WO2022183980A1 - Procédé de traitement de rapport sl csi, appareil et dispositif - Google Patents

Procédé de traitement de rapport sl csi, appareil et dispositif Download PDF

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Publication number
WO2022183980A1
WO2022183980A1 PCT/CN2022/077927 CN2022077927W WO2022183980A1 WO 2022183980 A1 WO2022183980 A1 WO 2022183980A1 CN 2022077927 W CN2022077927 W CN 2022077927W WO 2022183980 A1 WO2022183980 A1 WO 2022183980A1
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Prior art keywords
drx
csi report
condition
csi
resource
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PCT/CN2022/077927
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English (en)
Chinese (zh)
Inventor
郑倩
杨晓东
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维沃移动通信有限公司
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Publication of WO2022183980A1 publication Critical patent/WO2022183980A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • 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
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application belongs to the field of communication technologies, and specifically relates to a method, apparatus and device for processing an SL CSI report.
  • the secondary link discontinuous reception (SL Discontinuous Reception, SL DRX) mechanism will be introduced.
  • SL DRX secondary link discontinuous reception
  • CSI Channel State Information
  • the purpose of the embodiments of the present application is to provide a method, apparatus and device for processing an SL CSI report, which can solve the problem that an SL CSI report will be sent with additional delay when there is an SL DRX mechanism.
  • an embodiment of the present application provides a method for processing an SL CSI report, the method is executed by a terminal, and the method includes:
  • the SL SCI is received from the opposite terminal, and the SL SCI is used to trigger the SL CSI report of the terminal;
  • the DRX parameter configuration of the terminal is the first DRX parameter configuration
  • the DRX parameter configuration of the opposite terminal is the second DRX parameter configuration parameter configuration
  • the first DRX parameter configuration is different from the second DRX parameter configuration
  • the first DRX parameter configuration and the second DRX parameter configuration are both common DRX parameter configurations.
  • an embodiment of the present application provides an apparatus for processing an SL CSI report, the apparatus is applied to a terminal, and the apparatus includes:
  • a receiving module for receiving the SL SCI from the opposite terminal when the terminal is a receiving terminal, and the SL SCI is used to trigger the SL CSI report of the terminal;
  • a startup module for starting the SL CSI report timer according to the SL SCI
  • a processing module configured to execute a processing operation corresponding to the preset condition when the preset condition is satisfied
  • the DRX parameter configuration of the terminal is the first DRX parameter configuration
  • the DRX parameter configuration of the opposite terminal is the second DRX parameter configuration
  • the first DRX parameter configuration is different from the second DRX parameter configuration, or both the first DRX parameter configuration and the second DRX parameter configuration are common DRX parameter configurations.
  • an embodiment of the present application provides a terminal, including: a processor, a memory, and a program stored on the memory and executable on the processor, where the program implements the following when executed by the processor The steps of the method of the first aspect.
  • an embodiment of the present application provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
  • an embodiment of the present application provides a program product, the program product is stored in a non-volatile storage medium, and the program product is executed by at least one processor to implement the method according to the first aspect. step.
  • an embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the first aspect the method described.
  • the sender when the sender triggers the SL CSI report of the receiver through the SL SCI, the corresponding processing operation is performed based on the satisfied preset conditions, and the SL CSI report is further specified under the SL DRX mechanism, thereby Reduce the sending of unnecessary SL CSI reports and save SL radio resources.
  • Figure 1a is a schematic diagram of the LTE sidelink system architecture
  • Figure 1b is a schematic diagram of the DRX mechanism
  • Figure 1c is a schematic diagram of the existing SL CSI reporting process
  • FIG. 2 is a schematic flowchart of a method for processing an SL CSI report provided by an embodiment of the present application
  • FIG. 3a is one of schematic diagrams of application scenarios provided by an embodiment of the present application.
  • FIG. 3b is the second schematic diagram of the application scenario provided by the embodiment of the application.
  • FIG. 4a is a third schematic diagram of an application scenario provided by an embodiment of the present application.
  • FIG. 4b is a fourth schematic diagram of an application scenario provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of an apparatus for processing an SL CSI report provided by an embodiment of the present application
  • FIG. 6 is one of schematic structural diagrams of a terminal provided by an embodiment of the present application.
  • FIG. 7 is a second schematic structural diagram of a terminal according to an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation , 6G) communication system.
