CN114946200A

CN114946200A - Data transmission method, device, communication equipment and storage medium

Info

Publication number: CN114946200A
Application number: CN202080003918.5A
Authority: CN
Inventors: 洪伟; 于磊; 江小威
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2022-08-26
Also published as: WO2022120718A1

Abstract

The disclosed embodiments relate to a data transmission method, a data transmission device, a communication device and a storage medium. The method comprises the following steps: receiving Multicast Broadcast Service (MBS) information broadcasted by a first type of network to an MBS group; determining downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.

Description

Data transmission method, device, communication equipment and storage medium

Technical Field

The present application relates to the field of wireless communications technologies, but not limited to the field of wireless communications technologies, and in particular, to a data transmission method, apparatus, communication device, and storage medium.

Background

At present, wearable devices such as smart watches or sports bracelets have all been realized adopting cellular mobile communication technology to communicate.

The wearable device with the communication capability of the cellular mobile communication technology meets the requirement of a user for independently using the wearable device to carry out conversation and surfing the internet. The user hopes that the service can be presented on the mobile phone and the associated wearable device at the same time, so that the device for realizing the service can be conveniently selected, and better service experience can be obtained. For example, when a call is received, the cell phone and watch ring simultaneously, and the user can optionally select a device to answer the call.

Disclosure of Invention

In view of this, the embodiments of the present disclosure provide a data transmission method, an apparatus, a communication device, and a storage medium.

According to a first aspect of the embodiments of the present disclosure, there is provided a data transmission method, where the method is applied to a first user equipment, and the method includes:

receiving MBS information broadcasted by a first type of network to a Multicast Broadcast Service (MBS) group;

determining downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.

According to a second aspect of the embodiments of the present disclosure, there is provided a data transmission method, where the data transmission method is applied to a second user equipment, the method includes:

receiving MBS information broadcasted by a first type network to an MBS group;

According to a third aspect of the embodiments of the present disclosure, there is provided a data transmission method, where the method is applied to a core network, and the method includes:

establishing an MBS group comprising the first user equipment and the second user equipment in response to the first user equipment and the second user equipment having a binding association relationship;

and broadcasting MBS information to the MBS group through a first type network, wherein the MBS information carries downlink data which is sent to the first user equipment and/or the second user equipment.

According to a fourth aspect of the embodiments of the present disclosure, there is provided a data transmission apparatus, where the data transmission apparatus is applied to a first user equipment, the apparatus including: a first receiving module and a first determining module, wherein,

the first receiving module is configured to receive MBS information broadcasted by a first type of network to an MBS group;

the first determining module is configured to determine downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.

According to a fifth aspect of the embodiments of the present disclosure, there is provided a data transmission apparatus, where the apparatus is applied to a second user equipment, the apparatus including: a fifth receiving module and a second determining module, wherein,

the fifth receiving module is configured to receive MBS information broadcast to the MBS group by the first type network;

the second determining module is configured to determine downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.

According to a sixth aspect of the embodiments of the present disclosure, there is provided a data transmission apparatus, where the data transmission apparatus is applied to a base station, the apparatus including: a building module and a broadcasting module, wherein,

the establishing module is configured to establish an MBS group comprising a first user equipment and a second user equipment in response to the first user equipment and the second user equipment having a binding association relationship;

the broadcast module is configured to broadcast MBS information to the MBS group through a first type network, where the MBS information carries downlink data sent to the first user equipment and/or the second user equipment.

According to a seventh aspect of the embodiments of the present disclosure, there is provided a communication device, including a processor, a transceiver, a memory, and an executable program stored on the memory and capable of being executed by the processor, wherein the processor executes the executable program to perform the steps of the data transmission method according to the first aspect, the second aspect, or the third aspect.

According to an eighth aspect of the embodiments of the present disclosure, there is provided a storage medium having an executable program stored thereon, wherein the executable program when executed by a processor implements the steps of the data transmission method according to the first, second or third aspect

According to the data transmission method, the data transmission device, the communication equipment and the storage medium provided by the embodiment of the disclosure, first user equipment receives MBS information broadcasted by a first type network to an MBS group; determining downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group. Therefore, by adding the first user equipment and the second user equipment to the same MBS group, the first user equipment and the second user equipment can respectively receive the downlink data, and the synchronization of the downlink data of the first user equipment and the second user equipment is realized. Meanwhile, the cellular mobile communication network only needs to establish one PDU session to transmit the downlink data of the first user equipment and/or the second user equipment, thereby saving network resources.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of embodiments of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments consistent with the invention and together with the description, serve to explain the principles of the embodiments of the invention and are not intended to limit the scope of the disclosure in any way.

Fig. 1 is a block diagram illustrating a wireless communication system in accordance with an exemplary embodiment;

FIG. 2 is a flow diagram illustrating a method of data transmission according to an exemplary embodiment;

FIG. 3 is a flow diagram illustrating another method of data transmission according to an example embodiment;

FIG. 4 is a flow diagram illustrating yet another method of data transmission in accordance with an exemplary embodiment;

FIG. 5 is a block diagram illustrating a data transmission apparatus according to an example embodiment;

FIG. 6 is a block diagram illustrating another data transmission arrangement in accordance with an exemplary embodiment;

FIG. 7 is a block diagram illustrating yet another data transfer message transmitting device in accordance with an exemplary embodiment;

fig. 8 is a block diagram illustrating an apparatus for data transmission in accordance with an example embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with embodiments of the invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of embodiments of the invention, as detailed in the following claims.

