Method, apparatus and computer program product for wireless communication

By introducing LP-WUS to monitor the PDCCH and combining it with the DRX timer, the configuration of LP-WUS and DRX is optimized, which solves the problem of unclear configuration relationship between LP-WUS and DRX, realizes low power management of user equipment, and improves the energy efficiency of wireless communication.

CN121890183APending Publication Date: 2026-04-17ZTE CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZTE CORP
Filing Date
2023-11-29
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

In the prior art, the configuration relationship between low power wake-up signal (LP-WUS) and discontinuous reception (DRX) or extended discontinuous reception (eDRX) is not clear, resulting in poor power consumption management of user equipment (UE).

Method used

By introducing a low-power wake-up signal (LP-WUS) to monitor the physical downlink control channel (PDCCH), and combining the LP-WUS timer and DRX timer, the management of active and inactive times is optimized, including the configuration of the triggering mechanism, periodicity, and offset of the LP-WUS timer and DRX timer, to achieve more efficient power consumption management.

Benefits of technology

It effectively reduces the power consumption of user equipment, optimizes the configuration relationship between LP-WUS and DRX, and improves the energy efficiency of wireless communication.

✦ Generated by Eureka AI based on patent content.

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Abstract

A wireless communication method is disclosed. The method includes monitoring, by the wireless communication terminal, a physical downlink control channel, PDCCH during an active time based at least on the low power wake-up signal, LP-WUS.
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Description

Technical Field

[0001] This application relates generally to wireless communication, and particularly to fifth-generation (5G) wireless communication. th 5G (generation, 5G) communication or sixth-generation (6G) th generation, 6G) communications. Background Technology

[0002] Low-power wake-up signal (LP-WUS) can be used to reduce power consumption of user equipment (UE). It is received by the wake-up receiver (WUR) and triggers the MR (primary radio) to monitor the physical downlink control channel (PDCCH). However, the LP-WUS-related configurations triggered by the MR to monitor the PDCCH, such as the relationship between LP-WUS and DRX (discontinuous reception) or Extended Discontinuous Reception (eDRX), or retransmission configurations, remain topics of discussion. Summary of the Invention

[0003] This application relates to methods, systems, and computer program products for wireless communication.

[0004] This application relates to methods, systems, and computer program products for wireless communication.

[0005] One aspect of this disclosure relates to a wireless communication method. In an embodiment, the wireless communication method includes: a wireless communication terminal monitoring the physical downlink control channel (PDCCH) during an active time, at least based on a low-power wake-up signal (LP-WUS).

[0006] Another aspect of this disclosure relates to a wireless communication method. In an embodiment, the wireless communication method includes: transmitting a low-power wake-up signal LP-WUS from a wireless communication node to a wireless communication terminal to instruct the wireless communication terminal to monitor the physical downlink control channel PDCCH during the active time.

[0007] Another aspect of this disclosure relates to a wireless communication terminal. In an embodiment, the wireless communication terminal includes a communication unit and a processor. The processor is configured to monitor the Physical Downlink Control Channel (PDCCH) during the active time, at least based on a Low Power Wake-up Signal (LP-WUS), via the communication unit.

[0008] Another aspect of this disclosure relates to a wireless communication node. In an embodiment, the wireless communication node includes a communication unit and a processor. The processor is configured to transmit a low-power wake-up signal LP-WUS to a wireless communication terminal via the communication unit to instruct the wireless communication terminal to monitor the physical downlink control channel PDCCH during the active period.

[0009] Various embodiments may preferably implement the following features:

[0010] Preferably, the activity time is determined by an LP-WUS timer or a discontinuous reception DRX timer.

[0011] The LP-WUS activity time is determined by the LP-WUS timer.

[0012] The DRX activity time is determined by the DRX timer.

[0013] Preferably, the DRX timer includes at least one of the following:

[0014] DRX enables duration timer;

[0015] DRX inactive timer;

[0016] DRX retransmission timer used for downlink DL;

[0017] DRX retransmission timer for uplink UL;

[0018] DRX Hybrid Automatic Repeat Request (HARQ) Round-Trip Time (RTT) timer for DL; or

[0019] DRX HARQ RTT timer for UL.

[0020] Preferably, the LP-WUS timer includes at least one of the following:

[0021] LP-WUS enables duration timer.

[0022] LP-WUS inactive timer

[0023] LP-WUS retransmission timer used for downlink DL, or

[0024] LP-WUS retransmission timer for uplink UL;

[0025] LP-WUS HARQ RTT timer for DL; or

[0026] LP-WUS HARQ RTT timer for UL.

[0027] Preferably, the LP-WUS timer or DRX timer is triggered by LP-WUS, or by LP-WUS in response to higher-level configuration.

[0028] Preferably, the activity time includes at least one of the following:

[0029] The duration for which the LP-WUS start-up timer is running;

[0030] The duration during which the LP-WUS inactive timer is running;

[0031] The time when the LP-WUS retransmission timer for DL ​​is running;

[0032] The time that the LP-WUS retransmission timer for UL is running;

[0033] The time when the LP-WUS HARQ RTT timer used for DL ​​is running;

[0034] The running time of the LP-WUS HARQ RTT timer used by UL;

[0035] DRX enables the duration of the timer's operation;

[0036] The time that the DRX inactive timer is running;

[0037] The time that the DRX retransmission timer for DL ​​is running;

[0038] The time that the DRX retransmission timer for UL is running;

[0039] The running time of ra-ContentionResolutionTimer;

[0040] The duration of msgB-ResponseWindow;

[0041] The time during which scheduling requests sent on the physical uplink control channel (PUCCH) are suspended;

[0042] After successfully receiving a random access response for a random access preamble not selected by the MAC entity in a contention-based random access preamble, the time after which no PDCCH indicating a new transmission addressing the Media Access Control MAC entity's Cell Radio Network Temporary Identifier (C-RNTI) is received; or

[0043] The time or period within PTW.

[0044] Preferably, LP-WUS is monitored based on at least one of the following:

[0045] Periodicity

[0046] Duration of time, or

[0047] Offset.

[0048] Preferably, the periodicity of LP-WUS monitoring is used to determine whether it is equal to or associated with the DRX periodicity, or is determined based on the DRX periodicity.

[0049] Preferably, the offset indication used to determine LP-WUS monitoring includes at least one of the following:

[0050] The time interval between the start of the LP-WUS and DRX timers;

[0051] The time interval between the start of LP-WUS and the start of the LP-WUS timer;

[0052] The time interval between LP-WUS and the start of the DRX timer used for long DRX cycles;

[0053] The time interval between LP-WUS and the start of the DRX timer used for short DRX cycles;

[0054] The time interval between the duration or cycle of LP-WUS and DRX;

[0055] The time interval between LP-WUS and the next DRX duration or cycle;

[0056] The time interval between LP-WUS and long DRX durations or cycles;

[0057] The time interval between LP-WUS and short DRX duration or period; or

[0058] The time interval between LP-WUS and PTW.

[0059] Preferably, the DRX duration is determined by the DRX activity time or the DRX timer.

[0060] Preferably, LP-WUS includes an indication for one or more DRX activations or one or more DRX timers.

[0061] Preferably, LP-WUS satisfies at least one of the following:

[0062] LP-WUS indicates activation or startup of DRX, DRX configuration, or DRX timer;

[0063] LP-WUS indicates activation or startup of DRX, DRX configuration, or DRX timer for long DRX cycles;

[0064] LP-WUS indicates activation or startup of DRX, DRX configuration, or DRX timer for short DRX cycles;

[0065] The first LP-WUS instruction activates or initiates a long DRX, and the second LP-WUS activates a short DRX; or

[0066] LP-WUS indicates that at least one of the long DRX or short DRX is activated or initiated based on at least one of the PDCCH or the physical downlink shared channel PDSCH.

[0067] Preferably, with the configuration of higher-layer parameters, Media Access Control - Control Element (MAC) CE signaling or Downlink Control Information (DCI) signaling is received.

[0068] Preferably, LP-WUS includes an indication of offset.

[0069] Preferably, the offset indicates at least one of the following:

[0070] The time interval between the LP-WUS and DRX periods, the start of the DRX timer, or the start of the LP-WUS timer;

[0071] The time interval between LP-WUS and PTW;

[0072] The time interval between LP-WUS and the window;

[0073] A first offset based on the long DRX and a second offset based on the short DRX;

[0074] A first offset based on the start of the DRX timer or LP-WUS timer for long DRX, and a second offset based on the start of the DRX timer or LP-WUS timer for short DRX;

[0075] The first offset is based on the PTW window, the extended discontinuous reception eDRX period, or the window, and the second offset is based on the DRX period, the start of the DRX timer, or the start of the LP-WUS timer.

[0076] Preferably, the LP-WUS timing used for monitoring LP-WUS is prior to or associated with the DRX cycle.