  • 6th generation 6th Generation
  • a terminal may also be referred to as a terminal device or a user terminal (User Equipment, UE), and the terminal may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, Personal Digital Assistant (PDA), PDA, Netbook, Ultra-Mobile Personal Computer (UMPC), Mobile Internet Device (MID), Wearable Device or Vehicle User Equipment (VUE), Pedestrian User Equipment (PUE) and other terminal-side equipment, wearable devices include: bracelets, headphones, glasses, etc.
  • PDA Personal Digital Assistant
  • PDA PDA
  • Netbook Ultra-Mobile Personal Computer
  • MID Mobile Internet Device
  • VUE Vehicle User Equipment
  • PUE Pedestrian User Equipment
  • wearable devices include: bracelets, headphones, glasses, etc.
  • the Long Term Evolution (Long Term Evolution, LTE) system supports a side link (sidelink, or translated as a side link, side link, etc.) Direct data transfer via network equipment.
  • LTE Long Term Evolution
  • LTE sidelink is suitable for specific public safety affairs (such as emergency communication in fire sites or disaster sites such as earthquakes), or vehicle to everything (V2X) communication.
  • Vehicle networking communication includes various services, such as basic safety communication, advanced (autonomous) driving, formation, sensor expansion, and so on. Since LTE sidelink only supports broadcast communication, it is mainly used for basic security communication. Other advanced V2X services with strict Quality of Service (QoS) requirements in terms of delay and reliability will be supported by 5G NR sidelink.
  • QoS Quality of Service
  • the current sidelink transmission is mainly divided into several transmission forms: broadcast (broadcast), multicast (groupcast), and unicast (unicast).
  • Unicast is one-to-one transmission.
  • Multicast is a one-to-many (one-to-many) transmission.
  • Broadcasting is also a one to many transmission, but broadcasting does not have the concept that UEs belong to the same group.
  • HARQ Hybrid Automatic Repeat reQuest
  • Base station scheduling mode (mode 1): The base station (Base Station, BS) schedules the SL resources that the UE uses for SL transmission (BS schedules SL resource(s) to be used by UE for SL transmission(s)), that is, by the network
  • the side device (base station) controls and allocates resources to each UE.
  • UE autonomous mode (mode 2): UE determines (that is, BS does not schedule) SL transmission resources or pre-configured SL resources in SL resources configured by BS or network (UE determines, i.e. BS does not schedule, SL transmission resource (s)within SL resources configured by BS/network or pre-configured SL resources), that is, each UE independently selects resources.
  • Both LTE and NR have introduced a DRX mechanism, which saves UE power by configuring the DRX on (DRX on) and DRX off (DRX off) times.
  • the on duration is the DRX on interval. If the on duration is not scheduled, the UE will enter the off period of a DRX cycle (DRX cycle).
  • parameters such as onDurationTimer, drx-InactivityTimer, drx-RetransmissionTimer, and longDRX-CycleStartOffset are configured.
  • the UE After the UE is configured with DRX, if the decoding of the transmitted or received data fails, the UE needs to enter the active time to monitor the control channel and wait for the retransmission scheduled by the network.
  • the timer drx-InactivityTimer is started or restarted whenever the UE is scheduled to initially transmit data, and the UE will remain in the active state until the timer expires.
  • the UE For downlink data reception, after receiving the downlink data transmission indicated by the PDCCH and feeding back the HARQ information, the UE will start the downlink backhaul timer round-trip delay (HARQ Round Trip Time Timer, HARQ RTT Timer) for the corresponding HARQ process. If the data of the HARQ process is not successfully decoded after the HARQ RTT Timer times out, the UE starts the retransmission timer (drx-RetransmissionTimer), monitors the Physical Downlink Control Channel (PDCCH), and waits for transmission.
  • HARQ Round Trip Time Timer HARQ Round Trip Time Timer
  • HARQ RTT Timer HARQ Round Trip Time Timer
  • the UE starts the retransmission timer (drx-RetransmissionTimer), monitors the Physical Downlink Control Channel (PDCCH), and waits for transmission.
  • drx-RetransmissionTimer monitors the Physical Downlink Control Channel (PDCCH)
  • the UE For uplink data transmission, the UE will start the uplink backhaul timer HARQ RTT Timer for the corresponding HARQ process after receiving the PDCCH indicating uplink data transmission. After the HARQ RTT Timer times out, the UE starts the retransmission timer (drx-ULRetransmissionTimer), enters the active state to monitor the PDCCH, and waits for the transmission scheduled by the network.
