WO2022141095A1 - Procédé et appareil de sélection d'un ue auxiliaire, et support de stockage - Google Patents

Procédé et appareil de sélection d'un ue auxiliaire, et support de stockage Download PDF

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Publication number
WO2022141095A1
WO2022141095A1 PCT/CN2020/141016 CN2020141016W WO2022141095A1 WO 2022141095 A1 WO2022141095 A1 WO 2022141095A1 CN 2020141016 W CN2020141016 W CN 2020141016W WO 2022141095 A1 WO2022141095 A1 WO 2022141095A1
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Prior art keywords
information
indicate
auxiliary
resource selection
movement
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PCT/CN2020/141016
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English (en)
Chinese (zh)
Inventor
杨星
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2020/141016 priority Critical patent/WO2022141095A1/fr
Priority to CN202080004345.8A priority patent/CN112753266B/zh
Publication of WO2022141095A1 publication Critical patent/WO2022141095A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the present disclosure relates to, but is not limited to, the field of communication technologies, and in particular, to a method, apparatus, and storage medium for assisting UE selection.
  • a direct link (SideLink, SL) communication mode is introduced; wherein, the interface between UE and UE is PC-5 .
  • SL direct link
  • the UE autonomously selects the transmission resource on the SL, if the adjacent UE selects the same transmission resource, it may cause transmission collision and reduce reliability. To avoid such collisions, a sensing mechanism is introduced.
  • the UE needs to monitor the Sidelink Control Information (SCI) sent by other UEs continuously or within a period of time to obtain the resource selection information of other UEs; and when the UE selects resources by itself, avoid selecting the same transmission resource. If some resources are not sensed, the part of resources that are not sensed cannot be selected during resource selection. At the same time, according to the channel congestion measurement result, the transmitting UE selects different transmission resources to avoid excessive channel congestion.
  • some SL sending UEs may not have channel sensing and measurement functions, other UEs are required to provide resource selection assistance information for this UE. The UE selects resources according to the received resource selection assistance information.
  • the embodiments of the present disclosure disclose a selection method, apparatus, communication device, and storage medium for assisting a UE.
  • a selector for assisting a UE which is applied to the first UE, including:
  • the first information of the first UE is sent; wherein, the first information is used for the second UE to determine whether the first UE can serve as an auxiliary UE for providing resource selection assistance information.
  • a method for selecting an auxiliary UE is provided, which is applied to a second standby UE, including:
  • an apparatus for selecting an auxiliary UE is provided, applied to the first UE, including:
  • the first sending module is configured to send first information of the first UE; wherein the first information is used for the second UE to determine whether the first UE can serve as an auxiliary UE for providing resource selection assistance information.
  • an apparatus for selecting an assisting UE is provided, applied to a second UE, including:
  • the second receiving module is configured to receive the first information of the first UE; wherein the first information is used for the second UE to determine whether the first UE can serve as an auxiliary UE for providing resource selection assistance information.
  • a communication device comprising:
  • memory for storing processor-executable instructions
  • the processor is configured to: when executing the executable instructions, implement the method for assisting the selection of the UE in any embodiment of the present disclosure.
  • a computer storage medium stores a computer-executable program.
  • the executable program is executed by a processor, the method for selecting an auxiliary UE according to any embodiment of the present disclosure is implemented.
  • the first information of the first UE may be sent by the first UE, and the first information may be used by the second UE to determine whether the first UE can serve as an auxiliary UE that provides auxiliary information for resource selection; thus, in this disclosure
  • it can be accurately determined whether the first UE can serve as the auxiliary UE that provides the resource selection assistance information, so that the second UE can obtain more accurate resource selection assistance information, which is beneficial for the second UE to select based on the received resources.
  • the auxiliary information is used for resource selection, the occurrence of resource collision and/or channel congestion is minimized.
  • FIG. 1 is a schematic structural diagram of a wireless communication system.
  • FIG. 2 is a schematic diagram illustrating a method for selecting an auxiliary UE according to an exemplary embodiment.
  • Fig. 3 is a schematic diagram showing a method for selecting an auxiliary UE according to an exemplary embodiment.
  • Fig. 4 is a schematic diagram illustrating a method for selecting an auxiliary UE according to an exemplary embodiment.
  • Fig. 5 is a schematic diagram illustrating a method for selecting an auxiliary UE according to an exemplary embodiment.
  • Fig. 6 is a schematic diagram illustrating a method for selecting an auxiliary UE according to an exemplary embodiment.
  • FIG. 7 is a schematic diagram illustrating a method for selecting an auxiliary UE according to an exemplary embodiment.
  • Fig. 8 is a schematic diagram illustrating a method for selecting an auxiliary UE according to an exemplary embodiment.