[0077] Preferably, LP-WUS is monitored based on at least one of a first periodicity and a second periodicity.

[0078] Preferably, at least one of the first periodicity and the second periodicity satisfies at least one of the following:

[0079] The second periodicity is applied to the paging time window PTW, which contains at least one DRX cycle;

[0080] The first periodicity is applied to the extended discontinuous reception eDRX period;

[0081] The second periodicity is applied to short DRX periods;

[0082] The first periodicity is applied to long DRX periods;

[0083] The first periodicity is applied to the window;

[0084] The second periodicity is applied within the window;

[0085] The first periodicity is applied to the first LP-WUS, and the second periodicity is applied to the second LP-WUS;

[0086] The first periodicity is applied to the first monitoring search space of LP-WUS, and the second periodicity is applied to the second monitoring search space of LP-WUS;

[0087] or

[0088] The first periodicity and the second periodicity have a multiple relationship.

[0089] Preferably, LP-WUS is monitored within a window, and the window satisfies at least one of the following:

[0090] The length of the window is equal to the length of the PTW;

[0091] The window contains the PTW or at least the DRX cycle within the PTW;

[0092] The window contains at least one time duration;

[0093] The window is located before the start of the DRX timer or outside of the DRX activity period;

[0094] Periodicity is associated with windows;

[0095] The periodicity of the window is correlated with or equal to the periodicity of the extended discontinuous reception eDRX period; or

[0096] There is an offset between the window and PTW, DRX cycle, eDRX cycle, the start of the DRX timer, the start of the LP-WUS timer, or a specific time point.

[0097] Preferably, LP-WUS satisfies at least one of the following:

[0098] LP-WUS was monitored outside of active hours;

[0099] LP-WUS was monitored outside of DRX activity periods;

[0100] LP-WUS is monitored before the start of the DRX timer or the LP-WUS timer;

[0101] LP-WUS is monitored in PTW; or

[0102] LP-WUS is monitored outside of the activity period or before the activity period but in PTW.

[0103] Preferably, LP-WUS also satisfies at least one of the following:

[0104] LP-WUS was monitored for at least one time duration; or

[0105] LP-WUS is monitored periodically.

[0106] Preferably, the wireless communication method further includes at least one of the following:

[0107] The wireless communication terminal reports the most recent Channel State Information (CSI) based on the timing of the latest CSI measurement that occurs during the activity period;

[0108] The wireless communication terminal performs channel state information reference signal (CSI-RS) measurement during the active time;

[0109] Wireless communication terminals are not required to perform Channel State Information Reference Signal (CSI-RS) measurements outside of active hours;

[0110] Wireless communication terminals expect CSI-RS resources to be available during the active period;

[0111] Wireless communication terminals do not expect CSI-RS resources to be available outside of active hours;

[0112] In response to receiving at least one of a CSI-RS transmission timing for channel measurement and a CSI-RS or CSI-IM timing for interference measurement or channel state information interference measurement within the activity time of the CSI reference resource no later than the CSI reference resource, the wireless communication terminal reports a CSI report.

[0113] If at least one of the CSI-RS transmission timing for channel measurement and the CSI-RS or CSI-IM timing for interference measurement is not received within the LP-WUS activity time no later than the CSI reference resource, the wireless communication terminal discards the CSI report.

[0114] In response to receiving at least one CSI-RS transmission for each CSI-RS resource in the resource pair no later than the active time of the CSI reference resource, the wireless communication terminal reports a CSI report;

[0115] In response to the absence of at least one CSI-RS transmission for each CSI-RS resource in the resource pair within the activity time of the CSI reference resource no later than that of the CSI reference resource, the wireless communication terminal discards the CSI report.

[0116] Wireless communication terminals do not expect to receive configurations for monitoring DCI format 2_6 and LP-WUS simultaneously; or

[0117] Wireless communication terminals are not required to monitor LP-WUS during the activity period.

[0118] Preferably, the LP-WUS function or parameters are configured or enabled, or LP-WUS is received.

[0119] Preferably, the wireless communication node is configured with a set of time durations, and the activity time is selected from the set of time durations.

[0120] Preferably, the wireless communication node configures a set of time durations, and LP-WUS indicates the time durations in the time duration set as the active time.

[0121] Preferably, the configuration of the LP-WUS-based wireless communication node is monitored.

[0122] This disclosure relates to a computer program product including computer-readable program medium code stored thereon, which, when executed by a processor, causes the processor to perform any of the preceding methods of wireless communication. Attached Figure Description

[0123] The exemplary embodiments disclosed herein are intended to provide features that will become apparent when taken in conjunction with the accompanying drawings by referring to the following description. Exemplary systems, methods, apparatuses, and computer program products are disclosed herein according to various embodiments. However, it should be understood that these embodiments are presented by way of example and not limitation, and that various modifications to the disclosed embodiments may be apparent to those skilled in the art who read this disclosure, while remaining within the scope of this disclosure.

[0124] Therefore, this disclosure is not limited to the exemplary embodiments and applications described and illustrated herein. Furthermore, the specific order and / or hierarchy of steps in the methods disclosed herein are merely exemplary methods. Based on design preferences, the specific order or hierarchy of steps in the disclosed methods or processes may be rearranged while remaining within the scope of this disclosure. Therefore, those skilled in the art will understand that the methods and techniques disclosed herein present various steps or actions in an example sequence, and unless otherwise expressly stated, this disclosure is not limited to the specific order or hierarchy presented.

[0125] The above and other aspects and their embodiments are described in more detail in the accompanying drawings, description and claims.

[0126] Figure 1A , Figure 1B and Figure 1C A schematic diagram of PDCCH monitoring according to an embodiment of the present disclosure is shown.

[0127] Figure 2 A schematic diagram of a monitoring method with DRX according to an embodiment of the present disclosure is shown.

[0128] Figure 3 A schematic diagram of a monitoring method with DRX according to an embodiment of the present disclosure is shown.

[0129] Figure 4 A schematic diagram of a monitoring method with DRX according to an embodiment of the present disclosure is shown.

[0130] Figure 5 A schematic diagram of a monitoring method with DRX according to an embodiment of the present disclosure is shown.

[0131] Figure 6 A schematic diagram of a monitoring method with eDRX according to an embodiment of the present disclosure is shown.

[0132] Figure 7 An example of a schematic diagram of a wireless communication terminal according to an embodiment of the present disclosure is shown.

[0133] Figure 8 An example of a schematic diagram of a wireless communication node according to an embodiment of the present disclosure is shown.

[0134] Figure 9 and Figure 10 A flowchart of a wireless communication method according to some embodiments of the present disclosure is shown. Detailed Implementation

[0135] Some aspects of this disclosure are set forth in the following paragraphs, but the disclosure is not limited thereto. Furthermore, unless otherwise expressly stated, the different aspects described below may be combined.

[0136] In some embodiments, certain parameters / configurations may be indicated as follows.

[0137] In some embodiments, drx-onDurationTimer can be the duration at the start of a DRX cycle. Alternatively, it can be the amount of time at the start (DRX ON) of each DRX cycle during which the PDCCH is decoded, prior to entering power-saving mode (DRX OFF).

[0138] In some embodiments, drx-InactivityTimer can be the duration following the PDCCH timing that indicates a new UL or DL ​​transmission for a MAC entity. Alternatively, it can be the period of time during which the UE should be active after successfully decoding the PDCCH indicating a new transmission (uplink (UL) or downlink (DL)). This timer is (re)started when a PDCCH for a new transmission (UL or DL) is received. The value of this timer is configured in milliseconds (subframe level).

[0139] In some embodiments, drx-RetransmissionTimerUL and drx-HARQ-RTT-TimerUL can be used for uplink data retransmission processing. In some embodiments, drx-RetransmissionTimerDL and drx-HARQ-RTT-TimerDL can be used for downlink data retransmission processing.

[0140] In some embodiments, drx-RetransmissionTimerDL can be the maximum duration until a DL retransmission is received.

[0141] In some embodiments, drx-RetransmissionTimerUL can be the maximum duration until an authorization for UL retransmission is received.

[0142] In some embodiments, drx-HARQ-RTT-TimerDL can be the minimum duration before the DL assignment for HARQ retransmission is anticipated by the Media Access Control (MAC) entity.

[0143] In some embodiments, drx-HARQ-RTT-TimerUL can be the minimum duration before the UL HARQ retransmission authorization is anticipated by the MAC entity.

[0144] In some embodiments, ra-ContentionResolutionTimer can be the initial value of a contention resolution timer.

[0145] In some embodiments, msgB-ResponseWindow: a time window for monitoring one or more RA responses.

