustment. The pre-planned scheme may need to be adjusted in practice due to redundancy or residual interference. The interference emitted by the satellite needs to be detected during the planning and adjustment process.

In a cellular network, the presence of interference can be determined by detecting the remote interference management reference signal (RIM-RS) transmitted by the transmitter at the receiving end. For example, two base stations with potential interference risk send an agreed RIM-RS, where the time-frequency code configuration of the RIM-RS is associated with the Set ID, and a Set ID labels one or more nearby BSs (RIM-RS<->Set ID<->BS). The receiving BS detects the agreed RIM-RS. If the energy detected is higher than the threshold, it means that there is interference between this BS and the BS with the Set ID associated with the RIM-RS.

In the scenario where the satellite-ground system and the satellite-star system coexist, the movement of satellites causes the disturbing end and the disturbed end to change dynamically, leading to the problem of redundant measurements or frequent configuration updates.

In view of this, an embodiment of the present application provides a communication solution, which enables a receiving end to select a measurement pilot based on different trigger conditions by associating an interference measurement pilot configuration with different trigger conditions, thereby reducing the pilot measurement overhead and improving the interference measurement efficiency.

The communication method provided by the embodiment of the present application will be described in detail below in conjunction with the accompanying drawings. The embodiment provided by the present application can be applied to the communication system shown in Figures 1 to 5 above, without limitation.

The solution of this application is described in detail below.

FIG7 is a schematic flow chart of an NTN communication method provided in an embodiment of the present application. For ease of description, the method 700 is exemplarily described below with the execution subject being a first device (receiving end). It can be understood that the first device can be a component of the first device (such as a chip or circuit), without limitation.

In an embodiment of the present application, the first device serves as a receiving device, and the first device may include a terminal device or an access network device, which is not limited in the present application.

In the embodiment of the present application, the second device serves as a sending device, and the second device may include a satellite or an access network device deployed on a satellite.

In an embodiment of the present application, the core network device may be an operation and maintenance module (OAM).

In the present application, the first device can be used as a device in a cellular cell in a satellite-to-ground system, and the second device can be used as a device in a satellite cell in a star-to-ground system. The first device and the second device can send and detect pilot signals to each other to determine interference conditions.

The method 700 shown in FIG. 7 may include the following steps.

S710. A first device determines a first pilot configuration.

In the present application, the first pilot configuration includes video code resources for interference detection, and interference measurement can be performed based on the first pilot configuration.

In one implementation, the first pilot configuration corresponds to a first time period.

The first time period is a time period in which the first device activates the first pilot configuration. In other words, the first time period is a time period in which the first device performs interference detection based on the first pilot configuration, which can also be said to be an effective time period of the first pilot configuration.

It can be understood that in the NTN scenario, the satellite is in a mobile state. For the first device, the satellite serving the terminal will change over time, and the interference measurement pilot will change accordingly. That is to say, at different times, the first device needs to detect different pilots.

In the present application, the first pilot configuration is associated with the activation time (first time period), and interference measurement is performed at the corresponding activation time.

In the present application, the first pilot configuration corresponds to the first time period, or it can be said that the first pilot configuration is associated with the first time period, or the first pilot configuration has a corresponding relationship or an associated relationship with the first time period, which can all describe activating the first pilot configuration or performing interference detection in the first time period. Such descriptions can be equivalently replaced, and the embodiments of the present application are not limited to this.

It can be understood that the time period is only a kind of description of time information, and can actually be replaced by a similar description. For example, the first pilot configuration corresponds to the first activation time, and the first activation time is the start time of the interference detection. The detection duration can be preconfigured or defaulted to a fixed duration; for another example, the first pilot configuration corresponds to the first activation time and the first deactivation time, and the first deactivation time is used to specify the measurement cutoff time. Such descriptions are equivalent replacements, and the comparison of the embodiments of the present application is not limited. In the embodiments of the present application, the time period is used as an example for description.

The following describes in detail how to determine the first pilot configuration associated with the first time period.

In a possible implementation, the first device receives at least one second pilot configuration from the second device, and determines the first pilot configuration according to the at least one second pilot configuration.

Correspondingly, the second device sends the at least one second pilot configuration to the first device.

The first pilot configuration is one of the at least one second pilot configuration.

Each of the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device.

In the present application, the second pilot configuration includes time-frequency code resources for interference detection, and interference measurement can be performed in different time periods based on the second pilot configuration corresponding to different activation time periods.

In the present application, each second pilot configuration is associated with one or more third devices.

The third device may include at least one device, and the third device may be a satellite or an access network device on a satellite.

It can be understood that if the satellite changes, the pilot configuration may also change, and different pilot configurations are associated with different satellites.

It can be understood that in the NTN scenario, at different times, the first device needs to detect different pilots, and different pilots are associated with different satellites.

In an optional understanding, the second device may send a plurality of pilot configurations (second pilot configurations) corresponding to different activation times to the first device, and the first device determines the pilot configuration (first pilot configuration) to be detected according to the time information.

The first device determines the second pilot configuration corresponding to the current time period according to an activation time period corresponding to each second pilot configuration, and the second pilot configuration is the first pilot configuration.

In the embodiment of the present application, the second device may obtain the at least one second pilot configuration through OAM.

It can be understood that the measurement pilot can be bound to the satellite, and the transmitting end can configure multiple interference measurement pilot configurations associated with different activation times to the receiving end. The receiving end determines the pilot with measurement based on the time information, thereby reducing unnecessary measurements, reducing the overhead of invalid measurements, and reducing the overhead of configuration updates.

In another implementation, the first pilot configuration corresponds to the first position.

The first position is the geographical location where the second device sends the first pilot configuration. In other words, when the second device enters the first position, the second device sends the first pilot configuration. In other words, the first position is the activation position or effective position of the first pilot configuration.

