US-12628240-B2 - Information determination method, device, apparatus and computer readable storage medium

US12628240B2US 12628240 B2US12628240 B2US 12628240B2US-12628240-B2

Abstract

Embodiments of the present disclosure provide an information determination method, apparatus, device, and computer-readable storage medium. The method includes: obtaining a sidelink channel measurement result, and determining a timer length of a target DRX timer according to the sidelink channel measurement result; or receiving indication information from a second terminal and determining the timer length of the target DRX timer according the indication information from the second terminal; the indication information being used to indicate the timer length of the target DRX timer; wherein the first terminal communicates with the second terminal through a sidelink.

Inventors

Da Wang
Yali Zhao

Assignees

DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Dates

Publication Date: 20260512
Application Date: 20201228
Priority Date: 20200115

Claims (14)

1 . An information determination method, applied to a first terminal, comprising: receiving indication information from a second terminal and determining a timer length of a target discontinuous reception (DRX) timer according the indication information from the second terminal; the indication information being used to indicate the timer length of the target DRX timer; wherein the first terminal communicates with the second terminal through a sidelink, wherein the receiving the indication information from the second terminal comprises: receiving a sidelink radio resource control (RRC) signaling from the second terminal, the sidelink RRC signaling being used to indicate the timer length of the target DRX timer, wherein the target DRX timer includes one or more of the following: Onduration timer, Inactivity Timer, or Retransmission Timer, wherein the timer length of the target DRX timer is determined according to a sidelink channel measurement result and according to a corresponding relationship between the sidelink channel measurement result and the timer length of the DRX timer from the network side device; or the timer length of the target DRX timer is determined according to a sidelink channel measurement result, according to a corresponding relationship among the sidelink channel measurement result, quality of service (QoS) and the timer length of the DRX timer from a network side device, and according to QoS required by a current service.
2 . The method according to claim 1 , wherein before receiving the indication information from the second terminal, the method further comprises: sending data or a reference signal to the second terminal, the data or the reference signal being used to obtain the sidelink channel measurement result.
3 . The method according to claim 1 , wherein the sidelink RRC signaling further includes at least one of the following: a source layer L2 identifier, a destination L2 identifier, a sidelink radio barrier (SLRB) identifier, or a logic channel ID (LCID).
4 . The method according to claim 1 , wherein the corresponding relationship between the sidelink channel measurement result and the timer length of the DRX timer is received from the network side device through a dedicated RRC signaling or a broadcast RRC signaling.
5 . The method according to claim 1 , wherein the sidelink channel measurement result includes one or more of channel state information and a channel congestion degree; the channel state information includes one or more of the following: Channel State Information (CSI), Rand Indication (RI), Channel Quality Indicator (CQI), Signal to Interference plus Noise Ratio (SINR), Reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), Received Signal Strength Indication (RSSI), Block Error Rate, Bit Error Rate, or Sounding Reference Signal (SRS); the channel congestion degree includes one or more of the following: a Channel Busy Ratio (CBR) threshold, and a channel occupancy ratio (CR).
6 . A communication apparatus, applied to a first terminal, comprising: a transceiver, a memory, a processor, and a program stored in the memory and executable on the processor; wherein the processor is configured to read the program in the memory to perform the information determination method according to claim 1 .
7 . An information determination method, applied to a second terminal, comprising: sending indication information to a first terminal, wherein the indication information is used to indicate a timer length of a target discontinuous reception (DRX) timer, wherein the sending indication information to the first terminal comprises: sending a sidelink RRC signaling to the first terminal, wherein the sidelink RRC signaling is used to indicate the timer length of the target DRX timer; wherein the second terminal communicates with the first terminal through a sidelink, wherein the target DRX timer includes one or more of the following: Onduration timer, Inactivity Timer, or Retransmission Timer, wherein the sending indication information to the first terminal comprises: obtaining a corresponding relationship between a sidelink channel measurement result and a timer length of the DRX timer from the network side device, determining the timer length of the target DRX timer according to the corresponding relationship and the sidelink channel measurement result, and sending the indication information to the first terminal, wherein the indication information is used to indicate the timer length of the target DRX timer; or the sending indication information to the first terminal comprises: obtaining a corresponding relationship among the sidelink channel measurement result, QoS and the timer length of the DRX timer from the network side device; determining the timer length of the target DRX timer according the corresponding relationship, according to QoS required by a current service and according to the sidelink channel measurement result; and sending the indication information to the first terminal, wherein the indication information is used to indicate the timer length of the target DRX timer.
8 . The method according to claim 7 , wherein the corresponding relationship between the sidelink channel measurement result and the timer length of the DRX timer is received from the network side device through a dedicated RRC signaling or a broadcast RRC signaling.
9 . The method according to claim 7 , wherein the sidelink RRC signaling further includes at least one of the following: a source layer L2 identifier, a destination L2 identifier, a sidelink radio barrier (SLRB) identifier, or a logic channel ID (LCID).
10 . The method according to claim 7 , wherein the sidelink channel measurement result includes one or both of channel state information and a channel congestion degree; the channel state information includes one or more of the following: CSI, RI, CQI, SINR, RSRP, RSRQ, RSSI, block error rate, bit error rate or SRS; the channel congestion degree includes one or more of the following: a CBR threshold, or a CR.
11 . A communication apparatus, applied to a second terminal, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executed by the processor; wherein the processor is configured to read the program in the memory to perform the information determination method according to claim 7 .
12 . An information determination method, applied to a network side device, comprising: sending a corresponding relationship between a sidelink channel measurement result and a timer length of a target discontinuous reception (DRX) timer to at least one of a first terminal or a second terminal, so that at least one of the first terminal or the second terminal determines the timer length of the target DRX timer according to the corresponding relationship and the sidelink channel measurement result; or sending a corresponding relationship among the sidelink channel measurement result, QoS and the timer length of the target DRX timer to at least one of the first terminal or the second terminal, so that at least one of the first terminal or the second terminal determines the timer length of the target DRX timer according to the corresponding relationship, QoS required by a current service and the sidelink channel measurement result, wherein the target DRX timer includes one or more of the following: Onduration timer, Inactivity Timer, or Retransmission Timer.
13 . The method according to claim 12 , wherein the sidelink RRC signaling further includes at least one of the following: a source layer L2 identifier, a destination L2 identifier, a sidelink radio barrier (SLRB) identifier, or a logic channel ID (LCID).
14 . A communication apparatus, applied to a network side device, comprising: a transceiver, a memory, a processor, and a program stored in the memory and executed by the processor; wherein the processor is configured to read the program in memory to perform the information determination method according to claim 12 .

