WO2023274141A1 - Procédé et appareil de commande de temporisateur d'inactivité, et terminal - Google Patents

Procédé et appareil de commande de temporisateur d'inactivité, et terminal Download PDF

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Publication number
WO2023274141A1
WO2023274141A1 PCT/CN2022/101480 CN2022101480W WO2023274141A1 WO 2023274141 A1 WO2023274141 A1 WO 2023274141A1 CN 2022101480 W CN2022101480 W CN 2022101480W WO 2023274141 A1 WO2023274141 A1 WO 2023274141A1
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Prior art keywords
terminal
equal
group
target
harq feedback
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PCT/CN2022/101480
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English (en)
Chinese (zh)
Inventor
梁敬
鲍炜
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维沃移动通信有限公司
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Publication of WO2023274141A1 publication Critical patent/WO2023274141A1/fr

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    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/38—Connection release triggered by timers
    • 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 technical field of communications, and in particular relates to a method, device and terminal for controlling an inactive timer.
  • SL SideLink
  • UE User Equipment
  • SCI Sidelink Control Information
  • the receiving end UE does not start or restart the inactive timer for some reason, such as not receiving SCI or other reasons, the inactive timer is inactive time (inactive time), but the sending end UE thinks that the receiving end UE has started or restarted
  • the timer is not activated and the UE at the receiving end is in the active time (active time) (also called active time). If the UE at the sending end continues to perform subsequent transmissions, the UE at the receiving end cannot receive normally, which affects the transmission performance and makes the transmission performance low. .
  • Embodiments of the present application provide a method, device, and terminal for controlling an inactive timer, which can solve the problem of low transmission performance in existing transmission modes.
  • a method for controlling an inactive timer including:
  • the first terminal sends information to the target terminal
  • the first terminal When the response of the target terminal to the information obtained by the first terminal satisfies a preset condition, the first terminal performs an operation on an inactive timer for secondary link discontinuous reception DRX, so The above operations include start, restart or stop.
  • a device for controlling an inactive timer including:
  • a sending module configured for the first terminal to send information to the target terminal
  • An execution module configured to, when the response of the target terminal to the information obtained by the first terminal satisfies a preset condition, the first terminal for the inactivation timing for secondary link discontinuous reception DRX
  • the server performs operations, including starting, restarting, or stopping.
  • a terminal including a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
  • the program or instruction is executed by the processor, the following steps are implemented: The steps of the method for controlling the inactive timer described in the first aspect.
  • a readable storage medium on which a program or an instruction is stored, and when the program or instruction is executed by a processor, the method for controlling an inactive timer as described in the first aspect is implemented A step of.
  • a chip the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction, so as to realize the The steps of the control method of the inactive timer described above.
  • a computer program product is provided, the computer program product is stored in a non-volatile storage medium, and the computer program product is executed by at least one processor to realize the deactivation described in the first aspect The steps of the control method of the timer.
  • the first terminal sends information to the target terminal; when the response of the target terminal to the information acquired by the first terminal satisfies a preset condition, the first terminal
  • the inactivity timer of the secondary link DRX performs operations, and the operations include starting, restarting or stopping. Based on the target terminal's response to the information, the first terminal starts, restarts or stops the inactive timer, which can improve the transmission performance between the first terminal and the target terminal.
  • FIG. 1 is a structural diagram of a network system provided by an embodiment of the present application.
  • FIG. 2 is a flowchart of a method for controlling an inactive timer provided in an embodiment of the present application
  • FIG. 3 is a structural diagram of a control device for an inactive timer provided in an embodiment of the present application
  • FIG. 4 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 5 is a structural diagram of a terminal provided by an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • 'transmission' refers to the transmission of signals, not the sending of signals in a narrow sense.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technologies can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies.
  • NR New Radio
  • the following description describes New Radio (NR) systems for example purposes, and uses NR terminology in most of the following descriptions, although these techniques can also be applied to applications other than NR system applications, such as Gen 6 ( 6th Generation , 6G) communication system.
  • Gen 6 6th Generation , 6G
  • FIG. 1 shows a structural diagram of a wireless communication system to which this embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (Ultra-Mobile Personal Computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device ( Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side equipment, wearable devices include: bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (WLAN) ) access point, wireless fidelity (Wireless Fidelity, WiFi) node, transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to Specific technical terms, it should be noted that in the embodiment of the present application, only the base station in the NR system is taken as an example, but the specific type of the
  • FIG. 2 is a flowchart of a method for controlling an inactive timer provided in an embodiment of the present application.
  • the method for controlling an inactive timer includes:
  • Step 201 the first terminal sends information to the target terminal.
  • the information may include at least one of signaling and data.
  • Step 202 When the response of the target terminal to the information obtained by the first terminal satisfies a preset condition, the first terminal executes the inactive timer for secondary link discontinuous reception DRX Operation, the operation includes start, restart or stop.
