CN113543043B - Transmission method, terminal and network side device for multicast broadcast service - Google Patents

Abstract

Embodiments of the present invention provide a method for transmitting a multicast broadcast service, a terminal, and a network-side device. The method for transmitting a multicast broadcast service applied to a terminal includes: reporting the indication information of the MBS that the terminal is interested in; receiving a first auxiliary service Configuration information of the cell group, the first secondary cell group is only used for sending MBS; according to the configuration information, the MBS that the terminal is interested in is received on the broadcast control channel of the first secondary cell group. In this embodiment of the present invention, a first secondary cell group is configured for the terminal, and the first secondary cell group is exclusively used for the transmission of MBS and is not used for the transmission of other common service data, and there is no need to establish a wireless connection between the terminal and the first secondary cell group. The terminal receives the interested MBS through the broadcast control channel of the first secondary cell group, thereby effectively saving limited radio bearer resources.

Description

Transmission method, terminal and network side device for multicast broadcast service

technical field

Embodiments of the present invention relate to the field of wireless communication technologies, and in particular, to a method, terminal, and network-side device for transmitting a multicast broadcast service.

Background technique

The Multi-cast Broadcast Service (MBS) service of Long Term Evolution (LTE) can be broadcast on a Master Cell Group (Master Cell Group, MCG) and a Secondary Cell Group (Secondary Cell Group, SCG), wherein, The establishment of the secondary cell group must be realized along with the establishment of a radio bearer (Radio Bearer, RB), and the secondary cell group broadcasts the MBS on the radio bearer dedicated to the MBS.

Since a terminal (User Equipment, UE, also referred to as user equipment) does not need uplink transmission when receiving MBS, establishing a radio bearer is not conducive to saving radio bearer resources.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a multicast broadcast service transmission method, terminal and network side device, which are used to solve the existing problem that establishing a radio bearer when broadcasting MBS through a secondary cell group is not conducive to saving radio bearer resources.

In order to solve the above-mentioned technical problems, the present invention is achieved in this way:

In a first aspect, an embodiment of the present invention provides a method for transmitting a multicast broadcast service, which is applied to a terminal, including:

reporting the indication information of the MBS that the terminal is interested in;

receiving configuration information of a first secondary cell group, where the first secondary cell group is only used for MBS transmission;

According to the configuration information, the MBS that the terminal is interested in is received on the broadcast control channel of the first secondary cell group.

In a second aspect, an embodiment of the present invention provides a method for transmitting a multicast broadcast service, which is applied to a network side device, including:

receiving the indication information of the MBS that the terminal is interested in;

Send request information to the target node, where the request information is used to request to establish or update or change the first secondary cell group of the terminal, the first secondary cell group is only used for sending MBS, and the request information includes all the indication information of the MBS that the terminal is interested in;

receiving feedback information of the request information sent by the target node, where the feedback information includes configuration information of the first secondary cell group;

The configuration information of the first secondary cell group is sent to the terminal.

In a third aspect, an embodiment of the present invention provides a method for transmitting a multicast broadcast service, which is applied to a network side device, including:

Receive request information, where the request information is used to request the network side device to establish or update or change the first secondary cell group of the terminal, the first secondary cell group is only used for sending MBS, and the request information includes all the indication information of the MBS that the terminal is interested in;

establishing or updating or changing the first secondary cell group according to the request information;

Send feedback information of the request information to the source node, where the feedback information includes configuration information of the first secondary cell group.

In a fourth aspect, an embodiment of the present invention provides a terminal, including:

a reporting module, configured to report the indication information of the MBS that the terminal is interested in;

a first receiving module, configured to receive configuration information of a first secondary cell group, where the first secondary cell group is only used for MBS transmission;

The second receiving module is configured to receive, according to the configuration information, the MBS that the terminal is interested in on the broadcast control channel of the first secondary cell group.

In a fifth aspect, an embodiment of the present invention provides a network side device, including:

a third receiving module, configured to receive the indication information of the MBS that the terminal is interested in;

a first sending module, configured to send request information to the target node, where the request information is used to request to establish or update or change a first secondary cell group of the terminal, and the first secondary cell group is only used for MBS transmission, The request information includes indication information of the MBS that the terminal is interested in;

a fourth receiving module, configured to receive feedback information of the request information sent by the target node, where the feedback information includes configuration information of the first secondary cell group;

The second sending module is configured to send the configuration information of the first secondary cell group to the terminal.

In a sixth aspect, an embodiment of the present invention provides a network side device, including:

a receiving module, configured to receive request information, where the request information is used to request the network side device to establish or update or change the first secondary cell group of the terminal, the first secondary cell group is only used for sending MBS, the The request information includes indication information of the MBS that the terminal is interested in;

an execution module, configured to establish or update or change the first secondary cell group according to the request information;

A sending module, configured to send feedback information of the request information to the source node, where the feedback information includes configuration information of the first secondary cell group.

In a seventh aspect, an embodiment of the present invention provides a terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, when the computer program is executed by the processor The steps of implementing the method for transmitting the multicast broadcast service of the first aspect above.

In an eighth aspect, an embodiment of the present invention provides a network-side device, including a processor, a memory, and a computer program stored on the memory and running on the processor, the computer program being executed by the processor When executed, the steps of implementing the method for transmitting a multicast broadcast service of the second aspect; or, when the computer program is executed by the processor, implementing the steps of the method for transmitting a multicast broadcast service of the third aspect.

