WO2022161018A1 - Procédé et appareil de détermination de dispositif d'assistance, dispositif électronique et support de stockage - Google Patents

Procédé et appareil de détermination de dispositif d'assistance, dispositif électronique et support de stockage Download PDF

Info

Publication number
WO2022161018A1
WO2022161018A1 PCT/CN2021/139571 CN2021139571W WO2022161018A1 WO 2022161018 A1 WO2022161018 A1 WO 2022161018A1 CN 2021139571 W CN2021139571 W CN 2021139571W WO 2022161018 A1 WO2022161018 A1 WO 2022161018A1
Authority
WO
WIPO (PCT)
Prior art keywords
auxiliary
control information
communication
identification code
information
Prior art date
Application number
PCT/CN2021/139571
Other languages
English (en)
Chinese (zh)
Inventor
陈咪咪
Original Assignee
展讯通信（上海）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 展讯通信（上海）有限公司 filed Critical 展讯通信（上海）有限公司
Publication of WO2022161018A1 publication Critical patent/WO2022161018A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a method, apparatus, electronic device, and storage medium for determining auxiliary equipment.
  • V2X Vehicle to everything
  • UE User Equipment
  • V2V Vehicle to Vehicle
  • embodiments of the present application provide a method, apparatus, electronic device, and storage medium for determining an auxiliary device, which can reduce the collision problem and improve the transmission reliability of the auxiliary communication system.
  • an embodiment of the present application provides a method for determining an auxiliary device, the method comprising:
  • control information including auxiliary capability information
  • an auxiliary device is determined, and the auxiliary device is used for auxiliary side link SL communication.
  • the auxiliary capability information is used to indicate that the sending device of the control information supports auxiliary SL communication; according to the auxiliary capability information, determining the auxiliary device includes:
  • the sending device of the control information is an auxiliary device for assisting its own SL communication.
  • the method further includes:
  • the auxiliary capability information includes at least one of the following information:
  • the indication information is used to indicate the device capability of assisting SL communication.
  • control information is first-order side link control information.
  • the format of the first-order side link control information is format 1-A.
  • control information includes auxiliary capability information, including:
  • the first-order side link side link control information includes an indication information field, and the indication information field is used to indicate the device capability of assisting SL communication.
  • the format of the first-order side link control information is predefined.
  • control information includes auxiliary capability information, including:
  • the first-order side link control information includes the area identification code field, and the area identification code field includes the area identification code.
  • determining the auxiliary device according to the auxiliary capability information including:
  • the sending device of the control information is an auxiliary device for assisting its own SL communication.
  • control information is second-order side link control information.
  • the format of the second-order side link control information is format 2-A.
  • control information includes auxiliary capability information, including:
  • the second-order side link control information includes a target identification code field, and the target identification code field includes a target identification code, and the target identification code is used to indicate the device capability of assisting SL communication.
  • determining the auxiliary device according to the auxiliary capability information including:
  • auxiliary SL communication If the device capability of the auxiliary SL communication is used to indicate that the sending device of the control information supports the auxiliary SL communication, determine the distance between itself and the sending device of the control information;
  • the sending device of the control information is an auxiliary device for assisting its own SL communication.
  • determine the distance between itself and the sending device of the control information including:
  • the format of the second-order side link control information is format 2-B.
  • control information includes auxiliary capability information, including:
  • the second-order side link control information includes a target identification code field, and the target identification code field includes a target identification code, and the target identification code is used to indicate the device capability of assisting SL communication.
  • determining the auxiliary device according to the auxiliary capability information including:
  • auxiliary SL communication If the device capability of the auxiliary SL communication is used to indicate that the sending device of the control information supports the auxiliary SL communication, determine the distance between itself and the sending device of the control information;
  • the sending device of the control information is an auxiliary device for assisting its own SL communication.
  • the format of the second-order side link control information is predefined.
  • the second-order side link control information includes a region identification code field and/or a target identification code field
  • the region identification code field includes a region identification code
  • the target identification code field includes a target identification code
  • an embodiment of the present application provides a device for determining auxiliary equipment, including:
  • a receiving unit configured to receive control information, where the control information includes auxiliary capability information;
  • the determining unit is configured to determine an auxiliary device according to the auxiliary capability information, and the auxiliary device is used to assist the side link SL communication.
  • an embodiment of the present application provides a storage medium, where the storage medium includes a stored program, wherein when the program runs, a device where the storage medium is located is controlled to execute the above-mentioned method for determining an auxiliary device.
  • an embodiment of the present application provides an electronic device, including a memory and a processor, where the memory is used for storing information including program instructions, and the processor is used for controlling the execution of the program instructions, wherein the When the program instructions are loaded and executed by the processor, the above-mentioned method for determining the auxiliary device is implemented.