  • the first terminal obtains a response of the target terminal to the information, and when the response meets a preset condition, the first terminal starts, restarts or stops the inactive timer.
  • the target terminal may include the second terminal, and the first terminal sends the information to the second terminal in a unicast manner.
  • the target terminal may include a terminal in the same group as the first terminal, and the first terminal sends the information to terminals in the same group by unicast or multicast.
  • the group may be a communication group.
  • the first terminal sends information to the target terminal; when the response of the target terminal to the information obtained by the first terminal satisfies a preset condition, the first terminal
  • the inactivity timer of the DRX path performs an operation, and the operation includes starting, restarting or stopping.
  • the first terminal starts, restarts, or stops the inactivation timer based on the response of the target terminal to the information, so as to avoid packet loss caused by the first terminal sending information during the inactivation time of the target terminal, and improve the communication between the first terminal and the target.
  • the transmission performance of the terminal is not limited to the response of the target terminal to the information obtained by the first terminal satisfies a preset condition.
  • the first terminal when the response of the target terminal to the information obtained by the first terminal satisfies a preset condition, the first terminal is used for secondary link discontinuous reception DRX
  • the inactivity timer performs actions, including:
  • the first terminal When the response of the target terminal to the information obtained by the first terminal satisfies a first preset condition, the first terminal starts or restarts the inactivation timer;
  • the first terminal stops the inactivation timer.
  • the first terminal determines to start, restart or stop the inactivity timer based on the response of the target terminal to the information. Wherein, when the response meets the first preset condition, the first terminal starts or restarts the inactive timer; when the response meets the second preset condition, the first terminal stops the inactive timer. Activate the timer.
  • the first terminal may start or restart the inactive timer when the response meets the first preset condition, and stop the inactive timer in other ways to stop the inactive timer, for example, Stop the inactive timer in the same way as you already have for stopping the inactive timer.
  • the first terminal may start or restart the inactive timer in other ways to start or restart the inactive timer, for example, start or restart the inactive timer in an existing way to start or restart the inactive timer.
  • the timer is activated, and when the response meets the second preset condition, the inactive timer is stopped.
  • the first terminal may start or restart the inactivity timer when the response satisfies the first preset condition.
  • the first terminal may determine whether to stop the inactive timer based on whether the response of the target terminal to the subsequent information satisfies the second preset condition. For example, the first terminal sends new information to the target terminal.
  • the first terminal stops the inactivation timer.
  • the target terminal includes a second terminal, and the first terminal sends the information to the second terminal in a unicast manner; or, the target terminal includes a terminal in the same group as the first terminal, so The first terminal sends the information to terminals in the group by unicast or multicast, that is, for terminals in the same group, the first terminal can send information to the terminal in unicast or multicast;
  • the first preset condition includes at least one of the following:
  • the first terminal receives hybrid automatic repeat request (Hybrid Automatic Repeat Request, HARQ) feedback information sent by the second terminal;
  • Hybrid Automatic Repeat Request Hybrid Automatic Repeat Request, HARQ
  • the first terminal receives the HARQ feedback information sent by at least one third terminal, and the number of the at least one third terminal is greater than the first threshold, and the at least one third terminal is a terminal in the group, that is, the The at least one third terminal is in the same group as the first terminal;
  • the first terminal receives the HARQ feedback information sent by the at least one third terminal, and a ratio of the number of the at least one third terminal to the number of terminals in the group is greater than a second threshold.
  • the calculation of the ratio may include two methods. For example, if the TX UE (ie, the first terminal) sends information to N UEs (ie, a third terminal), the second threshold is N', and the TX UE receives the HARQ feedback
  • the first terminal receives the HARQ feedback information sent by the at least one third terminal, and an identifier of a terminal in the at least one third terminal is a target identifier.
  • the first threshold and the second threshold can be determined by one of the following methods:
  • RSU Road Side Unit
  • the identification of the terminal is the target identification, wherein the target identification may include at least one of the following:
  • Source L2 ID (source L2 ID);
  • IMSI International Mobile Subscriber Identity
  • TMSI Temporary Mobile Subscriber Identity
  • the group member ID (Group member ID) in the group where the terminal is located for example, the group member ID in the communication group where the terminal is located;
  • the ID that can identify the terminal assigned by the upper layer of the terminal is the ID that can identify the terminal assigned by the upper layer of the terminal
  • the ID assigned by the base station to identify the terminal is the ID assigned by the base station to identify the terminal.
  • the control signaling may be a first SCI (first SCI) and/or a second SCI (second SCI).