In a ninth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, realizes the multicast broadcasting service of the first aspect above. Steps of the transmission method; or, when the computer program is executed by the processor, implements the steps of the transmission method for the multicast broadcast service of the second aspect above; or, when the computer program is executed by the processor. The steps of the transmission method of the broadcast broadcast service.

In this embodiment of the present invention, a first secondary cell group is configured for the terminal, and the first secondary cell group is exclusively used for the transmission of MBS and is not used for the transmission of other common service data, and there is no need to establish a relationship between the terminal and the first secondary cell group Radio bearer, the terminal receives the interested MBS through the broadcast control channel of the first secondary cell group, so that limited radio bearer resources can be effectively saved.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be considered limiting of the invention. Also, the same components are denoted by the same reference numerals throughout the drawings. In the attached image:

FIG. 1 is a schematic structural diagram of a wireless communication system according to an embodiment of the present invention;

2 is a schematic flowchart of a method for transmitting a multicast broadcast service applied to a terminal according to an embodiment of the present invention;

3 is a schematic flowchart of a method for transmitting a multicast broadcast service applied to a network side device according to an embodiment of the present invention;

4 is a schematic flowchart of a method for transmitting a multicast broadcast service applied to a network side device according to another embodiment of the present invention;

5 is a schematic flowchart of a method for transmitting a multicast broadcast service applied to a scenario of a single master node and a single slave node according to an embodiment of the present invention;

6 is a schematic flowchart of a method for transmitting a multicast broadcast service applied to a master node switching scenario according to an embodiment of the present invention;

7 is a schematic flowchart of a method for transmitting a multicast broadcast service applied to a secondary node switching scenario according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a network side device according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a network side device according to another embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a terminal according to another embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a terminal according to another embodiment of the present invention;

13 is a schematic structural diagram of a network side device according to another embodiment of the present invention;

FIG. 14 is a schematic structural diagram of a network side device according to still another embodiment of the present invention.

Detailed ways

The term "comprising" and any variations thereof in the description and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to the explicit Those steps or units are explicitly listed, but may include other steps or units not expressly listed or inherent to the process, method, product or apparatus. In addition, the use of "and/or" in the description and the claims indicates at least one of the connected objects, such as A and/or B, indicating that there are three cases including A alone, B alone, and both A and B.

In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as an example, illustration or illustration. Any embodiments or designs described as "exemplary" or "such as" in the embodiments of the present invention should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present the related concepts in a specific manner.

Embodiments of the present invention will be described below with reference to the accompanying drawings. The transmission method, terminal, and network-side device for a multicast broadcast service provided by the embodiments of the present invention can be applied to a wireless communication system. The wireless communication system may adopt a 5G system, or an Evolved Long Term Evolution (Evolved Long Term Evolution, eLTE) system, or a subsequent evolved communication system.

Referring to FIG. 1 , it is a schematic structural diagram of a wireless communication system according to an embodiment of the present invention. As shown in FIG. 1 , the wireless communication system may include: a network-side device 11, a network-side device 12, and a terminal 13, wherein the terminal 13 can be connected to the network-side device 11 and the network-side device 12 at the same time, and the network-side device 11 is the main node, the network side device 12 acts as a secondary node. In practical applications, the connection between the above-mentioned various devices may be wireless connection. In order to conveniently and intuitively represent the connection relationship between the various devices, a solid line is used in FIG. 1 for illustration.

It should be noted that the above communication system may include multiple terminals 13, and network side devices 11 and 12 may communicate with multiple terminals 13 (transmit signaling or transmit data).

The network side devices 11 and 12 provided in the embodiments of the present invention may be base stations, and the base station may be a commonly used base station, an evolved node base station (eNB), or a network side device in a 5G system (For example, next generation node base station (gNB) or transmission and reception point (transmission and reception point, TRP)) or cell and other equipment. Or a network-side device in a subsequent evolved communication system.

The terminal 13 provided in the embodiment of the present invention may be a mobile phone, a tablet computer, a notebook computer, an Ultra-Mobile Personal Computer (UMPC), a netbook, or a Personal Digital Assistant (PDA).

Please refer to FIG. 2. FIG. 2 is a schematic flowchart of a method for transmitting a multicast broadcast service according to an embodiment of the present invention. The method for transmitting a multicast broadcast service is applied to a terminal, including:

Step 21: reporting the indication information of the MBS that the terminal is interested in;

Step 22: Receive configuration information of a first secondary cell group, where the first secondary cell group is only used for MBS transmission;

Step 23: According to the configuration information, receive the MBS that the terminal is interested in on the broadcast control channel of the first secondary cell group.

In a related solution, when the MBS is sent through the secondary cell group, it needs to be sent on a Downlink Shared Channel (DL-SCH) by establishing a Data Radio Bearer (DRB). In this embodiment of the present invention, by establishing a dedicated first secondary cell group for the terminal, the first secondary cell group is exclusively used for MBS transmission and is not used for the transmission of other common service data. There is no need to establish a radio bearer, and the terminal receives the MBS of interest through the Broadcast Control Channel (BCCH) of the first secondary cell group (the physical layer is still the downlink shared channel at this time), thereby effectively saving limited radio bearer resources .

