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WO2018170693A1 - Procédé et appareil de mesure de signal, terminal et système - Google Patents

Procédé et appareil de mesure de signal, terminal et système Download PDF

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Publication number
WO2018170693A1
WO2018170693A1 PCT/CN2017/077357 CN2017077357W WO2018170693A1 WO 2018170693 A1 WO2018170693 A1 WO 2018170693A1 CN 2017077357 W CN2017077357 W CN 2017077357W WO 2018170693 A1 WO2018170693 A1 WO 2018170693A1
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WO
WIPO (PCT)
Prior art keywords
signal
network device
access network
measurement process
terminal
Prior art date
Application number
PCT/CN2017/077357
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English (en)
Chinese (zh)
Inventor
张治�
唐海
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2017/077357 priority Critical patent/WO2018170693A1/fr
Priority to CN201780047181.5A priority patent/CN109565739B/zh
Publication of WO2018170693A1 publication Critical patent/WO2018170693A1/fr

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  • the embodiments of the present invention relate to the field of communications, and in particular, to a signal measurement method, apparatus, terminal, and system.
  • the 5th generation mobile communication (5G) system is also known as the new radio (NR) system.
  • NR new radio
  • the 5G system supports higher bandwidth.
  • the 5G system supports high-frequency bandwidth of 6G or more.
  • the 5G system also introduces a multi-beam technology that covers the entire cell by a plurality of different beams, each of which covers one of the smaller ranges.
  • the terminal needs to measure some specific signals (such as reference signals) sent by the access network device.
  • some specific signals such as reference signals
  • the terminal when the terminal performs signal measurement, it is usually sent by the access network device.
  • the measurement process of the signal is performed on a full bandwidth according to a certain measurement period.
  • the terminal Since the 5G system supports a wider bandwidth and more beams, according to the measurement method in the related art, the terminal needs to measure the signal on the full bandwidth of each beam, which requires a long measurement time and hardware resources. , resulting in lower measurement efficiency of the signal.
  • the embodiment of the invention provides a signal measurement method, device, terminal and system.
  • the technical solution is as follows:
  • a signal measurement method comprising:
  • the terminal starts at least one measurement process of the second signal sent by the access network device; the parameter information includes that the terminal sends the access network device The measurement result of at least one measurement process of the first signal, and/or the parameter information includes a terminal state of the terminal.
  • the method further includes:
  • the terminal maintains at least one measurement process of the first signal sent by the access network device
  • the terminal stops at least one measurement process of the first signal sent by the access network device.
  • the terminal starts at least one measurement process of the second signal sent by the access network device, including:
  • the terminal When the terminal detects that the parameter information meets the preset condition, the terminal starts at least one measurement process of the second signal sent by the access network device.
  • the method further includes:
  • the terminal Before initiating at least one measurement process of the second signal sent by the access network device, the terminal receives a measurement configuration that is sent by the access network device when detecting that the parameter information meets the preset condition / or activate the instruction;
  • the terminal initiates at least one measurement process of the second signal sent by the access network device, including:
  • the terminal initiates at least one measurement process of the second signal sent by the access network device according to the measurement configuration and/or the activation command.
  • the receiving, by the terminal, the measurement configuration and/or the activation command sent by the access network device when detecting that the parameter information meets the preset condition includes:
  • the control message includes at least one of radio resource control RRC signaling, a medium access control message MAC CE, and downlink control information DCI.
  • the at least one measurement process of the first signal sent by the access network device is at least one measurement process of the first signal sent by the access network device on the first bandwidth
  • the at least one measurement process of the second signal sent by the access network device is at least one measurement process of the second signal sent by the access network device on a second bandwidth
  • the first bandwidth and the second bandwidth are different bandwidths, or the first bandwidth and the second bandwidth are the same bandwidth.
  • the at least one measurement process of the first signal sent by the access network device is Determining at least one measurement process of the first signal sent by the access network device on the first beam;
  • the at least one measurement process of the second signal sent by the access network device is at least one measurement process of the second signal sent by the access network device on the second beam;
  • the first beam and the second beam are different types of beams, or the first beam and the second beam are beams of the same type.
  • the terminal status includes:
  • At least one of a moving speed, network configuration information, a service type, and a transmission method At least one of a moving speed, network configuration information, a service type, and a transmission method.
  • the first signal is part or all of the signals in the synchronization signal block SS block, and the second signal is a channel state information reference signal CSI-RS;
  • the first signal is a CSI-RS
  • the second signal is part or all of the signals in the SS block.
  • a signal measurement method comprising:
  • the terminal performs at least one measurement process of the first signal sent by the access network device in a first cycle
  • the measurement result of the terminal at least one measurement process of the first signal and the measurement result of the terminal at least one measurement process of the second signal are used to implement the same function.
  • the terminal performs at least one measurement process of the first signal sent by the access network device in the first period, where the terminal performs the access network device in the first cycle on the first bandwidth. At least one measurement process of the transmitted first signal;
  • the terminal Performing, by the terminal, the at least one measurement process of the second signal sent by the access network device by using the second period, where the terminal performs the second network on the second bandwidth in the second period At least one measurement process of the transmitted second signal;
  • the first bandwidth and the second bandwidth are different bandwidths, or the first bandwidth and the second bandwidth are the same bandwidth.
  • the terminal performs at least one measurement process of the first signal sent by the access network device by using the first period, where the terminal performs the access network device in the first cycle on the first beam. At least one measurement process of the transmitted first signal;
  • the terminal Performing, by the terminal, the at least one measurement process of the second signal sent by the access network device by using the second period, where the terminal performs the access network design by using the second period on the second beam At least one measurement process of the second signal to be transmitted;
  • the first beam and the second beam are different types of beams, or the first beam and the second beam are beams of the same type.