  • the timing at which the first terminal starts or restarts the inactive timer includes at least one of the following:
  • the next symbol or time slot after receiving the SL HARQ feedback of the target terminal for the received information on the physical sidelink feedback channel (Physical Sidelink Feedback Channel, PSFCH);
  • next symbol symbol
  • time slot slot
  • the target terminal includes a second terminal, and the first terminal sends the information to the second terminal in a unicast manner, or the target terminal includes an For the terminals in the same group, the first terminal sends the information to the terminals in the group through unicast or multicast, that is, for the terminals in the group, the first terminal can use unicast or group Send information to the terminal in broadcast mode;
  • the second preset condition includes at least one of the following:
  • the number of consecutive times that the first terminal does not receive the HARQ feedback information of the second terminal is greater than or equal to a first preset number of times. For example, if the first terminal does not receive the PSFCH resource position that is expected to receive feedback for the first time, it counts 1 time; if it does not receive the next PSFCH resource position that is expected to receive feedback, it counts 1 time again;
  • the first terminal does not receive the HARQ feedback information of the second terminal within a first preset time period
  • the number of fourth terminals in the group is greater than or equal to a third threshold, and the fourth terminal is a terminal for which the number of times the first terminal has not received HARQ feedback information consecutively is greater than or equal to a second preset number of times;
  • the ratio of the number of fifth terminals in the group to the number of terminals in the group is greater than or equal to a fourth threshold, and the number of times the fifth terminal has not received HARQ feedback information consecutively for the first terminal is greater than or equal to Terminals for a third preset number of times.
  • the fourth threshold is M2
  • the first terminal sends data to K terminals in the group, then for this transmission
  • the number of terminals that have sent HARQ feedback is L
  • the number of sixth terminals in the group is greater than or equal to the fifth threshold, and the sixth terminal is that the number of times the first terminal has not received HARQ feedback information within the second preset time period is greater than or equal to the fourth preset Set the number of terminals.
  • There are Y1 terminals in total, and if Y1> M3, it is considered that the number Y1 of the sixth terminal is greater than or equal to the fifth threshold M3.
  • the ratio of the number of seventh terminals in the group to the number of terminals in the group is greater than or equal to a sixth threshold, where the seventh terminal is that the first terminal has not received HARQ within a third preset time period.
  • the sixth threshold is M4, the first terminal has sent data to K terminals in the group, and within T2ms, the HARQ feedback of one terminal (ie, the seventh terminal) in the group has not been received
  • N5 is the fifth preset number of times
  • the number of times that the HARQ feedback of one terminal in the group has not been received is W4 times
  • W4> N5
  • the final statistics are known, within T2ms , the number of times that feedback information has not been received is greater than or equal to N5, and there are Y2 terminals in total.
  • the number of the eighth terminal in the group is greater than or equal to the seventh threshold, and the eighth terminal is that the number of times that the first terminal has not received the HARQ feedback information is greater than or a terminal equal to the sixth preset number of times.
  • the statistical time interval of this condition is not a preset time period, but a time period during which the first terminal is performing information transmission for the first number of transmissions.
  • the ratio of the number of ninth terminals in the group to the number of terminals in the group is greater than the eighth threshold, and the ninth terminal is that the first terminal has not transmitted information for the second number of transmissions.
  • the number of consecutive times that the first terminal has not received the HARQ feedback information of the specific terminal is greater than or equal to the eighth preset number of times;
  • the number of times that the first terminal has not received the HARQ feedback information of the specific terminal continuously within the sixth preset time period is greater than or equal to the ninth preset number of times;
  • the number of times the first terminal has not received the HARQ feedback information of the specific terminal in succession is greater than or equal to the tenth preset number of times;
  • the specific terminal is a terminal other than the first terminal in the group or a terminal identified as a target identifier in the group except the first terminal, that is, the specific terminal is the Other terminals in the group except the first terminal, further, the other terminals may be all receiving terminals in the group except the first terminal (that is, terminals that receive information sent by the first terminal), and other terminals also It can be one terminal or multiple receiving terminals with target identification.
  • the first terminal when the running duration (that is, the actual running duration) of the inactive timer of the first terminal is greater than or equal to the target running duration, the first terminal will also stop the inactive timer.
  • the first terminal when the response of the target terminal to the information acquired by the first terminal satisfies a second preset condition, the first terminal stops the inactivation timer, including :
  • the The first terminal stops the inactivity timer.
  • the condition for the first terminal to stop the inactive timer is determined according to the target running time and the target terminal's response to the information, wherein the target running time needs to meet the third preset condition, and the target terminal's response to the information satisfies Second preset condition.
  • the third preset condition includes: the target running duration of the inactive timer is less than or equal to the first duration threshold.
  • the first terminal may start the next symbol or slot of the sent control signaling (first SCI and/or second SCI) Or restart the inactive timer, and stop the inactive timer when the response of the target terminal to the information satisfies the second preset condition.
  • the first terminal when the response of the target terminal to the information obtained by the first terminal satisfies a first preset condition, the first terminal starts or restarts the inactivity timer ,include:
  • the target running duration of the inactive timer satisfies a fourth preset condition
  • the response of the target terminal to the information acquired by the first terminal satisfies the first preset condition
  • the The first terminal starts or restarts the inactivity timer.
