WO2024007961A1

WO2024007961A1 - Relay control method and apparatus, and terminal and network-side device

Info

Publication number: WO2024007961A1
Application number: PCT/CN2023/104039
Authority: WO
Inventors: 梁敬
Original assignee: 维沃移动通信有限公司
Priority date: 2022-07-07
Filing date: 2023-06-29
Publication date: 2024-01-11
Also published as: CN117412409A

Abstract

The present invention belongs to the field of mobile communications. Disclosed are a relay control method and apparatus, and a terminal and a network-side device. The relay control method in the embodiments of the present application comprises: a first terminal receiving first configuration information from a first network-side device, wherein the first configuration information is used for indicating service information of an end-to-end relay communication service supported by a cell where the first terminal is located and/or configuration information of the end-to-end relay communication service; and according to the first configuration information, the first terminal executing at least one of the following: determining whether to execute the end-to-end relay communication service; and determining an execution mode of the end-to-end relay communication service.

Description

Relay control method, device, terminal and network side equipment

cross reference

This application requires the priority of a Chinese patent application submitted to the China Patent Office on July 7, 2022, with application number 202210796184.1 and titled "Relay control method, device, terminal and network side equipment". The entire content of the application is approved This reference is incorporated into this application.

Technical field

This application belongs to the field of mobile communication technology, and specifically relates to a relay control method, device, terminal and network side equipment.

Background technique

Relay technology in wireless communication systems is to add one or more relays between the base station (the next Generation Node B, gNB) and the terminal (also called user equipment (User Equipment, UE)) The node is responsible for forwarding the wireless signal one or more times, that is, the wireless signal must go through multiple hops to reach the terminal. Wireless relay technology can not only expand cell coverage and make up for cell coverage blind spots, but can also increase cell capacity through spatial resource reuse. For indoor coverage, Relay technology can also overcome penetration loss and improve indoor coverage quality.

A typical scenario of related technology is the terminal-to-network relay (UE to network relay, U2N relay) communication scenario as shown in Figure 1. The remote terminal 14 (remote UE) needs to transmit data with the base station 12, and the base station 12 communicates with the network side. The server 11 is connected, but due to poor coverage, a relay terminal (relay UE) is required as a relay. The Uu interface is between the relay terminal 13 and the base station 12, and the secondary link is between the relay terminal 13 and the base station 12. interface (PC5).

Compared with terminal-to-network relay communication, end-to-end relay (Ue to Ue relay, U2U relay) communication connects two different remote terminals through relay terminals. The relevant technology has not yet been developed for end-to-end relay communication services. specific implementation methods.

Contents of the invention

Embodiments of the present application provide a relay control method, device, terminal and network side equipment, which can realize end-to-end relay communication services.

In a first aspect, a relay control method is provided, applied to a first terminal. The method includes: the first terminal receives first configuration information from a first network side device, the first configuration information is used to indicate the first The service information of the end-to-end relay communication service supported by the cell where the terminal is located and/or the configuration information of the end-to-end relay communication service; the first terminal performs at least one of the following according to the first configuration information : Determine whether to execute the end-to-end relay communication service; determine how to execute the end-to-end relay communication service.

In a second aspect, a relay control device is provided, including: a transmission module configured to receive first configuration information from a first network side device, where the first configuration information is used to indicate the end-to-end relay supported by the cell where it is located. Business information of the communication service and/or configuration information of the end-to-end relay communication service; an execution module configured to perform at least one of the following according to the first configuration information: determine whether to execute the end-to-end relay Communication service; determine the execution mode of the end-to-end relay communication service.

In a third aspect, a relay control method is provided, applied to a first network side device. The method includes: the first network side device sends first configuration information to a first terminal, and the first configuration information is used to indicate that the The service information of the end-to-end relay communication service supported by the cell where the first terminal is located and/or the configuration information of the end-to-end relay communication service.

In a fourth aspect, a relay control device is provided, including: a configuration module configured to obtain first configuration information, where the first configuration information is used to indicate the end-to-end relay communication service supported by the cell where the first terminal is located. Service information and/or configuration information of the end-to-end relay communication service; a transceiver module configured to send the first configuration information to the first terminal.

In a fifth aspect, a terminal is provided. The terminal includes a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, the following implementations are implemented: The steps of the method described in one aspect.

In a sixth aspect, a terminal is provided, including a processor and a communication interface, wherein the processor is configured to perform at least one of the following according to the first configuration information: determining whether to execute the end-to-end relay communication service ; Determine the execution mode of the end-to-end relay communication service, the communication interface is used to receive first configuration information from the first network side device, and the first configuration information is used to indicate the end-to-end medium supported by the cell. The service information of the relay communication service and/or the configuration information of the end-to-end relay communication service.

In a seventh aspect, a network side device is provided. The network side device includes a processor and a memory. The memory stores programs or instructions that can be run on the processor. The program or instructions are executed by the processor. When implementing the steps of the method described in the first aspect.

In an eighth aspect, a network side device is provided, including a processor and a communication interface, wherein the processor is configured to obtain first configuration information, and the first configuration information is used to indicate the end-to-end configuration supported by the cell where the first terminal is located. The service information of the end-to-end relay communication service and/or the configuration information of the end-to-end relay communication service, and the communication interface is used to send the first configuration information to the first terminal.

