WO2023280068A1 - Procédé et appareil de recommandation de ressources de liaison latérale, procédé et appareil de réception d'informations, et terminal - Google Patents

Procédé et appareil de recommandation de ressources de liaison latérale, procédé et appareil de réception d'informations, et terminal Download PDF

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Publication number
WO2023280068A1
WO2023280068A1 PCT/CN2022/103318 CN2022103318W WO2023280068A1 WO 2023280068 A1 WO2023280068 A1 WO 2023280068A1 CN 2022103318 W CN2022103318 W CN 2022103318W WO 2023280068 A1 WO2023280068 A1 WO 2023280068A1
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Prior art keywords
terminal
resource
information
resource pool
sidelink
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PCT/CN2022/103318
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English (en)
Chinese (zh)
Inventor
梁敬
纪子超
郑倩
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维沃移动通信有限公司
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Publication of WO2023280068A1 publication Critical patent/WO2023280068A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to a transmission processing method, device and terminal.
  • the Long Term Evolution (LTE) system supports sidelinks (sidelinks, or translated as sidelinks, sidelinks, sidelinks, etc.) from the 12th release version for end user equipment (User Equipment, UEs) do not perform direct data transmission through network equipment.
  • LTE Long Term Evolution
  • UEs User Equipment
  • 5G fifth-generation mobile communication technology
  • 5G the New Radio (NR) system is also studying the PC5 interface for direct communication between terminals, that is, sidelink.
  • mode1 the base station schedules resources
  • mode 2 the UE decides what resources to use for transmission
  • the resource information may come from the base station at this time broadcast message or pre-configuration.
  • the resource pool is sent or pre-configured by the network side, and the resource pool will contain resources used for transmission and many transmission-related parameters.
  • UE-A decides a resource set, which may contain resources that UE-A expects UE-B to use, or resources that UE-A does not want UE-B to use, or UE-A detects a conflict or potential conflict risk resources, etc.
  • UE-A recommends the resource set to UE-B, and UE-B may consider the resource set recommended by UE-A when performing resource selection.
  • the resource set recommended by UE-A may not be correctly understood by UE-B, so the sidelink resource cannot be correctly selected.
  • the embodiment of the present application provides a sidelink resource recommendation method, information receiving method, device and terminal, which can solve the problem that the terminal cannot correctly select sidelink resources.
  • a sidelink resource recommendation method includes:
  • the first terminal sends resource information to the second terminal, where the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • a device for recommending sidelink resources including:
  • the first sending module is configured to send resource information to the second terminal, where the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • a method for receiving information includes:
  • the second terminal receives the resource information sent by the first terminal
  • the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier;
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • an information receiving device including:
  • a first receiving module configured to receive resource information sent by the first terminal
  • the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier;
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • a terminal includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
  • the program or instruction is executed by the processor The steps of the method described in the first aspect are realized.
  • a terminal including a processor and a communication interface, where the communication interface is used to send resource information to a second terminal, where the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • a terminal including a processor and a communication interface, where the communication interface is used to receive resource information sent by the first terminal;
  • the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier;
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • a terminal in an eighth aspect, includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, when the program or instruction is executed by the processor Implement the method as described in the third aspect.
  • a readable storage medium is provided, and programs or instructions are stored on the readable storage medium, and when the programs or instructions are executed by a processor, the steps of the method described in the first aspect are realized, or the steps of the method described in the first aspect are realized, or The steps of the method described in the third aspect.
  • a chip in a tenth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect , or implement the method described in the third aspect.
  • a computer program/computer program product is provided, the computer program/computer program product is stored in a non-volatile storage medium, and the computer program/computer program product is executed by at least one processor to Realize the method as described in the first aspect, or realize the steps of the method as described in the third aspect.
  • the second terminal can specify the first sidelink candidate resource after receiving the first information; if the first terminal sends the second information indicating the second sidelink candidate resource and the resource pool identifier, at this time, due to the The second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier. After the second terminal receives the second information and the resource pool identifier, the second terminal can also specify the second sidelink candidate resource; if the first terminal sends a pass The physical time slot indicates the third information of the third sidelink candidate resource to the second terminal.
  • the second terminal can also clarify the second terminal after receiving the third information.
  • a third sidelink candidate resource the second terminal can determine sidelink resources based on the sidelink candidate resources indicated by the first terminal, and perform transmission.
  • Fig. 1 is the block diagram of wireless communication system
  • FIG. 2 is a flowchart of a method for recommending sidelink resources according to an embodiment of the present application
  • FIG. 3 is a flowchart of an information receiving method according to an embodiment of the present application.
  • Fig. 4 is a device structure diagram corresponding to Fig. 2;
  • Fig. 5 is a device structure diagram corresponding to Fig. 3;
  • FIG. 6 is a structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 7 is a structural diagram of a terminal according to an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. 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 described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technologies can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 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), handheld computer, netbook, ultra-mobile personal computer (Ultra-mobile Personal Computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side equipment, wearable devices include: smart watches, bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Networks (WLAN) ) access point, wireless fidelity (Wireless Fidelity, WiFi) node, transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable 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 the present application, only the base station in the NR system is taken as an example, but the specific type of
  • a method for recommending sidelink resources includes:
  • Step 201 the first terminal sends resource information to the second terminal, wherein the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • the terminal can specify the first sidelink candidate resource; if the first terminal sends the second information indicating the second sidelink candidate resource and the resource pool identifier, at this time, due to the second sidelink
  • the candidate resource belongs to the resource pool corresponding to the resource pool identifier.