Optionally, the indication information of the MBS that the terminal is interested in includes at least one of the following:

Service information of the MBS that the terminal is interested in;

the frequency point corresponding to the MBS that the terminal is interested in;

The cell corresponding to the MBS that the terminal is interested in.

Optionally, the service information of the MBS that the terminal is interested in includes at least one of the following:

the service identifier of the MBS that the terminal is interested in; for example, a temporary mobile group identifier (Temporary MobileGroup Identifier, TMGI);

the service cell identifier (Service Area ID, SAI) of the MBS that the terminal is interested in;

a QoS flow identifier of the MBS that the terminal is interested in;

a session control (session) identifier of the MBS that the terminal is interested in;

The bearer identifier corresponding to the MBS that the terminal is interested in; for example, DRB-1, MRB-1, etc.;

the logical channel identifier corresponding to the MBS that the terminal is interested in; for example, TMGI corresponds to logical channel-1;

The scheduling identifier corresponding to the MBS that the terminal is interested in. For example, the PDCCH identified by the G-RNTI is used to schedule MBS service-1.

Please refer to FIG. 3. FIG. 3 is a schematic flowchart of a method for transmitting a multicast broadcast service according to an embodiment of the present invention. The method for transmitting a multicast broadcast service is applied to a network side device, including:

Step 31: Receive indication information of the MBS that the terminal is interested in;

Step 32: Send request information to the target node, where the request information is used to request the establishment, update or change of the first secondary cell group of the terminal, the first secondary cell group is only used for sending MBS, and the request information including the indication information of the MBS that the terminal is interested in;

Wherein, establishing the first secondary cell group means newly establishing the first secondary cell group; updating the first secondary cell group means updating at least part of the configuration information of the first secondary cell; changing the first secondary cell group means changing the original first secondary cell group The secondary cell group is changed to the target first secondary cell group, for example, the first secondary cell group is changed due to the movement of the terminal.

When the handover of the primary cell group is involved, the request information may be handover request information for requesting the handover of the primary cell group.

When the handover of the secondary node is involved, the request information may be handover request information for requesting the handover of the secondary node.

Step 33: Receive feedback information of the request information sent by the target node, where the feedback information includes configuration information of the first secondary cell group;

Step 34: Send the configuration information of the first secondary cell group to the terminal.

In this embodiment of the present invention, a first secondary cell group is configured for the terminal, and the first secondary cell group is exclusively used for the transmission of MBS and is not used for the transmission of other common service data, and there is no need to establish a wireless connection between the terminal and the first secondary cell group. The terminal receives the interested MBS through the broadcast control channel of the first secondary cell group, thereby effectively saving limited radio bearer resources.

The above-mentioned network side device may be referred to as a source node, and the source node may be:

Master node (Master node, MN);

or

Secondary node (Secondary node, SN).

The above target node is a secondary node.

In some embodiments of the present invention, optionally, the request information does not include information requiring establishment of a data radio bearer, that is, the target node is implicitly instructed to establish or update or change the first secondary cell of the terminal Group.

Or, in some other embodiments of the present invention, optionally, the target node may also be instructed to establish or update or change the first secondary cell group of the terminal by displaying, that is, the request information includes instructions for indicating The target node establishes or updates or changes the indication information of the first secondary cell group of the terminal. For example, a 1-bit (bit) information display indication may be used.

Optionally, the indication information of the MBS that the terminal is interested in includes at least one of the following:

Service information of the MBS that the terminal is interested in;

the frequency point corresponding to the MBS that the terminal is interested in;

The cell corresponding to the MBS that the terminal is interested in.

Optionally, the service information of the MBS that the terminal is interested in includes at least one of the following:

the service identifier of the MBS that the terminal is interested in;

the serving cell identifier of the MBS that the terminal is interested in;

the QoS flow identifier of the MBS that the terminal is interested in;

the session control identifier of the MBS that the terminal is interested in;

the bearer identifier corresponding to the MBS that the terminal is interested in;

the logical channel identifier corresponding to the MBS that the terminal is interested in;

The scheduling identifier corresponding to the MBS that the terminal is interested in.

Please refer to FIG. 4. FIG. 4 is a schematic flowchart of a method for transmitting a multicast broadcast service according to an embodiment of the present invention. The method for transmitting a multicast broadcast service is applied to a network side device, including:

Step 41: Receive request information, where the request information is used to request the network side device to establish or update or change the first secondary cell group of the terminal, the first secondary cell group is only used for sending MBS, the request information including the indication information of the MBS that the terminal is interested in;

Step 42: According to the request information, establish or update or change the first secondary cell group;

Step 43: Send feedback information of the request information to the source node, where the feedback information includes configuration information of the first secondary cell group.

In this embodiment of the present invention, a first secondary cell group is configured for the terminal, and the first secondary cell group is exclusively used for the transmission of MBS and is not used for the transmission of other common service data, and there is no need to establish a wireless connection between the terminal and the first secondary cell group. The terminal receives the interested MBS through the broadcast control channel of the first secondary cell group, thereby effectively saving limited radio bearer resources.