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is the U.S. national phase of PCT Application No. PCT/CN2020/139949 filed on Dec. 28, 2020, which claims priority to the Chinese patent application No. 202010044963.7 filed on Jan. 15, 2020, the disclosures of which are incorporated herein by reference in their entireties. TECHNICAL FIELD The present disclosure relates to the field of communications technology, in particular to an information determination method, device, apparatus and a computer readable storage medium. BACKGROUND Vehicle-to-everything (V2X) technology uses wireless communication between vehicles, vehicles and roadside infrastructure, and vehicles and pedestrian to sense the surrounding conditions of vehicles in real time, share road information, and provide timely warnings, it has become a research hotspot to solve road safety problems. In the Long Term Evolution (LTE) V2X technology in the related art, broadcast communications on a PC5 interface (also called a sidelink in the protocol) for data transmission between UE (UE) and UE can already support the transmission of basic services based on the road safety. V2X services include vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), and vehicle-to-pedestrian (V2P) communications. With the further development of the Internet of Vehicles technology, compared with LTE V2X at this stage, New Radio (NR) V2X has emerged some new application scenarios, such as: vehicle formation, advanced driving, sensor information sharing, and remote control and other applications, and unicast, multicast and broadcast services are supported at the same time. There is no discontinuous reception (DRX) mechanism in NR V2X in the related art. Therefore, there is a need to design a solution that saves the power consumption of the terminal and does not reduce the communication reliability of the terminal. SUMMARY Embodiments of the present disclosure provide an information determination method, device, apparatus and a computer readable storage medium, so as to save the power consumption of the terminal and not reduce the communication reliability of the terminal. In a first aspect, an embodiment of the present disclosure provide an information determination method, applied to a first terminal, including: obtaining a sidelink channel measurement result, and determining a timer length of a target discontinuous reception (DRX) timer according to the sidelink channel measurement result; or receiving indication information from a second terminal and determining the timer length of the target DRX timer according the indication information from the second terminal; the indication information being used to indicate the timer length of the target DRX timer; wherein the first terminal communicates with the second terminal through a sidelink. In some embodiments, the receiving the indication information from a second terminal includes: receiving a sidelink radio resource control (RRC) signaling or a sidelink media access control (MAC) control element (CE) sent by the second terminal, the sidelink RRC signaling or the sidelink MAC CE being used to indicate the timer length of the target DRX timer. In some embodiments, the obtaining a sidelink channel measurement result includes at least one of the following: obtaining a sidelink channel measurement result of the first terminal; obtaining a sidelink channel measurement result sent by the second terminal; or obtaining a sidelink channel measurement result sent by a network side device. In some embodiments, the obtaining a sidelink channel measurement result sent by the second terminal includes: receiving a sidelink RRC signaling or a sidelink MAC CE sent by the second terminal, the sidelink RRC signaling or the sidelink MAC CE including the sidelink channel measurement result. In some embodiments, the sidelink RRC signaling or the sidelink MAC CE further includes at least one of the following: a source layer L2 identifier, a destination L2 identifier, a sidelink radio barrier (SLRB) identifier, or a logic channel ID (LCID). In some embodiments, the obtaining a sidelink channel measurement result sent by the network side device includes: obtaining an RRC signaling or a MAC CE sent by the network side device, wherein the RRC signaling or the MAC CE includes the sidelink channel measurement result. In some embodiments, the RRC signaling or the MAC CE further includes at least one of the following: a source layer L2 identifier, a destination L2 identifier, an SLRB identifier, or an LCID. In some embodiments, the determining the timer length of the target DRX timer according to the sidelink channel measurement result includes: obtaining a corresponding relationship between the sidelink channel measurement result and the timer length of the DRX timer; determining the timer length of the target DRX timer according the corresponding relationship and the sidelink channel measurement result. In some embodiments, the determining