  • Fig. 9 is a schematic diagram illustrating a method for selecting an auxiliary UE according to an exemplary embodiment.
  • Fig. 10 is a schematic diagram illustrating a method for selecting an auxiliary UE according to an exemplary embodiment.
  • Fig. 11 is a block diagram of an apparatus for assisting UE selection according to an exemplary embodiment.
  • Fig. 12 is a block diagram of an apparatus for assisting UE selection according to an exemplary embodiment.
  • Fig. 13 is a block diagram of a UE according to an exemplary embodiment.
  • Fig. 14 is a block diagram of a base station according to an exemplary embodiment.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include: several user equipments 110 and several base stations 120 .
  • the user equipment 110 may be a device that provides voice and/or data connectivity to the user.
  • User equipment 110 may communicate with one or more core networks via a Radio Access Network (RAN), and user equipment 110 may be IoT user equipment such as sensor devices, mobile phones (or "cellular" phones) ) and a computer with IoT user equipment, for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • RAN Radio Access Network
  • IoT user equipment such as sensor devices, mobile phones (or "cellular" phones)
  • a computer with IoT user equipment for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • station Ses, STA
  • subscriber unit subscriber unit
  • subscriber station subscriber station
  • mobile station mobile station
  • mobile station mobile station
  • remote station remote station
  • access terminal remote user equipment
  • the user equipment 110 may also be a device of an unmanned aerial vehicle.
  • the user equipment 110 may also be an in-vehicle device, for example, a trip computer with a wireless communication function, or a wireless user equipment connected to an external trip computer.
  • the user equipment 110 may also be a roadside device, for example, may be a street light, a signal light, or other roadside devices with a wireless communication function.
  • the base station 120 may be a network-side device in a wireless communication system.
  • the wireless communication system may be a fourth generation mobile communication (the 4th generation mobile communication, 4G) system, also known as a long term evolution (Long Term Evolution, LTE) system; or, the wireless communication system may also be a 5G system, Also known as New Radio System or 5G NR System.
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the access network in the 5G system can be called a new generation radio access network (New Generation-Radio Access Network, NG-RAN).
  • NG-RAN New Generation-Radio Access Network
  • the base station 120 may be an evolved base station (eNB) used in the 4G system.
  • the base station 120 may also be a base station (gNB) that adopts a centralized distributed architecture in a 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 120 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Medium Access Control (Medium Access Control, MAC) layer;
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Medium Access Control
  • a physical (Physical, PHY) layer protocol stack is set in the distribution unit, and a specific implementation manner of the base station 120 is not limited in this embodiment of the present disclosure.
  • a wireless connection can be established between the base station 120 and the user equipment 110 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, such as
  • the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a 5G next-generation mobile communication network technology standard.
  • an E2E (End to End, end-to-end) connection may also be established between the user equipments 110 .
  • V2V vehicle-to-vehicle
  • V2I vehicle-to-infrastructure
  • V2P vehicle-to-pedestrian
  • V2X vehicle-to-everything
  • the above-mentioned user equipment may be regarded as the terminal equipment of the following embodiments.
  • the above wireless communication system may further include a network management device 130 .
  • the network management device 130 may be a core network device in a wireless communication system.
  • the network management device 130 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, such as a serving gateway (Serving GateWay, SGW), a public data network gateway (Public Data Network GateWay, PGW), a policy and charging rules functional unit (Policy and Charging Rules) Function, PCRF) or home subscriber server (Home Subscriber Server, HSS), etc.
  • the implementation form of the network management device 130 is not limited in this embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a first UE, including:
  • Step S21 Send the first information of the first UE; wherein, the first information is used for the second UE to determine whether the first UE can serve as an auxiliary UE for providing resource selection assistance information.
  • both the first UE and the second UE may be various types of mobile terminals or fixed terminals.
  • both the first UE and the second UE may be, but not limited to, a mobile phone, a computer, a server, a wearable device, a game control platform, or a multimedia device.
  • the first UE and the second UE establish the SL communication mode.
  • the first UE sends the first information of the first UE to the second UE through the SL.
  • the first information includes but is not limited to at least one of the following:
  • the first UE may send the movement status information and/or the spatial position information to the second UE, so that the second UE can know whether the first UE is around itself or whether it is around itself soon, so that the The second UE can accurately determine whether the first UE can serve as the auxiliary UE selected to transmit the resource selection assistance information.
  • mobility status information includes:
  • the movement indication information is used to indicate whether the first UE is a mobile UE.
  • the movement indication information here may include: first movement indication information and second movement indication information.
  • first movement indication information is "1", which is used to indicate that the first UE is a mobile UE;
  • second movement indication information is "0", which is used to indicate that the first UE is not a mobile UE or a stationary UE.