In a ninth aspect, a relay control system is provided, including: a terminal and a network side device. The terminal can be used to perform the steps of the relay control method as described in the first aspect. The network side device can be used to perform as The steps of the relay control method described in the third aspect.

In a tenth aspect, a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method are implemented as described in the first aspect. The steps of the method described in the third aspect.

In an eleventh aspect, a chip is provided. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the method described in the first aspect. method, or implement a method as described in the third aspect.

In a twelfth aspect, a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement as described in the first aspect The relay control method, or the steps of implementing the relay control method as described in the third aspect.

In this embodiment of the present application, by receiving first configuration information from the first network side device, the first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell and/or the end-to-end relay communication service. configuration information of the end-to-end relay communication service; and determine whether to execute the end-to-end relay communication service according to the first configuration information, and/or determine the execution mode of the end-to-end relay communication service, thereby Implement end-to-end relay communication services.

Description of the drawings

Figure 1 is a schematic structural diagram of a wireless communication system according to an embodiment of the related technology;

Figure 2 is a schematic structural diagram of a wireless communication system applicable to the embodiment of the present application;

Figure 3 is a schematic flowchart of a relay control method provided by an embodiment of the present application;

Figure 4 is a schematic flow chart of another relay control method provided by an embodiment of the present application;

Figure 5 is a schematic flowchart of another relay control method provided by an embodiment of the present application;

Figure 6 is a schematic structural diagram of a relay control device provided by an embodiment of the present application;

Figure 7 is a schematic flowchart of another relay control method provided by an embodiment of the present application;

Figure 8 is a schematic structural diagram of another relay control device provided by an embodiment of the present application;

Figure 9 is a schematic structural diagram of a communication device provided by an embodiment of the present application;

Figure 10 is a schematic structural diagram of a terminal that implements an embodiment of the present application;

Figure 11 is a schematic structural diagram of a network side device that implements an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the scope of protection of this application.

The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and "second" are distinguished objects It is usually one type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the related objects are in an "or" relationship.

It is worth pointing out that the technology described in the embodiments of this application is not limited to Long Term Evolution (Long Term Evolution, LTE)/LTE Evolution (LTE-Advanced, LTE-A) systems, and can also be used in other wireless communication systems, such as code Code Division Multiple Access (CDMA), Time Division Multiple Access (Time Division Multiple Access, TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of this application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and uses NR terminology in much of the following description, but these techniques can also be applied to applications other than NR system applications, such as 6th Generation , 6G) communication system.

FIG. 2 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a network side device 20, a remote terminal 21 and a relay terminal 22. Among them, the remote terminal 21 and the relay terminal 22 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, Netbook, ultra-mobile personal computer (UMPC), mobile Internet device (MID), augmented reality (AR)/virtual reality (VR) equipment, robots, wearables Wearable Device, Vehicle User Equipment (VUE), Pedestrian User Equipment (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), games terminal-side devices such as computers, personal computers (PCs), teller machines or self-service machines. Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, Smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. It should be noted that the embodiment of the present application does not limit the specific types of the remote terminal 21 and the relay terminal 22. The network side device 20 may include an access network device or a core network device, where the access network device 20 may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network device. Wireless access network unit. The access network device 20 may include a base station, a WLAN access point or a WiFi node, etc. The base station may be called a Node B, an Evolved Node B (Evolved Node B, eNB), an access point, or a Base Transceiver Station (Base Transceiver Station). BTS), radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), home B-node, home evolved B-node, Transmitting Receiving Point, TRP) or some other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application, only the base station in the NR system is taken as an example. This introduction does not limit the specific type of base station. Core network equipment may include but is not limited to at least one of the following: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Service Discovery function (Edge Application Server Discovery Function, EASDF), Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), centralized network configuration ( Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (Local NEF, or L-NEF), Binding Support Function (Binding Support Function, BSF), application function (Application Function, AF), etc. It should be noted that in the embodiment of this application, only the core network equipment in the NR system is used as an example for introduction, and the specific type of the core network equipment is not limited.

The relay control method, device, terminal and network-side equipment provided by the embodiments of the present application will be described in detail below through some embodiments and application scenarios with reference to the accompanying drawings.

As shown in Figure 3, this embodiment of the present application provides a relay control method. The execution subject of the method is the first terminal. In other words, the method can be executed by software or hardware installed on the first terminal. The first terminal may be one of the two remote terminals of the end-to-end relay communication service as shown in Figure 2. For example, it may be the sending end or source terminal, receiving end or target terminal of the end-to-end relay communication service. , the relay terminal of the end-to-end relay communication service may also be used. For the sake of simplicity, in the following embodiments, the first terminal is a remote terminal as an example for illustration. The relay control method includes the following steps.

S310. The first terminal receives first configuration information from the first network side device. The first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell where the first terminal is located and/or the Configuration information of end-to-end relay communication services.

The first network side device may be an access network device corresponding to the cell where the first terminal is located, that is, a base station.

Optionally, the business information may include at least one of the following:

Service types of supported end-to-end relay communication services;

Whether to support layer 2 (L2) end-to-end relay communication services;

Whether to support the end-to-end relay communication service of layer 3 (L3);

The maximum number of hops supported for end-to-end relay communication services;

Quality of Service (QoS) requirements for supported end-to-end relay communication services.