[0146] In some embodiments, when DRX is configured, the active time of the serving cell in the DRX group includes the following times:

[0147] - The drx-onDurationTimer or drx-InactivityTimer configured for the DRX group is running; or

[0148] -drx-RetransmissionTimerDL or drx-RetransmissionTimerUL is running on any serving cell in the DRX group; or

[0149] -ra-ContentionResolutionTimer or msgB-ResponseWindow is running; or

[0150] - The scheduling request is sent on the Physical Uplink Control Channel (PUCCH) and then suspended; or

[0151] - After successfully receiving a random access response for a random access preamble that was not selected by the MAC entity in a contention-based random access preamble, no new PDCCH indicating a Cell Radio Network Temporary Identifier (C-RNTI) addressed to the MAC entity is received.

[0152] Some aspects of this disclosure are set forth in the following paragraphs, but the disclosure is not limited thereto. Furthermore, unless otherwise expressly stated, the different aspects described below may be combined.

[0153] Aspect 1:

[0154] In some embodiments, one or more configurations for receiving MR monitoring after LP-WUS may include at least one of the following attributes:

[0155] 1. Timer

[0156] In some embodiments, one or more timers from LP-WUS (e.g., for MR monitoring PDCCH) can be reused from the DRX configuration. For example, parameters may include at least one of the following: drx-onDurationTimer, drx-InactivityTimer, drx-RetransmissionTimerDL, drx-RetransmissionTimerUL, drx-HARQ-RTT-TimerDL, and / or drx-HARQ-RTT-TimerUL.

[0157] In some embodiments, one or more timers (e.g., lpwus-onDurationTimer) for the LP-WUS on-duration duration may include at least one of {ms1, ms2, ms3, ms4, ms5, ms6, ms8, ms10, ms20, ms30, ms40, ms50, ms60, ms80, ms100, ms200, ms300, ms400, ms500, ms600, ms800, ms1000, ms1200, ms1600}. In some embodiments, lpwus-onDurationTimer may be the duration at the start of a DRX cycle triggered by LP-WUS. In some embodiments, lpwus-onDurationTimer may be a window or duration triggered by LP-WUS.

[0158] In some embodiments, one or more inactive timers for LP-WUS (e.g., lpwus-InactivityTimer) may include at least one of {ms0, ms1, ms2, ms3, ms4, ms5, ms6, ms8, ms10, ms20, ms30, ms40, ms50, ms60, ms80, ms100, ms200, ms300, ms500, ms750, ms1280, ms1920, ms2560}. In some embodiments, lpwus-InactivityTimer may be the duration following a PDCCH timing that indicates a new UL or DL ​​transmission for a MAC entity. In some embodiments, lpwus-InactivityTimer may be the duration following a PDCCH timing that indicates a new UL or DL ​​transmission in a time slot for a MAC entity. In some embodiments, lpwus-InactivityTimer may be the duration following a PDCCH timing that indicates a new UL or DL ​​transmission in a time slot (e.g., the last time slot of a time window for a MAC entity).

[0159] In some embodiments, one or more downlink retransmission timers (e.g., lpwus-RetransmissionTimerDL) for LP-WUS may include at least one of {sl0, sl1, sl2, sl4, sl6, sl8, sl16, sl24, sl33, sl40, sl64, sl80, sl96, sl112, sl128, s1160, s1320}. In some embodiments, lpwus-RetransmissionTimerDL is the duration until a DL retransmission is received. In some embodiments, lpwus-RetransmissionTimerDL is the maximum duration until a DL retransmission is received. In some embodiments, lpwus-RetransmissionTimerDL is the duration until a DL retransmission is received within a time window / duration triggered by LP-WUS. In some embodiments, lpwus-RetransmissionTimerDL is the duration until a DL retransmission is received based on LP-WUS.

[0160] In some embodiments, one or more uplink retransmission timers for LP-WUS (e.g., lpwus-RetransmissionTimerUL) may include at least one of {sl0, sl1, sl2, sl4, sl6, sl8, sl16, sl24, sl33, sl40, sl64, sl80, sl96, sl112, sl128, s1160, s1320}. In some embodiments, lpwus-RetransmissionTimerUL is the duration until an authorization for UL retransmission is received. In some embodiments, lpwus-RetransmissionTimerUL is the maximum duration until an authorization for UL retransmission is received. In some embodiments, lpwus-RetransmissionTimerDL is the duration until an authorization for UL retransmission is received during a time window / duration triggered by LP-WUS. In some embodiments, lpwus-RetransmissionTimerDL is the duration until an authorization for UL retransmission is received based on LP-WUS.

[0161] In some embodiments, the LP-WUS timer or DRX timer is triggered by LP-WUS, or by LP-WUS in response to a higher-level configuration. For example, the timer may be triggered when LP-WUS is successfully received, or when an LP-WUS indication is received / detected, or based on a time offset / interval / delay. For example, the LP-WUS timer is triggered when a higher parameter is configured and LP-WUS is successfully received or an LP-WUS indication is received / detected. When a higher parameter is not configured or does not indicate the triggering of any LP-WUS timer, the DRX timer is triggered when LP-WUS is successfully received or an LP-WUS indication is received / detected. For example, the DRX or LP-WUS timer may be triggered based on a higher configuration when LP-WUS is successfully received or an LP-WUS indication is received / detected.

[0162] 2. Window or time duration

[0163] In some embodiments, the window or time duration can be determined by LP-WUS indication and / or gNodeB (gNB) configuration. Within the time window or time duration, the UE can monitor the PDCCH.

[0164] In some embodiments, the window or time duration includes an activity time duration, which includes at least one value from a timer used for LP-WUS, or the activity time depends on the timer, for example,

[0165] The activity time used to serve the cell includes the time when the following:

[0166] -lpwus-onDurationTimer or lpwus-InactivityTimer is running; or

[0167] -lpwus-RetransmissionTimerDL or lpwus-RetransmissionTimerUL is running.

[0168] In some embodiments, the gNB is configured with a set of time durations, including at least one of X time units. In some embodiments, X can be taken from a timer used for LP-WUS.

[0169] In some embodiments, the gNB configures a set of time durations, and LP-WUS indicates one of the time durations. For example, the Y bit indicates one of the time durations from the set.

[0170] 3. Offset

[0171] In some embodiments, the offset may indicate the time interval between the active time and LP-WUS, the time interval between the PDCCH timing and LP-WUS, the time interval between DRX and the active time, the time interval between DRX triggered by LP-WUS and the PDCCH timing, and the time interval between LP-WUS and a timer (such as an LP-WUS timer or a DRX timer).

[0172] Figure 1A , Figure 1B and Figure 1C A schematic diagram of an offset according to an embodiment of the present disclosure is shown.

[0173] In some embodiments, the offset value can be INTEGER, for example, from 0 to M, or from 1 to M, where M can be X-1.

[0174] In some embodiments, LP-WUS indicates activation of the next DRX and adjusts the activity time or timer start point with an offset.

[0175] In some embodiments, LP-WUS indicates that the next DRX is activated with an offset following LP-WUS.

[0176] In some embodiments, LP-WUS indicates that the next window or duration is activated with an offset following LP-WUS.

[0177] In some embodiments, LP-WUS uses an offset following LP-WUS to indicate the activity time or PDCCH timing.

[0178] 4. DurationAndOffset

[0179] The parameter DurationAndOffset includes the duration and offset. For example, this parameter can be defined if the offset indicates a time interval based on DRX. The duration refers to the duration DRX is on.

[0180] In some embodiments, if the duration is 10ms, LP-WUS may indicate a value from 0 to 9, and the duration is determined by DRX configuration (e.g., DRX-Config).

[0181] In some embodiments, LP-WUS can indicate the duration of time and an offset, where the offset can be, for example, {1 / 2, 1 / 4, 1 / 8, 1 / 16...} of the duration.

[0182] Used to monitor the activity time of PDCCH

[0183] When LP-WUS is configured (e.g., LP-WUS function or parameters are configured), the active time for serving the cell includes the time when the following items are included:

[0184] - The lpwus-onDurationTimer or lpwus-InactivityTimer configured for the DRX group is running; or

[0185] -lpwus-RetransmissionTimerDL or lpwus-RetransmissionTimerUL is running on any serving cell in the DRX group; or

[0186] -ra-ContentionResolutionTimer or msgB-ResponseWindow is running; or

[0187] - The scheduling request is sent on the PUCCH and then suspended; or

[0188] - After successfully receiving a random access response for a random access preamble that was not selected by the MAC entity in a contention-based random access preamble, no PDCCH indicating a new transmission addressed to the MAC entity was received.