Optionally, the configuration information includes at least one of the following:

the cell corresponding to the MBS that the terminal is interested in;

Control information corresponding to the MBS that the terminal is interested in; for example, system information block (System Information Block, SIB) and/or Multicast Control Channel (Multicast Control Channel, MCCH) control information for MBS reception;

Resource configuration information corresponding to the MBS that the terminal is interested in; for example, resource configuration information in a time domain, a frequency domain and/or a space domain.

The above-mentioned feedback information does not carry the configuration information of data reception of other services except the MBS. Optionally, the configuration information does not include the configuration information of the data radio bearer.

The method for transmitting a multicast broadcast service according to the embodiment of the present invention will be described below with reference to specific application scenarios.

Example 1

Referring to FIG. 5 , an application scenario of the embodiment of the present invention is: an application scenario of a single master node (MN) and a single slave node (SN), that is, the source node is the master node, and the target node is the slave node.

Step 51: The source node (primary node) sends request information to the target node (secondary node), wherein the request information is used to request to establish or update or change the first secondary cell group of the terminal, the first secondary cell The group is only used for sending MBS, and the request information includes the indication information of the MBS that the terminal is interested in;

The indication information of the MBS that the terminal is interested in includes at least one of the following:

Service information of the MBS that the terminal is interested in;

the frequency point corresponding to the MBS that the terminal is interested in;

The cell corresponding to the MBS that the terminal is interested in.

Step 52: If the target node (secondary node) agrees to the request of the source node (primary node), according to the request information, establish or update or change the first secondary cell group, and send the request information to the source node The feedback information includes the configuration information of the first secondary cell group.

Optionally, the configuration information includes at least one of the following:

the cell corresponding to the MBS that the terminal is interested in;

Control information corresponding to the MBS that the terminal is interested in; for example, system information block (SIB) and/or multicast control channel (MCCH) control information for MBS reception;

Resource configuration information corresponding to the MBS that the terminal is interested in; for example, resource configuration information in a time domain, a frequency domain and/or a space domain.

Step 53: The source node (master node) sends the configuration information of the first secondary cell group to the terminal, where the configuration information does not include the configuration information of the data radio bearer (DRB).

Step 54: Receive the MBS that the terminal is interested in from the target node (secondary node) according to the configuration information, specifically, receive the MBS that the terminal is interested in on the broadcast control channel of the first secondary cell group.

Embodiment 2

Referring to FIG. 6 , an application scenario of the embodiment of the present invention is an application scenario of a master cell group (MCG) handover. The so-called switching of the primary cell group refers to the switching of the serving cell of the terminal, that is, switching from the source primary node to the target primary node. The target primary node needs to send the request information to the secondary node again to request the configuration of the first secondary cell. information and send it to the terminal.

Step 61: The source node SMN (source master node) sends handover request information to the target master node TMN, wherein the handover request information is used to request the handover of the master node and the establishment or update or change of the first secondary cell group of the terminal, so The first secondary cell group is only used for sending MBS, and the handover request information includes indication information of the MBS that the terminal is interested in;

The indication information of the MBS that the terminal is interested in includes at least one of the following:

Service information of the MBS that the terminal is interested in;

the frequency point corresponding to the MBS that the terminal is interested in;

The cell corresponding to the MBS that the terminal is interested in.

Step 62: The target master node TMN sends handover request information to the secondary node SN, where the handover request information is used to request the handover of the master node and the establishment of the first secondary cell group of the terminal, and the handover request information includes the sense of the terminal. Indicative information of the MBS of interest;

Step 63: If the secondary node SN agrees to the request of the target master node TMN, establish or update or change the first secondary cell group according to the handover request information, and send the handover request information to the target master node TMN. feedback information, where the feedback information includes configuration information of the first secondary cell group.

Optionally, the configuration information includes at least one of the following:

the cell corresponding to the MBS that the terminal is interested in;

Control information corresponding to the MBS that the terminal is interested in; for example, system information block (SIB) and/or multicast control channel (MCCH) control information for MBS reception;

Resource configuration information corresponding to the MBS that the terminal is interested in; for example, resource configuration information in a time domain, a frequency domain and/or a space domain.

The configuration information does not include data radio bearer (DRB) configuration information.

Step 64: The target master node notifies the source master node of the information agreeing to switch;

Steps 65-66: interaction between the source master node SMN and the secondary node SN to release the resources allocated by the secondary node SN to the source master node SMN;

If the radio bearer is configured, the radio bearer is released; if the radio bearer is not configured, the broadcast channel also needs to be released;

Step 67: The target master node TMN sends the configuration information of the first secondary cell group to the terminal, where the configuration information does not include the configuration information of the data radio bearer (DRB).

Step 68: The terminal receives the MBS that the terminal is interested in from the secondary node SN according to the configuration information, and specifically, receives the MBS that the terminal is interested in on the broadcast control channel of the first secondary cell group.

Embodiment 3

Referring to FIG. 7 , an application scenario of the embodiment of the present invention is an application scenario of secondary node switching.

Step 71: The source node MN (master node) sends request information to the target node TSN (target secondary node), wherein the request information is used to establish the first secondary cell group of the terminal, and the first secondary cell group is only used for Sending of the MBS, where the handover request information includes indication information of the MBS that the terminal is interested in;

The indication information of the MBS that the terminal is interested in includes at least one of the following:

Service information of the MBS that the terminal is interested in;

the frequency point corresponding to the MBS that the terminal is interested in;

The cell corresponding to the MBS that the terminal is interested in.