The terminology used in the embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present disclosure. As used in the disclosed embodiments and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information in the embodiments of the present disclosure, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of embodiments of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

Referring to fig. 1, a schematic structural diagram of a wireless communication system according to an embodiment of the present disclosure is shown. As shown in fig. 1, the wireless communication system is a communication system based on a cellular mobile communication technology, and may include: several terminals 11 and several base stations 12.

Terminal 11 may refer to, among other things, a device that provides voice and/or data connectivity to a user. The terminal 11 may communicate with one or more core networks via a Radio Access Network (RAN), and the terminal 11 may be an internet of things terminal, such as a sensor device, a mobile phone (or referred to as a "cellular" phone), and a computer having the internet of things terminal, and may be a fixed, portable, pocket, handheld, computer-included, or vehicle-mounted device, for example. For example, a Station (STA), a subscriber unit (subscriber unit), a subscriber Station (subscriber Station), a mobile Station (mobile), a remote Station (remote Station), an access node, a remote terminal (remote), an access terminal (access terminal), a user equipment (user terminal), a user agent (user agent), a user equipment (user device), or a user terminal (UE). Alternatively, the terminal 11 may be a device of an unmanned aerial vehicle. Alternatively, the terminal 11 may also be a vehicle-mounted device, for example, a vehicle computer with a wireless communication function, or a wireless communication device externally connected to the vehicle computer. Alternatively, the terminal 11 may be a roadside device, for example, a street lamp, a signal lamp or other roadside device with a wireless communication function.

The base station 12 may be a network side device in a wireless communication system. The wireless communication system may be a fourth generation mobile communication (4G) system, which is also called a Long Term Evolution (LTE) system; alternatively, the wireless communication system can be a 5G system, which is also called a New Radio (NR) system or a 5G NR system. Alternatively, the wireless communication system may be a next-generation system of a 5G system. Among them, the Access Network in the 5G system may be referred to as NG-RAN (New Generation-Radio Access Network, New Generation Radio Access Network). Alternatively, an MTC system.

The base station 12 may be an evolved node b (eNB) used in a 4G system. Alternatively, the base station 12 may be a base station (gNB) adopting a centralized distributed architecture in the 5G system. When the base station 12 adopts a centralized distributed architecture, it generally includes a Centralized Unit (CU) and at least two Distributed Units (DU). A Packet Data Convergence Protocol (PDCP) layer, a Radio Link layer Control Protocol (RLC) layer, and a Media Access Control (MAC) layer are provided in the central unit; a Physical (PHY) layer protocol stack is disposed in the distribution unit, and the embodiment of the present disclosure does not limit the specific implementation manner of the base station 12.

The base station 12 and the terminal 11 may establish a wireless connection over a wireless air interface. In various embodiments, the wireless air interface is based on a fourth generation mobile cellular communication network technology (4G) standard; or the wireless air interface is a wireless air interface based on a fifth generation mobile cellular communication network technology (5G) standard, for example, the wireless air interface is a new air interface; alternatively, the wireless air interface may be a wireless air interface based on a 5G technology standard of a next generation mobile cellular communication network.

In some embodiments, an E2E (End to End) connection may also be established between terminals 11. Such as V2V (vehicle to vehicle) communication, V2I (vehicle to Infrastructure) communication, and V2P (vehicle to peer) communication in vehicle networking communication (V2X).

In some embodiments, the wireless communication system may further include a network management device 13.

Several base stations 12 are connected to a network management device 13, respectively. The network Management device 13 may be a Core network device in a wireless communication system, for example, the network Management device 13 may be a Mobility Management Entity (MME) in an Evolved Packet Core (EPC). Alternatively, the Network management device may also be other core Network devices, such as a Serving GateWay (SGW), a Public Data Network GateWay (PGW), a Policy and Charging Rules Function (PCRF), a Home Subscriber Server (HSS), or the like. The implementation form of the network management device 13 is not limited in the embodiment of the present disclosure.

The execution subject that this disclosed embodiment relates to includes but not limited to: wearable devices, user equipment such as terminals of mobile cellular communication networks, base stations, core networks, etc.

An application scenario of the embodiment of the present disclosure includes, but is not limited to, in the related art, the wearable device may support a Subscriber Identity Module (SIM) card, and the wearable device has its own International Mobile Subscriber Identity (IMSI) and is handled as a UE independent of a Mobile phone by a Mobile cellular communication network in a service flow. The Mobile Station International Integrated Services Digital Network Number (MSISDN) of the user in the core Network subscriber database is bound to both the IMSI of the Mobile phone and the IMSI of the wearable device associated with the Mobile phone:

for calling service, both the mobile phone and the associated wearable device can initiate a call;

for a called service, the handset and its associated wearable device may be called simultaneously.

In the related art, if the mobile phone has a plurality of associated wearable devices, the network needs to establish different Protocol Data Unit (PDU) sessions for the mobile phone and each device respectively to transmit the same content, which causes great waste of network resources. The more wearable devices associated with a cell phone, the greater the signaling and user plane resources consumed by the network.

The wearable device cannot receive traffic when it is not covered by the mobile cellular communication network.

Receiving traffic data streams from a mobile cellular communication network may consume a significant amount of power for the wearable device.

As shown in fig. 2, the present exemplary embodiment provides a data transmission method, which may be applied to a first user equipment of a wireless communication system, the data transmission method including:

step 201: receiving MBS information broadcasted by a first type network to an MBS group;

step 202: determining downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.