  • the second terminal After the second terminal receives the second information and the resource pool identifier, the second terminal can also specify the second sidelink candidate resource; The third information of the three sidelink candidate resources is sent to the second terminal.
  • the second terminal can also clarify the third sidelink after receiving the third information. Candidate resources. In this way, subsequently, the second terminal can determine the sidelink resource according to the sidelink candidate resources indicated by the first terminal, and transmit through the sidelink resource.
  • sending resource information can be by media access control sublayer protocol control element (Media Access Control Control Element, MAC CE), or PC5-radio resource control (Radio Resource Control, RRC) message, or PC5-S message etc. accomplish.
  • Media Access Control Element Media Access Control Control Element, MAC CE
  • PC5-radio resource control Radio Resource Control, RRC
  • PC5-S message etc. accomplish.
  • the first sidelink candidate resource determined based on the resource pool of the second terminal UE-B specifically, it may be determined based on the transmission resource pool TX pool and/or the reception resource pool RX pool of UE-B, for example , the first sidelink candidate resource is based on the TX pool and/or RX pool of the UE-B for sensing (sensing), and resource recommendation is performed based on the sensing result or others, or the first sidelink candidate resource belongs to the UE-B
  • the TX pool and/or RX pool of UE-B have resource pools with the same configuration.
  • the pool ID can enable the first terminal UE-A to make resource recommendations based on the resource pool corresponding to the pool ID, and UE-B can understand the second Which resource is the sidelink candidate resource specifically. Therefore, in this embodiment, the resource pool or resource corresponding to the resource pool identifier is implemented by at least one of base station configuration, pre-configuration, and protocol agreement:
  • Method 1 the configuration of the base stations to which UE-A and UE-B belong ensures that the configuration of the TX pool is consistent, so that UE-A and UE-B have the same understanding of the same pool ID.
  • the pre-configuration needs to be the same as the base station configuration.
  • the second way is to separately define the mapping relationship between pool ID and physical resources. This mapping relationship is consistent in all base stations and/or pre-configurations. For example, defining Pool ID separately can be used exclusively for mode2b, and it can be different from ordinary TX pool ID and RX pool ID.
  • Method 3 Define the mapping relationship between the TX pool ID and/or RX pool ID of the UE and the pool ID used for mode2b, and there is also a mapping relationship between the pool ID used for mode2b and physical resources. Based on its own TX pool ID and/or RX pool ID, the UE maps to obtain the pool ID for mode2b, and then sends it to the peer UE, so that the peer UE can understand it.
  • step 201 optionally, before step 201, it also includes:
  • the first terminal receives first resource pool configuration information, the first resource pool configuration information is sent by a network device, or the first resource pool configuration information is sent by the second terminal The configuration information of the sending resource pool.
  • the first terminal can learn the configuration information of the sending resource pool and/or the receiving resource pool of the second terminal through the first resource pool configuration information sent by the network device (such as a base station).
  • the first terminal may also learn the configuration information of the sending resource pool of the second terminal through the first resource pool configuration information sent by the second terminal, so as to determine the resource information.
  • the first terminal after receiving the first resource pool configuration information, the first terminal further includes:
  • the first terminal determines according to the first resource pool configuration information that the target resource pool is the same as the sending resource pool of the second terminal, determine that the resource information includes the first information, and the second The sidelink candidate resources belong to the sending resource pool of the second terminal.
  • the target resource pool is used as the selected resource pool for resource recommendation.
  • the target resource pool may be the TX pool of UE-A, and sensing (sensing) is performed in the resource pool to obtain resources recommended to UE-B. That is, when the target resource pool is the same as the TX pool of UE-B, UE-A sends the first information to UE-B.
  • the TX pool of UE-A is the same as the TX pool of UE-B, which can include the following situations:
  • the configuration of the TX pool of UE-A is the same as that of the TX pool of UE-B;
  • the TX pool selected by UE-A has the same configuration as the TX pool of UE-B;
  • the configuration of the TX pool of UE-A is the same as the TX pool selected by UE-B;
  • the TX pool selected by UE-A is the same as the TX pool selected by UE-B.
  • the configuration information of the first resource pool may also include the configuration information of the receiving resource pool of the second terminal, and the first terminal determines the first side chain based on the resource pool corresponding to the configuration information of the receiving resource pool of the second terminal. path candidate resources to generate first information.
  • the first terminal after receiving the first resource pool configuration information, the first terminal further includes:
  • the first terminal selects a target resource pool according to its own transmission resource pool configuration information and the first resource pool configuration information;
  • the target resource pool is the same as the sending resource pool of the second terminal.
  • the resource pool that is the same as the transmission resource pool of the second terminal is selected as the target resource according to its own transmission resource pool configuration information and the received first resource pool configuration information pool.
  • the first terminal selects a target resource pool according to its own transmission resource pool configuration information and the first resource pool configuration information, including:
  • the first terminal determines that resource recommendation needs to be performed for the second terminal, it selects the target resource pool according to its own transmission resource pool configuration information and the first resource pool configuration information.
  • UE-A needs to make resource recommendations for UE-B.
  • UE-A can The TX pool of B selects the same pool as the TX pool of UE-B in its own TX pool configuration information as the target resource pool, and the selected pool is also the TX pool of UE-A. In this way, UE-A can then directly send the first information to UE-B based on the first sidelink candidate resource obtained by UE-A based on sensing or other information in the pool, and UE-B can understand it.