  • drx-ULRetransmissionTimer the retransmission timer
  • the process includes:
  • the transmitting end (TX UE) configures the receiving end (RX UE) with the SL CSI-RS reference signal and the upper limit of delay requirement of the SL CSI report through PC5 Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • the TX UE sends data to the RX UE (sent together with the Pysical Sidelink Share Channel (PSSCH)), and the data transmission is always accompanied by the transmission of the SL CSI-RS reference signal.
  • the RX UE measures the received SL CSI-RS reference signal.
  • the TX UE triggers the SL CSI report of the RX UE through the sidelink control information (SL SCI), and the RX UE starts the SL CSI report timer (the timer duration is the upper limit of the delay in step (1)) Require).
  • the RX UE sends the SL CSI report to the TX, and if the SL CSI report timer times out, the triggered SL CSI report is cancelled.
  • an embodiment of the present application provides a method for processing an SL CSI report.
  • the method is executed by a terminal, and the method includes:
  • Step 201 when the terminal is the receiving terminal, receive the SL SCI from the opposite terminal, and the SL SCI is used to trigger the SL CSI report of the terminal;
  • the above-mentioned opposite terminal is the opposite terminal equipment that performs SL communication with the terminal, for example, UE1 and UE2 that perform SL communication, wherein UE1 and UE2 can both serve as transmitters or receivers, that is, the SL communication between UE1 and UE2 includes two directions, In one direction, UE1 is the transmitter and UE2 is the receiver, and in the other direction, UE1 is the receiver and UE2 is the transmitter.
  • the opposite terminal when the terminal is the receiving end, the opposite terminal will trigger the SL CSI report of the receiving end by sending the SL SCI.
  • the opposite terminal will trigger the SL CSI report of the receiving end by sending the SL SCI.
  • Step 202 according to the SL SCI, start the SL CSI report timer;
  • the receiver When the receiver receives the SL SCI, it will start the SL CSI report timer.
  • Step 203 when the preset conditions are met, perform processing operations corresponding to the preset conditions;
  • the preset conditions satisfied by the terminal of the receiving end are used to perform processing operations corresponding to the preset conditions, so as to realize the mechanism of newly defining some SL CSI reports and SR cancellation and/or transmission under SL DRX.
  • the DRX parameter configuration of the terminal is the first DRX parameter configuration
  • the DRX parameter of the opposite end terminal is configured as the second DRX parameter Parameter configuration
  • the first DRX parameter configuration is different from the second DRX parameter configuration, that is, in the two directions of SL communication
  • the DRX parameter configurations of the terminal and the opposite terminal are independent of each other.
  • the first DRX parameter configuration and the second DRX parameter configuration are both common DRX parameter configurations, that is, in the two directions of SL communication
  • the DRX parameter configurations of the terminal and the opposite terminal are shared with each other.
  • the terminal and the opposite terminal have obtained their respective DRX parameter configurations.
  • the above DRX parameter configuration may include parameters such as onDurationTimer, drx-InactivityTimer, drx-RetransmissionTimer, longDRX-CycleStartOffset, etc.
  • the specific content of the DRX parameter configuration is not limited in this embodiment of the present application.
  • the sender when the sender triggers the SL CSI report of the receiver through the SL SCI, the corresponding processing operation is performed based on the satisfied preset conditions, and the SL CSI report is further specified under the SL DRX mechanism, thereby Reduce the sending of unnecessary SL CSI reports and save SL radio resources.
  • satisfying the preset condition includes: satisfying any one of the first condition, the second condition and the third condition;
  • the first condition the duration of the SL CSI report timer spans the DRX on or DRX off boundary of the current DRX cycle, or spans the DRX active time (DRX active time) or DRX inactive time (DRX inactive time) of the current DRX cycle boundary;
  • the first condition is that the duration of the SL CSI report timer is greater than or equal to the duration of the discontinuous reception of the current DRX cycle to start DRX on, and the duration of the SL CSI report timer is less than or equal to the duration of the current DRX cycle;
  • the first condition is that the duration of the SL CSI reporting timer is greater than or equal to the duration of the discontinuous reception activation time DRX active time of the current DRX cycle, and the duration of the SL CSI reporting timer is less than or equal to the duration of the current DRX cycle;
  • the second condition: the SL CSI report timer duration includes the DRX on or DRX active time of the next DRX cycle.