  • the measurement result of the at least one measurement process of the first signal by the terminal and the measurement result of the at least one measurement process of the second signal by the terminal are used to implement downlink beam management on the terminal Or mobility management.
  • a signal measurement method comprising:
  • the terminal starts at least one measurement process of the first signal sent by the access network device
  • the terminal starts or stops at least one measurement process of the second signal sent by the access network device; at least one measurement process of the first signal corresponds to at least one measurement process of the second signal.
  • the terminal starts or stops at least one measurement process of the second signal sent by the access network device, including:
  • the terminal starts or stops at least one measurement process of the second signal sent by the access network device by pre-configuration.
  • the method further includes:
  • the terminal Before receiving or stopping at least one measurement process of the second signal sent by the access network device, the terminal receives a measurement configuration and/or an activation instruction sent by the access network device;
  • At least one measurement process of the second signal sent by the terminal to the access network device including:
  • the terminal starts or stops at least one measurement process of the second signal sent by the access network device according to the measurement configuration and/or an activation instruction.
  • a signal measuring apparatus comprising at least one unit for implementing any one of the above first aspect or the first aspect
  • the method for measuring a signal provided by the implementation; or the at least one unit is configured to implement the signal measurement method provided by the optional implementation of any of the second aspect or the second aspect; or the at least one unit is used for A signal measurement method provided by any of the optional implementations of the third aspect or the third aspect described above is implemented.
  • a terminal comprising a processor, a memory and a transceiver; the processor is configured to store one or more instructions, the instructions being indicated as being Executing by the processor, the processor is configured to control the transceiver to implement the signal measurement method provided by the foregoing first aspect or any one of the optional implementations of the first aspect; or the processor is configured to control the transceiver to implement the foregoing The signal measurement method provided by any one of the optional implementations of the second aspect or the second aspect; or the processor is configured to control the transceiver to implement any one of the foregoing third aspect or the third aspect The signal measurement method provided.
  • a computer readable medium storing one or more instructions for implementing any of the above first aspect or the first aspect
  • An optional measurement method provided by the implementation; or the instruction is used to implement the signal measurement method provided by the optional implementation of any of the second aspect or the second aspect; or
  • the instructions are for implementing the signal measurement method provided by any of the optional implementations of the third aspect or the third aspect above.
  • a signal measurement system which may include a terminal and an access network device.
  • the terminal may be a terminal including the signal measuring device provided in the fourth aspect above.
  • the terminal performs cooperative measurement on two different signals capable of independently implementing the function, reduces unnecessary measurement processes, and reduces the number of signal measurements while ensuring measurement performance, thereby reducing
  • the measurement time required for signal measurement reduces hardware resource consumption and improves measurement efficiency.
  • FIG. 1 is a schematic structural diagram of a mobile communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram showing the distribution of an SS block according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of another SS block according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of a method for measuring a signal according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of measurement periods of five different signals involved in the embodiment shown in FIG. 4;
  • FIG. 5 is a schematic diagram of measurement periods of five different signals involved in the embodiment shown in FIG. 4;
  • FIG. 6 is a flowchart of a method for measuring a signal according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of a method for measuring a signal according to an embodiment of the present invention.
  • FIG. 8 is a flowchart of a method for measuring a signal according to an embodiment of the present invention.
  • FIG. 9 is a flowchart of a method for measuring a signal according to an embodiment of the present invention.
  • FIG. 10 is a block diagram showing the structure of a signal measuring apparatus according to another embodiment of the present invention.
  • FIG. 11 is a structural block diagram of a terminal according to another embodiment of the present invention.
  • a “module” as referred to herein generally refers to a program or instruction stored in a memory that is capable of performing certain functions;
  • "unit” as referred to herein generally refers to a functional structure that is logically divided, the "unit” It can be implemented by pure hardware or a combination of hardware and software.
  • Multiple as referred to herein means two or more. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character "/" generally indicates that the contextual object is an "or" relationship.
  • FIG. 1 is a schematic structural diagram of a mobile communication system according to an embodiment of the present invention.
  • the mobile communication system can be a 5G system, also known as an NR system.
  • the mobile communication system includes an access network device 120 and a terminal 140.
  • Access network device 120 can be a base station.
  • the base station may be a base station (gNB) employing a centralized distributed architecture in a 5G system.
  • the access network device 120 adopts a centralized distributed architecture it generally includes a central unit (CU) and at least two distributed units (DUs).
  • a centralized data unit is provided with a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control (RLC) layer, and a Media Access Control (MAC) layer protocol stack; Physical (PHY) is set in the unit
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Media Access Control
  • PHY Physical
  • the access network device 120 and the terminal 140 establish a wireless connection through the wireless air interface.
  • the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, for example, the wireless air interface is a new air (NR); or the wireless air interface may also be based on 5G. Wireless air interface for the next generation of mobile communication network technology standards.
  • 5G fifth generation mobile communication network technology
  • NR new air
  • Wireless air interface for the next generation of mobile communication network technology standards.
  • Terminal 140 may be a device that provides voice and/or data connectivity to a user.
  • the terminal can communicate with one or more core networks via a Radio Access Network (RAN), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • RAN can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • RAN Radio Access Network
  • RAN Radio Access Network
  • Subscriber Unit Subscriber Station, Mobile Station, Mobile, Remote Station, Access Point, Remote Terminal , Access Terminal, User Terminal, User Agent, User Device, or User Equipment.
