CN117412409A

CN117412409A - Relay control method, relay control device, terminal and network side equipment

Info

Publication number: CN117412409A
Application number: CN202210796184.1A
Authority: CN
Inventors: 梁敬
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2024-01-16
Also published as: WO2024007961A1

Abstract

The application discloses a relay control method, a device, a terminal and network side equipment, which belong to the field of mobile communication, and the relay control method in the embodiment of the application comprises the following steps: the method comprises the steps that a first terminal receives first configuration information from first network side equipment, 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; the first terminal executes at least one of the following according to the first configuration information: determining whether to perform the end-to-end relay communication service; and determining the execution mode of the end-to-end relay communication service.

Description

Relay control method, relay control device, terminal and network side equipment

Technical Field

The application belongs to the technical field of mobile communication, and particularly relates to a relay control method, a relay control device, a terminal and network side equipment.

Background

A Relay (Relay) technology in a wireless communication system is that one or more Relay nodes are added between a base station (the next Generation Node B, gNB) and a terminal (also referred to as User Equipment (UE)) and are responsible for forwarding a wireless signal one or more times, that is, the wireless signal can reach the terminal through multiple hops. The wireless relay technology not only can be used for expanding cell coverage and compensating cell coverage blind points, but also can improve cell capacity through space resource multiplexing. For indoor coverage, the Relay technology can also play a role in overcoming the penetration loss and improving the indoor coverage quality.

A typical scenario of the related art is a terminal-to-network relay (UEto network relay, U2 Nrelay) communication scenario as shown in fig. 1, where a remote terminal 14 (remote UE) needs to transmit data with a base station 12, and the base station 12 is connected to a network side server 11, but is poorly covered and needs a relay terminal (relay UE) to relay the data, where a Uu interface is between the relay terminal 13 and the base station 12, and a sidelink interface (PC 5) is between the relay terminal 13 and the base station 12.

Compared with the end-to-network relay communication, the end-to-end relay (U2 relay) communication is to connect two different remote terminals through a relay terminal, and the related art has not specific implementation method for the end-to-end relay communication service.

Disclosure of Invention

The embodiment of the application provides a relay control method, a relay control device, a terminal and network side equipment, which can realize end-to-end relay communication service.

In a first aspect, a relay control method is provided, applied to a first terminal, and the method includes:

the method comprises the steps that a first terminal receives first configuration information from first network side equipment, 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;

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

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

and determining the execution mode of the end-to-end relay communication service.

In a second aspect, there is provided a relay control apparatus including:

the transmission module is used for receiving first configuration information from first network side equipment, wherein the first configuration information is used for indicating service information of an end-to-end relay communication service supported by a cell and/or configuration information of the end-to-end relay communication service;

the execution module is used for executing at least one of the following according to the first configuration information:

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

In a third aspect, a relay control method is provided, applied to a first network side device, and the method includes:

the first network side equipment sends first configuration information to a first terminal, 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.

In a fourth aspect, there is provided a relay control apparatus including:

The configuration module is used for acquiring first configuration information, wherein the first configuration information is used for indicating service information of an end-to-end relay communication service supported by a cell where a first terminal is located and/or configuration information of the end-to-end relay communication service;

and the receiving and transmitting module is used for transmitting the first configuration information to the first terminal.

In a fifth aspect, there is provided a terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the first aspect.

In a sixth aspect, a terminal is provided, including a processor and a communication interface, where the processor is configured to perform at least one of the following according to the first configuration information: determining whether to perform the end-to-end relay communication service; determining an execution mode of the end-to-end relay communication service, wherein the communication interface is used for receiving first configuration information from first network side equipment, and the first configuration information is used for indicating service information of the end-to-end relay communication service supported by a cell and/or configuration information of the end-to-end relay communication service.

In a seventh aspect, a network side device is provided, comprising a processor and a memory storing a program or instructions executable on the processor, which program or instructions when executed by the processor implement the steps of the method as described in the first aspect.

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

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

In a tenth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor, performs the steps of the method according to the first aspect, or performs the steps of the method according to the third aspect.

In an eleventh aspect, there is provided a chip comprising a processor and a communication interface, the communication interface and the processor being coupled, the processor being for running a program or instructions to implement the method according to the first aspect or to implement the method according to the third aspect.