  • the second condition is that the duration of the SL CSI reporting timer is greater than the duration of the current DRX cycle, and includes at least part of the duration of the DRX on of the next DRX cycle;
  • the second condition is that the duration of the SL CSI report timer is greater than the duration of the current DRX cycle, and includes at least part of the duration of the DRX active time of the next DRX cycle;
  • the third condition the SL CSI reporting behavior during DRX off or DRX inactive time configured by the network side or pre-configured by the terminal.
  • 1 bit can be used to indicate the SL CSI reporting behavior, and the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, or the SL CSI reporting behavior is during the DRX off or DRX inactive time. During this period, SL CSI reports are not allowed to continue to be sent.
  • a processing operation corresponding to the preset condition is performed, including at least one of the following:
  • the triggered SR is cancelled;
  • the resource allocation modes of the UE are the base station scheduling mode (hereinafter referred to as mode 1) and the UE autonomous mode (hereinafter referred to as mode 2).
  • the delay requirement information of the SL CSI report or the current remaining delay requirement information is sent to the network side; considering that it is necessary before the base station actually allocates resources, or when the allocated resources are found to be inappropriate, the The auxiliary information is extended so that the base station can allocate appropriate resources. It should be noted that this processing operation can be applied to mode 1.
  • the second condition when the second condition is met, if the time domain of the SR resource triggered by the SL CSI report is within the DRX off or DRX inactive time period, the SR is sent, or the SR is delayed until the DRX on or DRX active time period of the next DRX cycle is closest SR resource to send SR. It should be noted that this processing operation can be applied to mode 1.
  • the resource selection window of the SL CSI report is limited to the DRX on or DRX active time of the next DRX cycle.
  • the resource selection window of the SL CSI report is required to fall within the DRX on or DRX active time period of the next DRX cycle. It should be noted that this processing operation can be applied to mode 2.
  • the terminal sends the SL CSI report;
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, send the delay requirement information of the SL CSI report or the current remaining delay requirement information to the network side;
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is in the DRX off or DRX inactive time period, send the SR , or postpone the SR to the nearest SR resource during the DRX on or DRX active time of the next DRX cycle;
  • the resource selection window for the SL CSI report is required to fall within the DRX on or DRX active time period of the next DRX cycle ;
  • the third condition is met and the SL CSI reporting behavior is such that it is not allowed to continue sending the SL CSI report during the DRX off or DRX inactive time, if the time domain of the sending resource of the SL CSI report is within the DRX off or DRX inactive time period, cancel the trigger SL CSI report;
  • a processing operation corresponding to the preset condition is performed, including at least one of the following:
  • the triggered SR is cancelled;
  • the delay requirement information of the SL CSI report or the current remaining delay requirement information is sent to the network side; considering that it is necessary before the base station actually allocates resources, or when the allocated resources are found to be inappropriate, the The auxiliary information is extended so that the base station can allocate appropriate resources. It should be noted that this processing operation can be applied to mode 1.
  • the second condition when the second condition is met, if the time domain of the SR resource triggered by the SL CSI report is within the DRX off or DRX inactive time period, the SR is sent, or the SR is delayed until the DRX on or DRX active time period of the next DRX cycle is closest SR resource to send SR. It should be noted that this processing operation can be applied to mode 1.
  • the resource selection window of the SL CSI report is limited to the DRX on or DRX active time of the next DRX cycle.
  • the resource selection window of the SL CSI report is required to fall within the DRX on or DRX active time period of the next DRX cycle. It should be noted that this processing operation can be applied to mode 2.
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, send the delay requirement information of the SL CSI report or the current remaining delay requirement information to the network side;
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is in the DRX off or DRX inactive time period, send the SR , or postpone the SR to the nearest SR resource during the DRX on or DRX active time of the next DRX cycle;
  • the resource selection window for the SL CSI report is required to fall within the DRX on or DRX active time period of the next DRX cycle ;
  • the third condition is met and the SL CSI reporting behavior is such that it is not allowed to continue sending the SL CSI report during the DRX off or DRX inactive time, if the time domain of the sending resource of the SL CSI report is within the DRX off or DRX inactive time period, cancel the trigger SL CSI report;
  • the SL CSI reporting behavior is such that it is not allowed to continue sending the SL CSI report during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is in the DRX off or DRX inactive time period, cancel the Triggered SR.