Step 72: If the target secondary node TSN agrees to the request of the primary node MN, establishes the first secondary cell group according to the request information, and sends feedback information of the request information to the primary node MN, the feedback information includes configuration information of the first secondary cell group.

Optionally, the configuration information includes at least one of the following:

the cell corresponding to the MBS that the terminal is interested in;

Control information corresponding to the MBS that the terminal is interested in; for example, system information block (SIB) and/or multicast control channel (MCCH) control information for MBS reception;

Resource configuration information corresponding to the MBS that the terminal is interested in; for example, resource configuration information in a time domain, a frequency domain and/or a space domain.

The configuration information does not include data radio bearer (DRB) configuration information.

Steps 73-74: the interaction between the master node MN and the source auxiliary node SSN to release the resources allocated by the source auxiliary node SSN to the master node SMN;

If the radio bearer is configured, the radio bearer is released; if the radio bearer is not configured, the broadcast channel also needs to be released;

Step 75: The master node MN sends the configuration information of the first secondary cell group to the terminal, where the configuration information does not include the configuration information of the data radio bearer (DRB).

Step 76: The terminal receives the MBS that the terminal is interested in from the target secondary node TSN according to the configuration information, and specifically, receives the MBS that the terminal is interested in on the broadcast control channel of the first secondary cell group.

The above-mentioned method for transmitting a multicast broadcast service in the embodiment of the present invention can be applied to communication systems such as 5G and LTE, and can also be applied to an Internet of Things system that only needs downlink.

Referring to FIG. 8, an embodiment of the present invention further provides a terminal 80, including:

a reporting module 81, configured to report the indication information of the MBS that the terminal is interested in;

a first receiving module 82, configured to receive configuration information of a first secondary cell group, where the first secondary cell group is only used for MBS transmission;

The second receiving module 83 is configured to receive, according to the configuration information, the MBS that the terminal is interested in on the broadcast control channel of the first secondary cell group.

In this embodiment of the present invention, by establishing a dedicated first secondary cell group for the terminal, the first secondary cell group is exclusively used for MBS transmission and is not used for the transmission of other common service data. Without establishing a radio bearer, the terminal receives the MBS of interest through the broadcast control channel of the first secondary cell group, thereby effectively saving limited radio bearer resources.

Optionally, the indication information of the MBS that the terminal is interested in includes at least one of the following:

Service information of the MBS that the terminal is interested in;

the frequency point corresponding to the MBS that the terminal is interested in;

The cell corresponding to the MBS that the terminal is interested in.

Optionally, the service information of the MBS that the terminal is interested in includes at least one of the following:

the service identifier of the MBS that the terminal is interested in;

the serving cell identifier of the MBS that the terminal is interested in;

the QoS flow identifier of the MBS that the terminal is interested in;

the session control identifier of the MBS that the terminal is interested in;

the bearer identifier corresponding to the MBS that the terminal is interested in;

the logical channel identifier corresponding to the MBS that the terminal is interested in;

The scheduling identifier corresponding to the MBS that the terminal is interested in.

The terminal provided in the embodiment of the present invention can implement each process implemented by the terminal in the method embodiment of FIG. 2 , which is not repeated here to avoid repetition.

Referring to FIG. 9, an embodiment of the present invention further provides a network side device 90, including:

a third receiving module 91, configured to receive indication information of the MBS that the terminal is interested in;

The first sending module 92 is configured to send request information to the target node, where the request information is used to request to establish or update or change the first secondary cell group of the terminal, and the first secondary cell group is only used for sending MBS , the request information includes indication information of the MBS that the terminal is interested in;

a fourth receiving module 93, configured to receive feedback information of the request information sent by the target node, where the feedback information includes configuration information of the first secondary cell group;

The second sending module 94 is configured to send the configuration information of the first secondary cell group to the terminal.

Optionally, the request information does not include information required to establish a data radio bearer;

or

The request information includes indication information for instructing the target node to establish, update or change the first secondary cell group of the terminal.

Optionally, the indication information of the MBS that the terminal is interested in includes at least one of the following:

Service information of the MBS that the terminal is interested in;

the frequency point corresponding to the MBS that the terminal is interested in;

The cell corresponding to the MBS that the terminal is interested in.

Optionally, the service information of the MBS that the terminal is interested in includes at least one of the following:

the service identifier of the MBS that the terminal is interested in;

the serving cell identifier of the MBS that the terminal is interested in;

the QoS flow identifier of the MBS that the terminal is interested in;

the session control identifier of the MBS that the terminal is interested in;

the bearer identifier corresponding to the MBS that the terminal is interested in;

the logical channel identifier corresponding to the MBS that the terminal is interested in;

The scheduling identifier corresponding to the MBS that the terminal is interested in.

The terminal provided in this embodiment of the present invention can implement each process implemented by the network side device in the method embodiment of FIG. 3 , and to avoid repetition, details are not described here.

Referring to FIG. 10, an embodiment of the present invention further provides a network side device 100, including:

The receiving module 101 is configured to receive request information, where the request information is used to request the network side device to establish or update or change the first secondary cell group of the terminal, where the first secondary cell group is only used for sending MBS, so The request information includes indication information of the MBS that the terminal is interested in;

An execution module 102, configured to establish or update or change the first secondary cell group according to the request information;

The sending module 103 is configured to send feedback information of the request information to the source node, where the feedback information includes configuration information of the first secondary cell group.