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

In the embodiment of the application, first configuration information is received from first network side equipment, wherein the first configuration information is used for indicating service information of an end-to-end relay communication service supported by a cell and/or configuration information of the end-to-end relay communication service; and determining whether to execute the end-to-end relay communication service and/or determining an execution mode of the end-to-end relay communication service according to the first configuration information, thereby realizing the end-to-end relay communication service.

Drawings

Fig. 1 is a schematic structural diagram of a wireless communication system according to a related art embodiment;

Fig. 2 is a schematic structural diagram of a wireless communication system to which embodiments of the present application are applicable;

fig. 3 is a schematic flow chart of a relay control method according to an embodiment of the present application;

fig. 4 is a schematic flow chart of another relay control method according to an embodiment of the present application;

fig. 5 is a schematic flow chart of another relay control method according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a relay control device according to an embodiment of the present application;

fig. 7 is a schematic flow chart of another relay control method according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of another relay control device according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a communication device according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of a terminal implementing an embodiment of the present application;

fig. 11 is a schematic structural diagram of a network side device for implementing an embodiment of the present application.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally intended to be used in a generic sense and not to limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.

It is noted that the techniques described in embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (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 (Single-carrier FrequencyDivision Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in embodiments of the present application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radio technologies. The following description describes a new air interface (NR) system for purposes of example and uses NR terminology in much of the description that follows, but these techniques are also applicable to applications other than NR system applications, such as generation 6 (6) ^th 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. The remote terminal 21 and the relay terminal 22 may be a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop Computer) or a terminal-side Device called a notebook, a personal digital assistant (Personal Digital Assistant, PDA), a palm Computer, a netbook, an ultra-mobile personal Computer (ultra-mobile personal Computer, UMPC), a mobile internet appliance (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) Device, a robot, a Wearable Device (Weiable Device), a vehicle-mounted Device (Vehicle User Equipment, VUE), a pedestrian terminal (Pedestrian User Equipment, PUE), a smart home (home Device with a wireless communication function, such as a refrigerator, a television, a washing machine, or furniture), a game machine, a personal Computer (personal Computer, PC), a teller machine, or a self-service machine, and the like, the Wearable Device includes: intelligent wrist-watch, intelligent bracelet, intelligent earphone, intelligent glasses, intelligent ornament (intelligent bracelet, intelligent ring, intelligent necklace, intelligent anklet, intelligent foot chain etc.), intelligent wrist strap, intelligent clothing etc.. It should be noted that the specific types of the remote terminal 21 and the relay terminal 22 are not limited in the embodiments of the present application. The network-side device 20 may comprise an access network device or a core network device, wherein the access network device 20 may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network element. The access network device 20 may include a base station, a WLAN access point, a WiFi Node, or the like, which may be referred to as a Node B, an Evolved Node B (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home Node B, a home Evolved Node B, a transmitting/receiving point (TransmittingReceivingPoint, TRP), or some other suitable terminology in the art, and the base station is not limited to a specific technical vocabulary so long as the same technical effect is achieved, and it should be noted that, in the embodiment of the present application, only a base station in an NR system is described as an example, and the specific type of the base station is not limited. The core network device may include, but is not limited to, at least one of: a core network node, a core network function, a mobility management entity (Mobility Management Entity, MME), an access mobility management function (Access and Mobility Management Function, AMF), a session management function (Session Management Function, SMF), a user plane function (User Plane Function, UPF), a policy control function (Policy Control Function, PCF), a policy and charging rules function (Policy and Charging Rules Function, PCRF), an edge application service discovery function (EdgeApplicationServerDiscoveryFunction, EASDF), unified data management (Unified Data Management, UDM), unified data repository (Unified Data Repository, UDR), a home subscriber server (Home Subscriber Server, HSS), a centralized network configuration (Centralized network configuration, CNC), a network storage function (Network Repository Function, NRF), a network opening function (NetworkExposureFunction, NEF), a local NEF (LocalNEF, or L-NEF), a binding support function (Binding Support Function, BSF), an application function (Application Function, AF), and the like. In the embodiment of the present application, only the core network device in the NR system is described as an example, and the specific type of the core network device is not limited.

The relay control method, the device, the terminal and the network side equipment provided by the embodiment of the application are described in detail below through some embodiments and application scenes thereof with reference to the accompanying drawings.