  • the target resource pool (such as UE-A's TX pool) is different from UE-B's TX pool, UE-A cannot recommend resources for UE-B, or, the target resource pool pool Y obtains sidelink candidate resources (That is, the second sidelink candidate resource), UE-A sends the second information and the resource pool identifier to UE-B; or, obtain the sidelink candidate resource (ie, the third sidelink candidate resource) from the target resource pool pool Y , UE-A sends third information to UE-B.
  • the target resource pool such as UE-A's TX pool
  • UE-A can have multiple TX pool configurations, and at least one of the TX pools is the same as UE-B's TX pool; or, there can be multiple TX pool configurations, but all TX pools and UE-B The TX pools are all different.
  • UE-A can have multiple TX pool configurations, and at least one of the TX pools is the same as UE-B's TX pool; or, UE-A can have multiple TX pool configurations, but all TX pools and UE-B
  • the TX pools of UE-B are different, in this embodiment, for the target resource pool selected by UE-A, no matter which target resource pool it is, after UE-A obtains sidelink candidate resources based on the target resource pool , may also send the second information and the resource pool identifier to UE-B, or send the third information to UE-B.
  • UE-A when UE-A needs to make resource recommendation for UE-B, it can also perform sensing (sensing) based on the TX pool and/or RX pool of UE-B in the above-mentioned way, by Sensing results or other resource recommendations.
  • sensing sensing
  • the sidelink candidate resources will be converted into physical slots (physical slots), so that UE-B can clarify the sidelink candidate resources recommended by UE-A.
  • the first terminal determines that resource recommendation needs to be performed for the second terminal, it may be that UE-A has received a resource recommendation request from UE-B, or UE-A is a peer UE receiving UE of UE-B, or The network device configures UE-A to recommend resources for UE-B, and so on. Wherein, the network device may be configured directly, or configured based on a request from UE-A.
  • step 201 includes:
  • a logical channel prioritization (Logic Channel Prioritization, LCP) process
  • LCP Logical Channel Prioritization
  • the target resource pool is the same as the sending resource pool and/or receiving resource pool of the second terminal.
  • UE-A's TX pool is pool X that is the same as UE-B's TX pool and/or RX pool
  • UE-A needs to use Pool X to send resource information only send
  • the logical information and/or MAC CE corresponding to the resource information for UE-B will be selected and multiplexed into a transport block TB, and then sent on Pool X, and the resource recommendation signaling for other UEs (such as another UE-B) will not be selected for sending.
  • the first terminal after receiving the first resource pool configuration information, the first terminal further includes:
  • the first request information is used to request that the first resource pool or the second resource pool be used as the target resource pool
  • the first resource pool is the same as the sending resource pool of the second terminal
  • the second The resource pool is a resource pool whose configuration information is known by the second terminal.
  • the second resource pool is a resource pool whose configuration information is known by the second terminal. It can be understood that there is a mapping relationship between the second resource pool and the resource pool in UE-B, and UE-B knows the mapping relationship.
  • UE-A will request a resource pool from the network device, such as the first resource pool, which is the same TX pool as UE-B's TX pool; or, the second resource pool, which can make UE-A based on the resource pool
  • UE-B can understand which resource the recommended resource is.
  • UE-A may use the requested first resource pool or the second resource pool as the target resource pool.
  • the first request information is sent by the first terminal in the connected state.
  • the first terminal sends the first request information when the first preset condition is met;
  • the first preset condition is:
  • the sending resource pool configuration information of the first terminal does not have the same configuration information as the sending resource pool of the second terminal; or,
  • the first terminal does not have sending resource pool configuration information
  • the first terminal determines that resource recommendation needs to be performed for the second terminal.
  • the current state of the first terminal may be an idle state or an inactive state, optionally, in this embodiment, before step 201, it also includes:
  • an RRC connection establishment process is triggered.
  • the UE-A in the idle (IDLE) or inactive (INACTIVE) state will trigger the RRC connection establishment process when the UE-B has a sidelink resource recommendation requirement.
  • the RRC connection establishment process is triggered when the first terminal satisfies the second preset condition
  • the second preset condition is:
  • the sending resource pool configuration information of the first terminal does not have the same configuration information as the sending resource pool of the second terminal; or,
  • the first terminal does not have sending resource pool configuration information.
  • the first terminal meets at least one of the following conditions:
  • the first terminal is a terminal performing sidelink communication with the second terminal
  • the sending resource pool of the first terminal corresponds to the configuration information of the sending resource pool of the second terminal
  • the sending resource pool of the first terminal is the same as the sending resource pool of the second terminal;
  • the first terminal has sending resource pool configuration information.
  • the UE needs to meet at least one of the above conditions, and then it can be selected as UE-A.
  • the network device can control whether the UE can be selected as UE-A by configuring different TX pools for the UE.
  • the first terminal may be selected by the second terminal, and the second terminal selects a sidelink resource recommendation terminal or a candidate terminal for sidelink resource recommendation terminals, and the selection conditions may be as described above. And, when the number of selected sidelink resource recommendation terminals or sidelink resource recommendation terminal candidate terminals is greater than 1, further based on the second terminal implementation, a sidelink resource recommendation terminal or sidelink resource recommendation terminal or sidelink resource recommendation terminal is selected according to a preset strategy. Candidate terminals for resource recommendation terminals.
  • the preset strategy is to select a terminal that has a PC5-RRC connection with the second terminal; or, select a terminal that performs sidelink communication with the second terminal; or, select a terminal that has a connection with the second terminal The terminal that sends the resource pool in the same way.