  • the first UE sends the movement indication information to the second UE, so that the second UE can know whether the first UE is moving and determine whether the first UE will approach itself soon.
  • mobility status information includes:
  • the mobility parameter information is used to indicate the mobility parameters of the mobile UE.
  • the movement parameters include, but are not limited to, one of the following:
  • a first movement rate parameter used to indicate that the movement rate of the mobile UE is higher than or equal to a predetermined rate
  • the second movement rate parameter is used to indicate that the movement rate of the mobile UE is lower than or equal to the predetermined rate.
  • the movement rate of the indicated mobile UE when the movement rate of the indicated mobile UE (that is, the first UE) is higher than or equal to the predetermined rate, it can be determined that the mobility of the first UE is relatively high, so that the second UE can be informed about the first UE. Whether the UE will approach itself in a relatively short period of time; when the movement rate of the indicated mobile UE is lower than or equal to the predetermined rate, it can be determined that the mobility of the second UE is relatively low, so that the second UE can be informed of the first UE Whether it will be close to itself for a relatively long time. In this way, the second UE can be made to determine whether the first UE will approach itself soon through the movement parameter.
  • the movement rate parameter may also be a movement rate parameter including more categories; for example, the movement rate parameter includes: the first movement rate parameter, the second movement rate parameter, ..., the Nth movement rate parameter; wherein, the first movement rate parameter is used to indicate that the movement rate of the mobile UE is within the range of the first rate threshold; the second movement rate parameter is used to indicate that the movement rate of the mobile UE is within the range of the second rate threshold;
  • the Nth movement rate parameter is used to indicate that the movement rate of the mobile UE is within the Nth rate threshold range;
  • the lower limit of the first rate threshold range is greater than or equal to the upper limit of the second rate threshold range, and the second rate threshold
  • the lower limit of the range is greater than or equal to the upper limit of the third rate threshold range, ..., the lower limit of the N-1th rate threshold range is greater than or equal to the upper limit of the Nth rate threshold range.
  • N is a positive integer greater than 2.
  • the mobility condition parameters include:
  • the moving direction parameter is used to indicate the moving direction of the moving UE.
  • the movement direction parameter including but not limited to one of the following:
  • a first movement direction parameter used to indicate the direction in which the moving UE moves away from the second UE
  • the second moving direction parameter is used to indicate the moving direction of the moving UE approaching the second UE.
  • the moving direction parameter may also be sent to the second UE through the first UE, so that the second UE can know whether the first UE is moving in a direction close to itself, so that the second UE can know the first UE. Whether a UE is approaching itself very soon.
  • the spatial location information includes, but is not limited to, at least one of the following:
  • an area identifier used to indicate an identifier of the area where the first UE is located
  • the relative location information is used to indicate location information of the first UE relative to the second UE.
  • the relative position information here may be used to indicate the distance of the first UE relative to the second UE, and may also be used to indicate spatial position information of the first UE relative to the second UE, and the like.
  • the location information of the area where each UE is located may be pre-established. In this way, the distance between the first UE and the second UE can be determined according to the area where the first UE is located and the area where the second UE is located.
  • the area of the first UE may be identified by the first UE, so that the second UE knows the area where the first UE is located, so as to determine whether the first UE is around the second UE;
  • the first UE sends the relative location information to the second UE, so that the second UE can know whether the first UE is around the second UE.
  • the embodiment of the present disclosure can enable the second UE to accurately determine whether the first UE is around itself.
  • the resource selection assistance message includes, but is not limited to, at least one of the following:
  • the resource sensing result which is used to indicate the resources used by UEs other than the first UE to transmit data
  • the channel congestion rate is used to indicate the occupancy of the channel.
  • the channel measurement result is used to indicate the measurement result of the channel measurement parameter.
  • the channel measurement result is used to indicate a measurement result of at least one of channel quality, reference signal reception command, and signal-to-noise ratio.
  • the first information of the first UE may be sent by the first UE, and the first information may be used by the second UE to determine whether the first UE can serve as an auxiliary UE that provides assistance information for resource selection.
  • it can be accurately determined whether the first UE can serve as the auxiliary UE that provides the resource selection assistance information, so that the second UE can obtain more accurate resource selection assistance information, which is beneficial to the second UE based on the reception
  • resource selection is performed using the obtained resource selection assistance information, the occurrence of resource collision and/or channel congestion is minimized.
  • the first UE may send spatial location information to the second UE, so that the second UE can know whether the first UE is around itself; and/or, the first UE sends the movement status information To the second UE, so that the second UE can know if the first UE will be around itself soon.
  • the embodiment of the present disclosure can enable the second UE to select the first UE that is relatively close to itself as the auxiliary UE for sending the auxiliary resource selection information. In this way, the accuracy of the obtained auxiliary resource selection information can be further improved, and further Reduce the probability of resource collision and/or channel congestion.