Optionally, the service type includes at least one of the following:

Emergency business;

Public Safety business;

Other commercial services that are not emergency services or public safety services.

The service type of the end-to-end relay communication service supported in the service information may be displayed as an indication, or may be determined based on whether the configuration information of the relevant end-to-end relay communication service is configured.

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

resource pool;

Radio Link Control (RLC) related configuration;

Media access control layer (Medium Access Control, MAC) related configuration;

Physical layer (Physical Layer, PHY) related configuration;

Maximum number of hops;

Split nodes for quality of service.

Optionally, whether the service information supports the end-to-end relay communication service of layer 2 (L2 U2U relay) and whether the end-to-end relay communication service of layer 3 (L3 U2U relay) is supported can also be expressed as whether Support layer 2 relay communication service (L2 relay) and whether to support layer 3 relay communication service (L3 relay). The L2 relay may include L2 U2U relay and L2 U2N relay, and the L3 relay may include L3 U2U relay and L3 U2N relay.

S320. The first terminal performs at least one of the following according to the first configuration information:

Determine whether to perform the end-to-end relay communication service;

Determine the execution mode of the end-to-end relay communication service.

The first terminal may configure the end-to-end relay communication service according to the end-to-end relay communication service supported by the cell in the first configuration information. The service information is used to determine whether the end-to-end relay communication service can be executed in the cell; the execution mode of the end-to-end relay communication service can also be determined according to the configuration information of the end-to-end relay communication service. The execution method may include: how to determine one or more relay terminals, how to establish a connection with the one or more relay terminals and the second terminal, how to obtain the configuration information of the end-to-end relay communication service, and how to report its own Related information, if QoS negotiation with one or more relay terminals and the second terminal is implemented and determination of access stratum (Access Stratum, AS) parameter configuration, etc. The second terminal is the other of the two remote terminals for the end-to-end relay communication service.

It can be known from the technical solutions of the above embodiments that the embodiments of the present application receive first configuration information from the first network side device. The first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell where it is located. /or the configuration information of the end-to-end relay communication service; and determine whether to execute the end-to-end relay communication service according to the first configuration information, and/or determine the end-to-end relay communication The execution mode of the service, thereby realizing the end-to-end relay communication service.

Based on the above embodiments, in one implementation, as shown in Figure 4, the method may include the following steps.

S410. The first terminal receives first configuration information from the first network side device, where the first configuration information is used to indicate service information of end-to-end relay communication services supported by the cell where the first terminal is located.

Optionally, the business information may include at least one of the following:

Service types of supported end-to-end relay communication services;

Whether to support the end-to-end relay communication service of layer 2;

Whether to support the end-to-end relay communication service of layer 3;

Service quality requirements for supported end-to-end relay communication services.

Optionally, the service type includes at least one of the following:

emergency business;

public safety operations;

The service type of the end-to-end relay communication service supported in the service information can be displayed as indicated, or can be determined based on whether the configuration information of the relevant end-to-end relay communication service is configured. The configuration information is as shown above. It can include resource pools, radio link control layer related configurations, media access control layer related configurations, physical layer related configurations, etc.

Optionally, whether the service information supports the end-to-end relay communication service of layer 2 and whether the end-to-end relay communication service of layer 3 is supported can also be expressed as whether the layer 2 relay communication service is supported and whether Supports layer 3 relay communication services. The L2 relay may include L2 U2U relay and L2 U2N relay, and the L3 relay may include L3 U2U relay and L3 U2N relay.

S420. The first terminal determines whether the cell where it is located supports the end-to-end relay communication service according to at least one of the following:

Whether the first terminal is authorized to perform end-to-end relay communication services;

Determine whether the cell where the cell is located supports authorized end-to-end relay communication services according to the first information, including support for at least one of service type, L2 or L3, maximum number of channels, and service quality requirements;

Whether the configuration information corresponding to the authorized end-to-end relay communication service is configured, such as resource pool, radio link control layer related configuration, media access control layer related configuration, physical layer related configuration, etc.

When the first terminal determines that the cell where it is located supports the end-to-end relay communication service, the first terminal may further implement the end-to-end relay communication according to the configuration information of the end-to-end relay communication service configured on the network side. business. The configuration information of the end-to-end relay communication service may originate from the first network side device or other network side devices. The configuration information may be carried by the first configuration information, or may be sent by other messages. The configuration information may also be provided by different network side devices according to the actual situation during the execution of the end-to-end relay communication service.

It should be noted that for a U2U relay communication service, a U2U relay connection can be established and communicated when at least one of the following conditions is met:

The sender or source terminal of the end-to-end relay communication service can perform U2U relay service in the cell where it is located;

The sender or source terminal and the receiver or destination terminal of the end-to-end relay communication service can all perform U2U relay services in the cell where they are located;

The sender or source terminal, receiver or destination terminal, and relay terminal of the end-to-end relay communication service can all perform U2U relay services in the cell where they are located;

The sender or source terminal of the end-to-end relay communication service and the relay terminal can perform U2U relay service in the cell where they are located;

The receiving end or destination terminal of the end-to-end relay communication service and the relay terminal can perform U2U relay service in the cell where they are located.