  • the condition for the first terminal to start or restart the inactive timer is determined according to the target running time and the target terminal's response to the information, wherein the target running time needs to meet the fourth preset condition, and the target terminal's response to the information The response satisfies the first preset condition.
  • the fourth preset condition includes: the target running duration of the inactive timer is greater than or equal to the second duration threshold.
  • the first terminal receives on the PSFCH One or more terminals start or restart the inactivity timer for the next symbol or slot after the SL HARQ feedback of the information sent by the first terminal. Further, the first terminal stops the inactive timer when the running time of the inactive timer (which can be understood as the actual running time) is equal to or greater than the target running time.
  • the first terminal starts or restarts the inactive timer
  • the target running time of the inactive timer is determined by one of the following methods:
  • the second duration is the duration determined according to the DRX configuration corresponding to the QoS of the information sent by the first terminal
  • the first duration is the first duration A duration corresponding to the number of symbols or the number of time slots between sending the control signaling by the terminal and receiving the HARQ feedback information by the first terminal.
  • the terminal communicating with the first terminal for example, a second terminal, or a terminal in the same group as the first terminal;
  • the first duration obtained by the first terminal from the DRX configuration is 1 ms. If the first terminal sends SCI at slot n1 and receives HARQ feedback at slot n2, the target of the inactive timer of the first terminal is The running time is: I ms minus the duration of (n2-n1) slots. Or, if the first terminal sends SCI at symbol X1 of slot n1, and receives HARQ feedback at symbol X2 of slot n2, then the target running time of the inactive timer of the first terminal is: I ms minus symbol X1 to symbol The duration between X2.
  • the DRX configuration corresponding to the QoS of the information sent by the first terminal may be determined according to at least one of the following:
  • RSU Road Side Unit
  • the upper layer of the first terminal is determined
  • the first terminal and the second terminal are not in the same group, and the first terminal sends information to the second terminal in unicast mode, the process of the first terminal starting or restarting the inactive timer based on the HARQ feedback is as follows:
  • Step 11 the first terminal obtains DRX related configuration from the network side device, or determines the DRX configuration based on pre-configuration.
  • the DRX configuration includes the configuration of the inactive timer, for example, the running duration of the inactive timer.
  • the first terminal may determine the DRX configuration directly based on the configuration in the network side (that is, the network side device) or pre-configuration, or may determine the DRX configuration based on its own implementation after referring to the network side configuration and pre-configuration. If the network side configures or pre-configures the mapping between the QoS parameters and the DRX configuration, the first terminal obtains the corresponding DRX configuration through the QoS of its own service.
  • Step 12 After the first terminal has a service, it sends control signaling and data; the control signaling can be first SCI and/or second SCI.
  • Step 13 After receiving the control signaling from the first terminal, the receiving terminal (in this example, the receiving terminal is the second terminal) determines that the control signaling is used to schedule new data transmission, then the receiving terminal receives The next symbol or slot after the control signaling starts or restarts the inactive timer. At this time, the inactive timer of the receiving terminal is in the active time (active time), and needs to monitor the physical secondary link control channel (Pysical Sidelink Control Channel, PSCCH) and/or Pysical Sidelink Share Channel (PSSCH).
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Pysical Sidelink Share Channel
  • the receiving terminal needs to further receive and decode the data according to the control signaling, and determine whether to send HARQ feedback ((Acknowledgment, ACK) or Negative-acknowledgment, NACK) on the PSFCH according to whether the decoding is successful or not. ).
  • HARQ feedback (Acknowledgment, ACK) or Negative-acknowledgment, NACK)
  • Step 14 After sending the control signaling, the first terminal receives the HARQ feedback of the receiving terminal on the corresponding PSFCH resource.
  • the first terminal starts or restarts the inactive timer, and can continue to send control signaling and/or data to the receiving terminal during the running of the inactive timer.
  • the protocol does not necessarily specify that the first terminal starts the inactivation timer. Regardless of whether the protocol clearly stipulates that the first terminal starts the inactivity timer, the first terminal will consider that within the next period of time, the receiving terminal is During the activation time, the first terminal can continue to send control signaling or data to the receiving terminal.
  • the specific starting or restarting time and the duration of the timer can be determined by the method in this application.
  • the first terminal does not receive the HARQ feedback, it considers that the receiving terminal may not have received the control signaling from the first terminal, and the first terminal does not start or restart the inactivity timer. At this time, if the first terminal does not start or restart other timers that can be used to know that the receiving terminal is active, the first terminal will not send control signaling and/or data to the receiving terminal.
  • the first terminal and the second terminal are not in the same group, and the first terminal sends information to the second terminal in unicast mode, the process of the first terminal stopping the inactive timer based on the HARQ feedback is as follows:
  • Step 21 the first terminal obtains DRX related configuration from the network side device, or determines the DRX configuration based on pre-configuration.