  • an embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a first UE, including:
  • Step S31 receive a trigger request message
  • Step S32 Send the first information of the first UE based on the trigger request message.
  • the first UE receives the trigger message sent by the second UE.
  • the trigger request message here may be sent based on a unicast message or a broadcast message.
  • the first UE establishes a unicast connection with the second UE, and the first UE receives a unicast message carrying a trigger message sent by the second UE.
  • at least one first UE establishes a multicast connection with a second UE, and the first UE receives a broadcast message carrying a trigger message sent by the second UE.
  • the first information may be the first information described in step S21, which is not repeated here.
  • the first information of the first UE may be sent only when the first UE receives the trigger request message. In this way, the embodiment of the present disclosure only sends the first information when the trigger request message is received, which can greatly save network resources compared to sending the first information of the first UE all the time.
  • an embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a first UE, including:
  • Step S41 Periodically send the first information of the first UE.
  • the first UE may send the first information in the 1st second, the 2nd second, ... and the Nth second; wherein, N is a positive integer greater than 1.
  • the first information of the first UE is periodically sent.
  • the first UE receives the period sent by the second UE.
  • the first UE receives configuration information sent by the second UE, where the configuration information carries a period.
  • the first UE is preconfigured with a period.
  • the period for reporting the first information is preconfigured by the first UE, or the first UE obtains a period for reporting the first information that is preconfigured in the communication protocol.
  • the above-mentioned period may also be determined in any feasible manner, which is not limited in this embodiment of the present disclosure.
  • the first UE may periodically report the first information of the first UE.
  • the embodiments of the present disclosure can, on the one hand, save network resources compared to always sending the first information of the first UE; on the other hand, can be applicable to more application scenarios and realize flexible configuration of reporting trigger messages.
  • the first UE may also send the first information of the first UE aperiodically. In this way, more application scenarios can be applied to achieve more flexible configuration.
  • the first information may be the first information described in step S21, which is not repeated here.
  • an embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a first UE, including:
  • Step S51 Based on the trigger event, send the first information of the first UE.
  • a trigger event that triggers the first UE to send the first information is determined.
  • the first UE receives the trigger event sent by the second UE.
  • the trigger event is preconfigured by the first UE.
  • the first UE acquires a trigger event configured by the base station.
  • a method for selecting an auxiliary UE may also include: acquiring a trigger event that triggers the first UE to send the first information.
  • the first UE may determine the trigger event in various ways.
  • the trigger event may be determined based on the pre-configuration of the first UE, or the trigger event configured by the base station may be acquired, and the trigger event may also be received by the second UE as a The triggering event configured by the first UE.
  • the embodiments of the present disclosure can be applied to more application scenarios to assist in accurate selection of UEs.
  • the trigger event includes, but is not limited to, at least one of the following:
  • the area where the first UE is located changes
  • the distance by which the position of the first UE changes within the predetermined time range is greater than or equal to the predetermined distance
  • the distance between the first UE and the second UE is greater than or equal to the predetermined distance.
  • the area of the first UE at the first moment is area 1, and the area at the second moment is area 2.
  • the area where the first UE is located changes, so that the first UE can be triggered to send the first message.
  • the distance that the first UE moves in 1 second exceeds 50 meters.
  • the location of the first UE changes, which can trigger the first UE to send the first message.
  • the distance between the first UE and the second UE is greater than 50 meters.
  • the distance between the first UE and the second UE exceeds the predetermined distance, and the distance between the first UE and the second UE is relatively far; in this way, the first UE can also be triggered to send the first message.
  • the first UE when the first UE leaves the current area, or the change of the position of the first UE exceeds a certain threshold, or the distance between the first UE and the second UE exceeds a certain threshold, it can be regarded as the cause of the first UE.
  • a trigger event for the UE to report the first information when the first UE leaves the current area, or the change of the position of the first UE exceeds a certain threshold, or the distance between the first UE and the second UE exceeds a certain threshold, it can be regarded as the cause of the first UE.
  • the first information may be the first information described in step S21, which is not repeated here.
  • the first UE when the trigger event is acquired by the first UE, the first UE may be sent based on the trigger event.
  • the second UE can be enabled to know in time whether the current location of the first UE is around itself or is very close to itself, so that the second UE can be enabled to determine in time whether the first UE can be used as an assistant for providing resource selection assistance information UE, thereby reducing the occurrence of resource collision and/or channel congestion.
  • the trigger event can be acquired in various ways and/or the trigger event can be in various forms, so that more application scenarios can be applied, and flexible configuration of assisting UE selection can be realized.