  • the control information is received, and the control information includes the auxiliary capability information; the auxiliary device is determined according to the auxiliary capability information, and the auxiliary device is used for the auxiliary side link SL communication, which can reduce the collision problem and improve the transmission of the auxiliary communication system. reliability.
  • FIG. 1 is a flowchart of a method for determining an auxiliary device provided by an embodiment of the present application
  • FIG. 2 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application
  • FIG. 3 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application.
  • FIG. 4 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application.
  • FIG. 5 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application.
  • FIG. 6 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application
  • FIG. 7 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a device for determining an auxiliary device according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of an electronic device according to an embodiment of the present application.
  • first, second, etc. may be used to describe the set thresholds in the embodiments of the present application, these set thresholds should not be limited to these terms. These terms are only used to distinguish set thresholds from one another.
  • the first set threshold may also be referred to as the second set threshold, and similarly, the second set threshold may also be referred to as the first set threshold.
  • the UE working in mode 2 is always doing resource sensing.
  • the UE will randomly select this transmission and subsequent multiple transmissions from the candidate resources according to the candidate resources sensed within a period of time before the data packet arrives. resources, and reserve resources for subsequent retransmissions or periodic transmissions in the control information (SCI) of the first transmission.
  • SCI control information
  • TX UE transmitting user equipment
  • RX UE receiving user equipment
  • the way of cooperative communication between UEs can be used as an enhancement of mode 2, that is, the TX UE completes V2X communication with the assistance of the auxiliary UE, and the auxiliary UE can be either an RX UE or a non-local communication link.
  • the system includes a TX UE 1, an auxiliary UE 2, and an RX UE 3.
  • the TX UE 1 is in communication connection with the auxiliary UE 2 and the RX UE 3, respectively.
  • the TX UE 1 is a receiving device of the control information
  • the auxiliary UE 2 is a transmitting device of the control information.
  • the TX UE 1 is used to receive the SCI, and the SCI includes the auxiliary capability information; it is also used to determine the auxiliary UE 2 according to the auxiliary capability information, and the auxiliary UE 2 is used for auxiliary side link (SideLink, abbreviated: SL) communication.
  • SCI auxiliary capability information
  • SL auxiliary side link
  • the TX UE 1 is also used to send an SL communication auxiliary request to the auxiliary UE 2, and the SL communication auxiliary request carries the information about the TX UE 1 to help the auxiliary UE 2 determine the auxiliary information ; TX UE 1 communicates with RX UE 3 according to the auxiliary information.
  • the control information is received, and the control information includes the auxiliary capability information; the auxiliary device is determined according to the auxiliary capability information, and the auxiliary device is used for auxiliary side link SL communication, which can reduce the collision problem and improve the auxiliary communication system. transmission reliability.
  • FIG. 2 is a flowchart of a method for determining an auxiliary device provided by an embodiment of the present application. As shown in FIG. 2 , the method includes:
  • Step 101 The first device receives the SCI of the second device, where the SCI includes auxiliary capability information.
  • the first device is an SCI receiving device
  • the second device is an SCI sending device
  • Step 102 The first device determines an auxiliary device according to the auxiliary capability information, and the auxiliary device is used to assist the side link SL communication.
  • the auxiliary capability information is used to indicate that the SCI sending device supports auxiliary SL communication or does not support auxiliary SL communication. If the auxiliary capability information indicates that the SCI sending device supports auxiliary SL communication, it indicates that the SCI sending device has auxiliary SL communication. If the auxiliary capability information indicates that the SCI sending device does not support auxiliary SL communication, it indicates that the SCI sending device does not have the auxiliary SL communication capability.
  • the auxiliary capability information indicates that the sending device of the SCI supports auxiliary SL communication
  • the sending device of the SCI is an auxiliary device for assisting its own SL communication.
  • the control information is received, and the control information includes the auxiliary capability information; the auxiliary device is determined according to the auxiliary capability information, and the auxiliary device is used for auxiliary side link SL communication, which can reduce the collision problem and improve the auxiliary communication system. transmission reliability.
  • FIG. 3 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application. As shown in FIG. 3 , the method includes:
  • Step 201 The first device receives the SCI of the second device, the SCI includes auxiliary capability information, the SCI is first-order side link control information ( 1st stage SCI), and the 1st stage SCI may have the first format.
  • each step is performed by the first device.
  • the first device is the receiving device of the SCI
  • the second device is the sending device of the SCI.
  • the first device is always detecting the SCI sent by the second device except when the data is sent, so that the first device can acquire the SCI of the second device in real time.
  • the first device may also receive the SCI sent by the second device in other manners, and the embodiment of the present application does not limit the receiving manner of the SCI.
  • the auxiliary capability information includes one of a zone identification code (Zone ID), a source identification code (Source ID), and indication information, or any combination thereof.