It can be understood that in the NTN scenario, the satellite is in a mobile state. For the satellite, when it moves to different geographical locations, the interference measurement pilot sent will also be different. That is to say, for the same satellite, the pilots sent at different geographical locations are different, and the first device needs to detect different pilots.

In the present application, the first pilot configuration is associated with a location (first location) where the pilot is sent, and the first pilot configuration is sent at a corresponding geographical location.

In the present application, the first pilot configuration corresponds to the first position, or it can be said that the first pilot configuration is associated with the first position, or the first pilot configuration has a corresponding relationship or an associated relationship with the first position, which can all describe sending an interference measurement pilot at the first position. Such descriptions can be equivalently replaced, and the embodiments of the present application are not limited to this.

It can be understood that the first position is only a description of the location information, and can actually be replaced by a similar description, for example, the first pilot configuration corresponds to the first spatial position; another example, the first pilot configuration corresponds to the first geographical location; another example, the first pilot configuration corresponds to the first area. Such descriptions are equivalent replacements, and the comparison of the embodiments of the present application is not limited. In the embodiments of the present application, the first position is used as an example for description.

The following describes in detail how to determine the first pilot configuration associated with the first position.

In a possible implementation, the first device receives a first pilot configuration from the second device.

Correspondingly, the second device sends the first pilot configuration to the first device.

The second device obtains at least one third pilot configuration through OAM.

Each of the at least one third pilot configuration corresponds to a different position of the second device, and each third pilot configuration is associated with at least one third device.

In the present application, the third pilot configuration includes time-frequency code resources for interference detection, and interference measurement can be performed based on the third pilot configuration corresponding to different geographical locations.

In the present application, each third pilot configuration is associated with one or more third devices.

The third device may include at least one device, and the third device may be a satellite or an access network device on a satellite.

It can be understood that if the satellite position changes, the pilot configuration may also change, and different pilot configurations are associated with different satellites.

It can be understood that in the NTN scenario, the satellite is in motion. At different times, the spatial position of the satellite is different, the interference measurement pilot sent is different, the pilots that the first device needs to detect are different, and different pilots are associated with different satellites.

An optional understanding is that the second device obtains multiple pilot configurations corresponding to different positions (third pilot configurations) through OAM, and the second device determines the pilot configuration to be detected (first pilot configuration) according to the current position.

The second device determines the third pilot configuration corresponding to the current location according to a location corresponding to each third pilot configuration, and the third pilot configuration is the first pilot configuration.

In a possible implementation, the second device may also send a first angle range associated with the first pilot configuration to the first device.

The first angle range is used to indicate a receiving or sending direction of a pilot corresponding to the first pilot configuration.

It can be understood that the first angle range may be an angle region for sending or receiving pilot signals. By receiving pilot signals based on the angle region, the number of pilot signals to be detected may be reduced and the multiplexing rate of the pilot signals may be increased.

Exemplarily, the first angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device, wherein the zenith angle of 0° points to the direction of a line connecting the center of the earth and the terminal position or a reference position away from the center of the earth, and the azimuth angle of 0° points from the terminal position or a reference position to the North Pole.

Exemplarily, the first angle range is an angle range indicated by a reference direction (zenith angle and azimuth angle) of the first device and an angular range with respect to the reference direction.

Exemplarily, the first angle range is the position of the satellite and the angular range with respect to the reference direction, and the terminal calculates the reference direction using its own position and the satellite position.

It can be understood that the measurement pilot can be bound to the spatial position, enabling the transmitter to use different measurement pilots in different areas and different service directions. The transmitter can configure the interference measurement pilot configuration associated with the current position to the receiver. The receiver performs interference pilot measurement based on the configuration, which makes it easier for the receiver to identify the source of interference, reduce the overhead of invalid measurements, and reduce the overhead of configuration updates.

In the present application, when the first pilot configuration corresponds to the first time period, the second device may send the angle range corresponding to each second pilot configuration in at least one second pilot configuration to the first device. Accordingly, the first device may determine the corresponding second pilot configuration (first pilot configuration) and the corresponding angle range (first angle range) according to the time information, and perform interference pilot measurement based on the angle range at the corresponding time.

In an embodiment of the present application, the second pilot configuration, the time period and the angle range corresponding to the second pilot configuration may be sent through the same configuration information or through different information, and the embodiment of the present application is not limited to this.

In the present application, when the first pilot configuration corresponds to the first position, the second device may send a first angle range corresponding to the first pilot configuration to the first device.

In an embodiment of the present application, the third pilot configuration, the position information corresponding to the third pilot configuration, and the angle range may be sent through the same configuration information or through different information, and the embodiment of the present application is not limited to this.

S720: Perform interference detection based on the first pilot configuration.

The first device performs interference detection based on the first pilot configuration to obtain a first value. When the first value is higher than a first threshold, the first device may send an identifier of a third device associated with the first pilot configuration to the second device or OAM to indicate interference occurs between the third device and the second device.

It can be understood that when the first device is a terminal device, the first device sends the identifier of the third device associated with the first pilot configuration to the second device.

In a possible implementation, the first device may perform interference measurement based on a first angle range associated with the first pilot configuration.

It can be understood that using an angle range to activate different interference measurement pilots can adapt to scenarios where the receiving end has strong directionality, reduce unnecessary measurements in a given direction, and facilitate accurate feedback, thereby increasing the multiplexing rate of the interference measurement pilots and improving the efficiency of the pilot measurements.

In the NTN scenario, the satellite is in a mobile state. For the receiving end, the interference measurement pilot changes with time. In the embodiment of the present application, the receiving end (first device) can determine the pilot associated with the current time information (first time period) or the associated transmitting end position information (first position), and perform interference measurement based on the pilot, thereby avoiding invalid measurements by the receiving end and saving measurement overhead.