  • UE1 and UE2 in SL unicast communication, in the direction one UE1 is a TX UE, UE2 is a RX UE, in the two directions UE1 is an RX UE, and UE2 is a TX UE,
  • the DRX parameters in the two directions are configured independently.
  • Fig. 3a corresponds to the case where the first condition is satisfied (the SL CSI report timer is shorter at this time)
  • Fig. 3b corresponds to the case where the second condition is satisfied (the SL CSI report timer is longer at this time).
  • Step 1 UE1 triggers the SL CSI report of UE2 through the SL SCI, and UE2 starts the SL CSI report timer at the same time.
  • step 1 UE1 and UE2 have obtained their respective DRX parameter configurations, and the DRX parameter configurations in the two directions are independent.
  • Step 2 According to the DRX in its own direction (direction 1 in the figure), UE2 determines which of the following conditions the duration of the SL CSI report timer meets:
  • Condition 1 The duration of the SL CSI report timer crosses the DRX on/off boundary or the DRX active time/inactive time boundary of the current DRX cycle
  • the SL CSI report timer duration includes the DRX on or DRX active time of the next DRX cycle
  • Condition 3 The network configuration or the terminal pre-configures the SL CSI reporting behavior during the DRX off or DRX inactive time, for example, 1 bit, indicating whether to continue to report the CSI report during the DRX off or DRX inactive time.
  • condition 1 If condition 1 is not met, the existing mechanism is followed.
  • Condition 1 is met, but Condition 2 is not (as shown in Figure 3a), do at least one of the following:
  • Condition 2 is met (as shown in Figure 3b), then at least one of the following is performed:
  • the resource selection window of the SL CSI report is limited to the DRX on or DRX active time of the next DRX cycle (for mode 2).
  • Condition 3 is met (as shown in Figure 3b), then at least one of the following is performed:
  • the relevant UE behavior includes at least one of the following:
  • the sending resource of the SL CSI report falls to DRX off or inactive time, the SL CSI report is still sent (for mode 1 and mode 2);
  • the relevant UE behavior includes at least one of the following:
  • UE1 and UE2 in SL unicast communication, in the direction one UE1 is a TX UE, UE2 is a RX UE, in the two directions UE1 is an RX UE, and UE2 is a TX UE,
  • the DRX parameter configuration in both directions is shared.
  • Fig. 4a corresponds to the situation that satisfies the first condition (the SL CSI report timer duration is shorter at this time)
  • Fig. 4b corresponds to the situation that satisfies the second condition (the SL CSI report timer duration is longer at this time).
  • Step 1 UE1 triggers the SL CSI report of UE2 through the SL SCI, and UE2 starts the SL CSI report timer at the same time.
  • step 1 UE1 and UE2 have obtained their respective DRX parameter configurations, and the DRX parameter configurations in the two directions are independent.
  • Step 2 According to the DRX in its own direction (direction 1 in the figure), UE2 determines which of the following conditions the duration of the SL CSI report timer meets:
  • Condition 1 The duration of the SL CSI report timer crosses the DRX on/off boundary or the DRX active time/inactive time boundary of the current DRX cycle;
  • the SL CSI report timer duration includes the DRX on or DRX active time of the next DRX cycle
  • Condition 3 The network configuration or the terminal pre-configures the SL CSI reporting behavior during the DRX off or DRX inactive time, for example, 1 bit, indicating whether to continue to report the CSI report during the DRX off or DRX inactive time.
  • condition 1 If condition 1 is not met, the existing mechanism is followed.
  • Condition 1 is met, but Condition 2 is not (as shown in Figure 4a), do at least one of the following:
  • Condition 2 is met (as shown in Figure 4b), then at least one of the following is performed:
  • the resource selection window of the SL CSI report is limited to the DRX on or DRX active time of the next DRX cycle (for mode 2).
  • Condition 3 is met (as shown in Figure 3b), then at least one of the following is performed:
  • the relevant UE behavior includes at least one of the following:
  • the relevant UE behavior includes at least one of the following:
  • an embodiment of the present application provides an apparatus 500 for processing an SL CSI report.