  • the indication information is used to indicate the device capability of assisting SL communication; the Zone ID is used to indicate the location of other devices; the Source ID is used to indicate other devices.
  • the first format is format 1-A
  • the first-order side link control information (SCI format 1-A) with the first format is shown in Table 1.
  • the SCI format 1-A includes a priority indication field (Priority) with a size of 3 bits (bits); a frequency domain resource indication field (Frequency resource assignment); a time domain resource indication field (Time resource assignment) with a size of 5 bits; Resource reservation period indicating field (Resource reservation period), the size is bits, where N rsv_period is the number of possible values of the resource reservation period; the demodulation reference signal information indication field (DMRS pattern) has a size of bits, where N pattern is the total number of optional DMRS patterns; the second-order side link control information format field (2nd-stage SCI format), with a size of 2 bits, can indicate up to 4 formats (format); parameter indication field (Beta_offset indicator), the size is 2bits; the demodulation reference signal port number field (Number of DMRS port), the size is 1bits; the modulation and coding strategy field (Modulation and coding scheme), the size is 5bits; additional modulation and coding strategy table indication (Addition)
  • the first information is symbol 1 or bit value 1, which is used to indicate that the device capability of auxiliary SL communication is to support auxiliary SL communication
  • the second information is symbol 0 or bit value 0, which is used to indicate that the device capability of auxiliary SL communication is not capable of supporting auxiliary SL communication.
  • Auxiliary SL communication is supported.
  • 2nd-stage SCI format When the field value of 2nd-stage SCI format is 00, it means that the 2nd-stage SCI format is SCI format 2-A; when the field value of 2nd-stage SCI format is 01, it means that the 2nd-stage SCI format is SCI format 2- B; When the field value of the 2nd-stage SCI format is 10, it means that the 2nd-stage SCI format is a reserved bit (Reserved), which can be set according to the actual situation; when the field value of the 2nd-stage SCI format is 11, it means that the 2nd-stage SCI format is reserved. -stage SCI format is Reserved, which can be set according to the actual situation.
  • Step 202 The first device determines whether the indication information is the first information, if yes, executes step 203; if not, executes step 201.
  • the first device is a receiving device of the SCI.
  • the first information may be set according to the actual situation.
  • the first information is symbol 1 or bit value 1, it indicates that the sending device of SCI supports auxiliary SL communication, and proceeds to step 203; the second information is symbol 0 or bit value 0, indicating that the sending device of SCI If auxiliary SL communication is not supported, go to step 201.
  • Step 203 The first device determines the second device as an auxiliary device for assisting its own SL communication. .
  • the first device is an SCI receiving device
  • the second device is an SCI sending device
  • the first device determines the second device as an auxiliary device. If there are multiple second devices supporting auxiliary SL communication, all of the multiple second devices supporting auxiliary SL communication are determined as auxiliary devices.
  • Step 204 The first device sends an SL communication assistance request to the auxiliary device.
  • the first device sends an SL communication assistance request to the auxiliary device, so as to request the auxiliary device to provide auxiliary information for the first device.
  • control information is received, and the control information includes auxiliary capability information; auxiliary equipment is determined according to the auxiliary capability information, and the auxiliary equipment is used for auxiliary side link SL communication, which can reduce collisions problem and improve the transmission reliability of the auxiliary communication system.
  • FIG. 4 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application. As shown in FIG. 4 , the method includes:
  • Step 301 The first device receives the SCI of the second device, the SCI includes auxiliary capability information, the SCI is a 1 st stage SCI, and the format of the 1 st stage SCI is predefined.
  • each step is performed by the first device.
  • the first device is the receiving device of the SCI
  • the second device is the sending device of the SCI.
  • the format of the 1 st stage SCI is a defined new format.
  • the first device is always detecting the SCI sent by the second device except when the data is sent, so that the first device can acquire the SCI of the second device in real time.
  • the first device may also receive the SCI sent by the second device in other manners, and the embodiment of the present application does not limit the receiving manner of the SCI.
  • the auxiliary capability information includes one or any combination of Zone ID, Source ID, and indication information, and the indication information is used to indicate the device capability of the auxiliary SL communication; the Zone ID is used to indicate the location of other devices; the Source ID Used to indicate other devices.
  • the first-order side link control information (New 1 st stage SCI format) having a defined new format includes a Zone ID field and/or a Source ID field.
  • the Zone ID field includes the Zone ID; the Source ID field includes the Source ID.
  • the Zone ID can also be used to indicate the device capability of the auxiliary SL communication.
  • the auxiliary device is determined to be the SCI.
  • the auxiliary device is not the sending device of the SCI.
  • Step 302 The first device determines the distance between itself and the sending device of the SCI according to its own location and Zone ID.
  • the first device may calculate the longitude position and latitude position of the second device by using the following formula to generate a Zone ID.
  • the second device is the sending device of the SCI.
  • the location and the Zone ID of the first device itself may be calculated by various methods to generate the distance between the first device and the sending device of the SCI, which is not limited in the embodiment of the present application.
  • the position and the Zone ID of the first device itself are calculated by the PostGIS algorithm to generate the distance between the first device and the sending device of the SCI.