[0189] -LP-WUS enables the duration timer to run for the specified time;

[0190] -LP-WUS inactive timer is running;

[0191] - The time that the LP-WUS retransmission timer for DL ​​is running;

[0192] - The time the LP-WUS retransmission timer for UL is running;

[0193] - The time the LP-WUS HARQ RTT timer for DL ​​is running;

[0194] - The time the LP-WUS HARQ RTT timer is running for UL;

[0195] -DRX enables the duration timer to run for the specified time;

[0196] - The duration during which the DRX inactive timer is running;

[0197] - The time that the DRX retransmission timer for DL ​​is running;

[0198] - The time that the DRX retransmission timer for UL is running;

[0199] The time that -ra-ContentionResolutionTimer is running;

[0200] The time of -msgB-ResponseWindow;

[0201] - The time during which a scheduling request sent on the Physical Uplink Control Channel (PUCCH) is pending;

[0202] - After successfully receiving a random access response for a random access preamble not selected by the MAC entity in a contention-based random access preamble, no PDCCH indicating a new transmission addressing the Media Access Control MAC entity has been received; or

[0203] -Time or duration within PTW.

[0204] In some embodiments, LP-WUS activity time can be based on LP-WUS configuration.

[0205] In some embodiments, DRX activity time can be based on DRX configuration.

[0206] Aspect 2

[0207] Figure 2 A schematic diagram of a monitoring method with DRX according to an embodiment of the present disclosure is shown.

[0208] In some embodiments, the monitoring methods include LP-WUS monitoring and PDCCH monitoring or PO monitoring.

[0209] In some embodiments, such as Figure 2 As shown, when DRX is configured, LP-WUS is monitored outside of the active period. LP-WUS is also monitored during the time interval of the DRX slot offset. LP-WUS is monitored outside of the active period at least once or for a period of time.

[0210] Figure 3 A schematic diagram of a monitoring method with DRX according to an embodiment of the present disclosure is shown.

[0211] In some embodiments, such as Figure 3 As shown, when DRX is configured, LP-WUS is monitored outside of DRX activity time after the offset.

[0212] In some embodiments, always-on monitoring can be configured via gNB configuration, for example, when the parameter indicates 0, or when the parameter is not configured, or when the period equals the duration.

[0213] In some embodiments, always-on monitoring includes continuous monitoring over a period of time or a window. In some embodiments, always-on monitoring includes continuous monitoring at continuous intervals. In some embodiments, always-on monitoring includes continuous monitoring outside of active times. In some embodiments, always-on monitoring includes continuous monitoring outside of active times in connected mode, idle mode, or inactive mode.

[0214] In some embodiments, LP-WUS indicates activation or startup of DRX, DRX configuration, or DRX timer; LP-WUS indicates activation or startup of DRX, DRX configuration, or DRX timer for long DRX periods; LP-WUS indicates activation or startup of DRX, DRX configuration, or DRX timer for short DRX periods; a first LP-WUS indicates activation or startup of long DRX, and a second LP-WUS indicates activation of short DRX; or LP-WUS indicates activation or startup of at least one of long DRX or short DRX based on at least one of PDCCH or Physical Downlink Shared Channel PDSCH.

[0215] In some embodiments, LP-WUS includes indications for activating one or more windows / durations or one or more timers. In this case, LP-WUS is used to activate or trigger a time window / duration to monitor the PDCCH, or to start a timer such as the LP-WUS timer to monitor the PDCCH.

[0216] In some embodiments, LP-WUS includes indications for one or more window / duration activations or one or more timers when higher-layer parameters are configured and Media Access Control Element (MAC) CE signaling or Downlink Control Information (DCI) signaling is received.

[0217] In some embodiments, LP-WUS includes an indication for offset. The offset indicates at least one of the following: a time interval between LP-WUS and a DRX period, the start of a DRX timer, or the start of an LP-WUS timer; a time interval between LP-WUS and PTW; a time interval between LP-WUS and a window; a first offset based on a long DRX and a second offset based on a short DRX; a first offset based on the start of a DRX timer or LP-WUS timer for a long DRX, and a second offset based on the start of a DRX timer or LP-WUS timer for a short DRX; a first offset based on a PTW window, an extended discontinuous reception eDRX period, or a window, and a second offset based on a DRX period, the start of a DRX timer, or the start of an LP-WUS timer.

[0218] In some embodiments, for example, a 1-bit in the LP-WUS indicates the activation of a timer or DRX on_duration. In some embodiments, a 1-bit in the LP-WUS indicates that the UE is monitoring the PDCCH in the next DRX or during the active time in the next DRX.

[0219] like Figure 4 As shown, LP-WUS can be used to activate at least one next DRX. The number of bits in LP-WUS depends on the LongCycle and / or ShortCycle. For example, when the number of bits is X, .

[0220] In some embodiments, for example, when the number of bits is ceil(log2(x)) bits in LP-WUS, , where ceil is the ceil function.

[0221] Aspect 3

[0222] In some embodiments, the relationship between LP-WUS and eDRX is described below. In some embodiments, the power consumption of the UE can be reduced through the configuration described below.

[0223] Figure 6 A schematic diagram of a monitoring method with DRX according to an embodiment of the present disclosure is shown.

[0224] LP-WUS can be configured as follows:

[0225] A first periodicity is applied to a first LP-WUS, and a second periodicity is applied to a second LP-WUS. In some embodiments, the first periodicity is longer than the second periodicity.

[0226] In some embodiments, when the PTW contains at least one DRX cycle, the second LP-WUS configuration is valid or can be activated.

[0227] In some embodiments, the second LP-WUS monitoring is configured within the duration or window of the first LP-WUS configuration.

[0228] In some embodiments, the first periodicity may be at least greater than the DRX period. The second periodicity may not exceed the length of the PTW.

[0229] In some embodiments, the LP-WUS window may have the same length as the PTW. In some embodiments, it may be configured to include the PTW or a DRX within the PTW window.

[0230] In some embodiments, the first periodicity of the LP-WUS window can be the same as the eDRX period.

[0231] In some embodiments, LP-WUS is monitored based on at least one of a first periodicity and a second periodicity. At least one of the first periodicity and the second periodicity satisfies at least one of the following: the second periodicity is applied to a paging time window (PTW) containing at least one DRX cycle; the first periodicity is applied to an extended discontinuous reception (eDRX) cycle; the second periodicity is applied to a short DRX cycle; the first periodicity is applied to a long DRX cycle; the first periodicity is applied to a window; the second periodicity is applied within the window; the first periodicity is applied to a first LP-WUS, and the second periodicity is applied to a second LP-WUS; the first periodicity is applied to a first monitoring search space of the LP-WUS, and the second periodicity is applied to a second monitoring search space of the LP-WUS; or the first periodicity and the second periodicity have a multiple relationship.

[0232] In some embodiments, the first periodicity P1 and the second periodicity P2 have a multiple relationship. For example, P1 = N * P2 or P2 = N * P1, where N is greater than 0.

[0233] In some embodiments, a first periodicity is applied to a first monitoring search space of LP-WUS, and a second periodicity is applied to a second monitoring search space of LP-WUS. For example, periodicity can be configured for different LP-WUS / LP-SS (Low Power Synchronization Signal) monitoring spaces, wherein the monitoring space determines the location for monitoring LP-WUS / LP-SS.

[0234] In some embodiments, a first periodicity is applied to a first LP-WUS and a second periodicity is applied to a second LP-WUS, wherein the first LP-WUS and the second LP-WUS may carry different information, or the first LP-WUS and the second LP-WUS may refer to a synchronization signal and a wake-up signal, or the first LP-WUS and the second LP-WUS may correspond to different formats or monitoring spaces.

[0235] In some embodiments, LP-WUS is monitored in a window that satisfies at least one of the following: the length of the window is equal to the length of the PTW; the window contains the PTW or at least the DRX cycle in the PTW; the window contains at least one time duration; the window is located before the start of the DRX timer or outside the DRX activity time; periodicity is associated with the window; the periodicity of the window is associated with or equal to the periodicity of the extended discontinuous reception eDRX cycle; or there is an offset between the window and the PTW, DRX cycle, eDRX cycle, the start of the DRX timer, the start of the LP-WUS timer, or a time point.

[0236] In some embodiments, LP-WUS satisfies at least one of the following: LP-WUS is monitored outside of the active period; LP-WUS is monitored outside of the DRX active period; LP-WUS is monitored before the start of the DRX timer or the LP-WUS timer; LP-WUS is monitored in PTW; or LP-WUS is monitored outside of the active period or before the active period but in PTW. In some embodiments, LP-WUS also satisfies at least one of the following: LP-WUS is monitored for at least one time duration; or LP-WUS is monitored periodically.

[0237] In some embodiments, the offset between the LP-WUS window and the PTW or DRX period or eDRX period or time point may not be greater than the DRX period.

[0238] Within the window or in the window's parameters, LP-WUS can optionally be configured with at least one of the following properties:

[0239] 1. Second periodicity.

[0240] In some embodiments, the second periodicity is the same as the DRX period. In some embodiments, the second periodicity is greater than or less than the DRX period. In some embodiments, the second periodicity is applied within a window or configured to be associated with a window.