Next, different implementation modes are described in detail.

First, the scheme of binding pilot configuration and activation time is described.

FIG8 is a schematic flow chart of a communication method provided in an embodiment of the present application. For ease of description, method 800 is exemplarily described below by taking the interaction between a first access network device and a second access network device as an example. It can be understood that the first access network device can be a component (such as a chip or circuit) of the first access network device, and the second access network device can be a component (such as a chip or circuit) of the second access network device, without limitation.

The first access network device may be an access network device of a satellite system, and the second access network device may be an access network device of a cellular system.

In the present application, the first access network device is taken as an example of a transmitting end, and the second access network device is taken as an example of a receiving end.

In this application, the core network device takes OAM as an example, and OAM serves as an operation and maintenance module.

The method 800 shown in FIG. 8 may include the following steps.

S810. OAM sends first configuration information to the first access network device.

The first configuration information includes the pilot resources associated with the first access network device and the corresponding activation time period.

The pilot resource of the first access network device is used to indicate the time-frequency code resource of the interference detection pilot of the first access network device.

The activation time period corresponding to the pilot resource of the first access network device is used to indicate the time period for the receiving end (the second access network device) to measure the interference detection pilot.

The first configuration information also includes at least one pilot configuration and an activation time period corresponding to each pilot configuration.

It can be understood that as time changes, the satellite moves, the position of the satellite changes, the satellite serving the terminal changes, and accordingly, the corresponding interference measurement pilot will also change.

Therefore, it can be understood that in different time periods, the receiving end (second access network device) performs interference measurement based on different interference measurement pilots.

Each pilot configuration in the at least one pilot configuration includes a time-frequency code resource of an interference measurement pilot and an identifier of an associated third device.

The third device may be a satellite adjacent to the current serving satellite or an access network device on a satellite.

The third device may include one or more devices, which is not limited in this embodiment of the present application.

Exemplarily, the following Table 1 shows the association between the pilot configuration and the activation time period.

Table 1

As shown in Table 1 above, pilot configuration #1 is associated with satellite #1, and the corresponding activation time period is t0~t1; pilot configuration #2 is associated with satellite #2, and the corresponding activation time period is t1~t2; pilot configuration #3 is associated with satellite #3, and the corresponding activation time period is t2~t3.

It should be understood that the interference measurement pilots corresponding to different satellites may be the same. In other words, one pilot configuration may be associated with multiple satellites, which is not limited in this embodiment of the present application.

The above table is only an example and does not limit the embodiments of the present application.

Optionally, the first configuration information also includes an angle range corresponding to each pilot configuration in at least one pilot configuration, where the angle range is used to indicate a receiving or sending direction of a pilot corresponding to the pilot configuration.

S820. The first access network device sends second configuration information to the second access network device.

The second configuration information includes the pilot resources associated with the first access network device and the corresponding activation time period, at least one pilot configuration and the corresponding activation time period.

Specifically, the first access network device sends multiple pilot configurations and corresponding activation time periods to the second access network device.

Optionally, the second configuration information may also include multiple pilot configurations and corresponding angle ranges.

S830: The second access network device performs interference measurement based on the second configuration information.

The second access device can determine the pilot that needs to be detected currently based on the time information (activation time period) in the second configuration information. In other words, the second access device determines which activation time period it is in based on the current time information, thereby determining the corresponding pilot configuration.

An optional understanding is that the second access network device can determine the current serving satellite and the corresponding interference measurement pilot according to the time information.

The second access network device performs interference detection on the determined pilot signal that needs to be detected. When the measured energy is higher than the first threshold, it can be determined that the second access network device and the third device associated with the measured pilot signal interfere with each other.

Optionally, the second access network device may determine an angle range corresponding to a pilot signal to be detected, and perform interference detection based on the angle range, thereby reducing the number of pilot signals to be detected and increasing the multiplexing rate of the pilot signals.

S840: The second access network device sends the measurement result to the first access network device or the OAM.

The second access network device reports the measurement result to the first access network device or the OAM.

Specifically, the second access network device reports identification information of the third device to the first access network device or the OAM, wherein the third device is a device that interferes with the second access network device.

Optionally, OAM sends angle area information corresponding to the detected pilot to the first access network device.

An optional understanding is that the angle area information includes the transmission angle of the detected pilot, and the transmission angle is used to indicate the transmission direction information of the pilot. Accordingly, for the terminal device, the receiving angle of the pilot can be determined based on the angle area information, that is, the terminal device can determine in which direction to receive the pilot.

It can be understood that in the above steps, the receiving end takes the second access network device as an example, and the receiving end can also be a terminal device. The terminal device determines the pilot to be detected based on the pilot configuration sent by the first access network device, and can send the measurement results to the first access network device after detection.

Based on the above technical solution, the measurement pilot can be bound to the satellite, and the transmitting end can configure multiple interference measurement pilot configurations associated with different activation times to the receiving end. The receiving end determines the pilot with measurement based on the time information, thereby reducing unnecessary measurements, reducing the overhead of invalid measurements, and reducing the overhead of configuration updates. Furthermore, different interference measurement pilots are activated using an angle range to adapt to scenarios where the receiving end has strong directivity, reduce unnecessary measurements in a given direction, and are conducive to accurate feedback, improve the reuse rate of interference measurement pilots, and improve the efficiency of pilot measurement.

Next, a solution for binding pilot configuration with geographic location is described.

FIG9 is a schematic flow chart of a communication method provided in an embodiment of the present application. For ease of description, method 900 is exemplarily described below by taking the interaction between a first access network device and a second access network device as an example. It can be understood that the first access network device can be a component (such as a chip or circuit) of the first access network device, and the second access network device can be a component (such as a chip or circuit) of the second access network device, without limitation.