  • step 201 it also includes:
  • the first terminal receives the second request information of the second terminal
  • the second request information is used to request the first terminal to send the resource information; the second request information is when the second terminal selects the first terminal as the side link resource recommendation terminal triggered.
  • UE-A will execute step 201 through the received second request information.
  • the first terminal after receiving the first resource pool configuration information sent by the second terminal, the first terminal further includes:
  • the first terminal sends first confirmation information to the second terminal;
  • the first confirmation information is used to indicate that the first terminal is a sidelink resource recommendation terminal.
  • UE-B sends the first resource pool configuration information to UE-A, and UE-A is a sidelink resource recommendation terminal, it will send the first confirmation information to UE-B, so that UE-B is ready to receive UE-B A's resource information.
  • UE-B sends the first resource pool configuration information to other UEs, but if other UEs do not meet the conditions for being recommended terminals for side link resources, they will not feed back the first confirmation information, and UE-B will not receive the UE’s configuration information. resource information.
  • the first resource pool configuration information may be sent through a discovery (discovery) message, or a unicast PC5-RRC message, or other broadcast or multicast messages.
  • step 201 it also includes:
  • the first terminal sends second resource pool configuration information to the second terminal, where the second resource pool configuration information is configuration information of the sending resource pool of the first terminal;
  • the first terminal receives second confirmation information sent by the second terminal
  • the second confirmation information is used to indicate that the second terminal selects the first terminal as the sidelink resource recommendation terminal.
  • UE-A sends the second resource pool configuration information to UE-B, and UE-A is a sidelink resource recommendation terminal, then UE-B will send the second confirmation information to UE-A, so that UE-B is ready to receive UE -A's resource information.
  • UE-B can also send configuration information of their own transmission resource pools to UE-B, but if other UEs do not meet the conditions for being recommended terminals for sidelink resources, UE-B does not feed back the second confirmation information, and UE-B The resource information of the UE will not be received either.
  • the configuration information of the second resource pool may be sent through a discovery message, a unicast PC5-RRC message, or other broadcast or multicast messages.
  • step 201 before step 201, it also includes:
  • UE-A when UE-A determines that it needs to recommend resources for UE-B, and the target resource pool currently selected by UE-A is different from the TX pool of UE-B, UE-A will trigger the resource reselection process, This ensures that UE-B can understand the recommended resources after sending the resource information based on the selected target resource pool.
  • Step 1 UE A obtains the configuration related to the resource pool from pre-configuration or base station configuration.
  • Step 2 UE A can select an appropriate resource pool in the resource pool configuration as its own RX pool and/or TX pool based on business requirements or other factors.
  • Step 3 UE-B sends request information to UE-A, requesting UE-A to send resource information to perform inter-UE resource coordination (inter-UE coordination) process, and recommend sidelink resources for UE-B.
  • inter-UE coordination inter-UE resource coordination
  • Step 3-1 (optional): UE-B sends its own TX pool configuration (TX pool configuration information) to UE A, which can be in a discovery message, or a unicast PC5-RRC message, or other Broadcast or multicast messages.
  • Step 3-1 can be before step 3, or together with step 3, or after step 3.
  • the TX pool configuration sent by the UE-B can be sent together with the request message in step 3 in one message, or can be sent separately in two messages.
  • Step 4 UE-A finds that the currently selected RX pool and/or TX pool are different from UE-B's TX pool configuration, and triggers the resource reselection process.
  • Step 4-1 (optional): UE-A sends a confirmation message to UE-B to confirm that resource recommendation can be made for it.
  • the confirmation message can be after UE-A confirms that the same TX pool as UE-B's TX pool is selected, or after confirming that its own TX pool configuration includes at least one pool that is the same as UE-B's TX pool.
  • the confirmation message and the resource information in step 5 can be sent in one message, or the resource recommendation message in step 5 itself can be directly used as the confirmation message.
  • Step 5 Based on the newly selected resource pool, UE-A obtains the recommended resource (that is, the first sidelink candidate resource) through the sensing process or other resource-related information, and sends the resource information to UE-B.
  • the resource information includes first information for indicating the first sidelink candidate resource.
  • Step 1 UE A obtains the configuration related to the resource pool from pre-configuration or base station configuration.
  • Step 2 UE-B sends request information to UE-A, requesting UE-A to send resource information, that is, to perform inter-UE resource coordination (inter-UE coordination) process, and recommend sidelink resources for UE-B.
  • inter-UE coordination inter-UE coordination
  • Step 2-1 Same as Scenario 1
  • Step 3-1 UE-B sends its own TX pool configuration to UE A, either in the discovery message, or in a unicast PC5-RRC message, or are other broadcast or multicast messages.
  • Step 2-1 can be before step 2, or together with step 2, or after step 2.
  • the TX pool configuration sent by the UE-B can be sent together with the request message in step 2 in one message, or can be sent separately in two messages.
  • Step 3 UE-A finds that the configuration related to the resource pool obtained from pre-configuration or base station configuration is different from UE-B's TX pool configuration, then UE-A triggers the RRC connection establishment process and enters the connected state.
  • Step 4 UE-A initiates a request to the base station, requesting the same TX pool (first resource pool) as UE-B's TX Pool, or requesting a certain type of pool (second resource pool).
  • Step 5 Based on the newly selected resource pool (ie, the target resource pool), UE-A obtains the recommended resource (ie, the first sidelink candidate resource) through the sensing process or other resource-related information, and sends Resource information to UE-B.
