WO-2026092489-A1 - WIRELESS COMMUNICATION METHOD AND APPARATUS, AND DEVICE

WO2026092489A1WO 2026092489 A1WO2026092489 A1WO 2026092489A1WO-2026092489-A1

Abstract

The present application relates to the field of communications, and discloses a wireless communication method and apparatus, and a device. The wireless communication method in embodiments of the present application comprises: when a first condition or a second condition is satisfied, a terminal assumes that a first signal is present before a target monitoring occasion, wherein the first signal is used for synchronization, and the target monitoring occasion is used for the terminal to monitor a second signal; and the first signal and the second signal are discontinuous in time domain, or the first signal and the second signal are continuous in time domain.

Inventors

WANG, YI
PAN, XUEMING
QU, XIN

Assignees

维沃移动通信有限公司

Dates

Publication Date: 20260507
Application Date: 20251029
Priority Date: 20241031

Claims (20)

A wireless communication method, comprising: If either the first or second condition is met, the terminal assumes that a first signal existed before the target listening opportunity. Wherein, the first signal is used for synchronization, and the target listening timing is used for the terminal to listen to the second signal; Wherein, the first signal and the second signal are discontinuous in the time domain, or the first signal and the second signal are continuous in the time domain.
The method according to claim 1, wherein the method further comprises: If the first condition is not met, the terminal assumes that the first signal did not exist before the target listening opportunity; or, If the first and second conditions are not met, the terminal assumes that the first signal did not exist before the target listening time.
The method according to claim 1 or 2, wherein, The first condition includes at least one of the following: The time interval between the transmission timing of the first signal and the most recent third signal used for synchronization before the transmission timing of the first signal is greater than or equal to a first time threshold; The time interval between the target listening time and the most recent third signal used for synchronization before the target listening time is greater than or equal to the second time threshold; The target monitoring timing is located within the i-th first time window of N first time windows, wherein the N first time windows are located between two adjacent third signals used for synchronization, N and i are both positive integers, and 1 < i ≤ N; After the transmission timing of the first signal, there is at least one configured listening timing of the second signal within a second time window associated with the transmission timing of the first signal; The time interval between the transmission timing of the first signal and the listening timing of at least one configured second signal after the transmission timing of the first signal is less than or equal to a third time threshold; The transmission timing of the first signal is the most recent transmission timing of the first signal before the target monitoring timing; The interval between the transmission timing of the first signal and the target listening timing is less than or equal to a third time threshold; or, The second condition includes at least one of the following: The network side configures the transmission timing of the first signal; The transmission timing of the first signal is a first type of transmission timing, wherein the interval between two adjacent first type of transmission timings is an integer multiple of the configuration period of the transmission timing of the first signal.
The method according to claim 3, wherein, The second time window associated with the transmission timing of the first signal is the time-domain resource between the transmission timing of the first signal and the transmission timing of the next first signal; or, The second time window associated with the transmission timing of the first signal is the first time window in which the end position of the transmission timing of the first signal is located among the N first time windows, or the second time window associated with the transmission timing of the first signal is the first first time window after the transmission timing of the first signal among the N first time windows.
The method according to claim 4, wherein, When the second time window associated with the transmission timing of the first signal is the time domain resource between the transmission timing of the first signal and the transmission timing of the next first signal, the transmission timing of the first signal is a second type of transmission timing, and the transmission timing of the next first signal is either a first type of transmission timing or a second type of transmission timing. The second type of transmission opportunity refers to any transmission opportunity other than the first type of transmission opportunity among the transmission opportunities of the first signal configured by the network side.
The method according to any one of claims 1 to 5, wherein, The transmission timing of the first signal corresponding to the first condition is the second type of transmission timing; The second type of transmission opportunity refers to the transmission opportunities of the first signal configured by the network side other than the first type of transmission opportunity, and the interval between two adjacent first type of transmission opportunities is an integer multiple of the configuration period of the first signal transmission opportunity.
The method according to claim 3, 5 or 6, wherein, The position of the first type of transmission opportunity is k1*L*T2+offset1, or the position of the first type of transmission opportunity is (k1*L+k2)*T2+offset1; Where k1 = 0, 1, ..., L, k2, T2 and offset1 are all positive integers, and k2 < L; Wherein, T2 represents the configuration period for the transmission timing of the first signal.
The method according to any one of claims 1 to 7, wherein, The timing of the transmission of the first signal is determined based on at least one of the following: The period of the transmission timing of the first signal; The offset corresponding to the transmission timing of the first signal; The time-domain location of the third signal used for synchronization; The time-domain position of the most recent third signal used for synchronization preceding the second signal; The time-domain location of the second signal.
The method according to any one of claims 3 to 5, wherein, The length T1 of the first time window satisfies one of the following: T1 = T/N; T1 = (T – T3) / N; T1 is configured by the network side; Where T is the period of the transmission timing of the third signal, and T3 is the time domain length occupied by one of the third signals.
The method according to any one of claims 1 to 9, wherein the method further comprises: The terminal assumes that at least one of the first signals and/or at least one third signal for synchronization exist within a first duration prior to the target listening time.