  • Step 303 The first device judges whether the distance between itself and the sending device of the SCI is less than or equal to the first threshold, if so, go to step 304; if not, go to step 301.
  • the first threshold is Communication range requirement.
  • Communication range requirement can be configured by Radio Resource Control (RRC) parameters, indicating that good transmission can be maintained between UEs.
  • RRC Radio Resource Control
  • the Communication range requirement is 20 meters, 50 meters, 80 meters, 100 meters, 120 meters, 150 meters, 180 meters, 200 meters, 220 meters, 250 meters, 270 meters, 300 meters , 350m, 370m, 400m, 420m, 450m, 480m, 500m, 550m, 600m, 700m or 1000m.
  • the distance between itself and the sending device of the SCI is less than or equal to the first threshold, it indicates that the distance between itself and the sending device of the SCI meets the communication range requirement that can maintain good transmission, and proceed to step 304; If the distance between itself and the SCI sending device is greater than the first threshold, it indicates that the distance between itself and the SCI sending device cannot maintain good transmission, and the SCI sending device is not suitable as an auxiliary device of the first device, and the steps are continued. 301.
  • Step 304 The first device determines that the sending device of the SCI is an auxiliary device for assisting its own SL communication.
  • the SCI sending device if the location of the SCI sending device can maintain good transmission with the first device, the SCI sending device is determined as an auxiliary device. If the positions of the sending devices of multiple SCIs can maintain good transmission with the first device, the sending devices of the multiple SCIs are all determined as auxiliary devices.
  • Step 305 The first device sends an SL communication assistance request to the auxiliary device.
  • the first device sends an SL communication assistance request to the auxiliary device, so as to request the auxiliary device to provide auxiliary information for the first device.
  • control information is received, and the control information includes auxiliary capability information; auxiliary equipment is determined according to the auxiliary capability information, and the auxiliary equipment is used for auxiliary side link SL communication, which can reduce collisions problem and improve the transmission reliability of the auxiliary communication system.
  • FIG. 5 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application. As shown in FIG. 5 , the method includes:
  • Step 401 The first device receives the SCI of the second device, the SCI includes auxiliary capability information, the SCI is second-order side link control information (2 nd stage SCI), and the 2 nd stage SCI may have a second format.
  • each step is performed by the first device.
  • the first device is the receiving device of the SCI
  • the second device is the sending device of the SCI.
  • the first device is always detecting the SCI sent by the second device except when the data is sent, so that the first device can acquire the SCI of the second device in real time.
  • the first device may also receive the SCI sent by the second device in other manners, and the embodiment of the present application does not limit the receiving manner of the SCI.
  • the auxiliary capability information includes one of a zone identification code (Zone ID), a source identification code (Source ID), and indication information, or any combination thereof.
  • the indication information is used to indicate the device capability of the auxiliary SL communication;
  • the Zone ID is used to indicate the location of the sending device of the SCI;
  • the Source ID is used to indicate the sending device of the SCI.
  • the second format is format 2-A
  • the second-order side link control information (SCI format 2-A) with the second format is shown in Table 3.
  • SCI format 2-A includes: hybrid automatic repeat request process number field (HARQ process number), the size is bits, where N process is the total number of HARQ processes; the new data indicator field (New data indicator), the size is 1 bit; the redundancy version (Redundancy version), the size is 2 bits; the source identification code field (Source ID), used to indicate the source Identification code, the size is 8bits; the destination identification code field (Destination ID), the Destination ID field includes the Destination ID, the Destination ID is used to indicate the device capability of the auxiliary SL communication, the size is 16bits; the hybrid automatic repeat request feedback indication (HARQ feedback enabled /disabled indicator), the size is 1bit; the transmission type indicator (Cast type indicator), the transmission type indicator includes: unicast (unicast), multicast (groupcast) and broadcast (Broadcast), the size is 2 bits; channel state information request (CSI) request), the size is 2bits.
  • HARQ process number the size is bits, where N process is the total number of HAR
  • Step 402 The first device determines whether the device capability of the auxiliary SL communication indicated by the Destination ID is that the sending device of the SCI supports the auxiliary SL communication, and if so, executes step 403; if not, executes step 401.
  • step 401 if the device capability of the auxiliary SL communication indicated by the Destination ID is that the sending device of the SCI supports the auxiliary SL communication, it indicates that the sending device of the SCI supports the auxiliary SL communication, and proceeds to step 403; if not, it indicates that the sending device of the SCI supports the auxiliary SL communication If the device does not support auxiliary SL communication and cannot be used as an auxiliary device, step 401 is continued.
  • Step 403 The first device obtains the Zone ID from the Physical Sidelink Shared Channel (Physical Sidelink Shared Channel, PSSCH for short) corresponding to the SCI format 2-A.
  • PSSCH Physical Sidelink Shared Channel
  • the PSSCH is used to carry the Zone ID.
  • the first device may also obtain the Zone ID in other ways, which is not limited in the embodiment of the present application.
  • the first device can calculate the longitude position and latitude position of the sending device of the SCI by using the following formula to generate the Zone ID.
  • Step 404 The first device determines the distance between itself and the sending device of the SCI according to its own location and Zone ID.
  • step 404 is the same as step 302, and details are not repeated here.
  • Step 405 The first device determines whether the distance between itself and the sending device of the SCI is less than or equal to the second threshold, if so, go to Step 406; if not, go to Step 401.