  • an embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a first UE, including:
  • Step S61 In response to the first UE being able to serve as an auxiliary UE for providing resource selection assistance information for the second UE, send first information carrying identification information; wherein the identification information is used to indicate that the first UE can be the second UE Provides resource selection assistance information.
  • the identification information is "1", which is used to indicate that the first UE can provide selection assistance information for the second UE.
  • the first information may be the first information described in step S21, which is not repeated here.
  • the first UE may send the first information only when it is determined that the first UE can provide resource selection assistance information for the second UE; and the first message carries an indication that the first UE provides the second UE with the auxiliary information. Identification information of resource selection auxiliary information.
  • the second UE can be made aware that the first UE can provide the resource selection assistance information for the second UE, thereby increasing the probability that the second UE can determine that the first UE can serve as the assistance UE that provides the resource selection assistance information.
  • the identification information is carried in the first information transmission, and there is no need to send the identification information separately, so that network resources can also be saved.
  • a method for selecting an auxiliary UE provided by an embodiment of the present disclosure, applied to the first UE includes:
  • Step S71 Receive an acknowledgment message returned based on the first information, where the acknowledgment message is used to indicate that the first UE is determined to be the auxiliary UE that sends the resource selection service information; or, receive a rejection message returned based on the first information, wherein the refusal The message is used to indicate that the first UE is determined not to be the secondary UE that sent the resource selection service message.
  • the acknowledgment or rejection message may be sent over the SL.
  • the confirmation message or rejection message here can be carried in the signaling and sent.
  • a unicast radio resource control (Radio Resource Control, RRC) connection is established between the first UE and the second UE, and the first UE receives the RRC signaling carrying the confirmation message sent by the second UE.
  • RRC Radio Resource Control
  • the first UE may also receive signaling that carries an acknowledgement message or a rejection message, for example, may be Media Access Control (Media Access Control, MAC) signaling.
  • MAC Media Access Control
  • the first UE may also receive system information broadcast by the second UE, where the system information carries a confirmation message or a rejection message.
  • the confirmation message or rejection message here can be carried in the information indication field of the signaling.
  • the confirmation message or the rejection message here may be indicated by a predetermined number of bits.
  • the confirmation message may be "1", and the rejection message may be "0"; in another example, the confirmation message may be "10", and the rejection message may be "00".
  • the first information may be the first information described in step S21, which is not repeated here.
  • the first UE may determine that the second UE agrees to be provided with resource selection assistance information by the first UE by receiving an acknowledgement message sent by the second UE based on the first information; Receiving the rejection message sent by the second UE based on the first information, it is determined that the selection assistance information is not provided by the first UE for the second UE for a period of time. In this way, in the embodiment of the present disclosure, the first UE can know whether the first UE can serve as an auxiliary UE that provides the resource selection auxiliary information for the second UE by receiving different information returned based on the first information.
  • the following method for selecting an auxiliary UE is applied to the second UE, and is similar to the description of the above-mentioned method for selecting an auxiliary UE applied to the first UE.
  • the description of the embodiment of the method for selecting an auxiliary UE applied to the second UE in the present disclosure please refer to the description of the embodiment of the method for selecting an auxiliary UE applied to the second UE in the present disclosure, which will not be described in detail here. illustrate.
  • an embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a second UE, including:
  • Step S81 Receive first information of the first UE; wherein the first information is used by the second UE to determine whether the first UE can serve as an auxiliary UE for providing auxiliary information for resource selection.
  • the first information includes but is not limited to at least one of the following:
  • mobility status information includes:
  • the movement indication information is used to indicate whether the first UE is a mobile UE.
  • mobility status information includes:
  • the mobility parameter information is used to indicate the mobility parameters of the mobile UE.
  • the movement parameters include one of the following:
  • a first movement rate parameter used to indicate that the movement rate of the UE is higher than or equal to a predetermined rate
  • the second movement rate parameter is used to indicate that the movement rate of the UE is lower than or equal to the predetermined rate.
  • the mobility condition parameters include:
  • the moving direction parameter is used to indicate the moving direction of the moving UE.
  • the movement direction parameter including but not limited to one of the following:
  • a first movement direction parameter used to indicate the direction in which the moving UE moves away from the second UE
  • the second moving direction parameter is used to indicate the moving direction of the moving UE approaching the second UE.
  • the spatial location information includes at least one of the following:
  • an area identifier used to indicate an identifier of the area where the first UE is located
  • the relative location information is used to indicate location information of the first UE relative to the second UE.
  • the resource selection assistance message includes at least one of the following:
  • the resource sensing result which is used to indicate the resources used by UEs other than the first UE to transmit data
  • the first information may be the first information described in step S21, which is not repeated here.