The first user equipment may be an enhanced Mobile broadband embb (enhanced Mobile broadband) terminal such as a Mobile phone. The second user equipment can be wearable equipment of light weight terminal types such as a smart watch and a sports bracelet, and can also be a mobile phone with less residual electricity quantity. Generally, a lightweight terminal has fewer antennas than an eMBB terminal, and the processor operating frequency of the lightweight terminal is lower than the terminal type of the eMBB terminal. That is, the second user equipment has fewer antennas than the first user equipment, the processor operating frequency of the second user equipment is lower than that of the first user equipment, or the power of the second user equipment is lower than that of the first user equipment. The first user equipment and the second user equipment may be connected using a short-range communication technology, such as bluetooth, NFC, infrared, etc.

Here, the first type network may be a cellular mobile communication network or the like. The first user equipment and the second user equipment can access the internet and the like through the first-type network.

The first user equipment and the second user equipment may access the core network through a base station of the cellular mobile communication network. The binding association relationship between the first user equipment and the second user equipment may be a preset relationship between the first user equipment and the second user equipment for providing the same service information; for example, the MSISDN of the user in the core network subscriber database may be bound to the IMSI of the first user equipment and the IMSI of the second user equipment at the same time, and both the first user equipment and the second user equipment may initiate a call when performing a calling service; for a called service of the first user equipment or the second user equipment, the first user equipment and the second user equipment can be called simultaneously.

The core network may establish an MBS group including at least the first user equipment or the second user equipment. The downlink data for the first user equipment and/or the second user equipment can be sent to the first user equipment or the second user equipment by using an MBS multicast broadcast technology through an MBS message. Here, the MBS information may be a PDU session of multicast broadcasting. There may be a plurality of first user equipments or second user equipments in the MBS group.

Here, the cellular mobile communication network may include, but is not limited to: 5G cellular mobile communication network, etc. Control of a PDU Session Multicast-broadcasted by a Session Management Function Network element (SMF) or the like responsible for establishing an MBMS Multicast PDU Session may be selected by a Network open Function (NEF)/Multicast Broadcast Service Function (MBSF) in a 5G cellular mobile communication Network.

The first user equipment and the second user equipment belonging to the MBS group can receive MBS information broadcasted to the MBS group, and the first user equipment and the second user equipment can simultaneously acquire downlink data sent to the first user equipment and/or the second user equipment from the MBS information, namely the first user equipment can acquire the downlink data sent to the second user equipment, and the second user equipment can also acquire the downlink data sent to the first user equipment.

For uplink data, the first user equipment and the second user equipment may respectively establish PDU connection with the first type network for uplink transmission.

Therefore, by adding the first user equipment and the second user equipment to the same MBS group, the first user equipment and the second user equipment can respectively receive the downlink data, and the synchronization of the downlink data of the first user equipment and the second user equipment is realized. Meanwhile, the cellular mobile communication network only needs to establish one PDU session to transmit the downlink data of the first user equipment and/or the second user equipment, thereby saving network resources.

In one embodiment, the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type network, and sending downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network.

The first type of network and the first type of network to which the first user equipment and the second user equipment are connected may be networks having different communication protocols, communication frequency bands, and/or power ranges. The second type of network may be a wireless communication network with a smaller coverage area, and the transmission power of the wireless signals of the network bound with the connection is smaller, for example, Wi-Fi, bluetooth, etc. The second type of network may also be a point-to-point connected network such as a direct link (sidelink) or the like.

The first user equipment and the second user equipment can have the capability of accessing the first type network and the second type network simultaneously. For example, the first user equipment and the second user equipment can access the cellular mobile communication network simultaneously, and the first user equipment and the second user equipment are connected through the second type network. Illustratively, the first user equipment and the second user equipment can access the core network through a base station of a network such as a 4G or 5G cellular mobile communication network. The first user equipment and the second user equipment can be connected through Bluetooth (BT, Bluetooth), low-power Bluetooth or Wi-Fi and the like.

After the first user equipment and the second user equipment establish the second type network connection, for example, after the second user equipment is interconnected through Wi-Fi, the first user equipment can act on the second user equipment to receive the downlink data of the first user equipment and/or the second user equipment from the first type network. Here, the downlink data of the first user equipment and/or the second user equipment may be downlink data carried in MBS information broadcast by a core network to an MBS group.

When the first user equipment transmits downlink data through the second type network, the second user equipment may be connected with the first type network or may not be connected with the first type network.

For example, after the bluetooth connection is established between the mobile phone and the smart watch, the smart watch does not receive MBS information broadcast by the core network to the MBS group any more. After receiving the MBS information, the mobile phone may send downlink data of the mobile phone and/or the smart watch carried in the MBS information to the smart watch through bluetooth.

The first user equipment may transparently transmit the downlink data to the second user equipment, or may process and transmit the downlink data to the second user equipment.

For example, for downlink data sent to the second user equipment, the first user equipment may transparently transmit the downlink data to the second user equipment. For synchronization purposes, the first ue may also parse the downlink data. For the downlink data sent to the first user equipment, the first user equipment may process the downlink data and transmit the processed downlink data to the second user equipment. For example, when the downlink data is a voice call for the first user equipment, the first user equipment may send necessary information to the second user equipment for the content of the voice call, for example, the second user equipment is used as an audio device to send the voice content through the second type network.

Therefore, the second user equipment receives the downlink data through the second type network, on one hand, the electric quantity consumed by connecting the second type network is smaller than the electric quantity consumed by connecting the first type network, and therefore, the second user equipment can save the electric quantity. On the other hand, the second user equipment can still receive downlink data when the second user equipment does not have the first-class network connection, and the continuity of data transmission is improved.