  • the second threshold is Communication range requirement.
  • Communication range requirement can be configured by Radio Resource Control (RRC) parameters, indicating that good transmission can be maintained between UEs.
  • RRC Radio Resource Control
  • the Communication range requirement is 20 meters, 50 meters, 80 meters, 100 meters, 120 meters, 150 meters, 180 meters, 200 meters, 220 meters, 250 meters, 270 meters, 300 meters , 350m, 370m, 400m, 420m, 450m, 480m, 500m, 550m, 600m, 700m or 1000m.
  • the distance between itself and the sending device of the SCI is less than or equal to the second threshold, it indicates that the distance between itself and the sending device of the SCI meets the communication range requirement that can maintain good transmission, and proceeds to step 406; If the distance between itself and the SCI sending device is greater than the second threshold, it indicates that the distance between itself and the SCI sending device cannot maintain good transmission, and the SCI sending device is not suitable as an auxiliary device of the first device, and the steps are continued. 401.
  • Step 406 The first device determines that the sending device of the SCI is an auxiliary device for assisting its own SL communication.
  • step 406 is the same as step 304, and details are not repeated here.
  • Step 407 The first device sends an SL communication assistance request to the auxiliary device.
  • the first device sends a request for auxiliary information to the auxiliary device identified by the Destination ID, so as to request the auxiliary device to provide auxiliary information for the first device.
  • the control information includes auxiliary capability information; the auxiliary equipment is determined according to the auxiliary capability information, and the auxiliary equipment is used for auxiliary side link SL communication, which can reduce the collision problem , to improve the transmission reliability of the auxiliary communication system.
  • FIG. 6 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application. As shown in FIG. 6 , the method includes:
  • Step 501 The first device receives the SCI of the second device, the SCI includes auxiliary capability information, the SCI is a 2 nd stage SCI, and the 2 nd stage SCI has a third format.
  • each step is performed by the first device.
  • the first device is the receiving device of the SCI
  • the second device is the sending device of the SCI.
  • the first device is always detecting the SCI sent by the second device except when the data is sent, so that the first device can acquire the SCI of the second device in real time.
  • the first device may also receive the SCI sent by the second device in other manners, and the embodiment of the present application does not limit the receiving manner of the SCI.
  • the auxiliary capability information includes one or any combination of Zone ID, Source ID and indication information, and the indication information is used to indicate the device capability of auxiliary SL communication; Zone ID is used to indicate the location of the sending device of the SCI; Source ID is used to indicate the sending device of the SCI.
  • the third format is format 2-B
  • the second-order side link control information (SCI format 2-B) with the third format is shown in Table 4.
  • SCI format 2-B includes: hybrid automatic repeat request process number field (HARQ process number), the size is bits, where N process is the total number of HARQ processes; the new data indicator field (New data indicator), the size is 1 bit; the redundancy version (Redundancy version), the size is 2 bits; the source identification code field (Source ID), used to indicate the source Identification code, the size is 8bits; the destination identification code field (Destination ID), the Destination ID field includes the Destination ID, the Destination ID is used to indicate the device capability of the auxiliary SL communication, the size is 16bits; the hybrid automatic repeat request feedback indication (HARQ feedback enabled /disabled indicator), the size is 1bit; the zone ID field, the Zone ID field includes the Zone ID, the Zone ID is used to indicate the zone identification code, and the size is 12bits; the communication range requirement, the size is 4bits.
  • HARQ process number the size is bits, where N process is the total number of HARQ processes
  • the new data indicator field (New data indicator), the
  • Step 502 The first device determines the distance between itself and the sending device of the SCI according to its own location and Zone ID.
  • step 502 is the same as step 404, and details are not described herein again.
  • Step 503 the first device judges whether the distance between itself and the sending device of the SCI is less than or equal to the third threshold, if so, go to step 504; if not, go to step 501.
  • the third threshold is Communication range requirement.
  • Communication range requirement can be configured by Radio Resource Control (RRC) parameters, indicating that good transmission can be maintained between UEs.
  • RRC Radio Resource Control
  • the Communication range requirement is 20 meters, 50 meters, 80 meters, 100 meters, 120 meters, 150 meters, 180 meters, 200 meters, 220 meters, 250 meters, 270 meters, 300 meters , 350m, 370m, 400m, 420m, 450m, 480m, 500m, 550m, 600m, 700m or 1000m.
  • the distance between itself and the sending device of the SCI is less than or equal to the third threshold, it indicates that the distance between itself and the sending device of the SCI meets the communication range requirement that can maintain good transmission, and proceeds to step 504; If the distance between itself and the sending device of SCI is greater than the third threshold, it indicates that the distance between itself and the sending device of SCI cannot maintain good transmission, and the device sending SCI is not suitable as an auxiliary device of the first device, and the steps are continued. 501.
  • Step 504 The first device determines that the sending device of the SCI is an auxiliary device for assisting its own SL communication.
  • Step 505 The first device sends an SL communication assistance request to the auxiliary device.
  • steps 504 to 505 are the same as steps 406 to 407 , and details are not repeated here.
  • control information is received, and the control information includes auxiliary capability information; the auxiliary device is determined according to the auxiliary capability information, and the auxiliary device is used for auxiliary side link SL communication, which can reduce collisions problem and improve the transmission reliability of the auxiliary communication system.