[0241] 2. Timer with duration ON:

[0242] In some embodiments, a timer for duration or enabled duration (e.g., durationON) can be used to allow the UE to monitor one or more LP-WUS within the duration during timer operation. In some embodiments, the duration or timer is applied within a window or configured to be associated with a window.

[0243] 3. Second offset or duration and window:

[0244] In some embodiments, the second offset or duration has the same offset or starting position as the window. In some embodiments, the second offset is applied within the window.

[0245] In some embodiments, the corresponding UE behavior is that the UE receives or monitors one or more LP-WUS according to the configuration described above (e.g., the configuration for monitoring one or more LP-WUS). For example:

[0246] The UE performs always-on monitoring of one or more LP-WUS within the window.

[0247] The UE performs always-on monitoring in the PTW.

[0248] The UE performs always-on monitoring outside of the window and DRX activity time.

[0249] The UE performs always-on monitoring outside of DRX activity time within the PTW, starting from an offset-based time point, where always-on monitoring is configured by the gNB, or can be determined by some configuration, such as when a second periodicity, duration, time, or offset is not configured, or when no parameters in the window are configured.

[0250] The UE performs duty cycle monitoring, wherein the first periodicity is configured, and / or,

[0251] The UE performs duty cycle monitoring based on a window, and optionally a second periodicity is configured.

[0252] Aspect 4

[0253] In some embodiments, the wireless communication method includes a response to LP-WUS functionality being configured or enabled, or LP-WUS being received. In some embodiments, when LP-WUS is configured (e.g., LP-WUS functionality or parameters are configured) and LP-WUS activity time is defined, the latest CSI measurement occurs during the LP-WUS activity time for which CSI is to be reported. For example:

[0254] If the UE is configured with DRX or LP-WUS (e.g., configured with DRX or LP-WUS functionality), there are some possibilities to consider;

[0255] If the UE is configured to monitor downlink control information (DCI) format 2_6 and is configured to report CSI by the higher-layer parameter ps-TransmitOtherPeriodicCSI, where the higher-layer parameter reportConfigType is set to 'periodic' and reportQuantity is set to a quantity other than 'cri-RSRP' and 'ssb-Index-RSRP', then when drx-onDurationTimer in the DRX configuration is not enabled, the latest CSI measurement occurs during DRX active time or during the duration of time indicated by drx-onDurationTimer in the DRX configuration (also outside the DRX active time used for the CSI to be reported).

[0256] If the UE is configured to monitor DCI format 2_6 and is configured to report L1-RSRP by the higher-level parameter ps-TransmitPeriodicL1-RSRP, where the higher-level parameter reportConfigType is set to 'periodic' and reportQuantity is set to cri-RSRP, then when drx-onDurationTimer in the DRX configuration is not enabled, the latest CSI measurement occurs during the DRX active time or during the duration indicated by drx-onDurationTimer in the DRX configuration (also outside the DRX active time used for the CSI to be reported).

[0257] Otherwise, the latest CSI measurement timing occurs during the DRX or LP-WUS activity time for the CSI to be reported.

[0258] In some embodiments, when LP-WUS is configured, the UE is not required to perform CSI-reference signal (RS) resource measurements except during active periods. For example,

[0259] If the UE is configured with DRX or LP-WUS, the UE does not need to perform CSI-RS resource measurements except during the active period when measurements are based on CSI-RS-Resource-Mobility. In some embodiments, when the UE is configured to monitor DCI format 2_6, the UE does not need to perform measurements except during the active period and during the timer duration indicated by drx-onDurationTimer in the DRX configuration (also outside the active period based on CSI-RS-Resource-Mobility).

[0260] In some embodiments, when LP-WUS is configured, the UE may not expect CSI-RS resources to be available outside of the active time period measured based on CSI-RS-Resource-Mobility. For example...

[0261] If the UE is configured with DRX and uses a DRX period greater than 80 msec, or is configured with LP-WUS, the UE may not expect CSI-RS resources to be available outside of the active time period for CSI-RS-Resource-Mobility-based measurements. If the UE is configured with DRX and is configured to monitor DCI format 2_6, and uses a DRX period greater than 80 msec, the UE may not expect CSI-RS resources to be available outside of the active time period and the time duration indicated by drx-onDurationTimer in the DRX configuration (also outside of the active time period for CSI-RS-Resource-Mobility-based measurements). Otherwise, the UE may assume that CSI-RS is available for CSI-RS-Resource-Mobility-based measurements.

[0262] The UE only reports a CSI report if it receives at least one CSI-RS transmission opportunity for channel measurement and one CSI-RS and / or CSI-IM opportunity for interference measurement no later than the LP-WUS activity time of the CSI reference resource. Otherwise, the UE discards the CSI report.

[0263] For example, when DRX is configured, if at least one CSI-RS transmission opportunity for channel measurement and one CSI-RS and / or CSI-IM opportunity for interference measurement are received no later than the DRX activity time or LP-WUS activity time of the CSI reference resource, the UE reports a CSI report. Otherwise, the UE discards the CSI report. When DRX is configured and the CSI-RS resource set for channel measurements corresponding to the CSI report is configured with two resource groups and N resource pairs, the UE reports a CSI report only if at least one CSI-RS transmission opportunity for each CSI-RS resource in the resource pair is received no later than the same DRX activity time or LP-WUS activity time of the CSI reference resource, and otherwise discards the report.

[0264] Some configuration restrictions or UE behavior restrictions may be as follows:

[0265] It is not expected that the UE will receive the configuration of monitoring DCI format 2_6 and LP-WUS at the same time.

[0266] The UE does not monitor one or more LP-WUS during the active period.

[0267] Figure 7Figures relate to a wireless communication terminal 30 according to embodiments of the present disclosure. The wireless communication terminal 30 may be a tag, mobile phone, laptop computer, tablet computer, e-book reader, or portable computer system, and is not limited herein. The wireless communication terminal 30 may be used to implement the UE described in this disclosure. The wireless communication terminal 30 may include a processor 300 (such as a microprocessor or application-specific integrated circuit (ASIC)), a storage unit 310, and a communication unit 320. The storage unit 310 may be any data storage device storing program code 312, which is accessed and executed by the processor 300. Embodiments of the stored code 312 include, but are not limited to, a subscriber identity module (SIM), read-only memory (ROM), flash memory, random-access memory (RAM), hard disk, and optical data storage devices. The communication unit 320 may be a transceiver and is used to transmit and receive signals (e.g., messages or data packets) based on the processing results of the processor 300. In embodiments, the communication unit 320 transmits and receives signals via at least one antenna 322 or via wiring.

[0268] In this embodiment, storage unit 310 and program code 312 may be omitted, and processor 300 may include storage unit with stored program code.

[0269] The processor 300 may, for example, execute program code 312 on the wireless communication terminal 30, any of the steps in the embodiments shown.

[0270] The communication unit 320 may be a transceiver. The communication unit 320 may serve as an alternative to or in combination with the transmitting and receiving units, and may be configured to transmit signals to and receive signals from the wireless communication node, respectively.

[0271] In some embodiments, the wireless communication terminal 30 can be used to perform the operations of the UE described in this disclosure. In some embodiments, the processor 300 and the communication unit 320 cooperate to perform the operations described in this disclosure. For example, the processor 300 performs operations and transmits or receives signals, messages and / or information through the communication unit 320.

[0272] Figure 8The diagram relates to a wireless communication node 40 according to embodiments of the present disclosure. The wireless communication node 40 may be a satellite, base station (BS), gNB, network entity, Domain Name System (DNS) server, Mobility Management Entity (MME), Serving Gateway (S-GW), Packet Data Network (PDN) Gateway (P-GW), radio access network (RAN), next-generation RAN (NG-RAN), data network, core network, a communication node in the core network, or Radio Network Controller (RNC), and is not limited thereto. Additionally, the wireless communication node 40 may include (perform) at least one network function, such as access and mobility management function (AMF), session management function (SMF), user place function (UPF), policy control function (PCF), application function (AF), etc. The wireless communication node 40 may be used to implement the gNB described in this disclosure. Wireless communication node 40 may include processor 400 (such as a microprocessor or ASIC), storage unit 410, and communication unit 420. Storage unit 410 may be any data storage device storing program code 412, which is accessed and executed by processor 400. Examples of storage unit 412 include, but are not limited to, SIM, ROM, flash memory, RAM, hard disk, and optical data storage devices. Communication unit 420 may be a transceiver and is used to transmit and receive signals (e.g., messages or data packets) based on the processing results of processor 400. In embodiments, communication unit 420 transmits and receives signals via at least one antenna 422 or via wiring.

[0273] In this embodiment, the storage unit 410 and the program code 412 may be omitted. The processor 400 may include a storage unit containing stored program code.

[0274] The processor 400 may, for example, execute program code 412 on the wireless communication node 40 any of the steps described in the embodiments.