In one embodiment, the method further comprises:

receiving the first request information sent by the second user equipment through a second type network,

the sending, to the second user equipment through the second type network, the downlink data of the first user equipment and/or the second user equipment includes:

and sending the downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network based on the first request information.

And the second user equipment is close to the first user equipment, and when the second user equipment reaches the range of using the second type of network, the second user equipment establishes second type network connection with the first user equipment.

In the second type of network connection process, the second user equipment may send a first request to the first user equipment, and the first user equipment receives downlink data of the second user equipment.

For example, after the UE and the wearable device successfully establish the close-range communication connection, the wearable device shuts down the cellular mobile communication network and initiates a deregistration request to the cellular mobile communication network. The wearable device which establishes the close range communication connection with the UE agent receives and processes downlink service data, including MBS broadcast service flow, and sends the processed downlink service data flow to the wearable device.

In one embodiment, the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type of network, receiving uplink data of the second user equipment, and sending the uplink data of the second user equipment through the first type of network.

After the first user equipment and the second user equipment establish the second type network connection, for example, after the second user equipment is interconnected through Wi-Fi, the first user equipment can act on the second user equipment to send uplink data of the second user equipment to the first type network.

When the first user equipment transmits uplink data through the first type network, the second user equipment may be connected with the first type network or not.

Illustratively, after the bluetooth connection is established between the mobile phone and the smart watch, the smart watch does not send uplink data through the cellular mobile communication network. The smart watch sends the uplink data to the mobile phone, and the mobile phone sends the uplink data through the cellular mobile communication network.

The first user equipment may transparently transmit the uplink data to the base station of the first type network, or may process the uplink data and transmit the processed uplink data to the base station of the first type network.

For example, for uplink downlink data of the second user equipment, the first user equipment may transparently transmit the uplink data of the second user equipment to the base station of the first type network. For synchronization purposes, the first ue may also parse the uplink data. The first user equipment may process uplink data of the second user equipment and transmit the processed uplink data to the base station of the first type network. For example, when the uplink data is the voice content of the current voice call of the first user equipment, the first user equipment encapsulates the voice content into a data frame and uplinks the data frame to the base station.

Therefore, the second user equipment transmits the uplink data through the second type of network, on one hand, the electric quantity consumed by connecting the second type of network is less than the electric quantity consumed by connecting the first type of network, and therefore, the second user equipment can save the electric quantity. On the other hand, the second user equipment can still send uplink data when the first type of network connection is not available, and the continuity of data transmission is improved.

In one embodiment, the method further comprises:

receiving second request information sent by the second user equipment through a second type network,

the receiving the uplink data of the second user equipment and sending the uplink data of the second user equipment through the first type network includes:

and receiving the uplink data of the second user equipment based on the second request information, and sending the uplink data of the second user equipment through the first-class network.

Here, the first request information may be the same as or different from the second request information. The second user equipment may separately request the first user equipment to receive and send downlink data to the second user equipment through the second type network, or send uplink data of the second user equipment. The first user equipment may also be requested to receive and send downlink data to the second user equipment through the second type network and send uplink data of the second user through a request message.

And when the second user equipment approaches the first user equipment and reaches the range of being capable of using the second type of network, the second user equipment establishes second type of network connection with the first user equipment.

In the second type of network connection process, the second user equipment may send a second request to the first user equipment, and the first user equipment sends uplink data of the second user equipment. The uplink data may be sent by the second user equipment to the first user equipment through the second type network.

For example, after the UE and the wearable device successfully establish the close-range communication connection, the wearable device shuts down the cellular mobile communication network and initiates a deregistration request to the cellular mobile communication network. And the UE receives the uplink service data from the wearable equipment establishing the close-range communication connection with the UE, processes the uplink service data and forwards the uplink service data to the network.

In one embodiment, the method further comprises:

receiving third request information sent by the second user to the first user equipment through a second type network;

and according to the third request information, stopping sending the determined downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network, and/or stopping receiving through the second type network and sending the uplink data of the second user equipment through the first type network.

After the first user equipment and the second user equipment establish a second type network connection, for example, after the first user equipment and the second user equipment are interconnected through Wi-Fi, uplink data of the second user equipment can be sent to the first type network through the first user equipment acting on the second user equipment, or downlink data of the first user equipment and/or the second user equipment received from the first type network is sent to the second user equipment through the second type network.

At this time, the second user equipment is not required to maintain the connection of the first type network. Thus, the first type of network may be deregistered. Therefore, the power consumption for maintaining the first type of network connection can be reduced, and the standby time is prolonged.

If the first user equipment and the second user equipment are influenced by the environment or the distance changes, the second type network signal quality parameter is lower than the preset threshold value, if the first user equipment and the second user equipment exceed the range which can be reached by the second type network, the second user equipment can re-register the first type network and join the MBS group, thereby continuously receiving downlink data or sending uplink data through the first type network. Thereby maintaining stability of data communication.

Illustratively, when the wearable device is out of the reach of the close range communication connection with the UE, the wearable device activates the communication module and initiates a registration request to the cellular mobile communication network and a request to join the MBS group before disconnecting the wearable device.

After the second user equipment joins the MBS group, the second user equipment may send third request information indicating that the first user equipment is not acting for uplink data and downlink data of the second user equipment, and the second user equipment itself performs transmission of the uplink data and the downlink data through the first type network. Therefore, when the second type network cannot meet the transmission requirement, the second user equipment can still keep the transmission of the uplink data and the downlink data, and the data transmission reliability is improved.