  • FIG. 7 is a flowchart of another method for determining an auxiliary device provided by an embodiment of the present application. As shown in FIG. 7 , the method includes:
  • Step 601 The first device receives the SCI of the second device, the SCI includes auxiliary capability information, the SCI is a 2 nd stage SCI, and the format of the 2 nd stage SCI is predefined.
  • each step is performed by the first device.
  • the first device is the receiving device of the SCI
  • the second device is the sending device of the SCI.
  • the format of the 2 st stage SCI is a new format defined.
  • the first device is always detecting the SCI sent by the second device except when the data is sent, so that the first device can acquire the SCI of the second device in real time.
  • the first device may also receive the SCI sent by the second device in other manners, and the embodiment of the present application does not limit the receiving manner of the SCI.
  • the auxiliary capability information includes one of a zone identification code (Zone ID), a source identification code (Source ID), and indication information, or any combination thereof.
  • the indication information is used to indicate the device capability of the auxiliary SL communication; the Zone ID is used to indicate the location of other devices; the Source ID is used to indicate other devices.
  • the second-order side link control information (New 2 nd stage SCI format) having a defined new format includes one of a Zone ID field, a Source ID field, and a Destination ID field, or any combination thereof.
  • the Zone ID field includes the Zone ID;
  • the Source ID field includes the Source ID;
  • the Destination ID field includes the Destination ID.
  • the Zone ID can also be used to indicate the device capability of the auxiliary SL communication.
  • the auxiliary device is determined as The sending device of the SCI; when the device capability of the auxiliary SL communication indicates that the auxiliary SL communication is not supported, the auxiliary device is not the sending device of the SCI.
  • the Destination ID can also be used to indicate the device capability of the auxiliary SL communication. If the device capability of the auxiliary SL communication indicated by the Destination ID is supported by the sending device of the SCI, For auxiliary SL communication, determine that the auxiliary device is the sending device of SCI; if the sending device whose capability of auxiliary SL communication indicated by Destination ID is SCI does not support auxiliary SL communication, the auxiliary device is not the sending device of SCI.
  • Step 602 The first device determines the distance between itself and the sending device of the SCI according to its own location and Zone ID.
  • step 602 is the same as step 302, and details are not repeated here.
  • Step 603 The first device determines whether the distance between itself and the sending device of the SCI is less than or equal to the fourth threshold, if so, go to step 604; if not, go to step 601.
  • the fourth threshold is Communication range requirement.
  • Communication range requirement can be configured by Radio Resource Control (RRC) parameters, indicating that good transmission can be maintained between UEs.
  • RRC Radio Resource Control
  • the Communication range requirement is 20 meters, 50 meters, 80 meters, 100 meters, 120 meters, 150 meters, 180 meters, 200 meters, 220 meters, 250 meters, 270 meters, 300 meters , 350m, 370m, 400m, 420m, 450m, 480m, 500m, 550m, 600m, 700m or 1000m.
  • the distance between itself and the sending device of the SCI is less than or equal to the fourth threshold, it indicates that the distance between itself and the sending device of the SCI meets the communication range requirement that can maintain good transmission, and proceeds to step 604; If the distance between itself and the sending device of the SCI is greater than the fourth threshold, it indicates that the distance between itself and the sending device of the SCI cannot maintain good transmission, and the device sending the SCI is not suitable as an auxiliary device of the first device, and the steps are continued. 601.
  • Step 604 The first device determines that the sending device of the SCI is an auxiliary device for assisting its own SL communication.
  • Step 605 The first device sends an SL communication assistance request to the auxiliary device.
  • Steps 604 to 605 in this embodiment of the present application are the same as steps 304 to 305, and details are not repeated here.
  • control information is received, and the control information includes auxiliary capability information; the auxiliary device is determined according to the auxiliary capability information, and the auxiliary device is used for auxiliary side link SL communication, which can reduce collisions problem and improve the transmission reliability of the auxiliary communication system.
  • FIG. 8 is a schematic structural diagram of an apparatus for determining an auxiliary device provided by an embodiment of the present application.
  • the apparatus is used to execute the above-mentioned method for determining an auxiliary device.
  • the apparatus includes: a receiving unit 11 and a determining unit 12 .
  • the receiving unit 11 is configured to receive control information, where the control information includes auxiliary capability information.
  • the detection unit 11 may be a chip, a chip module or a part of a chip module.
  • the determining unit 12 is configured to determine an auxiliary device according to the auxiliary capability information, and the auxiliary device is used to assist the side link SL communication.
  • the determining unit 12 may be: a chip, a chip module or a part of a chip module.
  • the determining unit 12 is specifically configured to determine, according to the auxiliary capability information, that the sending device of the control information is an auxiliary device used to assist its own SL communication.
  • the apparatus further includes: a sending unit 13 .
  • the sending unit 13 is specifically configured to send the SL communication assistance request to the auxiliary device.
  • the determining unit 12 is specifically configured to determine the distance between itself and the sending device of the control information according to its own location and the area identification code; if the distance between itself and the sending device is less than or equal to the first threshold , and determine that the sending device of the control information is an auxiliary device for assisting its own SL communication.