As shown in fig. 3, the embodiment of the present application provides a relay control method, where the execution body of the method is a first terminal, in other words, the method may be executed by software or hardware installed in the first terminal. The first terminal may be one of two remote terminals of the end-to-end relay communication service as shown in fig. 2, for example, may be a transmitting end or a source terminal, a receiving end or a target terminal of the end-to-end relay communication service, or may be a relay terminal of the end-to-end relay communication service, which is exemplified as a remote terminal in the following embodiments for simplicity. The relay control method includes the following steps.

S310, the first terminal receives first configuration information from first network side equipment, 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.

The first network side device may be an access network device, i.e. a base station, corresponding to the cell in which the first terminal is located.

Optionally, the service information may include at least one of:

the service type of the supported end-to-end relay communication service;

whether or not to support layer 2 (L2) end-to-end relay communication services;

whether or not to support layer 3 (L3) end-to-end relay communication services;

the maximum hop count of the supported end-to-end relay communication service;

the quality of service (Quality of Service, qoS) requirements of the supported end-to-end relay communication traffic.

Optionally, the service type includes at least one of:

emergency (Emergency) service;

public Safety (Public Safety) service;

non-emergency services or other Commercial (common) services of public safety services.

The service type of the end-to-end relay communication service supported in the service information can be display indication, or can be determined according to whether the configuration information of the related end-to-end relay communication service is configured.

Optionally, the configuration information includes at least one of:

a resource pool;

a radio link control layer (Radio Link Control, RLC) related configuration;

a medium access control layer (Medium Access Control, MAC) -related configuration;

physical Layer (PHY) related configuration;

maximum number of hops;

split node of quality of service.

Alternatively, whether to support the end-to-end relay communication service (L2U relay) of the layer 2 and whether to support the end-to-end relay communication service (L3U 2 relay) of the layer 3 in the service information may also be used as the relay communication service (L2 relay) of the layer 2 and the relay communication service (L3 relay) of the layer 3. The L2 relay may include an L2U 2U2 relay and an L2U 2Nrelay, and the L3 relay may include an L3U 2Urelay and an L3U 2Nrelay.

S320, the first terminal executes at least one of the following according to the first configuration information:

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

The first terminal can determine whether to execute the end-to-end relay communication service in the cell according to the service information of the end-to-end relay communication service supported by the cell in which the first configuration information is located; the execution mode of the end-to-end relay communication service can be determined according to the configuration information of the end-to-end relay communication service, and the execution mode can include: how to determine one or more relay terminals, how to establish connection with the one or more relay terminals and the second terminal, how to acquire configuration information of the end-to-end relay communication service, how to report relevant information of the one or more relay terminals, and if QoS negotiation with the one or more relay terminals and the second terminal and determination of Access Stratum (AS) parameter configuration are implemented, etc. The second terminal is the other of the two remote terminals relaying communication traffic end-to-end.

As can be seen from the technical solutions of the foregoing embodiments, in the embodiments of the present application, first configuration information is received from a first network side device, where the first configuration information is used to indicate service information of an end-to-end relay communication service supported by a cell where the first configuration information is located and/or configuration information of the end-to-end relay communication service; and determining whether to execute the end-to-end relay communication service and/or determining an execution mode of the end-to-end relay communication service according to the first configuration information, thereby realizing the end-to-end relay communication service.

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

S410, the first terminal receives first configuration information from first network side equipment, 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.

Optionally, the service information may include at least one of:

the service type of the supported end-to-end relay communication service;

whether or not to support layer 2 end-to-end relay traffic;

whether or not to support layer 3 end-to-end relay traffic;

the maximum hop count of the supported end-to-end relay communication service;

The quality of service requirements of the supported end-to-end relay communication service.

Optionally, the service type includes at least one of:

emergency services;

public safety business;

other commercial services other than emergency services or public safety services.

The service type of the end-to-end relay communication service supported in the service information may be a display indication, or may be determined according to whether the configuration information of the relevant end-to-end relay communication service is configured, where the configuration information may include a resource pool, a radio link control layer related configuration, a media access control layer related configuration, a physical layer related configuration, and the like, as shown above.

Alternatively, whether to support the end-to-end relay communication service of the layer 2 and whether to support the end-to-end relay communication service of the layer 3 in the service information may also be expressed as whether to support the relay communication service of the layer 2 and whether to support the relay communication service of the layer 3. The L2 relay may include an L2U 2U relay and an L2U 2N relay, and the L3 relay may include an L3U 2U relay and an L3U 2N relay.