As shown in fig. 3, the present exemplary embodiment provides a data transmission method, which may be applied to a second user equipment of a wireless communication system, the data transmission method including:

step 301: receiving MBS information broadcasted by a first type network to an MBS group;

step 302: determining downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.

The first user equipment may be an eMBB terminal such as a mobile phone. The second user equipment can be wearable equipment of light weight terminal types such as a smart watch and a sports bracelet, and can also be a mobile phone with less residual electricity quantity. Generally, a lightweight terminal has fewer antennas than an eMBB terminal, and the processor operating frequency of the lightweight terminal is lower than the terminal type of the eMBB terminal. That is, the second user equipment has fewer antennas than the first user equipment, the processor operating frequency of the second user equipment is lower than that of the first user equipment, or the power of the second user equipment is lower than that of the first user equipment. The first user equipment and the second user equipment can be connected by using a short-range communication technology, such as connection through Bluetooth and the like.

Here, cellular mobile communication networks may include, but are not limited to: 5G cellular mobile communication network, etc. Control of a PDU Session Multicast-broadcasted by a Session Management Function Network element (SMF) or the like responsible for establishing an MBMS Multicast PDU Session may be selected by a Network open Function (NEF)/Multicast Broadcast Service Function (MBSF) in a 5G cellular mobile communication Network.

The first user equipment and the second user equipment belonging to the MBS group may receive MBS information broadcasted to the MBS group, and the first user equipment and the second user equipment may simultaneously acquire downlink data sent to the first user equipment and/or the second user equipment from the MBS information, that is, the first user equipment may acquire the downlink data sent to the second user equipment, and the second user equipment may also acquire the downlink data sent to the first user equipment.

In one embodiment, the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type network, and receiving downlink data of the first user equipment and/or the second user equipment, which is sent by the first user equipment, through the second type network.

The first type of network and the first type of network to which the first user equipment and the second user equipment are connected may be networks having different communication protocols, communication frequency bands, and/or power ranges. The second type of network may be a wireless communication network with a smaller coverage area, and the transmission power of the wireless signal of the network bound with the connection is smaller, for example, Wi-Fi, bluetooth, etc. The second type of network may also be a point-to-point connected network such as a direct link (sidelink) or the like.

The first user equipment and the second user equipment can have the capability of accessing the first type network and the second type network simultaneously. For example, the first user equipment and the second user equipment can access the cellular mobile communication network at the same time, and the first user equipment and the second user equipment are connected through the second type network. Illustratively, the first user equipment and the second user equipment may access the core network through a base station of a network, such as a 4G or 5G cellular mobile communication network. The first user equipment and the second user equipment can be connected through Bluetooth (BT, Blue Tooth), low-power Bluetooth or Wi-Fi and the like.

When the first user equipment transmits downlink data through the second type network, the second user equipment may be connected with the first type network or not connected with the first type network.

In one embodiment, the method further comprises:

and sending first request information to the first user equipment, wherein the first request information is used for indicating the first user equipment to send downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network.

Illustratively, after the UE and the wearable device establish the near field communication connection successfully, the wearable device closes the cellular mobile communication network and initiates a deregistration request to the cellular mobile communication network. The wearable device which establishes the close range communication connection with the UE agent receives and processes downlink service data, including MBS broadcast service flow, and sends the processed downlink service data flow to the wearable device.

In one embodiment, the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type network, and sending uplink data of the second user equipment to the first user equipment through the second type network.

After the first user equipment and the second user equipment establish the second type network connection, for example, after the first user equipment and the second user equipment are interconnected through Wi-Fi, the first user equipment can act on the second user equipment to send uplink data of the second user equipment to the first type network.

When the first user equipment transmits uplink data through the first type network, the second user equipment may be connected with the first type network or may not be connected with the first type network.

Illustratively, after the bluetooth connection is established between the mobile phone and the smart watch, the smart watch does not send uplink data through the cellular mobile communication network. The smart watch sends uplink data to the mobile phone, and the mobile phone sends the uplink data through the cellular mobile communication network.

For example, for uplink downlink data of the second user equipment, the first user equipment may transparently transmit the uplink data of the second user equipment to the base station of the first type network. For synchronization purposes, the first ue may also parse the uplink data. The first user equipment may process uplink data of the second user equipment and transmit the processed uplink data to the base station of the first type network. For example, when the uplink data is the voice content of the current voice call of the first user equipment, the first user equipment encapsulates the voice content into a data frame and transmits the data frame to the base station.

Therefore, the second user equipment transmits the uplink data through the second type of network, and on one hand, the electric quantity consumed by connecting the second type of network is less than that consumed by connecting the first type of network, so that the second user equipment can save the electric quantity. On the other hand, the second user equipment can still send uplink data when the first type of network connection is not available, so that the continuity of data transmission is improved.

In one embodiment, the method further comprises:

and sending second request information to first user equipment, wherein the second request information is used for indicating the first user equipment to send uplink data of the second user equipment through the first-class network.

In one embodiment, the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type of network, and performing deregistration on the first type of network.

In one embodiment, the method further comprises:

and responding to the fact that the signal quality parameter of the second type of network is lower than a preset threshold value and the second user equipment does not access the first type of network, registering the first type of network and joining the MBS group.