  • the DRX configuration includes the configuration of the inactive timer, for example, the running duration of the inactive timer.
  • the first terminal may determine the DRX configuration directly based on the configuration in the network side (that is, the network side device) or pre-configuration, or may determine the DRX configuration based on its own implementation after referring to the network side configuration and pre-configuration. If the network side configures or pre-configures the mapping between the QoS parameters and the DRX configuration, the first terminal obtains the corresponding DRX configuration through the QoS of its own service.
  • Step 22 After the first terminal has a service, it sends control signaling and data.
  • the control signaling may be first SCI and/or second SCI.
  • Step 23 After receiving the control signaling from the first terminal, the receiving terminal (in this example, the receiving terminal is the second terminal) determines that the control signaling is used to schedule newly transmitted data, then the receiving terminal receives The next symbol or slot after the control signaling starts or restarts the inactive timer. At this time, the inactive timer of the receiving terminal is in the active time (active time), and needs to monitor the PSCCH and/or PSSCH. At the same time, the receiving terminal needs to further receive and decode the data according to the control signaling, and determine whether to send HARQ feedback (ACK or NACK) on the PSFCH according to whether the decoding is successful or not.
  • HARQ feedback ACK or NACK
  • Step 24 After sending the control signaling, the first terminal starts or restarts the inactive timer at the next symbol or slot in which the control signaling is sent, and the running duration of the inactive timer is the duration determined based on the DRX configuration in step 21.
  • Step 25 If the second preset condition is satisfied, the first terminal stops the inactivity timer. After stopping the inactive timer, if the first terminal does not start or restart other timers that can be used to know when the receiving terminal is active, the first terminal will not send control signaling and/or data to the receiving terminal.
  • the first terminal and the third terminal are in the same group, and the first terminal sends information to the third terminal in multicast mode, the process of the first terminal starting or restarting the inactive timer based on the HARQ feedback is as follows:
  • Step 31 the first terminal acquires DRX related configuration from the network side device, or determines the DRX configuration based on pre-configuration.
  • the DRX configuration includes the configuration of the inactive timer, for example, the running duration of the inactive timer.
  • the first terminal may determine the DRX configuration directly based on the configuration in the network side (that is, the network side device) or pre-configuration, or may determine the DRX configuration based on its own implementation after referring to the network side configuration and pre-configuration. If the network side configures or pre-configures the mapping between the QoS parameters and the DRX configuration, the first terminal obtains the corresponding DRX configuration through the QoS of its own service.
  • Step 32 After the first terminal has business arrival, send control signaling and data, the control signaling can be first SCI and/or second SCI
  • Step 33 After receiving the control signaling from the first terminal, the receiving terminal (in this example, the receiving terminal is the third terminal) determines that the control signaling is used to schedule newly transmitted data, then the receiving terminal receives The next symbol or slot after the control signaling starts or restarts the inactive timer. At this time, the inactive timer of the receiving terminal is in the active time (active time), and needs to monitor the PSCCH and/or PSSCH. At the same time, the receiving terminal needs to further receive and decode the data according to the control signaling, and determine whether to send HARQ feedback (ACK or NACK) on the PSFCH according to whether the decoding is successful or not.
  • HARQ feedback ACK or NACK
  • Step 34 After sending the control signaling, the first terminal receives the HARQ feedback of the receiving terminal on the corresponding PSFCH resource. If the first preset condition is met, the first terminal starts or restarts the inactivity timer, and may continue to send control signaling and/or data to the receiving terminal during the running of the inactivity timer. It should be noted that the protocol does not necessarily specify that the first terminal starts the inactivation timer. Regardless of whether the protocol clearly stipulates that the first terminal starts the inactivity timer, the first terminal will consider that within the next period of time, the receiving terminal is During the activation time, the first terminal can continue to send control signaling or data to the receiving terminal. The specific starting or restarting time and the duration of the timer can be determined by the method in this application.
  • the first terminal and the third terminal are in the same group, and the first terminal sends information to the third terminal in multicast mode, the process of the first terminal stopping the inactive timer based on the HARQ feedback is as follows:
  • Step 41 the first terminal obtains DRX related configuration from the network side device, or determines the DRX configuration based on pre-configuration.
  • the DRX configuration includes the configuration of the inactive timer, for example, the running duration of the inactive timer.
  • the first terminal may determine the DRX configuration directly based on the configuration in the network side (that is, the network side device) or pre-configuration, or may determine the DRX configuration based on its own implementation after referring to the network side configuration and pre-configuration. If the network side configures or pre-configures the mapping between the QoS parameters and the DRX configuration, the first terminal obtains the corresponding DRX configuration through the QoS of its own service.
  • Step 42 After the first terminal has a service, it sends control signaling and data; the control signaling can be first SCI and/or second SCI.