S420, the first terminal determines whether the cell 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 service;

determining whether the cell supports authorized end-to-end relay communication service according to the first information, wherein the support comprises support of at least one of service type, L2 or L3, maximum number of paths and service quality requirement;

whether configuration information corresponding to the authorized end-to-end relay communication service is configured, such as a resource pool, a radio link control layer related configuration, a medium access control layer related configuration, a physical layer related configuration, and the like.

The first terminal can further realize the end-to-end relay communication service according to the configuration information of the end-to-end relay communication service configured by the network side under the condition that the cell supports the end-to-end relay communication service. 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 can also be provided by different network side devices according to the actual situation in the execution process of the end-to-end relay communication service.

For a U2U relay communication service, the U2U relay connection may be established and communication may be performed when at least one of the following conditions is satisfied:

the sending end or the source terminal of the end-to-end relay communication service can carry out U2U relay service under the cell where the sending end or the source terminal is located;

the sending end or the source terminal of the end-to-end relay communication service and the receiving end or the destination terminal can perform U2U relay service under the cell;

the sending end or source terminal, receiving end or destination terminal of the end-to-end relay communication service and the relay terminal can all perform U2U relay service under the cell;

the sending end or the source terminal of the end-to-end relay communication service and the relay terminal can perform U2U relay service in the cell;

the receiving end or the destination terminal of the end-to-end relay communication service can perform U2U relay service under the cell where the relay terminal is located.

The conditions that need to be met may be agreed upon by the protocol or indicated by the network side device.

As can be seen from the technical solutions of the foregoing embodiments, in the embodiments of the present application, first configuration information is received from a first network side device, where the first configuration information is used to indicate service information of an end-to-end relay communication service supported by a cell where the first configuration information is located, so that whether the cell where the first configuration information is located supports to perform the end-to-end relay communication service or not can be determined, and the end-to-end relay communication service is implemented when the cell where the first configuration information is determined to support to perform the end-to-end relay communication service.

Based on the above embodiment, the first terminal may 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, and in an implementation, as shown in fig. 5, the method may include the following steps.

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

The first terminal may determine a relay terminal for implementing an end-to-end relay communication service by transmitting a discovery message or receiving a discovery message transmitted by the relay terminal, and may also establish a connection with one or more relay terminals and a second terminal.

The first terminal may perform step S510 after determining that the cell in which the first terminal is located supports performing the end-to-end relay communication service, i.e., step S520 may be performed after step S420 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 equipment.

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

Optionally, the second network side device is an access network device corresponding to a cell in which the following terminal device is located:

The end-to-end relay communication service is a sending end or a source terminal;

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

at least one relay terminal for relaying communication traffic from end to end.

The second network side device may be one or more fixed network side devices, or may be one or more selected from a plurality of candidate network side devices according to an actual network state.

The manner of determining the second network side device may be varied, and in an embodiment, the second network side device may be determined by the first terminal based on a protocol convention and/or a related instruction of the first network side device.

For example, the protocol agrees to obtain configuration information of the end-to-end relay communication service from an access network device corresponding to a cell where a sending end or a source terminal of the end-to-end relay communication service is located; or under the condition that only the relay terminal is in the network coverage range, acquiring the configuration information of the end-to-end relay communication service from the access network equipment corresponding to the cell where the relay terminal is located.

In another embodiment, the step S520 includes:

under the condition that the radio resource control connection state or the network coverage range of target terminal equipment is in, the first terminal acquires configuration information of the end-to-end relay communication service from second network side equipment through the target terminal equipment, wherein the second network side equipment is access network equipment corresponding to a cell where the target terminal equipment is located;

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

at least one relay terminal for relaying communication traffic from end to end.

In one embodiment, the method further comprises:

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

Optionally, 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;

the type information of the relay communication service is, for example, U2 urea or U2NRelay;

the first terminal relays the number of hops that need to be made in the communication service from end to end.

In the case that the first terminal is a remote terminal, the related information of the first terminal may include: the type information of the relay communication service and/or the number of hops the first terminal needs to perform in the end-to-end relay communication service.