The first access network device may be an access network device of a satellite system, and the second access network device may be an access network device of a cellular system.

In the present application, the first access network device is taken as an example of a transmitting end, and the second access network device is taken as an example of a receiving end.

In this application, the core network device takes OAM as an example, and OAM serves as an operation and maintenance module.

The method 900 shown in FIG. 9 may include the following steps.

S910. OAM sends third configuration information to the first access network device.

The third configuration information includes at least one pilot configuration associated with the first access network device in different geographical locations.

Among them, at least one pilot configuration associated with the first access network device at different geographical locations is used to indicate the time-frequency code resources of the interference detection pilot sent by the first access network device at different locations.

It can be understood that the first access network device enters different geographical locations at different times and sends different pilot signals, so the geographical location, time information and sent pilot signals of the first access network device have a corresponding relationship.

It can be understood that as time changes, the satellite moves and the position of the satellite changes, and the satellite sends different pilot signals at different positions.

Therefore, it can be understood that in different time periods, or in other words, based on different locations of the transmitting end, the receiving end (the second access network device) performs interference measurement based on different interference measurement pilots.

Each pilot configuration in the at least one pilot configuration includes a time-frequency code resource of an interference measurement pilot and an identifier of an associated third device.

The third device may be a satellite adjacent to the current serving satellite or an access network device on a satellite.

The third device may include one or more devices, which is not limited in this embodiment of the present application.

Exemplarily, the following Table 2 shows the association between the pilot configuration and the geographic location of the originating point.

Table 2

As shown in Table 2 above, pilot configuration #1 is associated with satellite #1, and the corresponding transmitting position is position #1; pilot configuration #2 is associated with satellite #2, and the corresponding transmitting position is position #2; pilot configuration #3 is associated with satellite #3, and the corresponding transmitting position is position #3. That is, different pilot configurations are sent at different transmitting positions.

It should be understood that the interference measurement pilots corresponding to different satellites may be the same. In other words, one pilot configuration may be associated with multiple satellites, which is not limited in this embodiment of the present application.

The above table is only an example and does not limit the embodiments of the present application.

S920. The first access network device sends fourth configuration information to the second access network device.

The fourth configuration information includes a pilot configuration associated with the current geographical location of the first access network device.

Specifically, the first access network device determines a pilot configuration associated with the current geographical location from multiple pilot configurations.

Optionally, the fourth configuration information may further include an angle range corresponding to the pilot configuration associated with the current geographical location.

S930. The second access network device performs interference measurement based on the fourth configuration information.

The second access network device performs interference measurement based on the pilot signal configured by the first access network device.

The second access network device performs interference detection on the configured pilot signal. When the measured energy is higher than the first threshold, it can be determined that the first access network device and the third device associated with the measured pilot signal interfere with each other.

Optionally, the second access network device may perform interference detection based on an angle range, thereby reducing the number of pilot signals to be detected and increasing the multiplexing rate of the pilot signals.

S940: The second access network device sends the measurement result to the first access network device.

The second access network device reports the measurement result to the first access network device or the OAM.

Specifically, the second access network device reports identification information of the third device to the first access network device or the OAM, wherein the third device is a device that interferes with the first access network device.

Optionally, OAM sends angle area information corresponding to the detected pilot to the first access network device.

An optional understanding is that the angle area information includes the transmission angle of the detected pilot, and the transmission angle is used to indicate the transmission direction information of the pilot. Accordingly, for the terminal device, the receiving angle of the pilot can be determined based on the angle area information, that is, the terminal device can determine in which direction to receive the pilot.

It can be understood that in the above steps, the receiving end takes the second access network device as an example, and the receiving end can also be a terminal device. The terminal device performs interference detection according to the pilot configuration sent by the first access network device, and can send the measurement results to the first access network device after detection.

Based on the above technical solution, the measurement pilot can be bound to the spatial position, enabling the transmitter to use different measurement pilots in different areas and different service directions. The transmitter can configure the interference measurement pilot configuration associated with the current position to the receiver, and the receiver performs interference pilot measurement based on the configuration, which is convenient for the receiver to identify the source of interference, reduce the overhead of invalid measurements, and reduce the overhead of configuration updates. Furthermore, different interference measurement pilots are activated using an angle range to adapt to scenarios where the receiver has strong directivity, reduce unnecessary measurements in a given direction, and facilitate accurate feedback, improve the reuse rate of interference measurement pilots, and improve the efficiency of pilot measurement.

It should be understood that other possible implementations of the embodiments of the present application are similar to the above-mentioned methods 800 and 900. Please refer to the descriptions in methods 800 and 900, and they will not be repeated here.

It should be understood that the sequence numbers of the above processes do not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

The above mainly introduces the solution provided by the embodiment of the present application from the perspective of the interaction between various network elements. It can be understood that each network element, such as a transmitting end device or a receiving end device, includes a hardware structure and/or software module corresponding to the execution of each function in order to realize the above functions. Those skilled in the art should be aware that, in combination with the units and algorithm steps of each example described in the embodiments disclosed in this document, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of this application.

The embodiment of the present application can divide the functional modules of the transmitting end device or the receiving end device according to the above method example. For example, each functional module can be divided corresponding to each function, or two or more functions can be integrated into one processing module. The above integrated module can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of modules in the embodiment of the present application is schematic and is only a logical functional division. There may be other division methods in actual implementation. The following is an example of dividing each functional module corresponding to each function.

The method provided by the embodiment of the present application is described in detail above in conjunction with Figures 7 to 9. The device provided by the embodiment of the present application is described in detail below in conjunction with Figures 10 to 11. It should be understood that the description of the device embodiment corresponds to the description of the method embodiment. Therefore, the content not described in detail can be referred to the method embodiment above, and for the sake of brevity, it will not be repeated here.