Optionally, the configuration information includes at least one of the following:

the cell corresponding to the MBS that the terminal is interested in;

Control information corresponding to the MBS that the terminal is interested in;

Resource configuration information corresponding to the MBS that the terminal is interested in.

Optionally, the configuration information does not include configuration information of the data radio bearer.

The terminal provided in the embodiment of the present invention can implement each process implemented by the network-side device in the method embodiment of FIG. 4 , which is not repeated here to avoid repetition.

11 is a schematic diagram of the hardware structure of a terminal implementing various embodiments of the present invention. The terminal 110 includes but is not limited to: a radio frequency unit 111, a network module 112, an audio output unit 113, an input unit 114, a sensor 115, a display unit 116, The user input unit 117, the interface unit 118, the memory 119, the processor 1110, and the power supply 1111 and other components. Those skilled in the art can understand that the terminal structure shown in FIG. 11 does not constitute a limitation on the terminal, and the terminal may include more or less components than the one shown, or combine some components, or arrange different components. In the embodiment of the present invention, the terminal includes but is not limited to a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.

The radio frequency unit 111 is configured to report the indication information of the MBS that the terminal is interested in; and receive the configuration information of the first secondary cell group, and the first secondary cell group is only used for sending MBS;

The processor 1110 is configured to, according to the configuration information, use the radio frequency unit 111 to receive the MBS that the terminal is interested in on the broadcast control channel of the first secondary cell group.

The terminal provided in the embodiment of the present invention can implement each process implemented by the terminal in the method embodiment of FIG. 2 , and to avoid repetition, details are not repeated here.

It should be understood that, in this embodiment of the present invention, the radio frequency unit 111 can be used for receiving and sending signals during sending and receiving of information or during a call. Specifically, after receiving the downlink data from the base station, it is processed by the processor 1110; The uplink data is sent to the base station. Generally, the radio frequency unit 111 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 111 can also communicate with the network and other devices through a wireless communication system.

The terminal provides the user with wireless broadband Internet access through the network module 112, such as helping the user to send and receive emails, browse web pages, and access streaming media.

The audio output unit 113 may convert audio data received by the radio frequency unit 111 or the network module 112 or stored in the memory 119 into audio signals and output as sound. Also, the audio output unit 113 may also provide audio output related to a specific function performed by the terminal 110 (eg, call signal reception sound, message reception sound, etc.). The audio output unit 113 includes a speaker, a buzzer, a receiver, and the like.

The input unit 114 is used to receive audio or video signals. The input unit 114 may include a graphics processor (Graphics Processing Unit, GPU) 1141 and a microphone 1142, and the graphics processor 1141 captures images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode data is processed. The processed image frames may be displayed on the display unit 116 . The image frames processed by the graphics processor 1141 may be stored in the memory 119 (or other storage medium) or transmitted via the radio frequency unit 111 or the network module 112 . The microphone 1142 can receive sound and can process such sound into audio data. The processed audio data can be converted into a format that can be transmitted to a mobile communication base station via the radio frequency unit 111 for output in the case of a telephone call mode.

The terminal 110 also includes at least one sensor 115, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 1161 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 1161 and/or when the terminal 110 is moved to the ear. or backlight. As a type of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (generally three axes), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, The sensor 115 may also include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared Sensors, etc., will not be repeated here.

The display unit 116 is used to display information input by the user or information provided to the user. The display unit 116 may include a display panel 1161, and the display panel 1161 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 117 may be used to receive input numerical or character information, and generate key signal input related to user settings and function control of the terminal. Specifically, the user input unit 117 includes a touch panel 1171 and other input devices 1172 . The touch panel 1171, also known as a touch screen, can collect the user's touch operations on or near it (such as the user's finger, stylus, etc., any suitable object or attachment on or near the touch panel 1171). operate). The touch panel 1171 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it to the touch controller. To the processor 1110, the command sent by the processor 1110 is received and executed. In addition, the touch panel 1171 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch panel 1171 , the user input unit 117 may also include other input devices 1172 . Specifically, other input devices 1172 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.

Further, the touch panel 1171 can be covered on the display panel 1161. When the touch panel 1171 detects a touch operation on or near it, it transmits it to the processor 1110 to determine the type of the touch event, and then the processor 1110 determines the type of the touch event according to the touch The type of event provides corresponding visual output on display panel 1161 . Although in FIG. 11, the touch panel 1171 and the display panel 1161 are used as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 1171 and the display panel 1161 can be integrated to form a Realize the input and output functions of the terminal, which is not limited here.

The interface unit 118 is an interface for connecting an external device to the terminal 110 . For example, external devices may include wired or wireless headset ports, external power (or battery charger) ports, wired or wireless data ports, memory card ports, ports for connecting devices with identification modules, audio input/output (I/O) ports, video I/O ports, headphone ports, and more. The interface unit 118 may be used to receive input (eg, data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 110 or may be used between the terminal 110 and the external device. transfer data between.