After the first user equipment and the second user equipment establish a second type network connection, for example, after the first user equipment and the second user equipment are interconnected through Wi-Fi, the first user equipment can act on the second user equipment to send uplink data of the second user equipment to the first type network, or send downlink data of the first user equipment and/or the second user equipment received from the first type network to the second user equipment through the second type network. The second user equipment may deregister the first type of network.

In one embodiment, the method further comprises:

and responding to the second user joining the MBS group, sending third request information to first user equipment through a second type network, wherein the third request information is used for indicating the first user equipment to stop sending downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network, and/or stopping receiving through the second type network, and sending uplink data of the second user equipment through the first type network.

As shown in fig. 4, the present exemplary embodiment provides a data transmission method, which may be applied to a core network of a wireless communication system, where the data transmission method includes:

step 401: establishing an MBS group comprising the first user equipment and the second user equipment in response to the first user equipment and the second user equipment having a binding association relationship;

step 402: and broadcasting MBS information to the MBS group through a first type network, wherein the MBS information carries downlink data sent to the first user equipment and/or the second user equipment.

In one embodiment, the method further comprises at least one of:

based on the deregistration request of the second user equipment, deregistering the second user equipment from the first type of network;

and registering the second user equipment to a first type of network based on the registration request of the second user equipment, and adding the second user equipment to the MBS group.

After the first user equipment and the second user equipment establish a second type network connection, for example, after the first user equipment and the second user equipment are interconnected through Wi-Fi, the first user equipment can act on the second user equipment to send uplink data of the second user equipment to the first type network, or send downlink data of the first user equipment and/or the second user equipment received from the first type network to the second user equipment through the second type network.

Illustratively, when the wearable device is out of range of the proximity communication connection with the UE, the wearable device activates the communication module and initiates a registration request to the cellular mobile communication network and a request to join the MBS group before disconnecting the connection.

One specific example is provided below in connection with any of the embodiments described above:

the mobile phone and the wearable device may form an MBS group, for example, both the UE and its wearable device are registered to the same MBS group. For downlink data, an MBS multicast broadcast technology can be adopted, and downlink data streams are sent to the mobile phone and the wearable device through a PDU session of multicast broadcast. For uplink data, the UE and its wearable device each establish a PDU connection.

The wearable device and the UE can establish close range communication connection, such as point-to-point connection or connection through technologies such as Wi-Fi, uplink and downlink data packets are sent and received from a 3GPP network through the UE proxy wearable device, and the wearable device and the UE only transmit light-weight data streams. After the wearable device successfully establishes the close-range communication connection with the UE, a deregistration request is initiated to the 3GPP network, then the 3GPP communication module is closed, and the receiving and sending of all subsequent uplink and downlink data packets in the 3GPP network are carried out through the UE:

for uplink data, the wearable device sends a data packet to the UE through the connection of near field communication, and the UE processes the data packet and sends the processed data packet to the network;

for downlink data, the PDU session of the multicast broadcast does not contain the wearable device, and the UE is responsible for receiving the data and performing corresponding processing, and then distributes the downlink data to the wearable device through the connection of near field communication.

When the distance between the wearable device and the UE is about to exceed the close-range communication range, before disconnection, the wearable device activates a communication module and initiates a registration request and a request for joining an MBS group to the 3GPP network.

The specific scheme is as follows:

1. the UE registers with its associated wearable device as an MBS group.

2. For downlink traffic data flow to any UE and/or its associated wearable device, the core network establishes an MBS multicast PDU session, e.g., in a 5G core network, the NEF/MBSF selection is session controlled by the SMF responsible for establishing the MBMS multicast PDU session.

3. When the wearable device approaches the UE and reaches a range where the near field communication technology can be used, the wearable device establishes a near field communication connection with the UE.

During the process of establishing the close range communication connection, the wearable device requests the UE to process the subsequent uplink and downlink traffic flows thereof by the UE agent.

4. After the near field communication connection is successfully established, the wearable device closes the 3GPP communication module and initiates a deregistration request to the network.

The wearable device which establishes the close range communication connection with the UE agent receives and processes the downlink service flow, including MBS broadcast service flow, and sends the processed downlink service data flow to the wearable device.

And the UE receives the uplink service flow from the wearable equipment which establishes the close-range communication connection with the UE, processes the uplink service flow and forwards the uplink service flow to the network.

5. When the distance between the wearable device and the UE exceeds the range which can be reached by the close-range communication connection, before disconnection, the wearable device activates a communication module and initiates a registration request and a request for joining an MBS group to a 3GPP network.

An embodiment of the present invention further provides a data transmission apparatus, which is applied to a first user equipment, and fig. 5 is a schematic diagram of a structure of the data transmission apparatus 100 according to the embodiment of the present invention; as shown in fig. 5, the apparatus 100 includes: a first receiving module 110 and a first determining module 120, wherein,

the first receiving module 110 is configured to receive MBS information broadcast to an MBS group by a first type network;

the first determining module 120 is configured to determine downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.

In one embodiment, the apparatus 100 further comprises:

a first sending module 130, configured to send downlink data of the first user equipment and/or the second user equipment to the second user equipment through a second type network in response to the first user equipment and the second user equipment being connected through the second type network.

In one embodiment, the apparatus 100 further comprises:

a second receiving module 140 configured to receive the first request information sent by the second user equipment through a second type network,

the first sending module 130 includes:

the first sending sub-module 131 is configured to send downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network based on the first request information.

In one embodiment, the apparatus 100 further comprises:

the forwarding module 150 is configured to receive uplink data of the second user equipment in response to the first user equipment and the second user equipment being connected through a second type network, and send the uplink data of the second user equipment through the first type network.