FIG. 10 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application.

The device 1000 includes a transceiver unit 1010 and a processing unit 1020, wherein the transceiver unit 1010 can be used to implement corresponding communication functions, and the processing unit 1020 can be used to perform data processing.

Optionally, the transceiver unit 1010 may also be referred to as a communication interface or a communication unit, including a sending unit and/or a receiving unit. The transceiver unit 1010 may be a transceiver (including a transmitter and/or a receiver), an input/output interface (including an input and/or output interface), a pin or a circuit, etc. The transceiver unit 1010 may be used to perform the steps of sending and/or receiving in the above method embodiment.

Optionally, the processing unit 1020 may be a processor (may include one or more), a processing circuit with a processor function, etc., and may be used to execute other steps except sending and receiving in the above method embodiment.

Optionally, the device 1000 further includes a storage unit, which may be a memory, an internal storage unit (e.g., a register, a cache, etc.), an external storage unit (e.g., a read-only memory, a random access memory, etc.), etc. The storage unit is used to store instructions, and the processing unit 1020 executes the instructions stored in the storage unit so that the communication device executes the above method.

In one design, the apparatus 1000 may be used to execute the actions executed by the first device in each of the above method embodiments, such as the apparatus 1000 may be used to execute the actions executed by the first device in the above method 700. In this case, the apparatus 1000 may be a component of the first device, the transceiver unit 1010 is used to execute the transceiver-related operations on the first device side in the above method embodiments, and the processing unit 1020 is used to execute the processing-related operations of the first device in the above method embodiments.

For example, processing unit 1020 is used to determine a first pilot configuration, where the first pilot configuration corresponds to a first time period, where the first time period is a time period for activating the first pilot configuration, or where the first pilot configuration corresponds to a first position, where the first position is a geographical location where the first pilot configuration is sent; processing unit 1020 is also used to perform interference detection based on the first pilot configuration.

For another example, the transceiver unit 1010 is used to receive at least one second pilot configuration from a second device, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; the processing unit 1020 is used to determine the first pilot configuration based on the at least one second pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

For another example, the processing unit 1020 is further configured to determine the first pilot configuration according to an activation time period corresponding to each second pilot configuration.

For another example, the transceiver unit 1010 is further configured to receive the first pilot configuration from a second device, and the first position corresponding to the first pilot configuration is a geographical location where the second device is located when sending the first pilot configuration.

For another example, the processing unit 1020 is also used to perform interference detection based on the first pilot configuration to obtain a first value; when the first value is higher than a first threshold, the transceiver unit 1010 is also used to send an identifier of the third device associated with the first pilot configuration to the second device or the core network device, and interference occurs between the third device and the second device.

For another example, the processing unit 1020 is further configured to perform interference detection based on a first angle range associated with the first pilot configuration.

It should be understood that the transceiver unit 1010 and the processing unit 1020 may also perform other operations performed by the first device in the above method 700, which will not be described in detail here.

In one design, the apparatus 1000 may be used to execute the actions executed by the second device in each of the above method embodiments, such as the apparatus 1000 may be used to execute the actions executed by the second device in the above method 700. In this case, the apparatus 1000 may be a component of the second device, the transceiver unit 1010 is used to execute the transceiver-related operations on the second device side in the above method embodiments, and the processing unit 1020 is used to execute the processing-related operations on the second device side in the above method embodiments.

For example, the processing unit 1020 is used to determine at least one second pilot configuration, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; the transceiver unit 1010 is used to send the at least one second pilot configuration to the first device, each second pilot configuration in the at least one second pilot configuration is used for the first device to perform interference detection in the corresponding activation time period.

For another example, the transceiver unit 1010 is further configured to receive an identifier of a third device, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

For another example, the transceiver unit 1010 is also used to send the angle range associated with each second pilot configuration in the at least one second pilot configuration, and the angle range associated with each second pilot configuration is used to indicate the receiving or sending direction of the pilot corresponding to each second pilot configuration, and the first angle range is the angle range associated with the first pilot configuration.

It should be understood that the transceiver unit 1010 and the processing unit 1020 may also perform other operations performed by the second device in the above method 700, which will not be described in detail here.

In one design, the apparatus 1000 may be used to execute the actions executed by the second device in each of the above method embodiments, such as the apparatus 1000 may be used to execute the actions executed by the second device in the above method 700. In this case, the apparatus 1000 may be a component of the second device, the transceiver unit 1010 is used to execute the transceiver-related operations on the second device side in the above method embodiments, and the processing unit 1020 is used to execute the processing-related operations on the second device side in the above method embodiments.

For example, processing unit 1020 is used to determine a first pilot configuration based on at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, each third pilot configuration is associated with at least one third device, and the first pilot configuration is a pilot configuration corresponding to the first position; and send the first pilot configuration.

For example, the processing unit 1020 is also used to determine the first pilot configuration based on at least one third pilot configuration, including: determining the first pilot configuration based on different positions corresponding to each third pilot configuration in the at least one third pilot configuration, the first position corresponding to the first pilot configuration is the geographical location where the second device sends the first pilot configuration.

For another example, the transceiver unit 1010 is further configured to receive an identifier of a third device, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

For another example, the transceiver unit 1010 is further configured to send a first angle range associated with the first pilot configuration, where the first angle range is used to indicate a receiving or sending direction of a pilot corresponding to the first pilot configuration.

It should be understood that the transceiver unit 1010 and the processing unit 1020 may also perform other operations performed by the second device in the above method 700, which will not be described in detail here.