In the case that the first terminal is a relay terminal, the related information of the first terminal may include: the link information of the first terminal in the relay communication service and/or the hop count required by the first terminal in the end-to-end relay communication service. The link information of the first terminal in the relay communication service may include the number of relay communication services connected by the first terminal, including the number of connected U2 UEs and the number of connected U2N relays, the number of remote UEs of the connected U2U relays, and the number of remote UEs of the connected U2N relays.

Optionally, the related information of the first terminal is carried by sidelink terminal information (Sidelink UE information, SUI) or terminal assistance information (UE assistance information, UAI).

Optionally, the configuration information includes at least one of:

a resource pool;

radio link control layer related configuration;

media access control layer related configuration;

physical layer related configuration;

maximum number of hops;

a split node of quality of service, the split node to perform splitting of QoS.

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

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

at least one relay terminal for relaying communication traffic from end to end.

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

As can be seen from the technical solutions of the foregoing embodiments, in the embodiments of the present application, a relay link corresponding to the end-to-end relay communication service is established by executing a transmission process of a discovery message, and then configuration information of the end-to-end relay communication service is obtained from a determined second network side device, so that the end-to-end relay communication service is implemented.

In the relay control method provided in the embodiment of the present application, the execution body may be a relay control device. In the embodiment of the present application, a relay control device is described by taking a relay control method performed by the relay control device as an example.

As shown in fig. 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 a first network side device, where the first configuration information is used to indicate service information of an end-to-end relay communication service supported by a cell where the first configuration information is located and/or configuration information of the end-to-end relay communication service; the execution module 602 is configured to execute at least one of the following according to the first configuration information:

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

Optionally, the service information includes at least one of:

the service type of the supported end-to-end relay communication service;

whether or not to support layer 2 end-to-end relay traffic;

whether or not to support layer 3 end-to-end relay traffic;

the maximum hop count of the supported end-to-end relay communication service;

Optionally, the service type includes at least one of:

emergency services;

public safety business;

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

whether the relay control device is authorized to perform end-to-end relay communication service;

determining whether the cell supports authorized end-to-end relay communication service according to the first configuration information;

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

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

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

Optionally, the second network side device is determined based on at least one of the following ways:

protocol conventions;

and the related indication of the first network side equipment.

at least one relay terminal for relaying communication traffic from end to end.

Optionally, the transmission module 601 is configured to obtain, by using the target terminal device, configuration information of the end-to-end relay communication service from the second network side device when the target terminal device is in a radio resource control connection state or within a network coverage area;

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

at least one relay terminal for relaying communication traffic from end to end.

Optionally, the configuration information includes at least one of:

a resource pool;

radio link control layer related configuration;

Media access control layer related configuration;

physical layer related configuration;

maximum number of hops;

split node of quality of service.

at least one relay terminal for relaying communication traffic from end to end.

Optionally, the executing module 602 is further configured to send, to a second network side device, information about the relay control device in the end-to-end relay communication service.

Optionally, the information related to the relay control device includes at least one of:

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

type information of relay communication service;

the relay control device relays the number of hops required to be performed in the communication service from end to end.

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

Optionally, the executing module 602 is further configured to complete quality of service 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, for example, an electronic device with an operating system, or may be a component in an electronic device, for example, an integrated circuit or a chip. The electronic device may be a terminal, or may be other devices than a terminal. By way of example, terminals may include, but are not limited to, the types of terminals 11 listed above, other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., and embodiments of the application are not specifically limited.

The relay control device provided in the embodiment of the present application can implement each process implemented by the embodiments of the methods of fig. 3 to 5, and achieve the same technical effects, so that repetition is avoided, and no further description is given here.

As shown in fig. 7, the embodiment of the present application provides a relay control method, where the execution body of the method is a network side device shown in fig. 2, and specifically may be a first network side device corresponding to a cell where a first terminal is located, and the method may be executed by software or hardware installed in the first network side device. The method comprises the following steps.

S710, the first network side equipment sends first configuration information to the first terminal, 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.

Optionally, the service information includes at least one of:

the service type of the supported end-to-end relay communication service;

whether or not to support layer 2 end-to-end relay traffic;

whether or not to support layer 3 end-to-end relay traffic;

the maximum hop count of the supported end-to-end relay communication service;

Optionally, the service type includes at least one of:

emergency services;

public safety business;

Step S710 may implement the method embodiments shown in fig. 3 to fig. 4, and obtain the same technical effects, and the repetition of the description is omitted here.