In one embodiment, the apparatus 100 further comprises:

a third receiving module 160 configured to receive, through the second type network, the second request information sent by the second user equipment,

the forwarding module 150 includes:

the forwarding sub-module 151 is configured to receive the uplink data of the second user equipment based on the second request information, and send the uplink data of the second user equipment through the first-type network.

In one embodiment, the apparatus 100 further comprises:

a fourth receiving module 170, configured to receive third request information sent by the second user to the first user equipment through the second type network;

the control module 180 is configured to stop sending the determined downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network according to the third request information, and/or stop receiving through the second type network and sending the uplink data of the second user equipment through the first type network.

Fig. 6 is a schematic diagram illustrating a structure of a data transmission device 200 according to an embodiment of the present invention; as shown in fig. 6, the apparatus 200 includes: a fifth receiving module 210 and a second determining module 220, wherein,

the fifth receiving module 210 is configured to receive MBS information broadcast to an MBS group by the first type network;

the second determining module 220 is configured to determine downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.

In one embodiment, the apparatus 200 further comprises:

a sixth receiving module 230, configured to receive, in response to that the first user equipment and the second user equipment are connected through a second type network, downlink data of the first user equipment and/or the second user equipment sent by the first user equipment through the second type network.

In one embodiment, the apparatus 200 further comprises:

a second sending module 240, configured to send first request information to the first user equipment, where the first request information is used to instruct the first user equipment to send downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network.

In one embodiment, the apparatus 200 further comprises:

a third sending module 250, configured to send, in response to the first user equipment and the second user equipment being connected through a second type network, uplink data of the second user equipment to the first user equipment through the second type network.

In one embodiment, the apparatus 200 further comprises:

a fourth sending module 260, configured to send second request information to the first user equipment, where the second request information is used to instruct the first user equipment to send uplink data of the second user equipment through the first type of network.

In one embodiment, the apparatus 200 further comprises:

a deregistration module 270 configured to deregister the first type of network in response to the first user equipment and the second user equipment being connected through a second type of network.

In one embodiment, the apparatus 200 further comprises:

a registering module 280 configured to register the first type of network and join the MBS group in response to the signal quality parameter of the second type of network being lower than a preset threshold and the second user equipment not accessing the first type of network.

In one embodiment, the apparatus 200 further comprises:

a fifth sending module 290, configured to send, in response to the second user joining the MBS group, third request information to a first user equipment through a second type network, where the third request information is used to instruct the first user equipment to stop sending downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network, and/or stop receiving through the second type network, and send uplink data of the second user equipment through the first type network.

Fig. 7 is a schematic structural diagram of a data transmission apparatus 300 according to an embodiment of the present invention, where the data transmission apparatus is applied to a core network; as shown in fig. 7, the apparatus 300 includes: a setup module 310 and a broadcast module 320, wherein,

the establishing module 310 is configured to, in response to that a first user equipment and a second user equipment have a binding association relationship, establish an MBS group including the first user equipment and the second user equipment;

the broadcast module 320 is configured to broadcast MBS information to the MBS group through a first type network, where the MBS information carries downlink data sent to the first user equipment and/or the second user equipment.

In one embodiment, the apparatus 300 further comprises at least one of:

a first configuration module 330 configured to unregister the second user equipment from the first type of network based on a unregister request of the second user equipment;

a second configuration module 340, configured to register the second user equipment to the first type of network based on the registration request of the second user equipment, and add the second user equipment to the MBS group.

In an exemplary embodiment, the first receiving module 110, the first determining module 120, the first sending module 130, the second receiving module 140, the forwarding module 150, the third receiving module 160, the fourth receiving module 170, the control module 180, the fifth receiving module 210, the second determining module 220, the sixth receiving module 230, the second sending module 240, the third sending module 250, the fourth sending module 260, the unregistering module 270, the registering module 280, the fifth sending module 290, the establishing module 310, the broadcasting module 320, the first configuring module 330, the second configuring module 340, etc. may be implemented by one or more Central Processing Units (CPUs), Graphic Processors (GPUs), Baseband Processors (BPs), Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic devices (PLDs, Programmable Logic devices (Logic devices), etc, A Complex Programmable Logic Device (CPLD), a Field-Programmable Gate Array (FPGA), a general-purpose processor, a Controller, a Microcontroller (MCU), a Microprocessor (Microprocessor), or other electronic components, and may be implemented in combination with one or more Radio Frequency (RF) antennas to perform the foregoing methods.

Fig. 8 is a block diagram illustrating an apparatus 3000 for data transmission in accordance with an example embodiment. For example, the apparatus 3000 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.

Referring to fig. 8, the apparatus 3000 may include one or more of the following components: processing component 3002, memory 3004, power component 3006, multimedia component 3008, audio component 3010, input/output (I/O) interface 3012, sensor component 3014, and communications component 3016.

The processing component 3002 generally controls the overall operation of the device 3000, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 3002 may include one or more processors 3020 to execute instructions to perform all or a portion of the steps of the methods described above. Further, processing component 3002 may include one or more modules that facilitate interaction between processing component 3002 and other components. For example, the processing component 3002 may include a multimedia module to facilitate interaction between the multimedia component 3008 and the processing component 3002.

The memory 3004 is configured to store various types of data to support operations at the device 3000. Examples of such data include instructions for any application or method operating on device 3000, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 3004 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power supply component 3006 provides power to the various components of the device 3000. The power components 3006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 3000.