The conditions that need to be met can be stipulated in the protocol or indicated by the network side device.

It can be known from the technical solutions of the above embodiments that the embodiments of the present application receive first configuration information from the first network side device, where the first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell, Therefore, it can be determined whether the cell where the cell is located supports the end-to-end relay communication service, and when it is determined that the cell supports the end-to-end relay communication service, the end-to-end relay communication service can be implemented.

Based on the above embodiment, the first terminal can implement the end-to-end relay communication service based on the configuration information of the end-to-end relay communication service configured by the network side device. In one implementation, as shown in Figure 5 , the method may include the following steps.

S510. The first terminal performs a transmission process of a discovery message, and/or establishes a relay link corresponding to the end-to-end relay communication service.

The first terminal can determine the relay terminal used to implement the end-to-end relay communication service by sending a discovery message or receiving a discovery message sent by the relay terminal, and can also establish a connection with one or more relay terminals. and the connection between the second terminal.

The first terminal may perform step S510 after determining that the cell where it is located supports execution of the end-to-end relay communication service, that is, S520 may be performed after step S420 as shown in FIG. 4 .

S520: The first terminal obtains the configuration information of the end-to-end relay communication service from the second network side device.

The second network side device may be the first network side device or other network side device.

Optionally, the second network side device is an access network device corresponding to the cell where the following terminal equipment is located:

The sending end or source terminal of the end-to-end relay communication service;

The receiving end or target terminal of the end-to-end relay communication service;

At least one relay terminal of the end-to-end relay communication service.

The second network side device may be one or more fixed network side devices, or one or more may be selected from multiple candidate network side devices according to the actual network status.

The second network side device may be determined in various ways. In one embodiment, the second network side device may be determined by the first terminal based on the protocol agreement and/or the first network side device. Relevant instructions confirmed.

For example, the protocol stipulates that the configuration information of the end-to-end relay communication service is obtained from the access network device corresponding to the sending end of the end-to-end relay communication service or the cell where the source terminal is located; or, in only When the relay terminal is within network coverage, the configuration information of the end-to-end relay communication service is obtained from the access network device corresponding to the cell where the relay terminal is located.

In another implementation, the step S520 includes:

When the target terminal device is in the radio resource control connected state or within the network coverage, the first terminal obtains the configuration information of the end-to-end relay communication service from the second network side device through the target terminal device, The second network side device is an access network device corresponding to the cell where the target terminal device is located;

Wherein, the target terminal device is at least one of the following:

At least one relay terminal of the end-to-end relay communication service.

In one embodiment, the method further includes:

The first terminal sends the corresponding information of the first terminal in the end-to-end relay communication service to the second network side device. information. This step may be located before S520, or may be sent at any time or periodically during the execution of the end-to-end relay communication service.

Optionally, the relevant information of the first terminal includes at least one of the following:

The link information of the first terminal in the relay communication service;

Type information of the relay communication service, such as U2U relay or U2N Relay;

The number of hops that the first terminal needs to perform in the end-to-end relay communication service.

When the first terminal is a remote terminal, the relevant information of the first terminal may include: type information of the relay communication service and/or the role of the first terminal in the end-to-end relay communication service. The number of hops required.

When the first terminal is a relay terminal, the relevant information of the first terminal may include: the link information of the first terminal in the relay communication service and/or the location of the first terminal. Describes the number of hops required in the end-to-end relay communication service. Wherein, the link information of the first terminal in the relay communication service may include the number of relay communication services to which the first terminal is connected, including the number of connected U2U relays and the number of connected U2N relays. The number of remote UEs on the U2U relay and the number of remote UEs on the connected U2N relay.

Optionally, the relevant information of the first terminal is carried by side link terminal information (Sidelink UE information, SUI) or terminal assistance information (UE assistance information, UAI).

resource pool;

Wireless link control layer related configuration;

Media access control layer related configuration;

Physical layer related configuration;

Maximum number of hops;

A quality of service splitting node, which is used to perform QoS splitting.

Optionally, the quality of service splitting node is at least one of the following terminal devices:

The receiving end or destination terminal of the end-to-end relay communication service;

At least one relay terminal of the end-to-end relay communication service.

S530. The first terminal completes service quality negotiation and access layer parameter configuration determination with other terminal devices of the end-to-end relay communication service, thereby realizing the end-to-end relay communication service.

It can be known from the technical solutions of the above embodiments that the embodiments of the present application establish the relay link corresponding to the end-to-end relay communication service by executing the transmission process of the discovery message, and then obtain the end-to-end relay communication service from the determined second network side device. Configuration information of the end-to-end relay communication service, thereby realizing the end-to-end relay communication service.

For the relay control method provided by the embodiments of the present application, the execution subject may be a relay control device. In the embodiment of the present application, the relay control device executing the relay control method is taken as an example to illustrate the relay control device provided by the embodiment of the present application.

As shown in Figure 6, the relay control device includes: a transmission module 601 and an execution module 602.

The transmission module 601 is configured to receive first configuration information from the first network side device, where the first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell and/or the end-to-end Configuration information of relay communication services; the execution module 602 is configured to perform at least one of the following according to the first configuration information:

Determine whether to perform the end-to-end relay communication service;

Determine the execution mode of the end-to-end relay communication service.