  • the apparatus 500 is applied to a terminal, and the apparatus 500 includes:
  • the receiving module 501 is used to receive the SL SCI from the opposite terminal when the terminal is a receiving terminal, and the SL SCI is used to trigger the SL CSI report of the terminal;
  • a start module 502 is used to start the SL CSI report timer according to the SL SCI;
  • a processing module 503 configured to execute a processing operation corresponding to the preset condition when the preset condition is satisfied;
  • the DRX parameter configuration of the terminal is the first DRX parameter configuration
  • the DRX parameter configuration of the opposite terminal is the second DRX parameter configuration
  • the first DRX parameter configuration is different from the second DRX parameter configuration, or both the first DRX parameter configuration and the second DRX parameter configuration are common DRX parameter configurations.
  • the meeting the preset condition includes: meeting any one of the first condition, the second condition and the third condition;
  • the first condition is that the duration of the SL CSI reporting timer is greater than or equal to the duration of the DRX on of the current DRX cycle, and the duration of the SL CSI reporting timer is less than or equal to the duration of the current DRX cycle;
  • the first condition is that the duration of the SL CSI reporting timer is greater than or equal to the duration of the DRX active time of the current DRX cycle, and the duration of the SL CSI reporting timer is less than or equal to the duration of the current DRX cycle;
  • the second condition is that the duration of the SL CSI reporting timer is greater than the duration of the current DRX cycle, and includes at least part of the duration of the DRX on of the next DRX cycle;
  • the second condition is that the duration of the SL CSI reporting timer is greater than the duration of the current DRX cycle, and includes at least part of the duration of the DRX active time of the next DRX cycle;
  • the third condition is the SL CSI reporting behavior during the DRX off or DRX inactive time period configured by the network side or pre-configured by the terminal, and the SL CSI reporting behavior is allowing to continue to send SL CSI during the DRX off or DRX inactive time period report, or, the SL CSI report behavior is that the SL CSI report is not allowed to continue to be sent during the DRX off or DRX inactive time.
  • the first DRX parameter configuration is different from the second DRX parameter configuration
  • the processing module is specifically used for at least one of the following:
  • the resource selection window of the SL CSI report is required to fall within the DRX on or DRX active time period of the next DRX cycle;
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, if the time domain of the sending resource of the SL CSI report is located during the DRX off or DRX inactive time , send the SL CSI report to the opposite terminal;
  • the delay requirement information of the SL CSI report or the current remaining delay requirement is sent to the network side information
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is at the DRX off or DRX inactive time During this period, send SR, or delay to send SR to the nearest SR resource during DRX on or DRX active time of the next DRX cycle;
  • the resource selection window of the SL CSI report is required to fall within the DRX of the next DRX cycle during on or DRX active time;
  • the third condition is satisfied and the SL CSI reporting behavior is that it is not allowed to continue to send the SL CSI report during the DRX off or DRX inactive time, if the time domain of the sending resource of the SL CSI report is located at the DRX off or DRX inactive time During this period, cancel the triggered SL CSI report;
  • the SL CSI reporting behavior is that the SL CSI report is not allowed to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is at DRX off or DRX inactive During the time period, the triggered SR is cancelled.
  • the first DRX parameter configuration and the second DRX parameter configuration are both common DRX parameter configurations
  • the processing module is specifically used for at least one of the following:
  • the resource selection window of the SL CSI report is required to fall within the DRX on or DRX active time period of the next DRX cycle;
  • the delay requirement information of the SL CSI report or the current remaining delay requirement is sent to the network side information
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is at the DRX off or DRX inactive time During this period, send SR, or delay to send SR to the nearest SR resource during DRX on or DRX active time of the next DRX cycle;
  • the resource selection window of the SL CSI report is required to fall within the DRX of the next DRX cycle during on or DRX active time;
  • the third condition is satisfied and the SL CSI reporting behavior is that it is not allowed to continue to send the SL CSI report during the DRX off or DRX inactive time, if the time domain of the sending resource of the SL CSI report is located at the DRX off or DRX inactive time During this period, cancel the triggered SL CSI report;
  • the SL CSI reporting behavior is that the SL CSI report is not allowed to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is at DRX off or DRX inactive During the time period, the triggered SR is cancelled.
  • the sender when the sender triggers the SL CSI report of the receiver through the SL SCI, the corresponding processing operation is performed based on the satisfied preset conditions, and the SL CSI report is further specified under the SL DRX mechanism, thereby Reduce the sending of unnecessary SL CSI reports and save SL radio resources.