The method according to any one of claims 1 to 10, wherein, The first signal, the second signal, and the third signal used for synchronization correspond to the same spatial characteristics; The first signal and the second signal have the same spatial characteristics.
The method according to any one of claims 1 to 11, wherein, The second signal is used to wake up the terminal.
A wireless communication method, comprising: If the third or fourth condition is met, the network-side device sends a first signal for synchronization. Wherein, the first signal and the second signal are discontinuous in the time domain, or the first signal and the second signal are continuous in the time domain.
The method according to claim 13, wherein the method further comprises: If the third condition is not met, the network-side device does not send the first signal for synchronization; or, If the third and fourth conditions are not met, the network-side device does not send the first signal for synchronization.
The method according to claim 13 or 14, wherein, The third condition includes at least one of the following: The time interval between the transmission timing of the first signal and the most recent third signal used for synchronization before the transmission timing of the first signal is greater than or equal to a first time threshold; There is at least one listening opportunity for a configured second signal after the transmission opportunity of the first signal, and the time interval between the listening opportunity of the second signal and the transmission opportunity of the first signal is less than or equal to a third time threshold. There is at least one listening time for a configured second signal after the transmission time of the first signal, and the time interval between the listening time of the second signal and the transmission time of the first signal is less than or equal to a third time threshold, and the time interval between the listening time of the second signal and the most recent third signal used for synchronization before the listening time of the second signal is greater than or equal to the second time threshold. There is at least one listening time for a configured second signal after the transmission time of the first signal, and the time interval between the listening time of the second signal and the transmission time of the first signal is less than or equal to a third time threshold, and the time interval between the transmission time of the first signal and the most recent third signal used for synchronization before the transmission time of the first signal is greater than or equal to a first time threshold. After the transmission timing of the first signal, there is at least one configured listening timing of the second signal within a second time window associated with the transmission timing of the first signal; There is at least one predicted listening opportunity for a second signal to be sent after the transmission opportunity of the first signal, and the time interval between the predicted listening opportunity for the second signal to be sent and the transmission opportunity of the first signal is less than or equal to a fourth time threshold. There is at least one predicted listening time for a second signal to be sent after the transmission time of the first signal, and the time interval between the predicted listening time for the second signal to be sent and the transmission time of the first signal is less than or equal to a fourth time threshold, and the time interval between the predicted listening time for the second signal to be sent and the most recent third signal used for synchronization before the predicted listening time for the second signal to be sent is greater than or equal to a fifth time threshold. There is at least one predicted listening time for a second signal to be sent after the transmission time of the first signal, and the time interval between the listening time of the predicted second signal to be sent and the transmission time of the first signal is less than or equal to a fourth time threshold, and the time interval between the transmission time of the first signal and the most recent third signal used for synchronization before the transmission time of the first signal is greater than or equal to a first time threshold. After the transmission of the first signal, there is at least one predicted listening opportunity for the second signal to be sent within a second time window associated with the transmission of the first signal; or, The fourth condition includes at least one of the following: The transmission timing of the first signal has been configured; The transmission timing of the first signal is a first type of transmission timing, wherein the interval between two adjacent first type of transmission timings is an integer multiple of the configuration period of the transmission timing of the first signal.
The method according to claim 15, wherein, The second time window associated with the transmission timing of the first signal is the time domain resource between the transmission timing of the first signal and the transmission timing of the next first signal, or the second time window associated with the transmission timing of the first signal is the first time window where the end position of the transmission timing of the first signal is located among N first time windows, or the second time window associated with the transmission timing of the first signal is the first first time window after the transmission timing of the first signal among N first time windows. The N first time windows are located between two adjacent third signals used for synchronization, and N is a positive integer.
The method according to claim 15 or 16, wherein, The timing of listening to at least one predicted second signal to be transmitted includes at least one of the following: The timing for listening to the second signal to be sent corresponding to the predicted terminal; The timing for listening to the second signal to be sent from other predicted terminals.
The method according to any one of claims 15 to 17, wherein, The transmission timing of the first signal corresponding to the third condition is the second type of transmission timing; The second type of transmission opportunity refers to any transmission opportunity other than the first type of transmission opportunity among the transmission opportunities of the first signal configured by the network side.
The method according to any one of claims 15 to 18, wherein, The position of the first type of transmission opportunity is k1*L*T2+offset1, or the position of the first type of transmission opportunity is (k1*L+k2)*T2+offset1; Where k1 = 0, 1, ..., L, k2, T2 and offset1 are all positive integers, and k2 < L; Wherein, T2 represents the configuration period for the transmission timing of the first signal.
The method according to any one of claims 13 to 19, wherein, The timing of the transmission of the first signal is determined based on at least one of the following: The period of the transmission timing of the first signal; The offset corresponding to the transmission timing of the first signal; The time-domain location of the third signal used for synchronization; The time-domain position of the most recent third signal used for synchronization preceding the second signal; The time-domain location of the second signal.