  • multiple access network devices 120 and/or multiple terminals 140 may be included, and one access network device 120 and one terminal 140 are shown in FIG.
  • this embodiment does not limit this.
  • the terminal when implementing the same function, can implement the function by performing cooperative measurement on the two signals for two different signals capable of independently implementing the function, without separately Full bandwidth and/or full beam measurement for both signals reduces the number of signal measurements, reduces the measurement time required for signal measurements, reduces hardware resource consumption, and improves signal measurement efficiency.
  • the cooperation between the measurement period, the reported content, the report trigger, and the measurement trigger of the above two signals can be performed.
  • a Synchronization Signal is mainly used for downlink synchronization
  • a synchronization signal is expanded into a synchronization signal block (SS block)
  • a synchronization signal block includes a primary synchronization signal (Primary).
  • PSS Synchronization Signal
  • SSS Secondary Synchronization Signal
  • other signals, signals, or information may be included.
  • the SS block may include a new air interface physical broadcast channel (NR-Physical Broadcast Channel, NR). -PBCH).
  • the signals in the SS block are separately deployed in the time domain, for example, may be distributed on multiple OFDM (Orthogonal Frequency Division Multiplexing) symbols.
  • OFDM Orthogonal Frequency Division Multiplexing
  • each signal in the SS block may be distributed on non-contiguous OFDM symbols.
  • different signals of one SS block are respectively located in different time slots, and in the same slot, signals belonging to different SS blocks are respectively located.
  • On different OFDM symbols please refer to FIG. 3, which shows a schematic diagram of another SS block according to an embodiment of the present invention.
  • one SS block includes PSS, SSS, and PBCH; the PSS of SS block #1 is located in the third OFDM symbol on the first slot, and the SSS of SS block #1 is located in the third slot on the second slot.
  • the PBCH of SS block#1 is located in the third OFDM symbol on the third slot;
  • the PSS of SS block#2 is located in the fourth OFDM symbol on the first slot, and the SSS of SS block#2 is located in the second
  • the fourth OFDM symbol on the slot, the PBCH of SS block#2 is located in the fourth OFDM symbol on the third slot;
  • the PSS of SS block#3 is located in the fifth OFDM symbol on the first slot, SS block
  • the SSS of #3 is located in the fifth OFDM symbol on the second slot, and the PBCH of SS block#3 is located in the fifth OFDM symbol on the third slot.
  • the SS block may also contain other information, such as timing information.
  • all or part of the signals in the SS block can be used for other functions in addition to signal synchronization, for example, it can be used for signal quality measurement.
  • the measurement of signal quality can also be achieved by measuring other signals, for example, by measuring CSI-RS signals.
  • Signal quality measurements can be used to implement DL Beam management and/or Mobility Management (MM) for the terminal. So at 5G In the system, when performing downlink beam management, some or all of the signals in the SS block can be measured, and the CSI-RS can also be measured. Similarly, in the mobility management, some/all signals in the SS block can be used. Measurements can also be made on the CSI-RS.
  • the embodiment of the present invention introduces a scheme related to the embodiment of the present invention by taking a partial/all signal in the SS block or measuring the CSI-RS to implement downlink beam management or mobility management.
  • the two signals capable of realizing the function may be separately measured according to different periods.
  • the terminal performs at least one measurement process of the first signal sent by the access network device in a first cycle, and the terminal further performs at least one measurement process of the second signal sent by the access network device in a second cycle, where The measurement result of the terminal at least one measurement process of the first signal and the measurement result of at least one measurement process of the second signal are used to achieve the same function.
  • FIG. 4 is a flowchart of a method for measuring a signal according to an embodiment of the present invention.
  • the signal measurement method is applied to the mobile communication system shown in FIG. 1, and all or part of the signals in the SS block and the CSI-RS signals are measured for illustration.
  • the method includes:
  • Step 401 The terminal performs at least one measurement process of the first signal sent by the access network device in the first period on the first bandwidth.
  • a measurement-related configuration involves factors such as a signal to be measured, a measurement period, a reporting period, and a purpose of use.
  • the above-mentioned partial parameters may be treated as different measurement processes. Therefore, in the embodiment of the present invention, The measurement of the CSI-RS/SS block signal can be divided into different measurement processes, the same type of signal can have different measurement processes, and different measurement processes of the same type of signal can also be used for different purposes.
  • Step 402 The terminal performs at least one measurement process of the second signal sent by the access network device in the second period on the second bandwidth.
  • the first signal may be part or all of the signals in the SS block, and the second signal is a CSI-RS; or the first signal is a CSI-RS, and the second signal is part or all of the signals in the SS block.
  • the first bandwidth and the second bandwidth are different bandwidths, or the first bandwidth and the second bandwidth are the same bandwidth; the first period and the second period may be periods with the same duration, or may be periods with different durations.
  • the measurement period of the terminal to the CSI-RS is an integer multiple (2 times) of the measurement period of some or all of the signals in the SS block, and the terminal responds to the corresponding signal in each measurement period.
  • the measurement timing of the two signals can be aligned, that is, t 1 and t 7 are the same, or the terminal can measure the timing of the two signals, that is, t 1 and t 7 are different. .
  • the measurement period of the terminal to some or all of the signals in the SS block is an integer multiple (2 times) of the measurement period of the CSI-RS, and the terminal responds to the corresponding signal in each measurement period.
  • a measurement is performed.
  • the measurement timing of the two signals can be aligned, that is, t 1 and t 7 are the same, or the terminal can measure the timing of the two signals, that is, t 1 and t 7 different.