It should also be understood that the device 1000 here is embodied in the form of a functional unit. The term "unit" here may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (such as a shared processor, a dedicated processor or a group processor, etc.) and a memory for executing one or more software or firmware programs, a combined logic circuit and/or other suitable components that support the described functions. In an optional example, those skilled in the art can understand that the device 1000 can be specifically a network device in the above-mentioned embodiments, and can be used to execute the various processes and/or steps corresponding to the network device in the above-mentioned method embodiments. To avoid repetition, it will not be repeated here.

The apparatus 1000 of each of the above-mentioned schemes has the function of implementing the corresponding steps executed by the device in the above-mentioned method, or the apparatus 1000 of each of the above-mentioned schemes has the function of implementing the corresponding steps executed by the network device in the above-mentioned method. The function can be implemented by hardware, or the corresponding software can be implemented by hardware. The hardware or software includes one or more modules corresponding to the above-mentioned functions; for example, the transceiver unit can be replaced by a transceiver (for example, the sending unit in the transceiver unit can be replaced by a transmitter, and the receiving unit in the transceiver unit can be replaced by a receiver), and other units, such as the processing unit, can be replaced by a processor to respectively perform the sending and receiving operations and related processing operations in each method embodiment.

In addition, the transceiver unit 1010 may also be a transceiver circuit (for example, may include a receiving circuit and a sending circuit), and the processing unit may be a processing circuit.

It should be noted that the device in FIG. 10 may be a network element or device in the aforementioned embodiment, or may be a chip or a chip system, such as a system on chip (SoC). The transceiver unit may be an input and output circuit or a communication interface; the processing unit may be a processor or a microprocessor or an integrated circuit integrated on the chip. This is not limited here.

Fig. 11 is a schematic diagram of a communication architecture provided by an embodiment of the present application. The communication device 1100 shown in Fig. 11 includes: a processor 1110 and a transceiver 1120. Optionally, the processor 1110 and the transceiver 1120 may be interconnected via a bus 1130. The communication device 1100 may be a terminal device or a network device.

Optionally, the communication device 1100 may further include a memory 1140. The memory 1140 includes, but is not limited to, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), or a portable read-only memory (CD-ROM), and the memory 1140 is used to store relevant instructions and data.

The processor 1110 is coupled to the memory 1140 and is configured to execute instructions stored in the memory 1140 to control the transceiver 1120 to send signals and/or receive signals.

It should be understood that the processor 1110 and the memory 1140 can be combined into a processing device, and the processor 1110 is used to execute the program code stored in the memory 1140 to implement the above functions. In specific implementation, the memory 1140 can also be integrated into the processor 1110, or independent of the processor 1110. It should be understood that the processor 1110 can also correspond to each processing unit in the above communication device, and the transceiver 1120 can correspond to each receiving unit and sending unit in the above communication device.

It should also be understood that the transceiver 1120 may include a receiver (or receiver) and a transmitter (or transmitter). The transceiver may further include an antenna, and the number of antennas may be one or more. The transceiver may also be a communication interface or interface circuit.

Specifically, the communication device 1100 may correspond to the first device in the method 700 according to the embodiment of the present application. The communication device 1100 may include a unit of the method performed by the first device in the method 700. It should be understood that the specific process of each unit performing the above corresponding steps has been described in detail in the above method embodiment, and for the sake of brevity, it will not be repeated here.

Specifically, the communication device 1100 may correspond to the second device in the method 700 according to the embodiment of the present application. The communication device 1100 may include a unit of the method performed by the second device in the method 700. It should be understood that the specific process of each unit performing the above corresponding steps has been described in detail in the above method embodiment, and for the sake of brevity, it will not be repeated here.

When the communication device 1100 is a chip, the chip includes an interface unit and a processing unit, wherein the interface unit may be an input/output circuit or a communication interface; and the processing unit may be a processor or a microprocessor or an integrated circuit integrated on the chip.

In the implementation process, each step of the above method can be completed by an integrated logic circuit of hardware in a processor or an instruction in the form of software. The steps of the method disclosed in conjunction with the embodiment of the present application can be directly embodied as a hardware processor for execution, or a combination of hardware and software modules in a processor for execution. The software module can be located in a storage medium mature in the art such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory or an electrically erasable programmable memory, a register, etc. The storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the above method in conjunction with its hardware. To avoid repetition, it is not described in detail here.

It should be noted that the processor in the embodiment of the present application can be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method embodiment can be completed by an integrated logic circuit of hardware in the processor or an instruction in the form of software. The above processor can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps and logic block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor, etc. The steps of the method disclosed in the embodiment of the present application can be directly embodied as a hardware decoding processor to perform, or the hardware and software modules in the decoding processor can be combined and performed. The software module can be located in a mature storage medium in the field such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory or an electrically erasable programmable memory, a register, etc. The storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.

The present application also provides a computer-readable medium on which a computer program is stored. When the computer program is executed by a computer, the functions of any of the above method embodiments are implemented.

The present application also provides a computer program product, which implements the functions of any of the above method embodiments when executed by a computer.

In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented by software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center. The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated. The available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.

In the embodiments of the present application, words such as "exemplary" and "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" in the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of the word "exemplary" is intended to present concepts in a concrete way.

It should be understood that the "embodiment" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, the various embodiments in the entire specification do not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner.

It should be understood that in various embodiments of the present application, the size of the sequence number of each process does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application. The names of all nodes and messages in this application are merely names set by this application for the convenience of description. The names in the actual network may be different. It should not be understood that this application limits the names of various nodes and messages. On the contrary, any name with the same or similar function as the node or message used in this application is regarded as the method or equivalent replacement of this application, and is within the scope of protection of this application.

It should also be understood that in the present application, "when", "if" and "if" all mean that the UE or base station will take corresponding actions under certain objective circumstances. It is not a time limit, and it does not require the UE or base station to make judgments when implementing it, nor does it mean that there are other limitations.