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

Service types of supported end-to-end relay communication services;

Whether to support the end-to-end relay communication service of layer 2;

Whether to support the end-to-end relay communication service of layer 3;

Optionally, the service type includes at least one of the following:

emergency business;

public safety operations;

Based on the above embodiment, optionally, the execution module 602 is configured to determine whether the cell where the cell is located supports the end-to-end relay communication service according to at least one of the following:

Whether the relay control device is authorized to perform end-to-end relay communication services;

Determine whether the cell where the cell is located supports authorized end-to-end relay communication services according to the first configuration information;

Whether the configuration information corresponding to the authorized end-to-end relay communication service is configured.

It can be known from the technical solutions of the above embodiments that the embodiments of the present application receive first configuration information from the first network side device, where the first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell, Therefore, it can be determined whether the cell where the cell is located supports the end-to-end relay communication service, and it is determined that the cell supports the end-to-end relay communication service. In the case of relay communication services, end-to-end relay communication services are implemented.

Based on the above embodiments, optionally, the execution module 602 is configured to execute a discovery message transmission process and/or establish a relay link corresponding to the end-to-end relay communication service.

Optionally, the transmission module 601 is also configured to obtain the configuration information of the end-to-end relay communication service from the second network side device.

Optionally, the second network side device determines based on at least one of the following methods:

agreement;

Relevant instructions of the first network side device.

At least one relay terminal of the end-to-end relay communication service.

Optionally, the transmission module 601 is configured to obtain the end-to-end relay from the second network side device through the target terminal device when the target terminal device is in a radio resource control connection state or within network coverage. Configuration information of communication services;

Wherein, the target terminal device is at least one of the following:

At least one relay terminal of the end-to-end relay communication service.

resource pool;

Wireless link control layer related configuration;

Media access control layer related configuration;

Physical layer related configuration;

Maximum number of hops;

Split nodes for quality of service.

At least one relay terminal of the end-to-end relay communication service.

Optionally, the execution module 602 is also configured to send the end-to-end relay communication service to the second network side device. Relevant information of the relay control device.

Optionally, the relevant information of the relay control device includes at least one of the following:

The link information of the relay control device in the relay communication service;

Type information of relay communication services;

The number of hops that the relay control device needs to perform in the end-to-end relay communication service.

Optionally, the relevant information of the relay control device is carried by secondary link terminal information or terminal auxiliary information.

Optionally, the execution module 602 is also configured to complete service quality negotiation and access layer parameter configuration determination with other terminal devices of the end-to-end relay communication service.

The relay control device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip. The electronic device may be a terminal or other devices other than the terminal. For example, terminals may include but are not limited to the types of terminals 11 listed above, and other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., which are not specifically limited in the embodiment of this application.

The relay control device provided by the embodiments of the present application can implement each process implemented by the method embodiments in Figures 3 to 5 and achieve the same technical effect. To avoid duplication, details will not be described here.

As shown in Figure 7, the embodiment of the present application provides a relay control method. The execution subject of the method is the network side device as shown in Figure 2. Specifically, it can be the first network side device corresponding to the cell where the first terminal is located. device, the method may be executed by software or hardware installed on the first network side device. The method includes the following steps.

S710. The first network side device sends first configuration information to the first terminal, where the first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell where the first terminal is located and/or the Configuration information of end-to-end relay communication services.

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

Service types of supported end-to-end relay communication services;

Whether to support the end-to-end relay communication service of layer 2;

Whether to support the end-to-end relay communication service of layer 3;

Optionally, the service type includes at least one of the following:

emergency business;

public safety operations;

Step S710 can implement the method embodiment shown in Figures 3-4 and obtain the same technical effect, and the repeated parts will not be described again here.

It can be known from the technical solutions of the above embodiments that the embodiments of the present application send first configuration information to the first terminal. The first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell where the first terminal is located. and/or the configuration information of the end-to-end relay communication service, thereby realizing the end-to-end relay communication service.

Based on the above embodiment, optionally, the method further includes:

The first network side device sends the configuration information of the end-to-end relay communication service to the target terminal device;

The target terminal device is at least one of the following:

At least one relay terminal of the end-to-end relay communication service.

resource pool;

Wireless link control layer related configuration;

Media access control layer related configuration;

Physical layer related configuration;

Maximum number of hops;

Split nodes for quality of service.

At least one relay terminal of the end-to-end relay communication service.

Optionally, the method also includes:

The first network side device receives relevant information of the first terminal in the end-to-end relay communication service from the first device.

The link information of the first terminal in the relay communication service;

Type information of relay communication services;

Optionally, the related information of the first terminal is carried by secondary link terminal information or terminal auxiliary information.

The embodiments of the present application can implement the method embodiment shown in Figure 5 and obtain the same technical effect, and the repeated parts will not be described again here.

It can be known from the technical solutions of the above embodiments that the embodiments of the present application implement the end-to-end relay communication service by sending the configuration information of the end-to-end relay communication service to the target terminal device.

As shown in Figure 8, the relay control device includes: a configuration module 801 and a transceiver module 802.

The configuration module 801 is used to obtain first configuration information. The first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell where the first terminal is located and/or the end-to-end relay communication. Configuration information of the service; the transceiving module 802 is configured to send the first configuration information to the first terminal.