  • the second UE may receive the first information of the first UE, so as to accurately determine, based on the first information, whether the first UE can be used as an auxiliary UE for the resource selection auxiliary information provided by the second UE; and then It is helpful for the second UE to obtain accurate resource selection assistance information, so that the second UE can select idle resources for data transmission as much as possible, and can reduce the occurrence of resource collision and/or channel congestion.
  • the first information may be spatial location information and/or movement status information, so that the second UE can be made aware of whether the first UE is around itself or will be around itself soon, so that the The second UE selects the first UE that is closer to itself as the auxiliary UE for resource selection assistance information.
  • the embodiments of the present disclosure can improve the accuracy of the acquired resource selection assistance information, thereby further reducing the probability of resource collision and/or absorbing congestion.
  • an embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a second UE, including:
  • Step S91 According to the first information, determine whether the first UE can serve as an auxiliary UE for providing resource selection assistance information.
  • the second UE determines, based on the first information, that the first UE can act as a secondary UE for providing resource selection assistance information.
  • the second UE determines, based on the identification information carried in the first information, that the first UE can serve as an auxiliary UE for providing resource selection assistance information.
  • a method for selecting an auxiliary UE provided in an embodiment of the present disclosure, applied to a second UE includes:
  • the first information is sent by the first UE after determining that the first UE can serve as the auxiliary information for providing resource selection.
  • the second UE may determine whether the first UE can serve as an auxiliary UE for providing resource assistance information by using the first information.
  • the second UE may know that the first UE is capable of serving as an auxiliary UE for providing resource assistance information by acquiring the first information, and the first information here carries an indication that the first UE can provide the resource assistance information as the second UE. Identification information of resource selection auxiliary information.
  • the first UE determines whether the first UE can serve as the auxiliary UE that provides the resource selection assistance information for the second UE, and when the first UE determines that the first UE can serve as the auxiliary UE that provides the resource auxiliary information for the second UE , and notify the second UE by carrying the identification information in the first information.
  • An embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a second UE, including:
  • the first information of the first UE returned by the first UE based on the trigger request message is received.
  • An embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a second UE, including:
  • the first information of the first UE periodically sent by the first UE is received.
  • An embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a second UE, including:
  • the first information of the first UE that is periodically and periodically sent by the first UE is received.
  • An embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a second UE, including:
  • First information of the first UE sent by the first UE based on the trigger event is received.
  • An embodiment of the present disclosure provides a method for selecting an auxiliary UE, which is applied to a second UE, including:
  • a trigger event is sent, where the trigger event is used to trigger the first UE to send the first information.
  • the triggering event includes, but is not limited to, at least one of the following:
  • the area where the first UE is located changes
  • the distance by which the position of the first UE changes within the predetermined time range is greater than or equal to the predetermined distance
  • the distance between the first UE and the second UE is greater than or equal to the predetermined distance.
  • a method for selecting an auxiliary UE provided by an embodiment of the present disclosure, applied to a second UE includes:
  • a method for selecting an auxiliary UE provided by an embodiment of the present disclosure, applied to a second UE includes:
  • Step S101 In response to determining based on the first information that the first UE is capable of serving as an auxiliary UE for providing resource selection assistance information, send an acknowledgement message; or, in response to determining based on the first information that the first UE is not capable of serving as an auxiliary UE for providing resource selection Assist UE with assistance information, send reject message.
  • the second UE determines, through the first information, whether to agree to the first UE as an auxiliary UE that provides resource selection assistance information; if so, sends an acknowledgement message to the first UE to inform the first UE that it agrees As a secondary UE, if a UE does not agree to send a reject message to the first UE to inform the first UE that it does not agree to use the first UE as a secondary UE.
  • an embodiment of the present disclosure provides an apparatus for selecting an auxiliary UE, which is applied to a first UE, including:
  • the first sending module 51 is configured to send first information of the first UE, wherein the first information is used for the second UE to determine whether the first UE can be used as an auxiliary UE for providing resource selection assistance information.
  • the first information includes at least one of the following:
  • mobility status information includes:
  • the movement indication information is used to indicate whether the first UE is a mobile UE.
  • mobility status information includes:
  • the mobility parameter information is used to indicate the mobility parameters of the mobile UE.
  • the movement parameters include at least one of the following:
  • a first movement rate parameter used to indicate that the movement rate of the mobile UE is higher than or equal to a predetermined rate
  • the second movement rate parameter is used to indicate that the movement rate of the mobile UE is lower than or equal to the predetermined rate.
  • the spatial location information includes at least one of the following:
  • an area identifier used to indicate an identifier of the area where the first UE is located
  • the relative location information is used to indicate location information of the first UE relative to the second UE.
  • a first receiving module 52 includes: a first receiving module 52; wherein,
  • the first receiving module 52 is configured to receive a trigger request message
  • the first sending module 51 is configured to send the first information of the first UE based on the trigger request message.