  • the resource information includes first information for indicating the first sidelink candidate resource.
  • Step 1-3 Step 1-3 in the same scene (including 3-1)
  • Step 4 Based on the selected resource pool (ie, the target resource pool), UE-A obtains the recommended resource (ie, the second sidelink candidate resource) through the sensing process or other resource-related information, and sends the resource information to UE-B .
  • the resource information includes second information for indicating the second sidelink candidate resource and a resource pool identifier, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier.
  • Step 1 UE-B sends request information to UE, requesting UE to send resource information, that is, to perform inter-UE resource coordination (inter-UE coordination) process, and recommend sidelink resources for UE-B.
  • inter-UE coordination inter-UE resource coordination
  • Step 2 If the UE satisfies at least one of the conditions for being a sidelink resource recommended terminal, the UE is UE-A, and replies with a confirmation message (first confirmation message), informing UE-B that UE-A can be the The UE-B performs resource recommendation.
  • a confirmation message first confirmation message
  • Step 1 UE sends its own TX pool configuration to UE B, which can be in a discovery message, or a unicast PC5-RRC message, or other broadcast or multicast messages.
  • Step 2 When UE-B needs other UEs to perform the resource coordination process, it judges whether other UEs meet at least one of the conditions of the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal. If so, UE-B B sends request information to it, requesting the UE to send resource information as UE-A, that is, to perform inter-UE resource coordination (inter-UE coordination) process, and recommend sidelink resources for UE-B.
  • inter-UE coordination inter-UE coordination
  • UE-B may select a suitable one based on at least one of the following methods
  • the UE acts as UE-A to send a request message:
  • the UE that is the peer RX UE transmitted by UE-B is preferentially selected as UE-A
  • the UE with the same TX Pool as UE-B is preferentially selected as UE-A.
  • Step 1 UE-B sends request information to UE-A, requesting UE-A to send resource information, that is, to perform inter-UE resource coordination (inter-UE coordination) process, and recommend sidelink resources for UE-B.
  • inter-UE coordination inter-UE coordination
  • Step 2 UE-A recommends resources in the corresponding pool based on the request information received from UE-B in which pool, and sends the resource information to UE-B. For example, UE-B sends a resource request in TX pool X, and UE-A receives it in RX pool Y. At this time, RX pool Y and TX pool X have the same configuration. In addition, UE-A also has a TX pool Y, which has the same configuration as RX pool Y and TX pool X. Then, UE-A recommends resources based on sensing or other factors in TX pool Y, and sends the resource information to UE-B.
  • Step 2-1 UE-A recommends resources in the corresponding pool based on the request information received from UE-B in which pool, and sends the resource information to UE-B. For example, UE-B sends a resource request in TX pool X, and UE-A receives it in RX pool Y. At this time, RX pool Y and TX pool X have the same configuration.
  • UE-A does not have the same TX pool configuration as RX pool Y and TX pool X, then UE-A can request the first resource pool or the second resource pool from the network device; if UE-A is in the IDLE or INACTIVE state, It can also trigger the RRC connection establishment process; or, in RX pool Y, perform resource recommendation based on sensing or other factors, and send the resource information to UE-B.
  • Step 3 Optionally, before UE-B receives the resource information of UE-A, or within a specific period of time (such as before the timer (timer) expires, the timer length can be configured or pre-configured by the base station or UE-B A configuration) cannot send the request message to UE-A again, and/or to other UEs.
  • the method of the embodiment of the present application can allow an appropriate UE to be selected as UE-A to allocate auxiliary resources to UE-B, and can also allow UE-A to use resource recommendation results based on its own resource pool configuration by UE-A.
  • B understands that the resource allocation assistance between UEs can be performed normally.
  • a method for receiving information in the embodiment of the present application includes:
  • Step 301 the second terminal receives resource information sent by the first terminal
  • the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • Second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • the second terminal before receiving the resource information sent by the first terminal, the second terminal further includes:
  • the second terminal sends first resource pool configuration information to the first terminal, where the first resource pool configuration information is configuration information of the sending resource pool of the second terminal.
  • the method further includes:
  • the second terminal receives the first confirmation information sent by the first terminal
  • the first confirmation information is used to indicate that the first terminal is a sidelink resource recommendation terminal or a candidate terminal for a sidelink resource recommendation terminal.
  • the second terminal before receiving the resource information sent by the first terminal, the second terminal further includes:
  • the second terminal receives second resource pool configuration information sent by the first terminal, where the second resource pool configuration information is configuration information of the sending resource pool of the first terminal;
  • the second terminal sends second confirmation information to the first terminal
  • the second confirmation information is used to indicate that the second terminal selects the first terminal as the sidelink resource recommendation terminal.
  • the second terminal before receiving the resource information sent by the first terminal, the second terminal further includes:
  • the second terminal sends second request information to the first terminal
  • the second request information is used to request the first terminal to send the resource information; the second request information is when the second terminal selects the first terminal as the sidelink resource recommendation terminal triggered.
  • the second terminal before receiving the resource information sent by the first terminal, the second terminal further includes:
  • the second terminal selects a sidelink resource recommendation terminal or a candidate terminal for a sidelink resource recommendation terminal, and the sidelink resource recommendation terminal or a candidate terminal for a sidelink resource recommendation terminal meets at least one of the following conditions:
  • the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal is a terminal that performs sidelink communication with the second terminal;
  • the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal has a PC5-RRC connection with the second terminal;
  • At least one of the resource pools corresponding to the sending resource pool configuration information of the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal and the resource pool corresponding to the sending resource pool configuration information of the second terminal is the same resource pool;
  • the transmission resource pool of the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal corresponds to the transmission resource pool configuration information of the second terminal;
  • the transmission resource pool of the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal is the same as the transmission resource pool of the second terminal;
  • the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal has transmission resource pool configuration information.