The memory 119 may be used to store software programs as well as various data. The memory 119 may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, an application program (such as a sound playback function, an image playback function, etc.) required for at least one function, etc.; Data created by the use of the mobile phone (such as audio data, phone book, etc.), etc. Additionally, memory 119 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 1110 is the control center of the terminal, using various interfaces and lines to connect various parts of the entire terminal, by running or executing the software programs and/or modules stored in the memory 119, and calling the data stored in the memory 119. Various functions of the terminal and processing data, so as to monitor the terminal as a whole. The processor 1110 may include one or more processing units; preferably, the processor 1110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs, etc., and the modem The processor mainly handles wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1110.

The terminal 110 may also include a power supply 1111 (such as a battery) for supplying power to various components. Preferably, the power supply 1111 may be logically connected to the processor 1110 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. Function.

In addition, the terminal 110 includes some unshown functional modules, which are not repeated here.

Referring to FIG. 12 , an embodiment of the present invention further provides a terminal 121 , including a processor 1210 , a memory 122 , and a computer program stored in the memory 122 and running on the processor 1210 , the computer program being executed by the processor 1210 During execution, each process of the above-mentioned embodiment of the method for transmitting a multicast broadcast service applied to a terminal is implemented, and the same technical effect can be achieved. In order to avoid repetition, details are not described here.

Referring to FIG. 13, an embodiment of the present invention further provides a network-side device 130, including a processor 131, a memory 132, and a computer program stored in the memory 132 and running on the processor 131, the computer program being processed When the controller 131 executes, it implements each process of the above-mentioned embodiment of the method for transmitting multicast broadcast service applied to network side equipment (the embodiment corresponding to FIG. 3 ), and can achieve the same technical effect. To avoid repetition, details are not repeated here.

Referring to FIG. 14, an embodiment of the present invention further provides a network-side device 140, including a processor 141, a memory 142, and a computer program stored in the memory 142 and running on the processor 141, the computer program being processed When the device 141 executes, it implements each process of the above-mentioned embodiment of the method for transmitting multicast broadcast services applied to network-side devices (the embodiment corresponding to FIG. 4 ), and can achieve the same technical effect. To avoid repetition, details are not repeated here.

Embodiments of the present invention further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, each of the above-mentioned embodiments of the method for transmitting a multicast broadcast service applied to a terminal is implemented. process, and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.

Embodiments of the present invention further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the above-mentioned embodiment of the transmission method for a multicast broadcast service applied to a network-side device is implemented and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.

The computer-readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), a magnetic disk, or an optical disk.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

From the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solutions of the present invention can be embodied in the form of software products in essence or the parts that make contributions to the prior art, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk, CD), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present invention.

The embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of the present invention, without departing from the spirit of the present invention and the scope protected by the claims, many forms can be made, which all belong to the protection of the present invention.

Claims (21)