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

Service types of supported end-to-end relay communication services;

Whether to support the end-to-end relay communication service of layer 2;

Whether to support the end-to-end relay communication service of layer 3;

Optionally, the service type includes at least one of the following:

emergency business;

public safety operations;

It can be known from the technical solutions of the above embodiments that the embodiments of the present application send first configuration information to the first terminal. The first configuration information is used to indicate the end-to-end relay communication service supported by the cell where the first terminal is located. Service information and/or configuration information of the end-to-end relay communication service, thereby realizing the end-to-end relay communication service.

Based on the above embodiment, optionally, the transceiving module 802 is configured to send the configuration information of the end-to-end relay communication service to the target terminal device;

The target terminal device is at least one of the following:

At least one relay terminal of the end-to-end relay communication service.

resource pool;

Wireless link control layer related configuration;

Media access control layer related configuration;

Physical layer related configuration;

Maximum number of hops;

Split nodes for quality of service.

At least one relay terminal of the end-to-end relay communication service.

Optionally, the transceiving module 802 is also configured to receive relevant information about the first terminal in the end-to-end relay communication service from the first device.

The link information of the first terminal in the relay communication service;

Type information of relay communication services;

The relay control device provided by the embodiment of the present application can implement each process implemented by the method embodiment in Figure 7 and achieve the same technical effect. To avoid duplication, the details will not be described here.

Optionally, as shown in Figure 9, this embodiment of the present application also provides a communication device 900, which includes a processor 901 and a memory 902. The memory 902 stores programs or instructions that can be run on the processor 901, for example. , when the communication device 900 is a terminal, when the program or instruction is executed by the processor 901, each step of the above relay control method embodiment is implemented, and the same technical effect can be achieved. When the communication device 900 is a network-side device, the program or instruction is processed When the processor 901 is executed, each step of the above relay control method embodiment is implemented, and the same technical effect can be achieved. To avoid duplication, the details will not be described here.

An embodiment of the present application also provides a terminal, including a processor and a communication interface. The processor is configured to perform at least one of the following according to the first configuration information: determining whether to execute the end-to-end relay communication service; determining the In the execution mode of the end-to-end relay communication service, the communication interface is used to receive the first configuration information from the first network side device, and the first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell. and/or the configuration information of the end-to-end relay communication service. This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect. Specifically, FIG. 10 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.

The terminal 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, a processor 1010, etc. At least some parts.

Those skilled in the art can understand that the terminal 1000 may also include a power supply (such as a battery) that supplies power to various components. The power supply may be logically connected to the processor 1010 through a power management system, thereby managing charging, discharging, and power consumption through the power management system. Management and other functions. The terminal structure shown in FIG. 10 does not constitute a limitation on the terminal. The terminal may include more or fewer components than shown in the figure, or some components may be combined or arranged differently, which will not be described again here.

It should be understood that in the embodiment of the present application, the input unit 1004 may include a graphics processing unit (GPU) 10041 and a microphone 10042. The GPU 10041 is used for recording images by an image capture device (such as a camera) in the video capture mode or the image capture mode. The image data obtained from still pictures or videos is processed. The display unit 1006 may include a display panel 10061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes at least one of a touch panel 10071 and other input devices 10072 . Touch panel 10071, also known as touch screen. The touch panel 10071 may include two parts: a touch detection device and a touch controller. Other input devices 10072 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 described again here.

In this embodiment of the present application, after receiving downlink data from the network side device, the radio frequency unit 1001 can transmit it to the processor 1010 for processing; in addition, the radio frequency unit 1001 can send uplink data to the network side device. Generally, the radio frequency unit 1001 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

Memory 1009 may be used to store software programs or instructions as well as various data. The memory 1009 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc. also, Memory 1009 may include volatile memory or nonvolatile memory, or memory 1009 may include both volatile and nonvolatile memory. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM). The memory 1009 in the embodiment of the present application includes, but is not limited to, these and any other suitable types of memory.

The processor 1010 may include one or more processing units; optionally, the processor 1010 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1010.

The radio frequency unit 1001 is configured to receive first configuration information from the first network side device, where the first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell and/or the end-to-end relay communication service. Configuration information of terminal relay communication service.

Processor 1010, configured to perform at least one of the following according to the first configuration information:

Determine whether to perform the end-to-end relay communication service;

Determine the execution mode of the end-to-end relay communication service.

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

Service types of supported end-to-end relay communication services;

Whether to support the end-to-end relay communication service of layer 2;

Whether to support the end-to-end relay communication service of layer 3;

Optionally, the service type includes at least one of the following:

emergency business;

public safety operations;

The embodiments of this application can realize end-to-end relay communication services.

Based on the above embodiment, optionally, the processor 1010 is configured to determine whether the cell where it is located supports the end-to-end relay communication service according to at least one of the following:

Based on the above embodiment, optionally, the processor 1010 is configured to perform a discovery message transmission process and/or establish a relay link corresponding to the end-to-end relay communication service.

Optionally, the radio frequency unit 1001 is also configured to obtain the configuration information of the end-to-end relay communication service from the second network side device.

agreement;

Relevant instructions of the first network side device.

At least one relay terminal of the end-to-end relay communication service.