  • the measurement period of the terminal for some or all of the signals in the SS block is the same as the measurement period for the CSI-RS, and the terminal performs some or all of the signals in the SS block in each measurement period.
  • the measurement is performed multiple times on the CSI-RS in one measurement; and the time at which one or all of the signals in the SS block are measured once before the time when the CSI-RS is measured multiple times.
  • the measurement period of the terminal for some or all of the signals in the SS block is the same as the measurement period for the CSI-RS, and the terminal performs some or all of the signals in the SS block in each measurement period.
  • the CSI-RS is measured once for multiple measurements; and the time for multiple measurements of some or all of the signals in the SS block is after a time to make a measurement of the CSI-RS.
  • the measurement period of the terminal for some or all of the signals in the SS block is the same as the measurement period for the CSI-RS, and the terminal performs some or all of the signals in the SS block in each measurement period.
  • the measurement is performed multiple times and the CSI-RS is measured multiple times; and the time for performing multiple measurements on the CSI-RS is between the time when some or all of the signals in the SS block are subjected to two adjacent measurements.
  • Step 403 The terminal implements downlink beam management or mobility management according to the measurement result of the at least one measurement process of the first signal and the measurement result of the terminal to at least one measurement process of the second signal.
  • the measurement result of the terminal at least one measurement process of the first signal and the measurement result of the terminal at least one measurement process of the second signal are used to implement the same function, for example, both for implementing downlink beam management or mobility. management.
  • the first signal is all or part of the signal in the SS block
  • the first bandwidth is a narrow bandwidth, such as 5 MHz
  • the second signal is CSI-RS
  • the second bandwidth is a wider bandwidth, such as 20 MHz.
  • At least one of all or part of the signals in the SS block is used to implement a measurement process of downlink beam management or mobility management; at the same time, in order to be able to understand information such as channel quality on other bandwidths, the terminal may be on a second bandwidth of 20 MHz.
  • At least one measurement process for implementing downlink beam management or mobility management for the CSI-RS is performed at a lower frequency.
  • the terminal may perform at least one measurement process for implementing downlink beam management or mobility management on the CSI-RS at a higher frequency on the second bandwidth of 20 MHz, and the first bandwidth at 5 MHz.
  • the terminal performs at least one measurement process for implementing downlink beam management or mobility management for all or part of the signals in the SS block at a lower frequency.
  • the first signal may also be a CSI-RS
  • the first bandwidth is a narrow bandwidth, such as 5 MHz
  • the second signal may be all or part of the signal in the SS block
  • the second bandwidth is a wider bandwidth, such as 20MHz.
  • the terminal may perform all or part of the signal in the CSI-RS at a higher frequency in the downlink bandwidth management or mobility management process on the first bandwidth of 5 MHz.
  • At least one measurement process for implementing downlink beam management or mobility management; at the same time, the terminal may perform at least one of all or part of the signals in the SS block at a lower frequency on a second bandwidth of 20 MHz to implement Downlink beam management or mobility management measurement process.
  • the terminal may perform all or part of the signal in the SS block at a higher frequency on the second bandwidth of 20 MHz in the process of downlink beam management or mobility management. At least one measurement process for implementing downlink beam management or mobility management, and at a lower bandwidth of 5 MHz, the terminal performs at least one of the CSI-RS at a lower frequency for implementing downlink beam management or mobility management Measurement process.
  • the first period and the second period may be a loop period on a full period of time, that is, the terminal measures the first signal in a first period and the second signal in a second period in any period of time.
  • the first period and the second period may also be a cycle period on a part of the time period, that is, the end
  • the terminal measures the first signal in a first period and the second signal in a second period only over a portion of the time period.
  • the part of the time period may be a pre-configured time period in the terminal, or may be a time period indicated by a system (such as an access network device).
  • the terminal performs cooperative measurement on two different signals in a certain management process, reduces unnecessary measurement processes, and reduces signal measurement while ensuring measurement performance. The number of times, thereby reducing the measurement time required for signal measurement, reducing hardware resource consumption, and improving measurement efficiency.
  • FIG. 6 is a flowchart of a method for measuring a signal according to an embodiment of the present invention.
  • the signal measurement method is applied to the mobile communication system shown in FIG. 1, and all or part of the signals in the SS block and the CSI-RS signals are measured for illustration.
  • the method includes:
  • Step 601 The terminal performs at least one measurement process of the first signal sent by the access network device in the first period on the first beam.
  • Step 602 The terminal performs at least one measurement process of the second signal sent by the access network device in the second period on the second beam.
  • the first signal may be part or all of the signals in the SS block, and the second signal is a CSI-RS; or the first signal is a CSI-RS, and the second signal is part or all of the signals in the SS block.
  • the first beam and the second beam are different types of beams, or the first beam and the second beam are the same beam; the first period and the second period may be the same period of time, or may be different durations. Cycle.
  • the measurement cycle diagrams of different signals may be as shown in FIG. 5.
  • Step 603 The terminal implements downlink beam management or mobility management according to the measurement result of the at least one measurement process of the first signal and the measurement result of the terminal to at least one measurement process of the second signal.
  • the measurement result of the terminal at least one measurement process of the first signal and the measurement result of the terminal at least one measurement process of the second signal are used to implement the same function, for example, both for implementing downlink beam management or mobility. management.
  • the first signal is all or part of the signal in the SS block
  • the first beam is a narrow beam
  • the second signal is a CSI-RS
  • the second beam is a wider beam
  • a second beam Multiple first beams can be covered.