  • Step 43 After receiving the control signaling from the first terminal, the receiving terminal (in this example, the receiving terminal is the third terminal) determines that the control signaling is used to schedule newly transmitted data, then the receiving terminal receives The next symbol or slot after the control signaling starts or restarts the inactive timer. At this time, the inactive timer of the receiving terminal is in the active time (active time), and needs to monitor the PSCCH and/or PSSCH. At the same time, the receiving terminal needs to further receive and decode the data according to the control signaling, and determine whether to send HARQ feedback (ACK or NACK) on the PSFCH according to whether the decoding is successful or not.
  • HARQ feedback ACK or NACK
  • Step 44 After sending the control signaling, the first terminal starts or restarts the inactive timer at the next symbol or slot in which the control signaling is sent, and the running duration of the inactive timer is the duration determined based on the DRX configuration in step 41.
  • Step 45 If the second preset condition is met, the first terminal stops the inactivity timer. After stopping the inactive timer, if the first terminal does not start or restart other timers that can be used to know when the receiving terminal is active, the first terminal will not send control signaling and/or data to the receiving terminal.
  • the method for controlling the inactive timer provided in the embodiment of the present application can make the understanding of the start or restart of the inactive timer consistent between the first terminal and one or more receiving terminals, and prevent the first terminal from being inactive at the receiving terminal. Packet loss caused by sending during inactive time.
  • the execution subject may be the control device of the inactive timer, or, the control device of the inactive timer is used to execute the inactive timer The control module of the control method.
  • the device for controlling the inactive timer provided in the embodiments of the present application is described by taking the device for controlling the inactive timer to execute the method for controlling the inactive timer as an example.
  • FIG. 3 is a structural diagram of a control device for an inactive timer provided in an embodiment of the present application.
  • the control device 300 for an inactive timer includes:
  • a sending module 301 configured to send information to a target terminal
  • Executing module 302 configured to perform an operation on an inactive timer for secondary link discontinuous reception DRX when the acquired response of the target terminal to the information satisfies a preset condition, the operation includes starting , restart or stop.
  • the execution module 302 includes:
  • the starting submodule is used to start or restart the inactive timer by the first terminal when the response of the target terminal to the information obtained by the first terminal satisfies a first preset condition;
  • the stop submodule is configured to stop the inactivation timer by the first terminal when the response of the target terminal to the information acquired by the first terminal satisfies a second preset condition.
  • the target terminal includes a second terminal, and the first terminal sends the information to the second terminal in a unicast manner, or the target terminal includes terminals, the first terminal sends the information to the terminals in the group through multicast;
  • the first preset condition includes at least one of the following:
  • the first terminal receives the hybrid automatic repeat request HARQ feedback information sent by the second terminal;
  • the first terminal receives HARQ feedback information sent by at least one third terminal, and the number of the at least one third terminal is greater than a first threshold;
  • the first terminal receives the HARQ feedback information sent by the at least one third terminal, and the ratio of the number of the at least one third terminal to the number of terminals in the group is greater than a second threshold;
  • the first terminal receives the HARQ feedback information sent by the at least one third terminal, and the identifier of the terminal in the at least one third terminal is a target identifier;
  • the at least one third terminal is a terminal in the group.
  • the target terminal includes a second terminal, and the first terminal sends the information to the second terminal in a unicast manner, or the target terminal includes terminals, the first terminal sends the information to the terminals in the group through multicast;
  • the second preset condition includes at least one of the following:
  • the number of times that the first terminal has not continuously received the HARQ feedback information of the second terminal is greater than or equal to the first preset number of times
  • the first terminal does not receive the HARQ feedback information of the second terminal within a first preset time period
  • the number of fourth terminals in the group is greater than or equal to a third threshold, and the fourth terminal is a terminal for which the number of times the first terminal has not received HARQ feedback information consecutively is greater than or equal to a second preset number of times;
  • the ratio of the number of fifth terminals in the group to the number of terminals in the group is greater than or equal to a fourth threshold, and the number of times the fifth terminal has not received HARQ feedback information consecutively for the first terminal is greater than or equal to a third preset number of terminals;
  • the number of sixth terminals in the group is greater than or equal to the fifth threshold, and the sixth terminal is that the number of times the first terminal has not received HARQ feedback information within the second preset time period is greater than or equal to the fourth preset terminal for setting the number of times;
  • the ratio of the number of seventh terminals in the group to the number of terminals in the group is greater than or equal to a sixth threshold, where the seventh terminal is that the first terminal has not received HARQ within a third preset time period.
  • the number of the eighth terminal in the group is greater than or equal to the seventh threshold, and the eighth terminal is that the number of times that the first terminal has not received the HARQ feedback information is greater than or a terminal equal to the sixth preset number of times;
  • the ratio of the number of ninth terminals in the group to the number of terminals in the group is greater than the eighth threshold, and the ninth terminal is that the first terminal has not transmitted information for the second number of transmissions.