1. a transmission method for multicast broadcast service, applied to a terminal, is characterized in that, comprising: reporting the indication information of the multicast broadcast service MBS that the terminal is interested in; receiving configuration information of a first secondary cell group, where the first secondary cell group is only used for MBS transmission; receiving, according to the configuration information, the MBS that the terminal is interested in on the broadcast control channel of the first secondary cell group; The configuration information does not include configuration information of the data radio bearer. 2. The method according to claim 1, wherein the indication information of the MBS that the terminal is interested in comprises at least one of the following: Service information of the MBS that the terminal is interested in; the frequency point corresponding to the MBS that the terminal is interested in; The cell corresponding to the MBS that the terminal is interested in. 3. The method according to claim 2, wherein the service information of the MBS that the terminal is interested in comprises at least one of the following: the service identifier of the MBS that the terminal is interested in; the serving cell identifier of the MBS that the terminal is interested in; the QoS flow identifier of the quality of service flow of the MBS that the terminal is interested in; the session control identifier of the MBS that the terminal is interested in; the bearer identifier corresponding to the MBS that the terminal is interested in; the logical channel identifier corresponding to the MBS that the terminal is interested in; The scheduling identifier corresponding to the MBS that the terminal is interested in. 4. A method for transmitting a multicast broadcast service, applied to a network side device, characterized in that it comprises: receiving the indication information of the MBS that the terminal is interested in; Send request information to the target node, where the request information is used to request to establish or update or change the first secondary cell group of the terminal, the first secondary cell group is only used for sending MBS, and the request information includes all the indication information of the MBS that the terminal is interested in; receiving feedback information of the request information sent by the target node, where the feedback information includes configuration information of the first secondary cell group; sending the configuration information of the first secondary cell group to the terminal; The request information does not include information required to establish a data radio bearer. 5. The method of claim 4, wherein The request information includes indication information for instructing the target node to establish, update or change the first secondary cell group of the terminal. 6. The method according to claim 4, wherein the indication information of the MBS that the terminal is interested in comprises at least one of the following: Service information of the MBS that the terminal is interested in; the frequency point corresponding to the MBS that the terminal is interested in; The cell corresponding to the MBS that the terminal is interested in. 7. The method according to claim 6, wherein the service information of the MBS that the terminal is interested in comprises at least one of the following: the service identifier of the MBS that the terminal is interested in; the serving cell identifier of the MBS that the terminal is interested in; the QoS flow identifier of the MBS that the terminal is interested in; the session control identifier of the MBS that the terminal is interested in; the bearer identifier corresponding to the MBS that the terminal is interested in; the logical channel identifier corresponding to the MBS that the terminal is interested in; The scheduling identifier corresponding to the MBS that the terminal is interested in. 8. A method for transmitting a multicast broadcast service, applied to a network side device, characterized in that it comprises: Receive request information, where the request information is used to request the network side device to establish or update or change the first secondary cell group of the terminal, the first secondary cell group is only used for sending MBS, and the request information includes all the indication information of the MBS that the terminal is interested in; establishing or updating or changing the first secondary cell group according to the request information; sending feedback information of the request information to the source node, where the feedback information includes configuration information of the first secondary cell group; The configuration information does not include configuration information of the data radio bearer. 9. The method of claim 8, wherein the configuration information comprises at least one of the following: the cell corresponding to the MBS that the terminal is interested in; Control information corresponding to the MBS that the terminal is interested in; Resource configuration information corresponding to the MBS that the terminal is interested in. 10. A terminal, characterized in that, comprising: a reporting module, configured to report the indication information of the MBS that the terminal is interested in; a first receiving module, configured to receive configuration information of a first secondary cell group, where the first secondary cell group is only used for MBS transmission; a second receiving module, configured to receive, on the broadcast control channel of the first secondary cell group, the MBS that the terminal is interested in according to the configuration information; The configuration information does not include configuration information of the data radio bearer. 11. The terminal according to claim 10, wherein the indication information of the MBS that the terminal is interested in comprises at least one of the following: Service information of the MBS that the terminal is interested in; the frequency point corresponding to the MBS that the terminal is interested in; The cell corresponding to the MBS that the terminal is interested in. 12. The terminal according to claim 11, wherein the service information of the MBS that the terminal is interested in comprises at least one of the following: the service identifier of the MBS that the terminal is interested in; the serving cell identifier of the MBS that the terminal is interested in; the QoS flow identifier of the MBS that the terminal is interested in; the session control identifier of the MBS that the terminal is interested in; the bearer identifier corresponding to the MBS that the terminal is interested in; the logical channel identifier corresponding to the MBS that the terminal is interested in; The scheduling identifier corresponding to the MBS that the terminal is interested in. 13. A network side device, comprising: a third receiving module, configured to receive the indication information of the MBS that the terminal is interested in; a first sending module, configured to send request information to the target node, where the request information is used to request to establish or update or change a first secondary cell group of the terminal, and the first secondary cell group is only used for MBS transmission, The request information includes indication information of the MBS that the terminal is interested in; a fourth receiving module, configured to receive feedback information of the request information sent by the target node, where the feedback information includes configuration information of the first secondary cell group; a second sending module, configured to send the configuration information of the first secondary cell group to the terminal; The request information does not include information required to establish a data radio bearer. 14. The network side device according to claim 13, wherein, The request information includes indication information for instructing the target node to establish, update or change the first secondary cell group of the terminal. 15. The network-side device according to claim 13, wherein the indication information of the MBS that the terminal is interested in comprises at least one of the following: Service information of the MBS that the terminal is interested in; the frequency point corresponding to the MBS that the terminal is interested in; The cell corresponding to the MBS that the terminal is interested in. 16. The network side device according to claim 15, wherein the service information of the MBS that the terminal is interested in comprises at least one of the following: the service identifier of the MBS that the terminal is interested in; the serving cell identifier of the MBS that the terminal is interested in; the QoS flow identifier of the MBS that the terminal is interested in; the session control identifier of the MBS that the terminal is interested in; the bearer identifier corresponding to the MBS that the terminal is interested in; the logical channel identifier corresponding to the MBS that the terminal is interested in; The scheduling identifier corresponding to the MBS that the terminal is interested in. 17. A network side device, comprising: a receiving module, configured to receive request information, where the request information is used to request the network side device to establish or update or change the first secondary cell group of the terminal, the first secondary cell group is only used for sending MBS, the The request information includes indication information of the MBS that the terminal is interested in; an execution module, configured to establish or update or change the first secondary cell group according to the request information; a sending module, configured to send feedback information of the request information to the source node, where the feedback information includes configuration information of the first secondary cell group; The configuration information does not include configuration information of the data radio bearer. 18. The network side device according to claim 17, wherein the configuration information comprises at least one of the following: the cell corresponding to the MBS that the terminal is interested in; Control information corresponding to the MBS that the terminal is interested in; Resource configuration information corresponding to the MBS that the terminal is interested in. 19. A terminal, characterized in that it comprises a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program being executed by the processor to achieve the method as claimed in the claims Steps of the method for transmitting a multicast broadcast service described in any one of 1 to 3. 20. A network-side device, comprising a processor, a memory, and a computer program stored on the memory and running on the processor, the computer program being executed by the processor to achieve the following: The steps of the method for transmitting multicast broadcasting service according to any one of claims 4 to 7, or, when the computer program is executed by the processor, implements the method according to any one of claims 8 to 9. The steps of the transmission method of the broadcast broadcast service. 21. A computer-readable storage medium, characterized in that, a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the multi-function according to any one of claims 1 to 3 is implemented. the steps of the transmission method of the multicast broadcast service; or, when the computer program is executed by the processor, realizes the steps of the transmission method of the multicast broadcast service according to any one of claims 4 to 7; or, the computer program The steps of implementing the transmission method of multicast broadcast service according to any one of claims 8 to 9 when executed by the processor.

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