  • the access network device may send the SS block on the first beam and send the CSI-RS on the second beam.
  • FIG. 5(a) when the terminal moves at a slow speed, When approaching still, the terminal only needs to occupy a narrow beam. At this time, in the process of downlink beam management or mobility management, the terminal can perform all or part of the signals in the SS block at a higher frequency on the first beam.
  • At least one measurement process for implementing downlink beam management or mobility management at the same time, in order to be able to understand information such as channel quality on other wide beams corresponding to the second beam, for subsequent beam switching, the terminal may be on the second beam to The lower frequency performs at least one measurement process for implementing downlink beam management or mobility management for the CSI-RS.
  • the terminal does not need to maintain high-frequency measurement of signals on a wider beam, thereby reducing unnecessary measurement processes, reducing the number of signal measurements while ensuring measurement performance, thereby reducing the need for signal measurement. Measuring time, reducing hardware resource consumption and improving measurement efficiency.
  • the terminal may quickly remove the range corresponding to the current narrow beam.
  • the terminal may perform at least one measurement process for implementing downlink beam management or mobility management on the CSI-RS on the second beam at a higher frequency, and on the first beam, the terminal compares The low frequency performs at least one measurement procedure for all or part of the signals in the SS block for implementing downlink beam management or mobility management.
  • the terminal can reduce unnecessary measurement processes on the narrow beam, reduce the number of signal measurements and improve measurement efficiency while ensuring measurement performance.
  • the first signal may also be a CSI-RS
  • the first beam is a narrower beam
  • the second signal may be all or part of the signal in the SS block
  • the second beam is A wider beam.
  • the terminal may perform at least one of all or part of the signals in the CSI-RS at a higher frequency in the downlink beam management or mobility management process.
  • the measurement process for implementing downlink beam management or mobility management; at the same time, the terminal may perform at least one of all or part of the signals in the SS block on the second beam to implement downlink beam management or mobility at a lower frequency. Managed measurement process.
  • the terminal may perform at least one of all or part of the signals in the SS block to implement the downlink beam on the second beam in the downlink beam management or mobility management process.
  • the measurement process of management or mobility management, and on the first beam, the terminal performs at least one measurement process for implementing downlink beam management or mobility management on the CSI-RS at a lower frequency.
  • the first period and the second period may be a cycle period on a full time period, or may be a cycle period on a partial time period.
  • the terminal performs cooperative measurement on two different signals in a certain management process, reduces unnecessary measurement processes, and reduces signal measurement while ensuring measurement performance. The number of times, thereby reducing the measurement time required for signal measurement, reducing hardware resource consumption, and improving measurement efficiency.
  • the terminal may first perform a measurement process on a certain signal, and when a certain condition is met, start a measurement process on another signal, without requiring a The process is managed while measuring two different signals. For example, the terminal performs at least one measurement process of the first signal sent by the access network device. When the parameter information corresponding to the terminal meets the preset condition, the terminal starts at least one measurement process of the second signal sent by the access network device.
  • FIG. 7 is a flowchart of a method for measuring a signal provided by an embodiment of the present invention.
  • the signal measurement method is applied to the mobile communication system shown in FIG. 1, and all or part of the signals in the SS block and the CSI-RS signals are measured for illustration.
  • the method includes:
  • Step 701 The terminal performs at least one measurement process of the first signal sent by the access network device on the first bandwidth.
  • the parameter information includes a measurement result of at least one measurement process of the first signal sent by the terminal to the access network device, and/or the parameter information includes a terminal state of the terminal.
  • the foregoing terminal status may include at least one of a mobile speed, network configuration information, a service type, and a transmission manner.
  • Step 702 When the parameter information meets the preset condition, the terminal starts at least one measurement process of the second signal sent by the access network device on the second bandwidth.
  • the first bandwidth and the second bandwidth are different bandwidths, or the first bandwidth and the second bandwidth are the same bandwidth.
  • the terminal when the terminal detects that the parameter information meets the preset condition, the terminal may start at least one measurement process of the second signal sent by the access network device on the second bandwidth.
  • the preset condition may be that the channel quality obtained by measuring the first signal is lower than a preset quality threshold.
  • the preset condition may be a condition related to the terminal status. For example, when the terminal state includes the moving speed, the preset condition may include the moving speed being greater than the first preset speed threshold, or the preset condition may include the moving speed being less than the second preset The speed threshold is set; when the terminal state includes the network configuration information, the preset condition may include the network configuration information as the preset configuration information; when the terminal state includes the service type, the preset condition may include the service type of the terminal is The preset service type; when the terminal state includes the transmission mode, the preset condition may include that the transmission mode of the terminal is a preset transmission mode.
  • the determining process of the foregoing preset condition may be performed by the terminal, and when the terminal detects that the parameter information meets the preset condition, the terminal starts at least one measurement of the second signal sent by the access network device on the second bandwidth. process.
  • the determining process of the foregoing preset condition may also be performed by the access network device.
  • the access network device may collect the foregoing parameter information, for example, may receive information reported by the terminal (for example, the terminal reports the measurement result of the first signal or The measurement result of the moving speed of the terminal), and/or the local configuration information (such as network configuration information, service type, and transmission mode) may also be queried, and/or the measured information may also be obtained (for example, access)
  • the network device can measure the moving speed of the terminal.
  • the measurement configuration and/or the activation command that can be sent to the terminal by the control message, the measurement configuration and/or the activation command And at least one measuring process for instructing the terminal to initiate a second signal sent on the second bandwidth, where the control message may include Radio Resource Control (RRC) signaling, and a medium access control message (Media Access Control Control) Element, MAC CE) and Downlink Control Information (DCI) At least one.