As can be seen from the technical solutions of the foregoing embodiments, in the embodiments of the present application, first configuration information is sent to a first terminal, where the first configuration information is used to indicate 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, so that an end-to-end relay communication service is implemented.

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

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

the target terminal equipment is at least one of the following:

at least one relay terminal for relaying communication traffic from end to end.

Optionally, the configuration information includes at least one of:

a resource pool;

radio link control layer related configuration;

media access control layer related configuration;

physical layer related configuration;

maximum number of hops;

split node of quality of service.

at least one relay terminal for relaying communication traffic from end to end.

Optionally, the method further comprises:

the first network side equipment receives the related information of the first terminal in the end-to-end relay communication service from the first equipment.

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

type information of relay communication service;

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

The embodiment of the present application may implement the method embodiment shown in fig. 5, and obtain the same technical effects, and the repetition of the description is omitted here.

As can be seen from the technical solutions of the foregoing embodiments, in the embodiments of the present application, the end-to-end relay communication service is implemented by sending configuration information of the end-to-end relay communication service to a target terminal device.

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

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

Optionally, the service information includes at least one of:

the service type of the supported end-to-end relay communication service;

whether or not to support layer 2 end-to-end relay traffic;

whether or not to support layer 3 end-to-end relay traffic;

the maximum hop count of the supported end-to-end relay communication service;

Optionally, the service type includes at least one of:

emergency services;

public safety business;

As can be seen from the technical solutions of the foregoing embodiments, in the embodiments of the present application, first configuration information is sent to a first terminal, where the first configuration information is used to indicate 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, so that the end-to-end relay communication service is implemented.

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

the target terminal equipment is at least one of the following:

at least one relay terminal for relaying communication traffic from end to end.

Optionally, the configuration information includes at least one of:

a resource pool;

radio link control layer related configuration;

media access control layer related configuration;

physical layer related configuration;

maximum number of hops;

split node of quality of service.

at least one relay terminal for relaying communication traffic from end to end.

Optionally, the transceiver module 802 is further configured to receive, from a first device, information related to the first terminal in the end-to-end relay communication service.

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

type information of relay communication service;

The relay control device provided in the embodiment of the present application can implement each process implemented by the method embodiment of fig. 7, and achieve the same technical effects, so that repetition is avoided, and details are not repeated here.

Optionally, as shown in fig. 9, the embodiment of the present application further provides a communication device 900, including a processor 901 and a memory 902, where a program or an instruction that can be executed on the processor 901 is stored in the memory 902, and when the communication device 900 is a terminal, for example, the program or the instruction is executed by the processor 901, to implement each step of the foregoing relay control method embodiment, and the same technical effect can be achieved. When the communication device 900 is a network side device, the program or the instruction, when executed by the processor 901, implements the steps of the foregoing relay control method embodiment, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.

The embodiment of the application also provides a terminal, which comprises a processor and a communication interface, wherein the processor is used for executing at least one of the following according to the first configuration information: determining whether to perform the end-to-end relay communication service; determining an execution mode of the end-to-end relay communication service, wherein the communication interface is used for receiving first configuration information from first network side equipment, and the first configuration information is used for indicating service information of the end-to-end relay communication service supported by a cell and/or configuration information of the end-to-end relay communication service. The terminal embodiment corresponds to the terminal-side method embodiment, and each implementation process and implementation manner of the method embodiment can be applied to the terminal embodiment, and the same technical effects can be achieved. Specifically, fig. 10 is a schematic diagram of a hardware structure of a terminal for implementing an embodiment of the present application.

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

Those skilled in the art will appreciate that terminal 1000 can also include a power source (e.g., a battery) for powering the various components, which can be logically connected to processor 1010 by a power management system so as to perform functions such as managing charge, discharge, and power consumption by the power management system. The terminal structure shown in fig. 10 does not constitute a limitation of the terminal, and the terminal may include more or less components than shown, or may combine some components, or may be arranged in different components, which will not be described in detail herein.

It should be understood that in the embodiment of the present application, the input unit 1004 may include a graphics processing unit (Graphics Processing Unit, GPU) 10041 and a microphone 10042, and the graphics processor 10041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1006 may include a display panel 10061, and the display panel 10061 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. The touch panel 10071 is also referred to as a touch screen. The touch panel 10071 can include two portions, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.