  • the second terminal selects a sidelink resource recommendation terminal according to a preset strategy.
  • the preset strategy is:
  • the terminal can specify the first sidelink candidate resource; if the second terminal receives the second information indicating the second sidelink candidate resource and the resource pool identifier sent by the first terminal, at this time, because the first The two sidelink candidate resources belong to the resource pool corresponding to the resource pool identifier, after the second terminal receives the second information and the resource pool identifier, the second terminal can also specify the second sidelink candidate resource; if the second terminal receives the first The terminal sends the third information indicating the third sidelink candidate resource through a physical time slot.
  • the second terminal can also clarify the second terminal after receiving the third information. Three sidelink candidate resources. In this way, subsequently, the second terminal can determine sidelink resources based on the sidelink candidate resources indicated by the first terminal, and perform transmission.
  • this method is implemented in cooperation with the above-mentioned method for recommending sidelink resources performed by the first terminal, and the implementation methods of the above-mentioned method embodiments are applicable to this method and can also achieve the same technical effect.
  • the execution subject may be a sidelink resource recommendation device, or a device in the sidelink resource recommendation device for executing the sidelink resource recommendation method for loading control module.
  • the device for recommending sidelink resources provided by the embodiment of the present application is described by taking the device for recommending sidelink resources executing the method for recommending sidelink resources as an example.
  • an apparatus 400 for recommending sidelink resources in the embodiment of the present application includes:
  • the first sending module 410 is configured to send resource information to the second terminal, where the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • the apparatus for recommending sidelink resources in this embodiment of the present application may be implemented as a first terminal.
  • the device also includes:
  • the first resource pool configuration information receiving module is configured to receive first resource pool configuration information, the first resource pool configuration information is sent by a network device, or the first resource pool configuration information is sent by the second terminal configuration information of the sending resource pool of the second terminal.
  • the device also includes:
  • a first determining module configured to determine that the resource information includes the first information when it is determined according to the first resource pool configuration information that the target resource pool is the same as the sending resource pool of the second terminal, and the The first sidelink candidate resource belongs to the sending resource pool of the second terminal.
  • the device also includes:
  • the first selection module is configured to select a target resource pool according to its own sending resource pool configuration information and the first resource pool configuration information;
  • the target resource pool is the same as the sending resource pool of the second terminal.
  • the first selection module is also used for:
  • the target resource pool is selected according to its own transmission resource pool configuration information and the first resource pool configuration information.
  • the first sending module is also used for:
  • the target resource pool is the same as the sending resource pool and/or receiving resource pool of the second terminal.
  • the device also includes:
  • a second sending module configured to send the first request information to the network device
  • the first request information is used to request that the first resource pool or the second resource pool be used as the target resource pool
  • the first resource pool is the same as the sending resource pool of the second terminal
  • the second The resource pool is a resource pool whose configuration information is known by the second terminal.
  • the first terminal sends the first request information when the first preset condition is met;
  • the first preset condition is:
  • the sending resource pool configuration information of the first terminal does not have the same configuration information as the sending resource pool of the second terminal; or,
  • the first terminal does not have sending resource pool configuration information
  • the first terminal determines that resource recommendation needs to be performed for the second terminal.
  • the device also includes:
  • a first processing module configured to trigger an RRC connection establishment process when the current state of the first terminal is an idle state or an inactive state, and the first terminal determines that resource recommendation needs to be performed for the second terminal.
  • an RRC connection establishment process is triggered;
  • the second preset condition is:
  • the sending resource pool configuration information of the first terminal does not have the same configuration information as the sending resource pool of the second terminal; or,
  • the first terminal does not have sending resource pool configuration information.
  • the first terminal meets at least one of the following conditions:
  • the first terminal is a terminal performing sidelink communication with the second terminal
  • the sending resource pool of the first terminal corresponds to the configuration information of the sending resource pool of the second terminal
  • the sending resource pool of the first terminal is the same as the sending resource pool of the second terminal;
  • the first terminal has sending resource pool configuration information.
  • the device also includes:
  • a request receiving module configured to receive the second request information of the second terminal
  • the second request information is used to request the first terminal to send the resource information; the second request information is when the second terminal selects the first terminal as the side link resource recommendation terminal triggered.
  • the device also includes:
  • a third sending module configured to send first confirmation information to the second terminal
  • the first confirmation information is used to indicate that the first terminal is a sidelink resource recommendation terminal.
  • the device also includes:
  • a fourth sending module configured to send second resource pool configuration information to the second terminal, where the second resource pool configuration information is configuration information of the sending resource pool of the first terminal;
  • the first terminal receives second confirmation information sent by the second terminal
  • the second confirmation information is used to indicate that the second terminal selects the first terminal as the sidelink resource recommendation terminal.
  • the device also includes:
  • the second processing module is configured to determine that resource recommendation needs to be performed for the second terminal, and in the case that the target resource pool currently selected by the first terminal is different from the sending resource pool of the second terminal, triggering resource resumption selection process.
  • the apparatus sends the first information indicating the first sidelink candidate resource to the second terminal, at this time, since the first sidelink candidate resource is determined based on the resource pool of the second terminal, the second terminal receives After the first information, the first sidelink candidate resource can be specified; if the second information indicating the second sidelink candidate resource and the resource pool identifier are sent, at this time, since the second sidelink candidate resource belongs to the resource.