  • RRC Radio Resource Control
  • DCI Downlink Control Information
  • the foregoing measurement configuration may include configuration information about at least one measurement process of the second signal, for example, the measurement configuration may include a measured bandwidth range, a measurement period, and a measured start and end time, etc.; the above activation command may be used to indicate The terminal initiates the corresponding measurement process.
  • the measurement configuration and the activation command may be used separately.
  • the measurement configuration of the at least one measurement process of the second signal is not preset in the terminal, and when receiving the measurement configuration, the terminal automatically starts the measurement according to the measurement configuration; or
  • the measurement configuration of the at least one measurement process of the second signal is preset in the terminal, and when receiving the activation instruction, the terminal starts the measurement according to the preset measurement configuration; or, after receiving the measurement configuration and the activation instruction, the terminal follows The measurement configuration received and the activation command initiate the measurement.
  • Step 703 The terminal maintains at least one measurement process of the first signal sent by the access network device; or the terminal stops at least one measurement process of the first signal sent by the access network device.
  • the measurement result of the terminal at least one measurement process of the first signal and the measurement result of the terminal at least one measurement process of the second signal are used to implement the same function, for example, both for implementing downlink beam management or mobility. management.
  • the terminal may maintain the original measurement process of the first signal to improve the measurement accuracy, or the terminal may stop the first At least one measurement process of the signal to reduce the number of unnecessary measurements.
  • the terminal After the terminal starts at least one measurement process on the second signal, if the accuracy of the measurement result of the at least one measurement process of the second signal is higher than the predetermined measurement accuracy, the terminal stops transmitting the access to the access network device. At least one measurement process of a signal; conversely, if the accuracy of the measurement result of the at least one measurement process of the second signal is not higher than a predetermined measurement accuracy, the terminal continues to maintain at least the first signal transmitted by the access network device A measurement process.
  • the measurement result of the terminal at least one measurement process of the first signal and the measurement result of the terminal at least one measurement process of the second signal are used to implement the same function, for example, both for implementing downlink beam management or mobility. management.
  • the first signal is all or part of the signal in the SS block
  • the first bandwidth is a narrow bandwidth, such as 5 MHz
  • the second signal is CSI-RS
  • the second bandwidth is a wider bandwidth, such as 20 MHz.
  • the terminal may first perform at least one measurement process for implementing downlink beam management or mobility management on all or part of the SS block on the first bandwidth of 5 MHz.
  • the measurement result of all or part of the signals in the SS block and/or the parameter information of the terminal satisfy the condition, for example, the measurement result indicates that the channel quality obtained by measuring on the first bandwidth is poor, and/or, when the terminal moves faster,
  • the terminal starts at least one measurement process for implementing downlink beam management or mobility management on the second bandwidth of 20 MHz according to a pre-configuration or according to an indication of the access network device.
  • the first signal is a CSI-RS
  • the first bandwidth is a narrower bandwidth, such as 5 MHz
  • the second signal is all or part of the signal in the SS block
  • the second bandwidth is a wider bandwidth, such as 20 MHz.
  • the terminal may first perform at least one measurement process for implementing downlink beam management or mobility management on the CSI-RS on the first bandwidth of 5 MHz, when the terminal is to the CSI-RS.
  • the measurement result and/or the parameter information of the terminal satisfy the condition.
  • the measurement result indicates that the channel quality obtained by measuring on the first bandwidth is poor, and/or, when the terminal moves faster, the terminal is pre-configured or according to the access network device. Instructing to initiate at least one of all or part of the signals in the SS block on the second bandwidth of 20 MHz for implementing downlink beam management or The measurement process of mobility management.
  • the first signal is all or part of the signal in the SS block
  • the first bandwidth is a narrow bandwidth, such as 5 MHz
  • the second signal is CSI-RS
  • the second bandwidth is a wider bandwidth, such as 20 MHz.
  • the terminal may first perform at least one measurement process for implementing downlink beam management or mobility management on the CSI-RS on the second bandwidth of 20 MHz, when the terminal is to the CSI-RS.
  • the terminal starts to perform at least one of all or part of the signals in the SS block on the first bandwidth of 5 MHz according to the pre-configuration or according to the indication of the access network device. Beam measurement or mobility management measurement process.
  • the first signal is a CSI-RS
  • the first bandwidth is a narrower bandwidth, such as 5 MHz
  • the second signal is all or part of the signal in the SS block
  • the second bandwidth is a wider bandwidth, such as 20 MHz.
  • the terminal may first perform at least one measurement process for implementing downlink beam management or mobility management on all or part of the SS block on the second bandwidth of 20 MHz.
  • the terminal starts at least the CSI-RS on the first bandwidth of 5 MHz according to the pre-configuration or according to the indication of the access network device.
  • the terminal performs cooperative measurement on two different signals in a certain management process, reduces unnecessary measurement processes, and reduces signal measurement while ensuring measurement performance. The number of times, thereby reducing the measurement time required for signal measurement, reducing hardware resource consumption, and improving measurement efficiency.
  • FIG. 8 is a flowchart of a method for measuring a signal provided by an embodiment of the present invention.
  • the signal measurement method is applied to the mobile communication system shown in FIG. 1, and all or part of the signals in the SS block and the CSI-RS signals are measured for illustration.
  • the method includes:
  • Step 801 The terminal performs at least one measurement process of the first signal sent by the access network device on the first beam.