In this embodiment, after receiving downlink data from the network side device, the radio frequency unit 1001 may transmit the downlink data to the processor 1010 for processing; in addition, the radio frequency unit 1001 may send uplink data to the network side device. In general, 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, and the like.

The memory 1009 may be used to store software programs or instructions and various data. The memory 1009 may mainly include a first memory area storing programs or instructions and a second memory area storing data, wherein the first memory area may store an operating system, application programs or instructions (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. Further, the memory 1009 may include volatile memory or nonvolatile memory, or the memory 1009 may include both volatile and nonvolatile memory. The non-volatile memory may be a Read-only memory (ROM), a programmable Read-only memory (ProgrammableROM, PROM), an erasable programmable Read-only memory (ErasablePROM, EPROM), an electrically erasable programmable Read-only memory (ElectricallyEPROM, EEPROM), or a flash memory, among others. The volatile memory may be random access memory (Random Access Memory, RAM), static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (ddr SDRAM), enhanced SDRAM (Enhanced SDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DRRAM). Memory 1009 in embodiments 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 that primarily processes operations involving an operating system, user interface, application programs, and the like, and a modem processor that primarily processes wireless communication signals, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into the processor 1010.

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

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

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

Optionally, the service information includes at least one of:

the service type of the supported end-to-end relay communication service;

whether or not to support layer 2 end-to-end relay traffic;

whether or not to support layer 3 end-to-end relay traffic;

The maximum hop count of the supported end-to-end relay communication service;

Optionally, the service type includes at least one of:

emergency services;

public safety business;

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

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

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

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

protocol conventions;

and the related indication of the first network side equipment.

at least one relay terminal for relaying communication traffic from end to end.

Optionally, the radio frequency unit 1001 is configured to obtain, by using the target terminal device, configuration information of the end-to-end relay communication service from the second network side device when the target terminal device is in a radio resource control connection state or within a network coverage area;

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

at least one relay terminal for relaying communication traffic from end to end.

Optionally, the configuration information includes at least one of:

a resource pool;

radio link control layer related configuration;

Media access control layer related configuration;

physical layer related configuration;

maximum number of hops;

split node of quality of service.

at least one relay terminal for relaying communication traffic from end to end.

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

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

type information of relay communication service;

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

The embodiment of the application also provides network side equipment, which comprises a processor and a communication interface, wherein the processor is used for acquiring first configuration information, the first configuration information is used for indicating service information of an end-to-end relay communication service supported by a cell where a first terminal is located and/or the configuration information of the end-to-end relay communication service, and the communication interface is used for sending the first configuration information to the first terminal. The network side device embodiment corresponds to the network side device method embodiment, and each implementation process and implementation manner of the method embodiment can be applied to the network side device embodiment, and the same technical effects can be achieved.

Specifically, the embodiment of the application also provides network side equipment. 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 a radio frequency device 112. In the uplink direction, the radio frequency device 112 receives information via the antenna 111, and transmits the received information to the baseband device 113 for processing. In the downlink direction, the baseband device 113 processes information to be transmitted, and transmits the processed information to the radio frequency device 112, and the radio frequency device 112 processes the received information and transmits the processed information through the antenna 111.

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

The baseband apparatus 113 may, for example, include at least one baseband board, where a plurality of chips are disposed, as shown in fig. 11, where one chip, for example, a baseband processor, is connected to the memory 115 through a bus interface, so as to call a program in the memory 115 to perform the network device operation shown in the above method embodiment.

The network-side device may also include a network interface 116, such as a common public radio interface (common public radio interface, CPRI).

Specifically, the network side device 1100 of the embodiment of the present invention further includes: instructions or programs stored in the memory 115 and capable of running on the processor 114, the processor 114 invokes the instructions or programs in the memory 115 to perform the method performed by the modules shown in fig. 8, and achieve the same technical effects, and are not repeated here.

The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored, and when the program or the instruction is executed by a processor, the processes of the embodiment of the relay control method are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.

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

The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is used for running a program or an instruction, so as to implement each process of the embodiment of the relay control method, and achieve the same technical effect, so that repetition is avoided, and no redundant description is provided here.

It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.

The embodiments of the present application further provide a computer program/program product, where 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 each process of the above-mentioned relay control method embodiment, and the same technical effects can be achieved, so that repetition is avoided, and details are not repeated here.