  • the first sending module 51 is configured to periodically send the first information of the first UE.
  • the apparatus further includes: a first processing module 53; wherein,
  • a first processing module 53 configured to determine a period for sending the first information of the first UE
  • the first sending module 51 is configured to periodically send the first information of the first UE based on the period.
  • the first receiving module 52 is configured to receive the period sent by the second UE.
  • the first sending module 51 is configured to send the first information of the first UE based on a trigger event.
  • the first receiving module 52 is configured to determine a triggering event that triggers the first UE to send the first information.
  • the trigger event includes at least one of the following:
  • the area where the first UE is located changes
  • the distance by which the position of the first UE changes within the predetermined time range is greater than or equal to the predetermined distance
  • the distance between the first UE and the second UE is greater than or equal to the predetermined distance.
  • the first sending module 51 is configured to send first information carrying identification information in response to the first UE being able to serve as an auxiliary UE for providing resource selection assistance information; wherein the identification information is used to indicate The first UE can provide resource selection assistance information for the second UE.
  • the first sending module 51 is configured to receive an acknowledgment message returned based on the first information, wherein the acknowledgment message is used to indicate that the first UE is determined to be the auxiliary UE that sends the resource selection service information.
  • the first receiving module is configured to receive a rejection message returned based on the first information, wherein the rejection message is used to indicate that the first UE is determined not to be a secondary UE that sends the resource selection service message.
  • the resource selection assistance message includes at least one of the following:
  • the resource sensing result which is used to indicate the resources used by UEs other than the first UE to transmit data
  • an embodiment of the present disclosure provides an apparatus for selecting an auxiliary UE, which is applied to a first UE, including:
  • the second receiving module 61 is configured to receive first information of the first UE; wherein the first information is used for the second UE to determine whether the first UE can serve as an auxiliary UE for providing resource selection assistance information.
  • the apparatus includes:
  • the second processing module 62 is configured to determine, according to the first information, whether the first UE can serve as an auxiliary UE for providing resource selection assistance information.
  • the first information includes at least one of the following:
  • mobility status information includes:
  • the movement indication information is used to indicate whether the first UE is a mobile UE.
  • mobility status information includes:
  • the mobility parameter information is used to indicate the mobility parameters of the mobile UE.
  • the movement parameters include one of the following:
  • a first movement rate parameter used to indicate that the movement rate of the UE is higher than or equal to a predetermined rate
  • the second movement rate parameter is used to indicate that the movement rate of the UE is lower than or equal to the predetermined rate.
  • the spatial location information includes at least one of the following:
  • an area identifier used to indicate an identifier of the area where the first UE is located
  • the relative location information is used to indicate location information of the first UE relative to the second UE.
  • the second sending module 63 is configured to send a trigger request message
  • the second receiving module 61 is configured to receive the first information of the first UE returned by the first UE based on the trigger request message.
  • the second receiving module 61 is configured to receive the first information of the first UE periodically sent by the first UE.
  • the second sending module 63 is configured to send a period during which the first UE sends the first information
  • the second receiving module 61 is configured to receive the first information of the first UE that is periodically sent by the first UE based on the period.
  • the second receiving module 61 is configured to receive the first information of the first UE sent by the first UE based on the trigger event.
  • the second sending module 63 is configured to send a trigger event, where the trigger event is used to trigger the first UE to send the first information.
  • the trigger event includes at least one of the following:
  • the area where the first UE is located changes
  • the distance by which the position of the first UE changes within the predetermined time range is greater than or equal to the predetermined distance
  • the distance between the first UE and the second UE is greater than or equal to the predetermined distance.
  • the second receiving module 61 is configured to receive first information carrying identification information, where the identification information is used to indicate that the first UE can provide resource selection assistance information for the second UE.
  • the second sending module 63 is configured to send an acknowledgement message in response to determining based on the first information that the first UE can act as a secondary UE for providing resource selection assistance information.
  • the second sending module 63 is configured to send a rejection message in response to determining based on the first information that the first UE is not capable of serving as a secondary UE for providing resource selection assistance information.
  • the resource selection assistance message includes at least one of the following:
  • the resource sensing result which is used to indicate the resources used by UEs other than the first UE to transmit data
  • Embodiments of the present disclosure provide a communication device, including:
  • memory for storing processor-executable instructions
  • the processor is configured to: when executing the executable instructions, implement the method for assisting the selection of the UE in any embodiment of the present disclosure.
  • the communication device here is a UE; for example, it may be the first UE or the second UE in the foregoing embodiment. In some other embodiments, the communication device may also be a base station.
  • the processor may include various types of storage media, which are non-transitory computer storage media, and can continue to memorize and store information on the user equipment after the user equipment is powered off.