  • an embodiment of the present application further provides a terminal 600, including a processor 601, a memory 602, a program or instruction stored in the memory 602 and executable on the processor 601, such as , when the program or instruction is executed by the processor 601, each process of the above-mentioned embodiment of the processing method for the SL CSI report can be achieved, and the same technical effect can be achieved.
  • FIG. 7 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710 and other components .
  • the terminal 700 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 710 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 7 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 704 may include a graphics processor (Graphics Processing Unit, GPU) 7041 and a microphone 7042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 706 may include a display panel 7061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 707 includes a touch panel 7071 and other input devices 7072 .
  • the touch panel 7071 is also called a touch screen.
  • the touch panel 7071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 7072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 701 receives the downlink data from the network side device, and then processes it to the processor 710; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 709 may be used to store software programs or instructions as well as various data.
  • the memory 709 may mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 709 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 710 may include one or more processing units; optionally, the processor 710 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 710.
  • the radio frequency unit 701 is used to receive secondary link control information SL SCI from the opposite terminal when the terminal is a receiving terminal, and the SL SCI is used to trigger the SL CSI report of the terminal;
  • a processor 710 configured to start the SL CSI report timer according to the SL SCI
  • a processor 710 configured to execute a processing operation corresponding to the preset condition when the preset condition is satisfied
  • the DRX parameter configuration of the terminal is the first DRX parameter configuration
  • the DRX parameter configuration of the opposite terminal is the second DRX parameter configuration parameter configuration
  • the first DRX parameter configuration is different from the second DRX parameter configuration
  • the first DRX parameter configuration and the second DRX parameter configuration are both common DRX parameter configurations.
  • the meeting the preset condition includes: satisfying any one of the first condition, the second condition and the third condition;
  • the first condition is that the duration of the SL CSI reporting timer is greater than or equal to the duration of the discontinuous reception of the current DRX cycle to start DRX on, and the duration of the SL CSI reporting timer is less than or equal to the duration of the current DRX cycle duration;
  • the first condition is that the duration of the SL CSI reporting timer is greater than or equal to the duration of the discontinuous reception activation time DRX active time of the current DRX cycle, and the duration of the SL CSI reporting timer is less than or equal to the current DRX cycle the length of time;
  • the second condition is that the duration of the SL CSI reporting timer is greater than the duration of the current DRX cycle, and includes at least part of the duration of the DRX on of the next DRX cycle;
  • the second condition is that the duration of the SL CSI reporting timer is greater than the duration of the current DRX cycle, and includes at least part of the duration of the DRX active time of the next DRX cycle;
  • the third condition is the SL CSI reporting behavior configured by the network side or pre-configured by the terminal during the DRX off or DRX inactive time period of the discontinuous reception inactive time, and the SL CSI reporting behavior is when the DRX is off. Or the SL CSI report is allowed to continue to be sent during the DRX inactive time, or the SL CSI reporting behavior is that the SL CSI report is not allowed to continue to be sent during the DRX off or DRX inactive time.
  • the first DRX parameter configuration is different from the second DRX parameter configuration
  • a processor 710 for at least one of the following:
  • the resource selection window of the SL CSI report is required to fall within the DRX on or DRX active time period of the next DRX cycle;
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, if the time domain of the sending resource of the SL CSI report is located during the DRX off or DRX inactive time , send the SL CSI report to the opposite terminal;
  • the delay requirement information of the SL CSI report or the current remaining delay requirement is sent to the network side information
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is at the DRX off or DRX inactive time During this period, send SR, or delay to send SR to the nearest SR resource during DRX on or DRX active time of the next DRX cycle;
  • the resource selection window of the SL CSI report is required to fall within the DRX of the next DRX cycle during on or DRX active time;
  • the third condition is satisfied and the SL CSI reporting behavior is that it is not allowed to continue to send the SL CSI report during the DRX off or DRX inactive time, if the time domain of the sending resource of the SL CSI report is located at the DRX off or DRX inactive time During this period, cancel the triggered SL CSI report;
  • the SL CSI reporting behavior is that the SL CSI report is not allowed to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is at DRX off or DRX inactive During the time period, the triggered SR is cancelled.