The multimedia component 3008 includes a screen that provides an output interface between the device 3000 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, multimedia component 3008 includes a front facing camera and/or a rear facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 3000 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 3010 is configured to output and/or input an audio signal. For example, the audio component 3010 may include a Microphone (MIC) configured to receive external audio signals when the apparatus 3000 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 3004 or transmitted via the communication component 3016. In some embodiments, the audio component 3010 further includes a speaker for outputting audio signals.

I/O interface 3012 provides an interface between processing component 3002 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor component 3014 includes one or more sensors for providing various aspects of state assessment for the device 3000. For example, the sensor component 3014 can detect the open/closed status of the device 3000, the relative positioning of components, such as a display and keypad of the apparatus 3000, the sensor component 3014 can also detect a change in the position of the apparatus 3000 or a component of the apparatus 3000, the presence or absence of user contact with the apparatus 3000, orientation or acceleration/deceleration of the apparatus 3000, and a change in the temperature of the apparatus 3000. The sensor assembly 3014 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 3014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 3014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 3016 is configured to facilitate wired or wireless communication between the apparatus 3000 and other devices. Device 3000 may access a wireless network based on a communication standard, such as Wi-Fi, 2G, or 3G, or a combination thereof. In an exemplary embodiment, the communication component 3016 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 3016 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the apparatus 3000 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components for performing the above-described methods.

In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 3004 comprising instructions, executable by the processor 3020 of the apparatus 3000 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the embodiments of the invention following, in general, the principles of the embodiments of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the embodiments of the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of embodiments of the invention being indicated by the following claims.

It is to be understood that the embodiments of the present invention are not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of embodiments of the invention is limited only by the appended claims.

Claims

A data transmission method is applied to first user equipment, and the method comprises the following steps:

receiving MBS information broadcasted by a first type network to a multicast broadcast service MBS group;

determining downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.
The method of claim 1, wherein the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type network, and sending downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network.
The method of claim 2, wherein the method further comprises:

receiving first request information sent by the second user equipment through a second type network,

the sending, to the second user equipment through the second type network, the downlink data of the first user equipment and/or the second user equipment includes:

and sending downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network based on the first request information.
The method of claim 1, wherein the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type of network, receiving uplink data of the second user equipment, and sending the uplink data of the second user equipment through the first type of network.
The method of claim 4, wherein the method further comprises:

receiving second request information sent by the second user equipment through a second type network,

the receiving the uplink data of the second user equipment and sending the uplink data of the second user equipment through the first-type network includes:

and receiving the uplink data of the second user equipment based on the second request information, and sending the uplink data of the second user equipment through the first-class network.
The method of any of claims 2 to 5, wherein the method further comprises:

receiving third request information sent by the second user equipment to the first user equipment through a second type network;

and according to the third request information, stopping sending the determined downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network, and/or stopping receiving through the second type network and sending the uplink data of the second user equipment through the first type network.
A data transmission method is applied to a second user equipment, and comprises the following steps:

receiving MBS information broadcasted by a first type of network to a multicast broadcast service MBS group;

determining downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.
The method of claim 7, wherein the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type network, and receiving downlink data of the first user equipment and/or the second user equipment, which is sent by the first user equipment, through the second type network.
The method of claim 8, wherein the method further comprises:

and sending first request information to the first user equipment, wherein the first request information is used for indicating the first user equipment to send downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network.
The method of claim 7, wherein the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type network, and sending uplink data of the second user equipment to the first user equipment through the second type network.
The method of claim 10, wherein the method further comprises:

and sending second request information to first user equipment, wherein the second request information is used for indicating the first user equipment to send uplink data of the second user equipment through the first type network.
The method of any of claims 8 to 11, wherein the method further comprises:

and responding to the connection between the first user equipment and the second user equipment through a second type of network, and registering the first type of network.
The method of any of claims 8 to 11, wherein the method further comprises:

and responding to the fact that the signal quality parameter of the second type of network is lower than a preset threshold value and the second user equipment does not access the first type of network, registering the first type of network and joining the MBS group.
The method of claim 13, wherein the method further comprises:

and responding to the second user joining the MBS group, sending third request information to first user equipment through a second type network, wherein the third request information is used for indicating the first user equipment to stop sending downlink data of the first user equipment and/or the second user equipment to the second user equipment through the second type network, and/or stopping receiving through the second type network, and sending uplink data of the second user equipment through the first type network.
A data transmission apparatus, applied to a first user equipment, the apparatus comprising: a first receiving module and a first determining module, wherein,

the first receiving module is configured to receive MBS information broadcasted by a first type of network to a multicast broadcast service MBS group;

the first determining module is configured to determine downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.
A data transmission apparatus, wherein the apparatus is applied to a second user equipment, the apparatus comprising: a fifth receiving module and a second determining module, wherein,

the fifth receiving module is configured to receive MBS information broadcast by the first-class network to the MBS group;

the second determining module is configured to determine downlink data of the first user equipment and/or the second user equipment according to the MBS information; the first user equipment and the second user equipment have a binding association relationship, and the first user equipment and the second user equipment belong to the MBS group.
A communications device comprising a processor, a transceiver, a memory and an executable program stored on the memory and executable by the processor, wherein the processor executes the executable program to perform the steps of the data transmission method of any one of claims 1 to 6, or 7 to 14.
A storage medium having stored thereon an executable program, wherein the executable program when executed by a processor implements the steps of the data transmission method of any one of claims 1 to 6, or 7 to 14.