In addition, the terms "system" and "network" are often used interchangeably in this article. The term "and/or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and/or B can mean: A exists alone, A and B exist at the same time, and B exists alone.

The term "at least one of..." or "at least one of..." herein refers to all or any combination of the listed items. For example, "at least one of A, B, and C" may refer to the following six situations: A exists alone, B exists alone, C exists alone, A and B exist at the same time, B and C exist at the same time, and A, B, and C exist at the same time. "At least one" herein refers to one or more. "More than one" refers to two or more.

It should be understood that in each embodiment of the present application, the terms “including”, “comprising”, “having” and their variations all mean “including but not limited to”, unless otherwise specifically emphasized.

It should be understood that in various embodiments of the present application, the first, second and various digital numbers are only used for the convenience of description and are not used to limit the scope of the embodiments of the present application. For example, to distinguish different information.

Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art. The computer software product is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, and other media that can store program codes.

The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims (53)

An NTN communication method, characterized in that it is applied to a first device and includes: Determine a first pilot configuration, where the first pilot configuration corresponds to a first time period, where the first time period is a time period for activating the first pilot configuration, or where the first pilot configuration corresponds to a first position, where the first position is a geographical location where the first pilot configuration is sent; Interference detection is performed based on the first pilot configuration. The method according to claim 1, characterized in that the determining the first pilot configuration comprises: receiving at least one second pilot configuration from a second device, each second pilot configuration in the at least one second pilot configuration corresponding to an activation time period, and each second pilot configuration being associated with at least one third device; The first pilot configuration is determined according to the at least one second pilot configuration, where the first pilot configuration is one of the at least one second pilot configuration. The method according to claim 2, characterized in that the determining the first pilot configuration according to the at least one second pilot configuration comprises: The first pilot configuration is determined according to an activation time period corresponding to each second pilot configuration. The method according to claim 1, characterized in that the determining the first pilot configuration comprises: The first pilot configuration is received from a second device, where the first position corresponding to the first pilot configuration is a geographical location where the second device is located when sending the first pilot configuration. The method according to claim 4 is characterized in that the first pilot configuration is determined by the second device from at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, and each third pilot configuration is associated with at least one third device. The method according to any one of claims 1 to 5, characterized in that the method further comprises: Perform interference detection based on the first pilot configuration to obtain a first value; When the first value is higher than a first threshold, an identifier of the third device associated with the first pilot configuration is sent to the second device or a core network device, and interference occurs between the third device and the second device. The method according to claim 6, characterized in that the performing interference detection based on the first pilot configuration to obtain the first value comprises: Interference detection is performed based on a first angle range associated with the first pilot configuration. The method according to claim 7, characterized in that the method further comprises: The first angle range associated with the first pilot configuration is received, where the first angle range is used to indicate a receiving or sending direction of a pilot corresponding to the first pilot configuration. The method according to claim 7 or 8 is characterized in that the first angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the first angle range is the angle range indicated by the reference direction of the first device and the angular range with respect to the reference direction. The method according to any one of claims 1-9 is characterized in that the first device is an access network device or a terminal device. The method according to any one of claims 1-9 is characterized in that the second device is a satellite or an access network device on a satellite. An NTN communication method, characterized in that it is applied to a second device and includes: Determine at least one second pilot configuration, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; The at least one second pilot configuration is sent to the first device, and each second pilot configuration in the at least one second pilot configuration is used for the first device to perform interference detection in a corresponding activation time period. The method according to claim 12, characterized in that the method further comprises: An identification of a third device is received, the third device being associated with the first pilot configuration, the first pilot configuration being one of the at least one second pilot configuration. The method according to claim 12 or 13, characterized in that the method further comprises: An angle range associated with each second pilot configuration in the at least one second pilot configuration is sent, where the angle range associated with each second pilot configuration is used to indicate a receiving or sending direction of a pilot corresponding to each second pilot configuration, and the first angle range is an angle range associated with the first pilot configuration. The method according to claim 14 is characterized in that the angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the angle range is the angle range indicated by a reference direction of the first device and an angular range with respect to the reference direction. The method according to any one of claims 12-15 is characterized in that the first device is an access network device or a terminal device. The method according to any one of claims 12-15 is characterized in that the second device is a satellite or an access network device on a satellite. An NTN communication method, characterized in that it is applied to a third device, comprising: Determine a first pilot configuration according to at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position where the second device is located, each third pilot configuration is associated with at least one third device, and the first pilot configuration is a pilot configuration corresponding to the first position; The first pilot configuration is sent. The method according to claim 18, characterized in that determining the first pilot configuration according to at least one third pilot configuration comprises: The first pilot configuration is determined according to different positions corresponding to each third pilot configuration in the at least one third pilot configuration, and the first position corresponding to the first pilot configuration is a geographical location where the second device sends the first pilot configuration. The method according to claim 18 or 19, characterized in that the method further comprises: An identification of a third device is received, the third device being associated with the first pilot configuration, the first pilot configuration being one of the at least one third pilot configuration. The method according to any one of claims 18 to 20, characterized in that the method further comprises: A first angle range associated with the first pilot configuration is sent, where the first angle range is used to indicate a receiving or sending direction of a pilot corresponding to the first pilot configuration. The method according to claim 21 is characterized in that the first angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the first angle range is the angle range indicated by the reference direction of the first device and the angular range with respect to the reference direction. The method according to any one of claims 18-22 is characterized in that the first device is an access network device or a terminal device. The method according to any one of claims 18-22 is characterized in that the second device is a satellite or an access network device on a satellite. An NTN communication device, characterized by comprising: A processing unit is used to determine a first pilot configuration, where the first pilot configuration corresponds