  • the determining unit 12 is specifically configured to determine the distance between itself and the sending device of the control information if the device capability of the auxiliary SL communication is used to indicate that the sending device of the control information supports the auxiliary SL communication; The distance between the sending devices is less than or equal to the second threshold, and it is determined that the sending device of the control information is an auxiliary device for assisting its own SL communication.
  • the determining unit 12 is further configured to determine the distance between itself and the sending device of the control information according to its own location and the area identification code, wherein the area identification code is obtained from the physical side link shared channel PSSCH received above.
  • the determining unit 12 is specifically configured to determine the distance between itself and the sending device of the control information if the device capability of the auxiliary SL communication is used to indicate that the sending device of the control information supports the auxiliary SL communication; The distance between the sending devices is less than or equal to the third threshold, and it is determined that the sending device of the control information is an auxiliary device for assisting its own SL communication.
  • control information is received, and the control information includes auxiliary capability information; auxiliary equipment is determined according to the auxiliary capability information, and the auxiliary equipment is used for auxiliary side link SL communication, which can reduce the collision problem and improve the transmission reliability of the auxiliary communication system. sex.
  • An embodiment of the present application provides a storage medium, where the storage medium includes a stored program, wherein, when the program is run, the device where the storage medium is located is controlled to execute the steps of the above-mentioned embodiments of the method for determining an auxiliary device.
  • the storage medium includes a stored program
  • the device where the storage medium is located is controlled to execute the steps of the above-mentioned embodiments of the method for determining an auxiliary device.
  • the above-mentioned auxiliary device An example of a method for determining .
  • An embodiment of the present application provides an electronic device, including a memory and a processor, where the memory is used to store information including program instructions, the processor is used to control the execution of the program instructions, and when the program instructions are loaded and executed by the processor, the above-mentioned auxiliary equipment is implemented.
  • the memory is used to store information including program instructions
  • the processor is used to control the execution of the program instructions
  • the above-mentioned auxiliary equipment is implemented.
  • FIG. 9 is a schematic diagram of an electronic device according to an embodiment of the present application.
  • the electronic device 30 of this embodiment includes: a processor 31 , a memory 32 , and a computer program 33 stored in the memory 32 and executable on the processor 31 , when the computer program 33 is executed by the processor 31
  • the determination method applied to the auxiliary device in the embodiment is implemented, and in order to avoid repetition, details are not described here one by one.
  • the computer program is executed by the processor 31, the functions of each model/unit in the apparatus for determining the auxiliary device in the embodiment are implemented. To avoid repetition, details are not repeated here.
  • the electronic device 30 includes, but is not limited to, a processor 31 and a memory 32 .
  • FIG. 9 is only an example of the electronic device 30, and does not constitute a limitation to the electronic device 30, and may include more or less components than the one shown, or combine some components, or different components
  • the electronic device may also include an input and output device, a network access device, a bus, and the like.
  • the so-called processor 31 may be a central processing unit (Central Processing Unit, CPU), or other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), application specific integrated circuits (Application specific Integrated Circuit, ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the memory 32 may be an internal storage unit of the electronic device 30 , such as a hard disk or a memory of the electronic device 30 .
  • the memory 32 can also be an external storage device of the electronic device 30, such as a plug-in hard disk, a smart storage (Smart Media, SM) card, a Secure Digital (SD) card, a flash memory card (Flash Card) equipped on the electronic device 30 )Wait.
  • the memory 32 may also include both an internal storage unit of the electronic device 30 and an external storage device.
  • the memory 32 is used to store computer programs and other programs and data required by the electronic device.
  • the memory 32 may also be used to temporarily store data that has been or will be output.
  • Each device and product described in the above embodiments includes modules/units, which may be software modules/units or hardware modules/units, or may be partly software modules/units and partly hardware modules/units.
  • each module/unit included in the product may be implemented by hardware such as circuits, or at least some modules/units may be implemented by software programs, which run on the integrated processing inside the chip.
  • the remaining (if any) part of the modules/units can be implemented by hardware such as circuits; for each device and product corresponding to or integrated with the chip module, the modules/units contained therein can be implemented by hardware such as circuits.
  • modules/units can be located in the same piece (such as chip, circuit module, etc.) or different components of the chip module, and at least some/units can be implemented by a software program that runs on the integrated processor inside the chip module
  • the remaining (if any) modules/units can be implemented by hardware such as circuits; for each device or product applied to or integrated in the terminal, the modules/units contained therein can be implemented by hardware such as circuits.
  • the unit may be located in the same component (for example, chip, circuit module, etc.) or different components in the terminal, or at least some of the modules/units may be implemented in the form of a software program that runs on the processor integrated inside the terminal, and the rest (if Yes)
  • Some modules/units can be implemented by hardware such as circuits.