  • the number of consecutive times that the first terminal has not received the HARQ feedback information of the specific terminal is greater than or equal to the eighth preset number of times;
  • the number of times that the first terminal has not received the HARQ feedback information of the specific terminal continuously within the sixth preset time period is greater than or equal to the ninth preset number of times;
  • the number of times the first terminal has not received the HARQ feedback information of the specific terminal in succession is greater than or equal to the tenth preset number of times;
  • the specific terminal is a terminal other than the first terminal in the group or a terminal identified as a target identifier in the group except the first terminal.
  • stop submodules for:
  • the The first terminal stops the inactivity timer.
  • the third preset condition includes:
  • the target running duration of the inactive timer is less than or equal to the first duration threshold.
  • a promoter module for:
  • the target running duration of the inactive timer satisfies a fourth preset condition
  • the response of the target terminal to the information acquired by the first terminal satisfies the first preset condition
  • the The first terminal starts or restarts the inactivity timer.
  • the fourth preset condition includes:
  • the target running duration of the inactive timer is greater than or equal to the second duration threshold.
  • the device also includes:
  • a stop module configured to stop the inactive timer when the running time of the inactive timer is equal to or greater than the target running time.
  • the timing at which the first terminal starts or restarts the inactive timer includes at least one of the following:
  • the target running duration of the inactive timer is determined by one of the following methods:
  • the second duration is the duration determined according to the DRX configuration corresponding to the QoS of the information sent by the first terminal
  • the first duration is the first duration
  • the device 300 for controlling the inactive timer provided in the embodiment of the present application can realize various processes realized by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the device 300 for controlling the inactive timer in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a network side device.
  • the device 300 for controlling the inactive timer in the embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in this embodiment of the present application.
  • the embodiment of the present application further provides a communication device 70, including a processor 71, a memory 72, and programs or instructions stored in the memory 72 and operable on the processor 71,
  • a communication device 70 including a processor 71, a memory 72, and programs or instructions stored in the memory 72 and operable on the processor 71
  • the communication device 70 is a terminal
  • the program or instruction is executed by the processor 71
  • each process of the embodiment of the method for controlling the inactive timer shown in FIG. 2 can be realized, and the same technical effect can be achieved.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1000 includes but not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010, etc. .
  • the terminal 1000 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor 1010 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 5 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange different components, which will not be repeated here.
  • the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042, and the graphics processor 10041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1007 includes a touch panel 10071 and other input devices 10072 .
  • the touch panel 10071 is also called a touch screen.
  • the touch panel 10071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 1001 receives the downlink data from the network side equipment, and processes it to the processor 1010; in addition, sends the uplink data to the base station.
  • the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 1009 can be used to store software programs or instructions as well as various data.
  • the memory 1009 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1009 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 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 handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 1010 .
  • the radio frequency unit 1001 is used to send information to the target terminal;
  • Processor 1010 configured to perform an operation on an inactive timer for secondary link discontinuous reception DRX in a case where the acquired response of the target terminal to the information satisfies a preset condition, the operation includes starting , restart or stop.
  • the processor 1010 is configured to, if the response of the target terminal acquired by the first terminal to the information satisfies a first preset condition, the first terminal starts or restarts the inactive timer;
  • the first terminal stops the inactivation timer.
  • the target terminal includes a second terminal, and the first terminal sends the information to the second terminal in a unicast manner, or the target terminal includes terminals, the first terminal sends the information to the terminals in the group through multicast;
  • the first preset condition includes at least one of the following:
  • the first terminal receives the hybrid automatic repeat request HARQ feedback information sent by the second terminal;
  • the first terminal receives HARQ feedback information sent by at least one third terminal, and the number of the at least one third terminal is greater than a first threshold;
  • the first terminal receives the HARQ feedback information sent by the at least one third terminal, and the ratio of the number of the at least one third terminal to the number of terminals in the group is greater than a second threshold;
  • the first terminal receives the HARQ feedback information sent by the at least one third terminal, and the identifier of the terminal in the at least one third terminal is a target identifier;
  • the at least one third terminal is a terminal in the group.
  • the target terminal includes a second terminal, and the first terminal sends the information to the second terminal in a unicast manner, or the target terminal includes terminals, the first terminal sends the information to the terminals in the group through multicast;
  • the second preset condition includes at least one of the following:
  • the number of times that the first terminal has not continuously received the HARQ feedback information of the second terminal is greater than or equal to the first preset number of times
  • the first terminal does not receive the HARQ feedback information of the second terminal within a first preset time period
  • the number of fourth terminals in the group is greater than or equal to a third threshold, and the fourth terminal is a terminal for which the number of times the first terminal has not received HARQ feedback information consecutively is greater than or equal to a second preset number of times;
  • the ratio of the number of fifth terminals in the group to the number of terminals in the group is greater than or equal to a fourth threshold, and the number of times the fifth terminal has not received HARQ feedback information consecutively for the first terminal is greater than or equal to a third preset number of terminals;
  • the number of sixth terminals in the group is greater than or equal to the fifth threshold, and the sixth terminal is that the number of times the first terminal has not received HARQ feedback information within the second preset time period is greater than or equal to the fourth preset terminal for setting the number of times;
  • the ratio of the number of seventh terminals in the group to the number of terminals in the group is greater than or equal to a sixth threshold, where the seventh terminal is that the first terminal has not received HARQ within a third preset time period.