Optionally, the radio frequency unit 1001 is configured to obtain the end-to-end relay from the second network side device through the target terminal device when the target terminal device is in a radio resource control connection state or within network coverage. Configuration information of communication services;

Wherein, the target terminal device is at least one of the following:

At least one relay terminal of the end-to-end relay communication service.

resource pool;

Wireless link control layer related configuration;

Media access control layer related configuration;

Physical layer related configuration;

Maximum number of hops;

Split nodes for quality of service.

At least one relay terminal of the end-to-end relay communication service.

Optionally, the processor 1010 is also configured to send relevant information about the relay control device in the end-to-end relay communication service to the second network side device.

Type information of relay communication services;

Optionally, the processor 1010 is also configured to complete service quality negotiation and access layer parameter configuration determination with other terminal devices of the end-to-end relay communication service.

The embodiments of the present application can realize the end-to-end relay communication service.

Embodiments of the present application also provide a network side device, including a processor and a communication interface. The processor is configured to obtain first configuration information. The first configuration information is used to indicate end-to-end relay communication supported by the cell where the first terminal is located. The service information of the service and/or the configuration information of the end-to-end relay communication service, and the communication interface is used to send the first configuration information to the first terminal. This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.

Specifically, the embodiment of the present application also provides a network side device. As shown in FIG. 11 , the network side device 1100 includes: an antenna 111 , a radio frequency device 112 , a baseband device 113 , a processor 114 and a memory 115 . The antenna 111 is connected to the radio frequency device 112 . In the uplink direction, the radio frequency device 112 receives information through the antenna 111 and sends the received information to the baseband device 113 for processing. In the downlink direction, the baseband device 113 processes the information to be sent and sends it to the radio frequency device 112. The radio frequency device 112 processes the received information and then sends it out through the antenna 111.

The method performed by the network side device in the above embodiment can be implemented in the baseband device 113, which includes a baseband processor.

The baseband device 113 may include, for example, at least one baseband board on which multiple chips are disposed, as shown in FIG. Program to perform the network device operations shown in the above method embodiments.

The network side device may also include a network interface 116, which is, for example, a common public wireless interface. public radio interface (CPRI).

Specifically, the network side device 1100 in this embodiment of the present invention also includes: instructions or programs stored in the memory 115 and executable on the processor 114. The processor 114 calls the instructions or programs in the memory 115 to execute each of the steps shown in Figure 8. The method of module execution and achieving the same technical effect will not be described in detail here to avoid duplication.

Embodiments of the present application also provide a readable storage medium. Programs or instructions are stored on the readable storage medium. When the program or instructions are executed by a processor, each process of the above relay control method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.

Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.

An embodiment of the present application further provides a chip. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the above embodiments of the relay control method. Each process can achieve the same technical effect. To avoid repetition, we will not go into details here.

It should be understood that the chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.

Embodiments of the present application further provide a computer program/program product. The computer program/program product is stored in a storage medium. The computer program/program product is executed by at least one processor to implement the above relay control method. Each process in the example can achieve the same technical effect. To avoid repetition, it will not be described again here.

Embodiments of the present application also provide a relay control system, including: a terminal and a network side device. The terminal can be used to perform the steps of the relay control method as described above. The network side device can be used to perform the steps of the relay control method as described above. The steps of the relay control method.

It should be noted that, in this document, the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or apparatus. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article or apparatus that includes that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions may be performed, for example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can It can be implemented with the help of software plus the necessary common hardware platform. Of course, it can also be implemented through hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to the existing technology. The computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Inspired by this application, many forms can be made without departing from the purpose of this application and the scope protected by the claims, all of which fall within the protection of this application.

Claims

A relay control method includes:

The first terminal receives first configuration information from the first network side device. The first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell where the first terminal is located and/or the end-to-end relay communication service. Configuration information of terminal relay communication service;

The first terminal performs at least one of the following according to the first configuration information:

Determine whether to perform the end-to-end relay communication service;

Determine the execution mode of the end-to-end relay communication service.
The method according to claim 1, wherein the business information includes at least one of the following:

Service types of supported end-to-end relay communication services;

Whether to support the end-to-end relay communication service of layer 2;

Whether to support the end-to-end relay communication service of layer 3;

The maximum number of hops supported for end-to-end relay communication services;

Service quality requirements for supported end-to-end relay communication services.
The method according to claim 2, wherein the service type includes at least one of the following:

emergency business;

public safety operations;

Other commercial services that are not emergency services or public safety services.
The method according to claim 1, wherein the first terminal determines whether to perform the end-to-end relay communication service according to the first configuration information including:

The first terminal determines whether the cell where it is located supports the end-to-end relay communication service based on at least one of the following:

Whether the first terminal is authorized to perform end-to-end relay communication services;

Determine whether the cell where the cell is located supports authorized end-to-end relay communication services according to the first configuration information;

Whether the configuration information corresponding to the authorized end-to-end relay communication service is configured.
The method of claim 1, further comprising:

The first terminal performs a discovery message transmission process and/or establishes a relay link corresponding to the end-to-end relay communication service.
The method of claim 1, further comprising:

The first terminal obtains the configuration information of the end-to-end relay communication service from the second network side device.
The method according to claim 6, wherein the second network side device is determined by the first terminal based on at least one of the following methods:

agreement;