  • both the first DRX parameter configuration and the second DRX parameter configuration are public DRX parameter configurations
  • a processor 710 for at least one of the following:
  • the resource selection window of the SL CSI report is required to fall within the DRX on or DRX active time period of the next DRX cycle;
  • the delay requirement information of the SL CSI report or the current remaining delay requirement is sent to the network side information
  • the SL CSI reporting behavior is to allow the SL CSI report to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is at the DRX off or DRX inactive time During this period, send SR, or delay to send SR to the nearest SR resource during DRX on or DRX active time of the next DRX cycle;
  • the resource selection window of the SL CSI report is required to fall within the DRX of the next DRX cycle during on or DRX active time;
  • the third condition is satisfied and the SL CSI reporting behavior is that it is not allowed to continue to send the SL CSI report during the DRX off or DRX inactive time, if the time domain of the sending resource of the SL CSI report is located at the DRX off or DRX inactive time During this period, cancel the triggered SL CSI report;
  • the SL CSI reporting behavior is that the SL CSI report is not allowed to continue to be sent during the DRX off or DRX inactive time, if the time domain of the SR resource triggered by the SL CSI report is at DRX off or DRX inactive During the time period, the triggered SR is cancelled.
  • An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiment of the method for processing an SL CSI report is implemented, and The same technical effect can be achieved, and in order to avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or instruction to implement the above-mentioned SL CSI report
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is configured to run a network-side device program or instruction to implement the above-mentioned SL CSI report
  • An embodiment of the present application provides a program product, the program product is stored in a non-volatile storage medium, the program product is executed by at least one processor to implement each process of the above-mentioned SL CSI report processing embodiment, and The same technical effect can be achieved, and in order to avoid repetition, details are not repeated here.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM

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

Abstract

La présente demande, qui relève du domaine technique des communications, concerne un procédé de traitement de rapport SL CSI, un appareil et un dispositif. Ledit procédé comprend : lorsqu'un terminal est une extrémité de réception, la réception d'informations SL SCI d'un terminal opposé, les informations SL SCI étant utilisées pour déclencher un rapport SL CSI du terminal ; le démarrage d'une temporisation de rapport SL CSI selon les informations SL SCI ; et lorsqu'une condition prédéfinie est satisfaite, l'exécution d'une opération de traitement correspondant à la condition prédéfinie, des configurations de paramètres DRX du terminal et du terminal opposé étant indépendantes les unes des autres ou partagées les unes avec les autres.
PCT/CN2022/077927 2021-03-04 2022-02-25 Procédé de traitement de rapport sl csi, appareil et dispositif WO2022183980A1 (fr)

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CN202110240497.4A CN115022847A (zh) 2021-03-04 2021-03-04 Sl csi报告的处理方法、装置及设备
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111386661A (zh) * 2017-09-29 2020-07-07 Lg电子株式会社 无线通信系统中非周期性的csi的报告方法及其装置
CN112205027A (zh) * 2018-04-04 2021-01-08 株式会社Ntt都科摩 用户终端以及无线通信方法
WO2021030583A1 (fr) * 2019-08-15 2021-02-18 Idac Holdings, Inc. Positionnement assisté par wtru
WO2021030565A1 (fr) * 2019-08-14 2021-02-18 Idac Holdings, Inc. Appareil et procédés pour une nouvelle acquisition d'informations d'état d'un canal radio de liaison latérale
WO2021089020A1 (fr) * 2019-11-08 2021-05-14 华为技术有限公司 Procédé, appareil et système de transmission de rapport d'informations d'état de canal de liaison latérale

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111386661A (zh) * 2017-09-29 2020-07-07 Lg电子株式会社 无线通信系统中非周期性的csi的报告方法及其装置
CN112205027A (zh) * 2018-04-04 2021-01-08 株式会社Ntt都科摩 用户终端以及无线通信方法
WO2021030565A1 (fr) * 2019-08-14 2021-02-18 Idac Holdings, Inc. Appareil et procédés pour une nouvelle acquisition d'informations d'état d'un canal radio de liaison latérale
WO2021030583A1 (fr) * 2019-08-15 2021-02-18 Idac Holdings, Inc. Positionnement assisté par wtru
WO2021089020A1 (fr) * 2019-11-08 2021-05-14 华为技术有限公司 Procédé, appareil et système de transmission de rapport d'informations d'état de canal de liaison latérale

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