  • the processor may be connected to the memory through a bus or the like, for reading the executable program stored on the memory, for example, at least one of the methods shown in FIG. 2 to FIG. 9 .
  • An embodiment of the present disclosure further provides a computer storage medium, where the computer storage medium stores a computer-executable program, and when the executable program is executed by a processor, implements the method for selecting an auxiliary UE according to any embodiment of the present disclosure. For example, at least one of the methods shown in FIG. 2 to FIG. 9 .
  • FIG. 13 is a block diagram of a user equipment 800 according to an exemplary embodiment.
  • user device 800 may be a mobile phone, computer, digital broadcast user device, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • the user equipment 800 may include one or more of the following components: a processing component 802, a memory 804, a power supply component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814 , and the communication component 816 .
  • the processing component 802 generally controls the overall operation of the user equipment 800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 802 can include one or more processors 820 to execute instructions to perform all or some of the steps of the methods described above.
  • processing component 802 may include one or more modules that facilitate interaction between processing component 802 and other components.
  • processing component 802 may include a multimedia module to facilitate interaction between multimedia component 808 and processing component 802.
  • Memory 804 is configured to store various types of data to support operation at user equipment 800 . Examples of such data include instructions for any application or method operating on user device 800, contact data, phonebook data, messages, pictures, videos, and the like. Memory 804 may be implemented by any type of volatile or nonvolatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power supply component 806 provides power to various components of user equipment 800 .
  • Power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to user equipment 800 .
  • Multimedia component 808 includes a screen that provides an output interface between the user device 800 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • the multimedia component 808 includes a front-facing camera and/or a rear-facing camera. When the user equipment 800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 810 is configured to output and/or input audio signals.
  • audio component 810 includes a microphone (MIC) that is configured to receive external audio signals when user device 800 is in operating modes, such as call mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 804 or transmitted via communication component 816 .
  • audio component 810 also includes a speaker for outputting audio signals.
  • the I/O interface 812 provides an interface between the processing component 802 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 814 includes one or more sensors for providing status assessment of various aspects of user equipment 800 .
  • the sensor component 814 can detect the open/closed state of the device 800, the relative positioning of components, such as the display and keypad of the user device 800, the sensor component 814 can also detect the user device 800 or a component of the user device 800
  • the position of the user equipment 800 changes, the presence or absence of user contact with the user equipment 800, the orientation or acceleration/deceleration of the user equipment 800, and the temperature of the user equipment 800 changes.
  • Sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 816 is configured to facilitate wired or wireless communications between user device 800 and other devices.
  • User equipment 800 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • user equipment 800 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A programmed gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A programmed gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 804 including instructions, executable by the processor 820 of the user equipment 800 to perform the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • an embodiment of the present disclosure shows a structure of a base station.
  • the base station 900 may be provided as a network-side device.
  • base station 900 includes processing component 922, which further includes one or more processors, and a memory resource represented by memory 932 for storing instructions executable by processing component 922, such as application programs.
  • An application program stored in memory 932 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 922 is configured to execute instructions to execute any of the aforementioned methods applied to the base station, eg, the methods shown in FIGS. 4-10 .
  • Base station 900 may also include a power supply assembly 926 configured to perform power management of base station 900, a wired or wireless network interface 950 configured to connect base station 900 to a network, and an input output (I/O) interface 958.
  • Base station 900 may operate based on an operating system stored in memory 932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de sélection d'un UE auxiliaire, un dispositif de communication et un support de stockage. Le procédé de sélection d'un UE auxiliaire comprend : l'envoi de premières informations d'un premier UE, les premières informations étant utilisées par un second UE pour déterminer si le premier UE peut servir d'UE auxiliaire pour fournir des informations auxiliaires de sélection de ressource. Au moyen du procédé de sélection d'un UE auxiliaire, fourni dans les modes de réalisation de la présente divulgation, il est possible de déterminer avec précision si un premier UE peut servir d'UE auxiliaire pour fournir des informations auxiliaires de sélection de ressource de sorte qu'un second UE peut obtenir des informations auxiliaires de sélection de ressource plus précises.
PCT/CN2020/141016 2020-12-29 2020-12-29 Procédé et appareil de sélection d'un ue auxiliaire, et support de stockage WO2022141095A1 (fr)

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CN202080004345.8A CN112753266B (zh) 2020-12-29 2020-12-29 辅助ue的选择方法、装置、通信设备及存储介质

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WO2023065340A1 (fr) * 2021-10-22 2023-04-27 北京小米移动软件有限公司 Procédé et appareil d'envoi d'informations auxiliaires, procédé et appareil de réception d'informations auxiliaires, appareil de communication et support de stockage

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