  • the resource pool corresponding to the pool identifier after the second terminal receives the second information and the resource pool identifier, the second terminal can also specify the second sidelink candidate resource; if the second terminal indicates the third sidelink candidate resource through a physical time slot The third information is sent to the second terminal.
  • the second terminal can also specify the third sidelink candidate resource after receiving the third information. In this way, subsequently, the second terminal can determine sidelink resources based on the sidelink candidate resources indicated by the first terminal, and perform transmission.
  • this device is a device that applies the above-mentioned method for recommending sidelink resources performed by the first terminal, and the implementation of the above method embodiment is applicable to this device, and can also achieve the same technical effect.
  • an information receiving device 500 including:
  • the first receiving module 510 is configured to receive resource information sent by the first terminal
  • the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • the information receiving apparatus in this embodiment of the present application may be implemented as a second terminal.
  • the device also includes:
  • the first resource pool configuration information sending module is configured to send first resource pool configuration information to the first terminal, where the first resource pool configuration information is the configuration information of the sending resource pool of the second terminal.
  • the device also includes:
  • a second receiving module configured to receive the first confirmation information sent by the first terminal
  • the first confirmation information is used to indicate that the first terminal is a sidelink resource recommendation terminal or a candidate terminal for a sidelink resource recommendation terminal.
  • the device also includes:
  • a third receiving module configured to receive second resource pool configuration information sent by the first terminal, where the second resource pool configuration information is configuration information of the sending resource pool of the first terminal;
  • a confirmation information sending module configured to send second confirmation information to the first terminal
  • the second confirmation information is used to indicate that the second terminal selects the first terminal as the sidelink resource recommendation terminal.
  • the device also includes:
  • a request information sending module configured to send second request information to the first terminal
  • the second request information is used to request the first terminal to send the resource information; the second request information is when the second terminal selects the first terminal as the sidelink resource recommendation terminal triggered.
  • the device also includes:
  • the second selection module is used to select a sidelink resource recommendation terminal or a candidate terminal of a sidelink resource recommendation terminal, and the sidelink resource recommendation terminal or a candidate terminal of a sidelink resource recommendation terminal satisfies at least one of the following conditions item:
  • the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal is a terminal that performs sidelink communication with the second terminal;
  • the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal has a PC5-RRC connection with the second terminal;
  • At least one of the resource pools corresponding to the sending resource pool configuration information of the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal and the resource pool corresponding to the sending resource pool configuration information of the second terminal is the same resource pool;
  • the transmission resource pool of the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal corresponds to the transmission resource pool configuration information of the second terminal;
  • the transmission resource pool of the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal is the same as the transmission resource pool of the second terminal;
  • the sidelink resource recommendation terminal or the candidate terminal of the sidelink resource recommendation terminal has transmission resource pool configuration information.
  • the second terminal selects a sidelink resource recommendation terminal according to a preset strategy.
  • the preset strategy is:
  • the second terminal receives After the first information, the first sidelink candidate resource can be specified; if the first terminal receives the second information indicating the second sidelink candidate resource and the resource pool identifier, at this time, because the second sidelink candidate resource The resource belongs to the resource pool corresponding to the resource pool identifier. After the second terminal receives the second information and the resource pool identifier, the second terminal can also specify the second sidelink candidate resource; The third information of the three sidelink candidate resources.
  • the second terminal can also specify the third sidelink candidate resources after receiving the third information. In this way, subsequently, the second terminal can determine sidelink resources based on the sidelink candidate resources indicated by the first terminal, and perform transmission.
  • this device is a device to which the above-mentioned information receiving method performed by the second terminal is applied, and the implementation of the above-mentioned method embodiment is applicable to this device, and can also achieve the same technical effect.
  • the device for recommending sidelink resources in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal includes but is not limited to the types of terminal 11 listed above, and the non-mobile terminal can be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television (television , TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • this embodiment of the present application also provides a communication device, including a processor 601, a memory 602, and programs or instructions stored in the memory 602 and operable on the processor 601, such as , when the communication device 600 is a terminal, when the program or instruction is executed by the processor 601, each process of the embodiment of the sidelink resource recommendation method executed by the first terminal or the information receiving method executed by the second terminal is implemented, and can achieve Same technical effect.
  • a communication device including a processor 601, a memory 602, and programs or instructions stored in the memory 602 and operable on the processor 601, such as , when the communication device 600 is a terminal, when the program or instruction is executed by the processor 601, each process of the embodiment of the sidelink resource recommendation method executed by the first terminal or the information receiving method executed by the second terminal is implemented, and can achieve Same technical effect.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, where the communication interface is used to send resource information to a second terminal, where the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • This terminal embodiment corresponds to the above-mentioned first terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, where the communication interface is used to receive resource information sent by the first terminal;
  • the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • This terminal embodiment corresponds to the above-mentioned second terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 7 is a schematic diagram of a hardware structure of a terminal implementing various embodiments of the present application.
  • the terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, and a processor 710, etc. at least some of the components.
  • the terminal 700 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 710 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 7 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 704 may include a graphics processor (Graphics Processing Unit, GPU) 7041 and a microphone 7042, and the graphics processor 7041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 706 may include a display panel 7061, and the display panel 7061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 707 includes a touch panel 7071 and other input devices 7072 .
  • the touch panel 7071 is also called a touch screen.