  • the number of the eighth terminal in the group is greater than or equal to the seventh threshold, and the eighth terminal is that the number of times that the first terminal has not received the HARQ feedback information is greater than or a terminal equal to the sixth preset number of times;
  • the ratio of the number of ninth terminals in the group to the number of terminals in the group is greater than the eighth threshold, and the ninth terminal is that the first terminal has not transmitted information for the second number of transmissions.
  • the number of times that the first terminal has not continuously received the HARQ feedback information of the specific terminal is greater than or equal to the eighth preset number of times;
  • the number of times that the first terminal has not received the HARQ feedback information of the specific terminal continuously within the sixth preset time period is greater than or equal to the ninth preset number of times;
  • the number of times the first terminal has not received the HARQ feedback information of the specific terminal in succession is greater than or equal to the tenth preset number of times;
  • the specific terminal is a terminal other than the first terminal in the group or a terminal identified as a target identifier in the group except the first terminal.
  • the processor 1010 is further configured to: when the target running duration of the inactive timer satisfies a third preset condition, and the response of the target terminal to the information acquired by the first terminal When the second preset condition is met, the first terminal stops the inactivation timer.
  • the third preset condition includes: the target running duration of the inactive timer is less than or equal to a first duration threshold.
  • the processor 1010 is further configured to satisfy the fourth preset condition when the target running duration of the inactive timer, and the response of the target terminal to the information acquired by the first terminal satisfies the In the case of the first preset condition, the first terminal starts or restarts the inactivity timer.
  • the fourth preset condition includes: the target running duration of the inactive timer is greater than or equal to a second duration threshold.
  • the processor 1010 is further configured to stop the inactive timer when the running time of the inactive timer is equal to or greater than the target running time.
  • the timing at which the first terminal starts or restarts the inactive timer includes at least one of the following:
  • the target running duration of the inactive timer is determined by one of the following methods:
  • the second duration is the duration determined according to the DRX configuration corresponding to the QoS of the information sent by the first terminal
  • the first duration is the first duration
  • the terminal 1000 provided in the foregoing embodiment can implement various processes implemented by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not described here.
  • the embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by the processor, each process of the method embodiment described in FIG. 2 is realized, and can achieve The same technical effects are not repeated here to avoid repetition.
  • the processor is the processor in the terminal or the network side device described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above-mentioned method in Figure 2
  • the various processes of the embodiment can achieve the same technical effect, so in order to avoid repetition, details are not repeated here.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the embodiment of the present application also provides a computer program product, which is stored in a readable storage medium.
  • the computer program product is executed by at least one processor to implement the various processes in the method embodiment in FIG. 2 above, and can achieve the same technology Effect, in order to avoid repetition, will not repeat them here.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also 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 the part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, disk, CD) contains several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network, etc.) execute the methods described in the various embodiments of the present application.

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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 appartient au domaine technique des communications. Sont divulgués un procédé et un appareil pour commander un temporisateur d'inactivité, et un terminal. Le procédé comprend les étapes suivantes : un premier terminal envoyant des informations à un terminal cible ; et si une réponse, qui est acquise par le premier terminal, du terminal cible aux informations remplit une condition prédéfinie, le premier terminal exécutant une opération sur un temporisateur d'inactivité, qui est utilisé pour une DRX de liaison latérale, l'opération comprenant le démarrage, le redémarrage ou l'arrêt.
PCT/CN2022/101480 2021-07-02 2022-06-27 Procédé et appareil de commande de temporisateur d'inactivité, et terminal WO2023274141A1 (fr)

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CN202110751370.9A CN115568038A (zh) 2021-07-02 2021-07-02 非激活定时器的控制方法、装置及终端
CN202110751370.9 2021-07-02

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CN111512674A (zh) * 2018-11-30 2020-08-07 Oppo广东移动通信有限公司 一种传输数据的方法、终端设备和网络设备
CN111800893A (zh) * 2019-08-22 2020-10-20 维沃移动通信有限公司 边链路非连续发送、接收方法与装置及终端设备
US20210068189A1 (en) * 2019-08-30 2021-03-04 Hyundai Motor Company Method and apparatus for radio link management in sidelink communication

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CN110475391A (zh) * 2018-05-09 2019-11-19 电信科学技术研究院有限公司 非连续接收定时器的控制方法、装置、终端及基站
CN111512674A (zh) * 2018-11-30 2020-08-07 Oppo广东移动通信有限公司 一种传输数据的方法、终端设备和网络设备
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