  • the parameter information includes a measurement result of at least one measurement process of the first signal sent by the terminal to the access network device, and/or the parameter information includes a terminal state of the terminal.
  • the foregoing terminal status may include at least one of a mobile speed, network configuration information, a service type, and a transmission manner.
  • Step 802 When the parameter information meets the preset condition, the terminal starts at least one measurement process of the second signal sent by the access network device on the second beam.
  • the first beam and the second beam are different types of beams, or the first beam and the second beam are beams of the same type.
  • the terminal may start at least one measurement process of the second signal sent by the access network device on the second beam.
  • the determining process of the foregoing preset condition may be performed by the terminal, and when the terminal detects that the parameter information meets the preset condition, the terminal initiates at least one measurement of the second signal sent by the access network device on the second beam. process.
  • the determining process of the foregoing preset condition may also be performed by the access network device, and when the access network device determines that the collected parameter information meets the preset condition, the measurement configuration and/or the activation command that can be sent to the terminal by the control message. After receiving the above measurement configuration and/or activation command, the terminal initiates at least one measurement process of the second signal transmitted on the second beam according to the measurement configuration and/or the activation command.
  • Step 803 The terminal maintains at least one measurement process of the first signal sent by the access network device; or the terminal stops at least one measurement process of the first signal sent by the access network device.
  • the measurement result of the terminal at least one measurement process of the first signal and the measurement result of the terminal at least one measurement process of the second signal are used to implement the same function, for example, both for implementing downlink beam management or mobility. management.
  • the first signal is all or part of the signal in the SS block
  • the first beam is a narrow beam
  • the second signal is a CSI-RS
  • the second beam is a wider beam.
  • the terminal When the terminal is stationary, it only needs a narrow first beam to meet the transmission requirement.
  • the terminal In the downlink beam management or mobility management process, the terminal may first perform all or part of the signal in the SS block on the first beam.
  • At least one measurement process for implementing downlink beam management or mobility management when the terminal meets the measurement result of all or part of the signal in the SS block and/or the parameter information of the terminal, for example, the measurement result indicates that the measurement on the first beam
  • the measurement result indicates that the measurement on the first beam
  • the terminal initiates at least one of the CSI-RS signals on the second beam to implement the downlink beam according to the pre-configuration or according to the indication of the access network device. Management or mobility management measurement process.
  • the first signal is a CSI-RS
  • the first beam is a narrower beam
  • the second signal is all or part of the signal in the SS block
  • the second beam is a wider beam.
  • the terminal may first perform at least one measurement process for implementing downlink beam management or mobility management on the CSI-RS on the first beam, when the terminal measures the CSI-RS. If the parameter information of the terminal and/or the terminal satisfies the condition, for example, the measurement result indicates that the channel quality obtained by the measurement on the first beam is poor, and/or, when the terminal moves at a faster speed, the terminal is pre-configured or according to the access network device. Instructing to initiate at least one of all or part of the signals in the SS block on the second beam for implementing measurement procedures for downlink beam management or mobility management.
  • the first signal is all or part of the signal in the SS block
  • the first beam is a narrower beam
  • the second signal is a CSI-RS
  • the second beam is a wider beam.
  • the terminal may perform at least one measurement process for implementing downlink beam management or mobility management on the second beam on the second beam, when the terminal measures the CSI-RS.
  • the terminal starts to perform at least one of all or part of the signals in the SS block on the first beam according to the pre-configuration or according to the indication of the access network device, for implementing downlink beam management or moving.
  • the first signal is a CSI-RS
  • the first beam is a narrower beam
  • the second signal is all or part of the signal in the SS block
  • the second beam is a wider beam.
  • the terminal may first perform at least one measurement process of all or part of the signals in the SS block for implementing downlink beam management or mobility management on the second beam, when the terminal pairs the SS
  • the terminal starts to implement at least one of the CSI-RSs on the first beam according to the pre-configuration or according to the indication of the access network device.
  • Downlink beam management or mobility management measurement process is the terminal.
  • the terminal performs cooperative measurement on two different signals in a certain management process, reduces unnecessary measurement processes, and reduces signal measurement while ensuring measurement performance. The number of times, thereby reducing the measurement time required for signal measurement, reducing hardware resource consumption, and improving measurement efficiency.
  • the terminal when a certain management process is implemented, the terminal can simultaneously start or stop the measurement process of another signal when starting the measurement process of one signal, without simultaneously requiring a management process. Two different signals are measured.
  • FIG. 9 is a flowchart of a method for measuring a signal provided by an embodiment of the present invention. This embodiment is exemplified by applying the signal measurement method to the mobile communication system shown in FIG. 1. The method includes:
  • Step 901 The terminal starts at least one measurement process of the first signal sent by the access network device.
  • Step 902 The terminal starts or stops at least one measurement of the second signal sent by the access network device. a process; at least one measurement process of the first signal corresponds to at least one measurement process of the second signal.
  • the measurement result of the terminal at least one measurement process of the first signal and the measurement result of the terminal at least one measurement process of the second signal are used to implement the same function, for example, both for implementing downlink beam management or mobility. management.
  • the terminal may start or stop at least one measurement process of the second signal sent by the access network device by using a pre-configuration.
  • the terminal may pre-configure a correspondence between at least one measurement process of the first signal and at least one measurement process of the second signal.
  • the terminal When at least one measurement process of the first signal is activated, the terminal according to the The pre-configured correspondence automatically initiates at least one measurement of the second signal.
  • the terminal before receiving or stopping at least one measurement process of the second signal sent by the access network device, the terminal receives the measurement configuration and/or the activation command sent by the access network device; the terminal according to the measurement configuration and/or the activation command And at least one measuring process of starting or stopping the second signal sent by the access network device.