[0275] The communication unit 420 may be a transceiver. The communication unit 420 may serve as an alternative to or in combination with the transmitting and receiving units, and may be configured to transmit and receive signals, messages, or information to and from the wireless communication node or wireless communication terminal, respectively.

[0276] In some embodiments, the wireless communication node 40 can be used to perform the operations of the gNB described in this disclosure. In some embodiments, the processor 400 and the communication unit 420 cooperate to perform the operations described in this disclosure. For example, the processor 400 performs operations and transmits or receives signals through the communication unit 420.

[0277] According to embodiments of this disclosure, a wireless communication method is also provided. In embodiments, the wireless communication method can be executed using a wireless communication terminal (e.g., a UE). In embodiments, the wireless communication terminal can be implemented using the wireless communication terminal 30 described in this disclosure, but is not limited thereto.

[0278] refer to Figure 9 In one embodiment, the wireless communication method includes: LP-WUS monitoring the physical downlink control channel, PDCCH, during its active period, at least based on a low-power wake-up signal, by a wireless communication terminal.

[0279] The details in this regard can be found in the paragraphs above, and will not be repeated here.

[0280] According to embodiments of this disclosure, another wireless communication method is also provided. In embodiments, the wireless communication method can be implemented using a wireless communication node (e.g., a gNB). In embodiments, the wireless communication node can be implemented using the wireless communication node 40 described in this disclosure, but is not limited thereto.

[0281] refer to Figure 10 In one embodiment, the wireless communication method includes: transmitting a low-power wake-up signal, LP-WUS, from a wireless communication node to a wireless communication terminal to instruct the wireless communication terminal to monitor the physical downlink control channel, PDCCH, during the active period.

[0282] The details in this regard can be found in the paragraphs above, and will not be repeated here.

[0283] In some embodiments, the wireless communication terminal used in this disclosure may refer to the UE described above.

[0284] In some embodiments, the wireless communication node used in this disclosure may refer to the gNB described above.

[0285] While various embodiments of this disclosure have been described above, it should be understood that they are presented by way of example only and not by way of limitation. Similarly, various figures may depict exemplary architectures or configurations provided to enable those skilled in the art to understand the exemplary features and functionality of this disclosure. However, such persons will understand that this disclosure is not limited to the exemplary architectures or configurations shown, but can be implemented using various alternative architectures and configurations. Furthermore, as those skilled in the art will understand, one or more features of one embodiment may be combined with one or more features of another embodiment described herein. Therefore, the breadth and scope of this disclosure should not be limited by any of the exemplary embodiments described above.

[0286] It should be understood that in this disclosure, the term "and / or" or the symbol " / " can include any and all combinations of one or more of the associated listed items. For example, A and / or B and / or C includes any and all combinations of one or more of A, B, and C, including combinations of A, B, C, A and B, A and C, B and C, and A and B and C. Similarly, A / B / C includes any and all combinations of one or more of A, B, and C, including combinations of A, B, C, A and B, A and C, B and C, and A and B and C.

[0287] It should also be understood that any reference to elements in this document using names such as "first," "second," and the like generally does not restrict the number or order of these elements. Rather, these names may be used as a convenient means of distinguishing two or more elements or instances of elements. Therefore, a reference to the first element and the second element does not imply that only two elements can be used, or that the first element must somehow precede the second element.

[0288] Furthermore, those skilled in the art will understand that information and signals can be represented using any of a variety of different techniques and skills. For example, data, instructions, commands, information, signals, bits, and symbols referenced in the above description can be represented by voltage, current, electromagnetic waves, magnetic fields or particles, light fields or particles, or any combination thereof.

[0289] Those skilled in the art will further recognize that any of the various illustrative logic blocks, units, processors, devices, circuits, methods, and functions described in conjunction with the aspects disclosed herein can be implemented by electronic hardware (e.g., digital implementation, analog implementation, or a combination thereof), firmware, various forms of program or design code containing instructions (which may be referred to herein as "software" or "software unit"), or any combination of these techniques.

[0290] To clearly illustrate this interchangeability of hardware, firmware, and software, various illustrative components, blocks, units, circuits, and steps have been described above in general terms of their functionality. Whether this functionality is implemented as hardware, firmware, software, or a combination of these technologies depends on the specific application and the design constraints imposed on the system as a whole. Those skilled in the art can implement the described functionality in various ways for each specific application, but such implementation decisions will not depart from the scope of this disclosure. According to various embodiments, processors, devices, components, circuits, structures, machines, units, etc., can be configured to perform one or more of the functions described herein. As used herein with respect to a specified operation or function, the terms "configured as" or "configured for" refer to processors, devices, components, circuits, structures, machines, units, etc., that are physically constructed, programmed, and / or arranged to perform the specified operation or function.

[0291] Furthermore, those skilled in the art will understand that the various illustrative logic blocks, cells, devices, components, and circuits described herein can be implemented within or performed by an integrated circuit (IC), which may include a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic device, or any combination thereof. Logic blocks, modules, and circuits may also include antennas and / or transceivers for communicating with various components within a network or device. A general-purpose processor may be a microprocessor, but alternatively, the processor may be any conventional processor, controller, or state machine. The processor may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors combined with a DSP core, or any other suitable configuration to perform the functions described herein. If implemented in software, the functions may be stored as one or more instructions or code on a computer-readable medium. Therefore, the steps of the methods or algorithms disclosed herein can be implemented as software stored on a computer-readable medium.

[0292] Computer-readable media include computer storage media and communication media, encompassing any medium that enables the transfer of computer programs or code from one place to another. Storage media can be any available medium that is accessible to a computer. By way of example and not limitation, such computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disc storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store desired program code in the form of instructions or data structures and that is accessible to a computer.

[0293] In this document, as used herein, the term "unit" refers to software, firmware, hardware, and any combination of such elements for performing the associated functions described herein. Furthermore, for purposes of discussion, various units are described as discrete units; however, it will be apparent to those skilled in the art that two or more units may be combined to form a single unit performing the associated functions according to embodiments of this disclosure.

[0294] Additionally, memory or other storage devices and communication components may be employed in the embodiments of this disclosure. It will be understood that, for clarity, the foregoing description has referenced various functional units and processors in describing embodiments of this disclosure. However, it will be apparent that any suitable functional distribution among different functional units, processing logic elements, or domains may be used without departing from this disclosure. For example, functions shown to be performed by a separate processing logic element or controller may be performed by the same processing logic element or controller. Therefore, references to specific functional units are merely references to suitable means for providing the described functions and not indications of a strict logical or physical structure or organization.

[0295] Various modifications to the embodiments described in this disclosure will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the scope of the claims. Therefore, this disclosure is not intended to be limited to the embodiments shown herein, but is to be given the broadest scope consistent with the novel features and principles disclosed herein, as set forth in the following claims.

Claims

1. A wireless communication method, comprising: The wireless communication terminal monitors the physical downlink control channel (PDCCH) during the active period, based at least on the low-power wake-up signal LP-WUS.

2. The wireless communication method according to claim 1, wherein, The activity time is determined by the LP-WUS timer or the discontinuous reception DRX timer. The LP-WUS activity time is determined by the LP-WUS timer. The DRX activity time is determined by the DRX timer.

3. The wireless communication method according to claim 2, wherein, The DRX timer includes at least one of the following: DRX enables duration timer; DRX inactive timer; DRX retransmission timer used for downlink DL; DRX retransmission timer for uplink UL; DRX Hybrid Automatic Repeat Request (HARQ) Round-Trip Time (RTT) timer for DL; or DRX HARQ RTT timer for UL.

4. The wireless communication method according to claim 2 or 3, wherein, The LP-WUS timer includes at least one of the following: LP-WUS enables duration timer. LP-WUS inactive timer LP-WUS retransmission timer used for downlink DL, or LP-WUS retransmission timer for uplink UL; LP-WUS HARQ RTT timer for DL; or LP-WUS HARQ RTT timer for UL.

5. The wireless communication method according to any one of claims 2 to 4, wherein, The LP-WUS timer or DRX timer is triggered by the LP-WUS, or by the LP-WUS in response to a higher-level configuration.

6. The wireless communication method according to any one of claims 1 to 5, wherein, The activity time includes at least one of the following: The duration during which the LP-WUS start-up timer is running; The duration during which the LP-WUS inactive timer is running; The time when the LP-WUS retransmission timer for DL ​​is running; The time that the LP-WUS retransmission timer for UL is running; The time when the LP-WUS HARQ RTT timer used for DL ​​is running; The running time of the LP-WUS HARQ RTT timer used by UL; DRX enables the duration of the timer's operation; The time that the DRX inactive timer is running; The time that the DRX retransmission timer for DL ​​is running; The time that the DRX retransmission timer for UL is running; The running time of ra-ContentionResolutionTimer; The duration of msgB-ResponseWindow; The time during which a scheduling request sent on the Physical Uplink Control Channel (PUCCH) is pending; After successfully receiving a random access response for a random access preamble not selected by the MAC entity in a contention-based random access preamble, the time after which no PDCCH indicating a new transmission addressing the Cell Radio Network Temporary Identifier (C-RNTI) to the Media Access Control (MAC) entity is received; or The time within PTW or a period of time within PTW.