Landscapes

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

Abstract

Selon certains modes de réalisation, la présente invention concerne un procédé et un appareil de détermination de dispositif d'assistance, un dispositif électronique et un support de stockage. La solution technique fournie dans les modes de réalisation de la présente invention consiste : à recevoir des informations de commande, les informations de commande comprenant des informations de capacité d'assistance; et à déterminer un dispositif d'assistance selon les informations de capacité d'assistance, le dispositif d'assistance étant conçu pour aider à une communication de liaison latérale (SL). La présente invention permet de réduire les problèmes de collision et d'améliorer la fiabilité de transmission d'un système de communication d'assistance.
PCT/CN2021/139571 2021-01-27 2021-12-20 Procédé et appareil de détermination de dispositif d'assistance, dispositif électronique et support de stockage WO2022161018A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110112469.4A CN114827957A (zh) 2021-01-27 2021-01-27 一种辅助设备的确定方法、装置、电子设备和存储介质
CN202110112469.4 2021-01-27

Publications (1)

Publication Number Publication Date
WO2022161018A1 true WO2022161018A1 (fr) 2022-08-04

Family

ID=82524389

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/139571 WO2022161018A1 (fr) 2021-01-27 2021-12-20 Procédé et appareil de détermination de dispositif d'assistance, dispositif électronique et support de stockage

Country Status (2)

Country Link
CN (1) CN114827957A (fr)
WO (1) WO2022161018A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110831129A (zh) * 2018-08-14 2020-02-21 维沃移动通信有限公司 一种测量指示方法、设备及系统
US20200178216A1 (en) * 2017-08-11 2020-06-04 Zte Corporation Systems and methods for adapting parameters in sidelink communications
US20200314612A1 (en) * 2019-03-26 2020-10-01 Samsung Electronics Co., Ltd. Apparatus and method for assisting sidelink resource configuration and allocation for direct communication in wireless communication system
CN111918401A (zh) * 2019-05-10 2020-11-10 华硕电脑股份有限公司 报告侧链路承载配置的用户设备能力信息的方法和设备
US20200374891A1 (en) * 2018-02-13 2020-11-26 Huawei Technologies Duesseldorf Gmbh Devices and methods for multi-antenna sidelink scheduling
US20210168764A1 (en) * 2018-08-07 2021-06-03 Huawei Technologies Co., Ltd. Resource Configuration Method for Sidelink Information, Communication Device, and Network Device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200178216A1 (en) * 2017-08-11 2020-06-04 Zte Corporation Systems and methods for adapting parameters in sidelink communications
US20200374891A1 (en) * 2018-02-13 2020-11-26 Huawei Technologies Duesseldorf Gmbh Devices and methods for multi-antenna sidelink scheduling
US20210168764A1 (en) * 2018-08-07 2021-06-03 Huawei Technologies Co., Ltd. Resource Configuration Method for Sidelink Information, Communication Device, and Network Device
CN110831129A (zh) * 2018-08-14 2020-02-21 维沃移动通信有限公司 一种测量指示方法、设备及系统
US20200314612A1 (en) * 2019-03-26 2020-10-01 Samsung Electronics Co., Ltd. Apparatus and method for assisting sidelink resource configuration and allocation for direct communication in wireless communication system
CN111918401A (zh) * 2019-05-10 2020-11-10 华硕电脑股份有限公司 报告侧链路承载配置的用户设备能力信息的方法和设备

Also Published As

Publication number Publication date
CN114827957A (zh) 2022-07-29

Similar Documents

Publication Publication Date Title
CN110035550B (zh) 上行控制信息传输方法和通信装置
US20170280421A1 (en) Wireless Multicast Communication
JP2020519036A (ja) 無線通信に用いられる電子装置及び方法
US20180035477A1 (en) Handling of proximity services device to device related identities at radio access network level
US11818716B2 (en) User equipment assistance for resource selection in new radio vehicle to everything
US20130124937A1 (en) Method and apparatus for transmitting data in device-to-device service system
WO2022152108A1 (fr) Procédé d'envoi d'informations collaboratives, procédé de détermination de ressources, nœud de communication et support de stockage
WO2021208856A1 (fr) Procédé de réception de signal de référence de positionnement et équipement utilisateur
JP2013162519A (ja) 無線通信システムにおけるデータ送信方法及び装置
US11950233B2 (en) Efficient techniques for resource selection assistance reporting for NR Rel-17 sidelink
CN107079454B (zh) 用于多信道操作的发射机和接收机
CN105337705A (zh) 数据发送反馈、数据发送方法及装置
US20220124726A1 (en) Method, apparatus, device, and system for determining sidelink feedback channel, and storage medium
WO2022161018A1 (fr) Procédé et appareil de détermination de dispositif d'assistance, dispositif électronique et support de stockage
WO2015035588A1 (fr) Procédé d'obtention d'informations, terminal, station de base, et système
CN115001633B (zh) 一种通信方法和装置
US11212805B2 (en) Terminal mode obtaining method and apparatus, and device
WO2020088135A1 (fr) Procédé de traitement d'informations et terminal
WO2022151422A1 (fr) Procédé de communication et appareil de communication
EP4258775A1 (fr) Procédé, appareil et système de communication
CN113038414B (zh) 数据传输方法及装置
CN114747270A (zh) 一种侧行数据传输的方法、装置和系统
TW202013995A (zh) 回饋訊息的方法、終端、晶片和存儲媒介
US20110158163A1 (en) Energy efficient integrated routing protocol
CN106900076B (zh) 一种随机接入参数的更新方法及相关设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21922608

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21922608

Country of ref document: EP

Kind code of ref document: A1