  • the access network device may send the measurement configuration and/or the activation command to the terminal, in the embodiment of the present invention, the measurement configuration and/or the activation command may be Instructing the terminal to initiate at least one measurement process of the second signal sent by the access network device may also instruct the terminal to stop at least one measurement process of the second signal transmitted by the access network device. For example, when the measurement configuration is not empty, the terminal is instructed to initiate at least one measurement process of the second signal sent by the access network device, and when the measurement configuration is empty, the terminal is instructed to stop the second signal sent by the access network device.
  • At least one measurement process or, when the activation command is 1, instructing the terminal to initiate at least one measurement process of the second signal sent by the access network device, and when the activation command is 0, instructing the terminal to stop transmitting to the access network device At least one measurement process of the second signal.
  • the first signal is part or all of the signals in the synchronization signal block SS block, and the second signal is a channel state information reference signal CSI-RS; or the first signal is CSI-RS, and the second signal is in the SS block. Part or all of the signal.
  • the terminal performs cooperative measurement on two different signals in a certain management process, reduces unnecessary measurement processes, and reduces signal measurement while ensuring measurement performance. The number of times, thereby reducing the measurement time required for signal measurement, reducing hardware resource consumption, and improving measurement efficiency.
  • FIG. 10 is a schematic structural diagram of a signal measuring apparatus according to an embodiment of the present invention.
  • the signal measuring device can be implemented as all or part of the terminal by software, hardware, and a combination of the two.
  • the signal measuring device comprises: a measuring unit 10901;
  • the measuring unit 1001 is configured to perform the steps related to signal measurement performed by the terminal in FIG. 4, FIG. 6 to FIG. 8 above;
  • the signal measuring device may further include: a receiving unit 1002;
  • the receiving unit 1002 is configured to perform the steps of configuration information and/or instruction reception performed by the terminal in FIG. 4, FIG. 6 to FIG. 8 described above.
  • FIG. 11 is a schematic structural diagram of a receiving end device according to an exemplary embodiment of the present invention.
  • the receiving end device includes: a processor 21 , a transceiver 22 , a memory 24 , and a bus 25 .
  • the processor 21 includes one or more processing cores, and the processor 21 executes various functional applications and information processing by running software programs and modules.
  • the transceiver 22 can be implemented as a communication component.
  • the communication component can be a communication chip.
  • the communication chip can include a receiving module, a transmitting module, a modem module, etc., for modulating and/or demodulating information.
  • the wireless signal receives or transmits the information.
  • the memory 24 is connected to the processor 21 via a bus 25.
  • Memory 24 can be used to store software programs as well as modules.
  • the memory 24 can store at least one of the application modules 26 described by the functions.
  • the application module 26 can include a measurement module 261; optionally, the application module 26 can also include a receiving module 262.
  • the processor 21 is configured to execute the measurement module 261 to implement the functions of the signal measurement steps in the foregoing various method embodiments; the processor 21 is configured to execute the receiving module 262 to implement the configuration information and/or the instruction receiving step in the foregoing various method embodiments. The function.
  • memory 24 can be implemented by any type of volatile or non-volatile memory device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable In addition to Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • the embodiment of the invention further provides a signal measurement system, which can include a terminal and an access network device.
  • the terminal may include the signal measuring device provided in FIG. 11 above.
  • the functions described in the embodiments of the present invention may be implemented in hardware, software, firmware, or any combination thereof.
  • the functions may be stored in a computer readable medium or transmitted as one or more instructions or code on a computer readable medium.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.

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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un dispositif de mesure de signal, un terminal et un système, se rapportant au domaine des communications. Le procédé comprend les étapes suivantes : un terminal exécute au moins un processus de mesure sur un premier signal envoyé par un dispositif de réseau d'accès; lorsque des informations de paramètre correspondant au terminal répondent à une condition prédéfinie, le terminal lance au moins un processus de mesure sur un second signal envoyé par le dispositif de réseau d'accès. Le procédé et le terminal effectuent des mesures coordonnées sur deux signaux différents dans un certain processus de gestion, réduisent les processus inutiles de mesure et réduisent le nombre de mesures de signal tout en garantissant de bonnes performances de mesure, ce qui permet d'obtenir les effets de réduction du temps de mesure requis pour des mesures de signal, de diminution de la consommation de ressources matérielles et d'augmentation de l'efficacité des mesures.
PCT/CN2017/077357 2017-03-20 2017-03-20 Procédé et appareil de mesure de signal, terminal et système WO2018170693A1 (fr)

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CN201780047181.5A CN109565739B (zh) 2017-03-20 2017-03-20 信号测量方法、装置、终端及系统

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WO2011157224A1 (fr) * 2010-06-17 2011-12-22 Mediatek Inc. Configuration de mesure dans des systèmes de communication sans fil ofdma multi-porteuses
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CN104349330A (zh) * 2013-08-05 2015-02-11 中兴通讯股份有限公司 一种辅助多模终端发现通信机会的方法、系统及设备
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WO2011157224A1 (fr) * 2010-06-17 2011-12-22 Mediatek Inc. Configuration de mesure dans des systèmes de communication sans fil ofdma multi-porteuses
CN102469542A (zh) * 2010-11-18 2012-05-23 中国移动通信有限公司 多模终端的网络重选方法、多模终端及基站
CN104349330A (zh) * 2013-08-05 2015-02-11 中兴通讯股份有限公司 一种辅助多模终端发现通信机会的方法、系统及设备
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