  • the touch panel 7071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 7072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 701 receives the downlink data from the network side device, and processes it to the processor 710; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 709 can be used to store software programs or instructions as well as various data.
  • the memory 709 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 709 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 710 may include one or more processing units; optionally, the processor 710 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 710 .
  • the radio frequency unit 701 is configured to send resource information to the second terminal, where the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • the second terminal receives After the first information, the first sidelink candidate resource can be specified; if the first terminal sends the second information indicating the second sidelink candidate resource and the resource pool identifier, at this time, because the second sidelink candidate resource Belonging to the resource pool corresponding to the resource pool identifier, the second terminal can also specify the second sidelink candidate resource after receiving the second information and the resource pool identifier; The third information of the link candidate resource is sent to the second terminal.
  • the second terminal can also specify the third side link candidate resource after receiving the third information. . In this way, subsequently, the second terminal can determine sidelink resources based on the sidelink candidate resources indicated by the first terminal, and perform transmission.
  • the radio frequency unit 701 of the terminal in FIG. 7 is configured to receive resource information sent by the first terminal;
  • the resource information includes:
  • First information where the first information is used to indicate a first sidelink candidate resource, and the first sidelink candidate resource is determined based on the resource pool of the second terminal; or,
  • the second information and a resource pool identifier where the second information is used to indicate a second sidelink candidate resource, and the second sidelink candidate resource belongs to the resource pool corresponding to the resource pool identifier; or,
  • Third information where the third information is used to indicate a third sidelink candidate resource through a physical time slot.
  • the second terminal After receiving the first information, the terminal can specify the first sidelink candidate resource; if the second terminal receives the second information indicating the second sidelink candidate resource and the resource pool identifier sent by the first terminal, at this time, because the first The two sidelink candidate resources belong to the resource pool corresponding to the resource pool identifier, after the second terminal receives the second information and the resource pool identifier, the second terminal can also specify the second sidelink candidate resource; if the second terminal receives the first The terminal sends the third information indicating the third sidelink candidate resource through a physical time slot.
  • the second terminal can also clarify the second terminal after receiving the third information. Three sidelink candidate resources. In this way, subsequently, the second terminal can determine sidelink resources based on the sidelink candidate resources indicated by the first terminal, and perform transmission.
  • An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the above method for recommending sidelink resources executed by the first terminal is implemented, or
  • the various processes of the embodiment of the information receiving method performed by the second terminal can achieve the same technical effect, so to avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
  • the 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, and the processor is used to run programs or instructions to realize the above-mentioned bypassing of the execution of the first terminal.
  • the method for recommending link resources, or the various processes of the embodiment of the information receiving method performed by the second terminal can achieve the same technical effect, so to avoid repetition, details are not repeated here.
  • chips mentioned in the embodiments of the present application may also be called system-on-chip, system-on-chip, system-on-a-chip, or system-on-a-chip.
  • the embodiment of the present application further provides a computer program/computer program product, the computer program/computer program product is stored in a non-volatile storage medium, and the computer program/computer program product is executed by at least one processor to
  • the method for recommending sidelink resources performed by the first terminal above, or the processes of the embodiment of the method for receiving information performed by the second terminal are implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • 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, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, 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.

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  • Mobile Radio Communication Systems (AREA)

Abstract

Dans la présente demande, sont divulgués un procédé et un appareil de recommandation de ressources de liaison latérale, un procédé et un appareil de réception d'informations, et un terminal, lesquels appartiennent au domaine technique des communications. Dans les modes de réalisation de la présente demande, le procédé de recommandation de ressources de liaison latérale comprend les étapes suivantes : un premier terminal envoie des informations de ressources à un second terminal, les informations de ressources comprenant : des premières informations, qui sont utilisées pour indiquer une première ressource candidate de liaison latérale, cette première ressource candidate de liaison latérale étant déterminée sur la base d'un groupe de ressources du second terminal ; ou des secondes informations et un identifiant de groupe de ressources, ces secondes informations étant utilisées pour indiquer une seconde ressource candidate de liaison latérale, et la seconde ressource candidate de liaison latérale appartenant à un groupe de ressources correspondant à l'identifiant de groupe de ressources ; ou des troisièmes informations qui sont utilisées pour indiquer une troisième ressource candidate de liaison latérale au moyen d'un créneau physique.
PCT/CN2022/103318 2021-07-07 2022-07-01 Procédé et appareil de recommandation de ressources de liaison latérale, procédé et appareil de réception d'informations, et terminal WO2023280068A1 (fr)

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CN202110767601.5A CN115604826A (zh) 2021-07-07 2021-07-07 旁链路资源推荐方法、信息接收方法、装置及终端

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020035142A1 (fr) * 2018-08-16 2020-02-20 Huawei Technologies Co., Ltd. Dispositifs et procédés de sélection de ressources de liaison latérale basée sur récepteur
CN111436121A (zh) * 2019-01-11 2020-07-21 华为技术有限公司 一种旁链路资源的配置方法及装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020035142A1 (fr) * 2018-08-16 2020-02-20 Huawei Technologies Co., Ltd. Dispositifs et procédés de sélection de ressources de liaison latérale basée sur récepteur
CN111436121A (zh) * 2019-01-11 2020-07-21 华为技术有限公司 一种旁链路资源的配置方法及装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FRAUNHOFER HHI, FRAUNHOFER IIS: "Resource Allocation Enhancements for Mode 2", 3GPP DRAFT; R1-2008757, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20201026 - 20201113, 23 October 2020 (2020-10-23), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051945369 *

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