7. The wireless communication method according to any one of claims 1 to 6, wherein, The LP-WUS is monitored based on at least one of the following: Periodicity Duration of time, or Offset.

8. The wireless communication method according to claim 7, wherein, The periodicity used to determine LP-WUS monitoring is equal to or correlated with the DRX periodicity, or is determined based on the DRX periodicity.

9. The wireless communication method according to claim 7 or 8, wherein, The offset indication used to determine the LP-WUS monitoring is at least one of the following: The time interval between the start of the LP-WUS and DRX timers; The time interval between the start of the LP-WUS and the LP-WUS timer; The time interval between the LP-WUS and the start of the DRX timer for long DRX cycles; The time interval between the LP-WUS and the start of the DRX timer for short DRX cycles; The time interval between the LP-WUS and DRX durations or cycles; The time interval between the LP-WUS and the next DRX duration or cycle; The time interval between the LP-WUS and the long DRX duration or period; The time interval between the LP-WUS and the short DRX duration or period; or The time interval between LP-WUS and PTW.

10. The wireless communication method according to claim 9, wherein, The duration of DRX is determined by the DRX activity time or the DRX timer.

11. The wireless communication method according to any one of claims 1 to 10, in, The LP-WUS includes indications for one or more DRX activations or one or more DRX timers.

12. The wireless communication method according to claim 11, wherein, The LP-WUS satisfies at least one of the following: The LP-WUS indicator is used to activate or start DRX, DRX configuration, or DRX timer; The LP-WUS indicator activates or starts DRX, DRX configuration, or DRX timer for long DRX cycles; The LP-WUS indicator activates or starts DRX, DRX configuration, or DRX timer for short DRX cycles; The first LP-WUS instruction activates or initiates a long DRX, and the second LP-WUS activates a short DRX; or The LP-WUS instruction activates or initiates at least one of the long DRX or short DRX based on at least one of the PDCCH or the Physical Downlink Shared Channel PDSCH.

13. The wireless communication method according to any one of claims 1 to 12, further comprising configuring higher-layer parameters and receiving Media Access Control-Control Element (MAC CE) signaling or Downlink Control Information (DCI) signaling.

14. The wireless communication method according to any one of claims 1 to 13, wherein, The LP-WUS includes an indication of the offset.

15. The wireless communication method according to claim 14, wherein, The offset indicates at least one of the following: The time interval between the LP-WUS and DRX periods, the start of the DRX timer, or the start of the LP-WUS timer; The time interval between LP-WUS and PTW; The time interval between the LP-WUS and the window; A first offset based on the long DRX and a second offset based on the short DRX; A first offset based on the start of the DRX timer or LP-WUS timer for long DRX, and a second offset based on the start of the DRX timer or LP-WUS timer for short DRX; The first offset is based on the PTW window, the extended discontinuous reception eDRX period, or the window, and the second offset is based on the DRX period, the start of the DRX timer, or the start of the LP-WUS timer.

16. The wireless communication method according to any one of claims 1 to 15, wherein, The timing of LP-WUS used to monitor the LP-WUS is either before or associated with the DRX cycle.

17. The wireless communication method according to any one of claims 1 to 16, wherein, The LP-WUS is monitored based on at least one of a first periodicity and a second periodicity.

18. The wireless communication method according to claim 17, wherein, At least one of the first periodicity and the second periodicity satisfies at least one of the following: The second periodicity is applied to a paging time window PTW that includes at least one DRX cycle; The first periodicity is applied to extend the discontinuous reception eDRX period; The second periodicity is applied to short DRX periods; The first periodicity is applied to long DRX periods; The first periodicity is applied to the window; The second periodicity is applied within the window; The first periodicity is applied to the first LP-WUS, and the second periodicity is applied to the second LP-WUS; The first periodicity is applied to the first monitoring search space of the LP-WUS, and the second periodicity is applied to the second monitoring search space of the LP-WUS; or The first periodicity and the second periodicity have a multiple relationship.

19. The wireless communication method according to any one of claims 1 to 18, wherein, The LP-WUS is monitored in a window, and the window satisfies at least one of the following: The length of the window is equal to the length of the PTW; The window contains the PTW or at least the DRX cycle in the PTW; The window contains at least one time duration; The window is located before the start of the DRX timer or outside of the DRX activity period; Periodicity is associated with the window; The periodicity of the window is associated with or equal to the periodicity of the extended discontinuous reception eDRX period; or There is an offset between the window and the PTW, DRX cycle, eDRX cycle, the start of the DRX timer, the start of the LP-WUS timer, or a specific time point.

20. The wireless communication method according to any one of claims 1 to 19, wherein, The LP-WUS satisfies at least one of the following: The LP-WUS was monitored outside of the activity period; The LP-WUS was monitored outside of DRX activity periods; The LP-WUS is monitored before the start of the DRX timer or the LP-WUS timer; The LP-WUS is monitored in the PTW; or The LP-WUS is monitored outside the activity time or before the activity time but in the PTW.

21. The wireless communication method according to claim 20, wherein, The LP-WUS also satisfies at least one of the following: The LP-WUS is monitored for at least one time duration; or The LP-WUS is monitored periodically.

22. The wireless communication method according to any one of claims 1 to 21, further comprising at least one of the following: The wireless communication terminal reports the most recent Channel State Information (CSI) based on the latest CSI measurement timing that occurs during the activity period; The wireless communication terminal performs channel state information reference signal (CSI-RS) measurement during the activity time; The wireless communication terminal is not required to perform Channel State Information Reference Signal (CSI-RS) measurements outside of active time; The wireless communication terminal expects CSI-RS resources to be available during the activity period; The wireless communication terminal does not expect CSI-RS resources to be available outside of active hours; In response to receiving at least one of a CSI-RS transmission timing for channel measurement and a CSI-RS or CSI-IM timing for interference measurement or channel state information interference measurement within an activity time no later than that of the CSI reference resource, the wireless communication terminal reports a CSI report. If at least one of the CSI-RS transmission timing for channel measurement and the CSI-RS or CSI-IM timing for interference measurement is not received within the LP-WUS activity time no later than the CSI reference resource, the wireless communication terminal discards the CSI report. In response to receiving at least one CSI-RS transmission for each CSI-RS resource in the resource pair no later than the active time of the CSI reference resource, the wireless communication terminal reports a CSI report; In response to a situation where no CSI-RS transmission is received for each CSI-RS resource in the resource pair no later than the active time of the CSI reference resource, the wireless communication terminal discards the CSI report; The wireless communication terminal does not expect to receive configurations for monitoring DCI format 2_6 and LP-WUS simultaneously; or The wireless communication terminal is not required to monitor the LP-WUS during the activity period.

23. The wireless communication method according to claim 22, wherein, The LP-WUS function is configured or enabled, or the LP-WUS is received.

24. A wireless communication method, comprising: The wireless communication node transmits a low-power wake-up signal LP-WUS to the wireless communication terminal to instruct the wireless communication terminal to monitor the physical downlink control channel PDCCH during the active period.

25. The wireless communication method according to claim 24, wherein, The activity time is determined by the LP-WUS timer or the discontinuous reception DRX timer. The LP-WUS activity time is determined by the LP-WUS timer. The DRX activity time is determined by the DRX timer.

26. The wireless communication method according to claim 25, wherein, The DRX timer includes at least one of the following: DRX enables duration timer; DRX inactive timer; DRX retransmission timer used for downlink DL; DRX retransmission timer for uplink UL; DRX Hybrid Automatic Repeat Request (HARQ) Round-Trip Time (RTT) timer for DL; or DRX HARQ RTT timer for UL.

27. The wireless communication method according to claim 25 or 26, wherein, The LP-WUS timer includes at least one of the following: LP-WUS enables duration timer. LP-WUS inactive timer LP-WUS retransmission timer used for downlink DL, or LP-WUS retransmission timer for uplink UL; LP-WUS HARQ RTT timer for DL; or LP-WUS HARQ RTT timer for UL.

28. The wireless communication method according to any one of claims 25 to 27, wherein, The LP-WUS timer or DRX timer is triggered by the LP-WUS, or by the LP-WUS in response to a higher-level configuration.