The embodiment of the application also provides a relay control system, which comprises: the terminal can be used for executing the steps of the relay control method, and the network side device can be used for executing the steps of the relay control method.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method described in the embodiments of the present application.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A relay control method, comprising:

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

2. The method of claim 1, wherein the traffic information comprises at least one of:

the service type of the supported end-to-end relay communication service;

Whether or not to support layer 2 end-to-end relay traffic;

whether or not to support layer 3 end-to-end relay traffic;

the maximum hop count of the supported end-to-end relay communication service;

3. The method of claim 2, wherein the traffic type comprises at least one of:

emergency services;

public safety business;

4. The method of claim 1, wherein the first terminal determining whether to perform the end-to-end relay communication service based on the first configuration information comprises:

the first terminal determines whether the cell supports the end-to-end relay communication service according to at least one of the following:

5. The method according to claim 1, wherein the method further comprises:

And the first terminal executes the transmission process of the discovery message and/or establishes a relay link corresponding to the end-to-end relay communication service.

6. The method according to claim 1, wherein the method further comprises:

the first terminal obtains configuration information of the end-to-end relay communication service from the second network side equipment.

7. The method of claim 6, wherein the second network-side device is determined by the first terminal based on at least one of:

protocol conventions;

and the related indication of the first network side equipment.

8. The method of claim 6, wherein the second network side device is an access network device corresponding to a cell in which the following terminal device is located:

at least one relay terminal for relaying communication traffic from end to end.

9. The method of claim 6, wherein the first terminal obtaining, from a second network side device, configuration information of the end-to-end relay communication service comprises:

under the condition that target terminal equipment is in a radio resource control connection state or network coverage, the first terminal acquires configuration information of the end-to-end relay communication service from second network side equipment through the target terminal equipment;

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

at least one relay terminal for relaying communication traffic from end to end.

10. The method of claim 1, 4 or 6, wherein the configuration information comprises at least one of:

a resource pool;

radio link control layer related configuration;

media access control layer related configuration;

physical layer related configuration;

maximum number of hops;

split node of quality of service.

11. The method according to claim 10, characterized in that the split node of the quality of service is at least one of the following terminal devices:

at least one relay terminal for relaying communication traffic from end to end.

12. The method of claim 6, wherein the method further comprises:

and the first terminal sends the related information of the first terminal in the end-to-end relay communication service to the second network equipment.

13. The method of claim 12, wherein the information related to the first terminal comprises at least one of:

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

type information of relay communication service;

14. The method of claim 13, wherein the information related to the first terminal is carried by sidelink terminal information or terminal assistance information.

15. The method according to claim 10, wherein the method further comprises:

and the first terminal and other terminal equipment of the end-to-end relay communication service complete service quality negotiation and access layer parameter configuration determination.

16. A relay control device, comprising:

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

17. A relay control method, comprising:

18. The method of claim 17, wherein the traffic information comprises at least one of:

the service type of the supported end-to-end relay communication service;

whether or not to support layer 2 end-to-end relay traffic;

whether or not to support layer 3 end-to-end relay traffic;

the maximum hop count of the supported end-to-end relay communication service;

19. The method of claim 18, wherein the traffic type comprises at least one of:

emergency services;

public safety business;

20. The method of claim 17, wherein the method further comprises:

the target terminal equipment is at least one of the following:

at least one relay terminal for relaying communication traffic from end to end.

21. The method according to claim 17 or 20, wherein the configuration information comprises at least one of:

a resource pool;

radio link control layer related configuration;

media access control layer related configuration;

physical layer related configuration;

maximum number of hops;

split node of quality of service.

22. The method according to claim 21, characterized in that the split node of the quality of service is at least one of the following terminal devices:

at least one relay terminal for relaying communication traffic from end to end.

23. The method of claim 20, wherein the method further comprises:

24. The method of claim 23, wherein the information related to the first terminal comprises at least one of:

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

type information of relay communication service;

25. The method of claim 24, wherein the information related to the first terminal is carried by sidelink terminal information or terminal assistance information.

26. A relay control device, comprising:

27. A terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the relay control method of any one of claims 1 to 15.

28. A network side device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the relay control method of any of claims 17 to 25.

29. A readable storage medium, characterized in that the readable storage medium stores thereon a program or instructions, which when executed by a processor, implements the relay control method according to any one of claims 1 to 15, or the steps of the relay control method according to any one of claims 17 to 25.