Relevant instructions of the first network side device.
The method according to claim 6, wherein the second network side device is an access network device corresponding to the cell where the following terminal equipment is located:

The sending end or source terminal of the end-to-end relay communication service;

The receiving end or target terminal of the end-to-end relay communication service;

At least one relay terminal of the end-to-end relay communication service.
The method according to claim 6, wherein the first terminal obtaining the configuration information of the end-to-end relay communication service from the second network side device includes:

When the target terminal device is in the radio resource control connected state or within the network coverage, the first terminal obtains the configuration information of the end-to-end relay communication service from the second network side device through the target terminal device;

Wherein, the target terminal device is at least one of the following:

The sending end or source terminal of the end-to-end relay communication service;

The receiving end or target terminal of the end-to-end relay communication service;

At least one relay terminal of the end-to-end relay communication service.
The method according to claim 1, 4 or 6, wherein the configuration information includes at least one of the following:

resource pool;

Wireless link control layer related configuration;

Media access control layer related configuration;

Physical layer related configuration;

Maximum number of hops;

Split nodes for quality of service.
The method according to claim 10, wherein the splitting node of the quality of service is at least one of the following terminal devices:

The sending end or source terminal of the end-to-end relay communication service;

The receiving end or target terminal of the end-to-end relay communication service;

At least one relay terminal of the end-to-end relay communication service.
The method of claim 6, further comprising:

The first terminal sends the corresponding information of the first terminal in the end-to-end relay communication service to the second network side device. information.
The method according to claim 12, wherein the related information of the first terminal includes at least one of the following:

The link information of the first terminal in the relay communication service;

Type information of relay communication services;

The number of hops that the first terminal needs to perform in the end-to-end relay communication service.
The method according to claim 13, wherein the related information of the first terminal is carried by secondary link terminal information or terminal auxiliary information.
The method of claim 10, wherein the method further includes:

The first terminal completes service quality negotiation and access layer parameter configuration determination with other terminal devices of the end-to-end relay communication service.
A relay control device including:

A transmission module configured to receive first configuration information from the first network side device, where the first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell and/or the end-to-end relay Configuration information of communication services;

An execution module, configured to execute at least one of the following according to the first configuration information:

Determine whether to perform the end-to-end relay communication service;

Determine the execution mode of the end-to-end relay communication service.
A relay control method, which includes:

The first network side device sends first configuration information to the first terminal. The first configuration information is used to indicate the service information of the end-to-end relay communication service supported by the cell where the first terminal is located and/or the end-to-end relay communication service. Configuration information of terminal relay communication service.
The method according to claim 17, wherein the business information includes at least one of the following:

Service types of supported end-to-end relay communication services;

Whether to support the end-to-end relay communication service of layer 2;

Whether to support the end-to-end relay communication service of layer 3;

The maximum number of hops supported for end-to-end relay communication services;

Service quality requirements for supported end-to-end relay communication services.
The method according to claim 18, wherein the service type includes at least one of the following:

emergency business;

public safety operations;

Other commercial services that are not emergency services or public safety services.
The method of claim 17, further comprising:

The first network side device sends the configuration information of the end-to-end relay communication service to the target terminal device;

The target terminal device is at least one of the following:

The sending end or source terminal of the end-to-end relay communication service;

The receiving end or target terminal of the end-to-end relay communication service;

At least one relay terminal of the end-to-end relay communication service.
The method according to claim 17 or 20, wherein the configuration information includes at least one of the following:

resource pool;

Wireless link control layer related configuration;

Media access control layer related configuration;

Physical layer related configuration;

Maximum number of hops;

Split nodes for quality of service.
The method according to claim 21, wherein the splitting node of the service quality is at least one of the following terminal devices:

The sending end or source terminal of the end-to-end relay communication service;

The receiving end or target terminal of the end-to-end relay communication service;

At least one relay terminal of the end-to-end relay communication service.
The method of claim 20, wherein the method further includes:

The first network side device receives relevant information of the first terminal in the end-to-end relay communication service from the first device.
The method according to claim 23, wherein the related information of the first terminal includes at least one of the following:

The link information of the first terminal in the relay communication service;

Type information of relay communication services;

The number of hops that the first terminal needs to perform in the end-to-end relay communication service.
The method according to claim 24, wherein the related information of the first terminal is carried by secondary link terminal information or terminal auxiliary information.
A relay control device including:

Configuration module, configured to obtain first configuration information, where the first configuration information is used to indicate that the cell where the first terminal is located supports The service information of the end-to-end relay communication service and/or the configuration information of the end-to-end relay communication service;

A transceiver module, configured to send first configuration information to the first terminal.
A terminal, including a processor and a memory, the memory stores programs or instructions that can be run on the processor, and when the programs or instructions are executed by the processor, the implementation of any one of claims 1 to 15 is achieved. The steps of the relay control method described above.
A network-side device, including a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, any one of claims 17 to 25 is implemented. The steps of the relay control method described in the item.
A readable storage medium on which programs or instructions are stored. When the programs or instructions are executed by a processor, the relay control method as described in any one of claims 1-15 is implemented, or as The steps of the relay control method according to any one of claims 17 to 25.