29. The wireless communication method according to any one of claims 24 to 28, wherein, The activity time includes at least one of the following: The duration during which the LP-WUS start-up timer is running; The duration during which the LP-WUS inactive timer is running; The time when the LP-WUS retransmission timer for DL ​​is running; The time that the LP-WUS retransmission timer for UL is running; The time when the LP-WUS HARQ RTT timer used for DL ​​is running; The running time of the LP-WUS HARQ RTT timer used by UL; DRX enables the duration of the timer's operation; The time that the DRX inactive timer is running; The time that the DRX retransmission timer for DL ​​is running; The time that the DRX retransmission timer for UL is running; The running time of ra-ContentionResolutionTimer; The duration of msgB-ResponseWindow; The time during which scheduling requests sent on the physical uplink control channel (PUCCH) are suspended; After successfully receiving a random access response for a random access preamble not selected by the MAC entity in a contention-based random access preamble, the time after which no PDCCH indicating a new transmission addressing the Media Access Control MAC entity's Cell Radio Network Temporary Identifier (C-RNTI) is received; or The time or period within PTW.

30. The wireless communication method according to any one of claims 24 to 29, wherein, The LP-WUS is monitored based on at least one of the following: Periodicity Duration of time, or Offset.

31. The wireless communication method according to claim 30, wherein, The periodicity used to determine LP-WUS monitoring is equal to or correlated with the DRX periodicity, or is determined based on the DRX periodicity.

32. The wireless communication method according to claim 30 or 31, wherein, The offset indication used to determine the LP-WUS monitoring is at least one of the following: The time interval between the start of the LP-WUS and DRX timers; The time interval between the start of the LP-WUS and the LP-WUS timer; The time interval between the LP-WUS and the start of the DRX timer for long DRX cycles; The time interval between the LP-WUS and the start of the DRX timer for short DRX cycles; The time interval between the LP-WUS and DRX durations or cycles; The time interval between the LP-WUS and the next DRX duration or cycle; The time interval between the LP-WUS and the long DRX duration or period; The time interval between the LP-WUS and the short DRX duration or period; or The time interval between LP-WUS and PTW.

33. The wireless communication method according to claim 32, wherein, The duration of DRX is determined by the DRX activity time or the DRX timer.

34. The wireless communication method according to any one of claims 24 to 33, in, The LP-WUS includes indications for one or more DRX activations or one or more DRX timers.

35. The wireless communication method according to claim 34, wherein, The LP-WUS satisfies at least one of the following: The LP-WUS indicator is used to activate or start DRX, DRX configuration, or DRX timer; The LP-WUS indicator activates or starts DRX, DRX configuration, or DRX timer for long DRX cycles; The LP-WUS indicator activates or starts DRX, DRX configuration, or DRX timer for short DRX cycles; The first LP-WUS instruction activates or initiates a long DRX, and the second LP-WUS activates a short DRX; or The LP-WUS instruction activates or initiates at least one of the long DRX or short DRX based on at least one of the PDCCH or the Physical Downlink Shared Channel PDSCH.

36. The wireless communication method according to any one of claims 24 to 35, wherein, Configure higher-level parameters to receive Media Access Control - Control Element (MAC CE) signaling or Downlink Control Information (DCI) signaling.

37. The wireless communication method according to any one of claims 24 to 36, wherein, The LP-WUS includes an indication of the offset.

38. The wireless communication method according to claim 37, wherein, The offset indicates at least one of the following: The time interval between the LP-WUS and DRX periods, the start of the DRX timer, or the start of the LP-WUS timer; The time interval between LP-WUS and PTW; The time interval between the LP-WUS and the window; A first offset based on the long DRX and a second offset based on the short DRX; A first offset based on the start of the DRX timer or LP-WUS timer for long DRX, and a second offset based on the start of the DRX timer or LP-WUS timer for short DRX; The first offset is based on the PTW window, the extended discontinuous reception eDRX period, or the window, and the second offset is based on the DRX period, the start of the DRX timer, or the start of the LP-WUS timer.

39. The wireless communication method according to any one of claims 24 to 38, wherein, The timing of LP-WUS used to monitor the LP-WUS is either before or associated with the DRX cycle.

40. The wireless communication method according to any one of claims 24 to 39, wherein, The LP-WUS is monitored based on at least one of a first periodicity and a second periodicity.

41. The wireless communication method according to claim 40, wherein, At least one of the first periodicity and the second periodicity satisfies at least one of the following: The second periodicity is applied to a paging time window PTW that includes at least one DRX cycle; The first periodicity is applied to extend the discontinuous reception eDRX period; The second periodicity is applied to short DRX periods; The first periodicity is applied to long DRX periods; The first periodicity is applied to the window; The second periodicity is applied within the window; The first periodicity is applied to the first LP-WUS, and the second periodicity is applied to the second LP-WUS; The first periodicity is applied to the first monitoring search space of the LP-WUS, and the second periodicity is applied to the second monitoring search space of the LP-WUS; or The first periodicity and the second periodicity have a multiple relationship.

42. The wireless communication method according to any one of claims 24 to 41, wherein, The LP-WUS is monitored in a window, and the window satisfies at least one of the following: The length of the window is equal to the length of the PTW; The window contains the PTW or at least the DRX cycle in the PTW; The window contains at least one time duration; The window is located before the start of the DRX timer or outside of the DRX activity period; Periodicity is associated with the window; The periodicity of the window is associated with or equal to the periodicity of the extended discontinuous reception eDRX period; or There is an offset between the window and the PTW, DRX cycle, eDRX cycle, the start of the DRX timer, the start of the LP-WUS timer, or a specific time point.

43. The wireless communication method according to any one of claims 24 to 42, wherein, The LP-WUS satisfies at least one of the following: The LP-WUS was monitored outside of the activity period; The LP-WUS was monitored outside of DRX activity periods; The LP-WUS is monitored before the start of the DRX timer or the LP-WUS timer; The LP-WUS is monitored in the PTW; or The LP-WUS is monitored outside the activity time or before the activity time but in the PTW.

44. The wireless communication method according to claim 43, wherein, The LP-WUS also satisfies at least one of the following: The LP-WUS is monitored for at least one time duration; or The LP-WUS is monitored periodically.

45. The wireless communication method according to any one of claims 24 to 44, further comprising at least one of the following: The wireless communication terminal reports the most recent Channel State Information (CSI) based on the latest CSI measurement timing that occurs during the activity period; The wireless communication terminal performs channel state information reference signal (CSI-RS) measurement during the activity time; The wireless communication terminal is not required to perform Channel State Information Reference Signal (CSI-RS) measurements outside of active time; The wireless communication terminal expects CSI-RS resources to be available during the activity period; The wireless communication terminal does not expect CSI-RS resources to be available outside of active hours; In response to receiving at least one of a CSI-RS transmission timing for channel measurement and a CSI-RS or CSI-IM timing for interference measurement or channel state information interference measurement within an activity time no later than that of the CSI reference resource, the wireless communication terminal reports a CSI report. If at least one of the CSI-RS transmission timing for channel measurement and the CSI-RS or CSI-IM timing for interference measurement is not received within the LP-WUS activity time no later than the CSI reference resource, the wireless communication terminal discards the CSI report. In response to receiving at least one CSI-RS transmission opportunity for each CSI-RS resource in the resource pair no later than the activity time of the CSI reference resource, the wireless communication terminal reports a CSI report; In response to the absence of at least one CSI-RS transmission for each CSI-RS resource in the resource pair within the activity time no later than that of the CSI reference resource, the wireless communication terminal discards the CSI report; The wireless communication terminal does not expect to receive configurations for monitoring DCI format 2_6 and LP-WUS simultaneously; or The wireless communication terminal is not required to monitor the LP-WUS during the activity period.

46. ​​The wireless communication method according to claim 45, wherein, The LP-WUS function is configured or enabled, or the LP-WUS is received.

47. The wireless communication method according to any one of claims 24 to 46, wherein, The wireless communication node is configured with a set of time durations, and the activity time is selected from the set of time durations.

48. The wireless communication method according to any one of claims 24 to 47, wherein, The wireless communication node configures a set of time durations, and the LP-WUS indicates the time durations in the set of time durations as the activity time.

49. The wireless communication method according to any one of claims 24 to 48, wherein, The LP-WUS is monitored based on the configuration of the wireless communication node.

50. A wireless communication terminal, comprising: Communication unit; and The processor is configured to monitor the physical downlink control channel (PDCCH) during the active time via the communication unit, at least based on the low-power wake-up signal LP-WUS.

51. The wireless communication terminal according to claim 50, wherein, The processor is also configured to perform the wireless communication method according to any one of claims 2 to 23.

52. A wireless communication node, comprising: Communication unit; and The processor is configured to transmit a low-power wake-up signal LP-WUS to the wireless communication terminal via the communication unit to instruct the wireless communication terminal to monitor the physical downlink control channel PDCCH during the active time.

53. The wireless communication node according to claim 52, wherein, The processor is also configured to perform the wireless communication method according to any one of claims 25 to 49.

54. A computer program product comprising computer-readable program medium code stored thereon, the code, when executed by a processor, causing the processor to perform the wireless communication method according to any one of claims 1 to 49.