to a first time period, where the first time period is a time period for activating the first pilot configuration, or where the first pilot configuration corresponds to a first position, where the first position is a geographical location where the first pilot configuration is sent; the processing unit is also used to perform interference detection based on the first pilot configuration. The NTN communication device according to claim 25 is characterized in that the communication device further includes: a transceiver unit, used to receive at least one second pilot configuration from a second device, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; the processing unit is also used to determine the first pilot configuration according to the at least one second pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration. The NTN communication device according to claim 26, characterized in that the processing unit is further used to determine the first pilot configuration according to an activation time period corresponding to each second pilot configuration. The NTN communication device according to claim 26 is characterized in that the transceiver unit is also used to receive the first pilot configuration from a second device, and the first position corresponding to the first pilot configuration is a geographical location where the second device is located when sending the first pilot configuration. The NTN communication device according to claim 28 is characterized in that the first pilot configuration is determined by the second device from at least one third pilot configuration, each of the at least one third pilot configuration corresponds to a different position of the second device, and each third pilot configuration is associated with at least one third device. The NTN communication device according to any one of claims 25 to 29 is characterized in that the processing unit is further used to perform interference detection based on the first pilot configuration to obtain a first value; when the first value is higher than a first threshold, the transceiver unit is further used to send an identifier of the third device associated with the first pilot configuration to the second device or the core network device, and interference occurs between the third device and the second device. The NTN communication device according to claim 30 is characterized in that the processing unit is further used to perform interference detection based on a first angle range associated with the first pilot configuration. The NTN communication device according to claim 31 is characterized in that the transceiver unit is also used to receive the first angle range associated with the first pilot configuration, and the first angle range is used to indicate the receiving or sending direction of the pilot corresponding to the first pilot configuration. The NTN communication device according to claim 31 or 32 is characterized in that the first angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the first angle range is the angle range indicated by the reference direction of the first device and the angular range with respect to the reference direction. The NTN communication device according to any one of claims 25 to 33, characterized in that the first device is an access network device or a terminal device. The NTN communication device according to any one of claims 25 to 33, characterized in that the second device is a satellite or an access network device on a satellite. An NTN communication device, characterized by comprising: A processing unit, used to determine at least one second pilot configuration, each of the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; a transceiver unit, used to send the at least one second pilot configuration to the first device, each of the at least one second pilot configuration is used for the first device to perform interference detection in the corresponding activation time period. The NTN communication device according to claim 36 is characterized in that the transceiver unit is also used to receive an identifier of a third device, the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration. The NTN communication device according to claim 36 or 37 is characterized in that the transceiver unit is also used to send the angle range associated with each second pilot configuration in the at least one second pilot configuration, and the angle range associated with each second pilot configuration is used to indicate the receiving or sending direction of the pilot corresponding to each second pilot configuration, and the first angle range is the angle range associated with the first pilot configuration. The NTN communication device according to claim 38 is characterized in that the angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the angle range is the angle range indicated by the reference direction of the first device and the angular range with respect to the reference direction. The NTN communication device according to any one of claims 36 to 39, characterized in that the first device is an access network device or a terminal device. The NTN communication device according to any one of claims 36 to 39, characterized in that the second device is a satellite or an access network device on a satellite. An NTN communication device, characterized by comprising: A processing unit, used to determine a first pilot configuration based on at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, each third pilot configuration is associated with at least one third device, and the first pilot configuration is a pilot configuration corresponding to the first position; a transceiver unit, used to send the first pilot configuration. The NTN communication device according to claim 42 is characterized in that the processing unit is also used to determine the first pilot configuration according to the different positions corresponding to each third pilot configuration in the at least one third pilot configuration, and the first position corresponding to the first pilot configuration is the geographical location where the second device sends the first pilot configuration. The NTN communication device according to claim 42 or 43 is characterized in that the transceiver unit is also used to receive an identifier of a third device, the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one third pilot configuration. The NTN communication device according to any one of claims 42 to 44 is characterized in that the transceiver unit is also used to send a first angle range associated with the first pilot configuration, and the first angle range is used to indicate a receiving or sending direction of the pilot corresponding to the first pilot configuration. The NTN communication device according to claim 45 is characterized in that the first angle range is the angle range of the zenith angle and the azimuth angle indicated by the local coordinate system of the first device; or, the first angle range is the angle range indicated by the reference direction of the first device and the angular range with respect to the reference direction. The NTN communication device according to any one of claims 42 to 46, characterized in that the first device is an access network device or a terminal device. The NTN communication device according to any one of claims 42 to 46 is characterized in that the second device is a satellite or an access network device on a satellite. A communication device, characterized in that it comprises a unit for executing the method described in any one of claims 1-11 or 12-17 or 18-24. A communication device, characterized in that it includes a processor, the processor is coupled to a memory, the memory is used to store computer programs or instructions, and the processor is used to execute the computer program or instructions in the memory, so that the device executes the method as described in any one of claims 1 to 11, or executes the method as described in any one of claims 12 to 17, or executes the method as described in any one of claims 18 to 24. A computer-readable storage medium, characterized in that a computer program or instruction is stored on the computer-readable storage medium, and when the computer program or instruction is executed on a computer, the computer executes the method as described in any one of claims 1 to 11, or executes the method as described in any one of claims 12 to 17, or executes the method as described in any one of claims 18 to 24. A chip system, characterized in that it includes: a processor, used to call and run a computer program from a memory, so that a communication device installed with the chip system executes the method described in any one of claims 1 to 11, or executes the method described in any one of claims 12 to 17, or executes the method described in any one of claims 18 to 24. A computer program product, characterized in that when the computer program product is run on a computer, the computer executes the steps of the method as claimed in any one of claims 1 to 11, or executes the steps of the method as claimed in any one of claims 12 to 17, or executes the steps of the method as claimed in any one of claims 18 to 24.