Description

Wireless communication methods, apparatus and equipment Cross-reference of related applications This application claims priority to Chinese Patent Application No. 202411544522.8, filed on October 31, 2024, entitled "Wireless Communication Method, Apparatus and Device", the entire contents of which are incorporated herein by reference. Technical Field This application belongs to the field of communication technology, specifically relating to a wireless communication method, apparatus, and device. Background Technology To reduce the receiving activity of the terminal in standby mode, a low-power wake-up radio (LP-WUR) receiver was introduced, which truly shuts down the terminal's radio frequency (RF) module and baseband (MODEM) module, thereby greatly reducing the power consumption of communication reception. In related technologies, the low-power synchronization signal (LP-SS) used for LP-WUR synchronization can be a periodic synchronization signal. In order to meet the performance requirements of Radio Resource Management (RRM), the period must not exceed a certain time threshold. Based on this period, due to the residual time-frequency offset after LP-SS synchronization, the accumulated time-frequency offset during the reception of the low-power wake-up signal (LP-WUS) may be large, affecting the reception performance of LP-WUS. Summary of the Invention This application provides a wireless communication method, apparatus, and device that can solve the synchronization problem of LP-WUR. Firstly, a wireless communication method is provided, comprising: If either the first or second condition is met, the terminal assumes that a first signal existed before the target listening opportunity. Wherein, the first signal is used for synchronization, and the target listening timing is used for the terminal to listen to the second signal; Wherein, the first signal and the second signal are discontinuous in the time domain, or the first signal and the second signal are continuous in the time domain. Secondly, another wireless communication method is provided, including: If the third or fourth condition is met, the network-side device sends a first signal for synchronization. Wherein, the first signal and the second signal are discontinuous in the time domain, or the first signal and the second signal are continuous in the time domain. Thirdly, a wireless communication device is provided, comprising: a processing module; If the first or second condition is met, the processing module is used to assume that a first signal existed before the target listening time; Wherein, the first signal is used for synchronization, and the target listening timing is used for the terminal to listen to the second signal; Wherein, the first signal and the second signal are discontinuous in the time domain, or the first signal and the second signal are continuous in the time domain. Fourthly, another wireless communication device is provided, including: a transmitting module; If the third or fourth condition is met, the transmitting module is used to transmit a first signal for synchronization; Wherein, the first signal and the second signal are discontinuous in the time domain, or the first signal and the second signal are continuous in the time domain. Fifthly, a wireless communication device is provided, the device being configured to perform the steps of the method described in the first aspect, or to implement the steps of the method described in the second aspect. In a sixth aspect, a terminal is provided, the terminal including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the first aspect. Seventhly, a terminal is provided, including a processor and a communication interface; Wherein, if the first condition or the second condition is met, the processor is configured to assume that a first signal exists before the target listening time; Wherein, the first signal is used for synchronization, and the target listening timing is used for the terminal to listen to the second signal; Wherein, the first signal and the second signal are discontinuous in the time domain, or the first signal and the second signal are continuous in the time domain. Eighthly, a network-side device is provided, the network-side device including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the second aspect. Ninthly, a network-side device is provided, including a processor and a communication interface; Wherein, if the third or fourth condition is met, the communication interface is used to send a first signal for synchronization; Wherein, the first signal and the second signal are discontinuous in the time domain, or the first signa