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CN-122029894-A - Methods, apparatus and computer program products for wireless communication

CN122029894ACN 122029894 ACN122029894 ACN 122029894ACN-122029894-A

Abstract

A wireless communication method is disclosed. The method includes receiving, by a wireless communication terminal, one or more wake-up signals from a wireless communication node for waking up, and monitoring, by the wireless communication terminal, one or more paging early indications PEI, paging occasions PO, or physical downlink control channels PDCCHs associated with the one or more wake-up signals.

Inventors

  • NIU LI
  • LU TING
  • GAO YUAN
  • DAI BO

Assignees

  • 中兴通讯股份有限公司

Dates

Publication Date
20260512
Application Date
20231027

Claims (20)

  1. 1. A method of wire communication, comprising: receiving one or more wake-up signals from the wireless communication node by the wireless communication terminal, and Monitoring, by the wireless communication terminal, one or more paging early indications PEI, paging occasions PO, or physical downlink control channel PDCCH associated with the one or more wake-up signals.
  2. 2. The wireless communication method of claim 1, wherein the wireless communication terminal performs at least one of: continuously or periodically monitoring the one or more wake-up signals during a discontinuous reception, DRX, inactivity time or a cell discontinuous transmission, DTX, inactivity time; monitoring the one or more wake-up signals carrying sub-packet identities indicating sub-packets of the user equipment UE during DRX inactivity time; During a cell DTX inactive time, monitoring the one or more wake-up signals at an offset before an end time of the cell DTX inactive time or a start time of the cell DTX active time; Monitoring, during a cell DRX inactivity time, the one or more wake-up signals at an offset before an end time of the cell DRX inactivity time or before a start time of the cell DRX activity time; monitoring the one or more wake-up signals carrying an indication indicating whether the UE is awake or whether a cell DTX on duration timer is started during a cell DTX inactivity time, or During a cell DRX inactivity time, the one or more wake-up signals carrying an indication indicating whether the UE is awake or whether a cell DRX on duration timer is started are monitored.
  3. 3. The wireless communication method according to claim 1 or 2, wherein after waking up, the wireless communication terminal performs at least one of the following operations: determining that the configured semi-persistent scheduling (SPS) time is valid, and receiving an SPS message; Measuring a synchronization signal/physical broadcast channel block SSB and a channel state information reference signal CSI-RS; monitoring a PDCCH or receiving a physical downlink shared channel PDSCH; starting an on duration timer and monitoring a PDCCH during operation of the on duration timer; shifting the start time of the on duration timer by an offset; extending the length of the on duration timer by an offset; starting a DRX inactivity timer or a first timer, and monitoring PDCCH during operation of the DRX inactivity timer or the first timer; Starting a cell DTX on duration timer; Starting a cell DRX on duration timer; determining that the configured authorized CG time is valid, and sending an SPS message; determining that the Scheduling Request (SR) time is effective, and sending the SR; Determining that the PUCCH time is effective, and transmitting the PUCCH; determining that PRACH timing is valid and transmitting PRACH, or And transmitting a Physical Uplink Shared Channel (PUSCH).
  4. 4. A wireless communication method according to any of claims 1 to 3, wherein the relationship between the one or more wake up signals and the one or more PEI or PO is determined based on at least one of: Configuration of the number of PEIs corresponding to the same wake-up signal; a configuration of a time offset between the one or more wake-up signals and the corresponding PEI or PO; the configuration of the period of the one or more wake up signals and the mapping relation between the one or more wake up signals and the corresponding PEI or PO, wherein the mapping relation is determined based on the DRX period, the period of the one or more wake up signals, paging frames or radio frames.
  5. 5. The wireless communication method of any of claims 1-4, wherein the one or more wake signals comprise one or more sets of wake signals, and a relationship between the one or more sets of wake signals and the one or more PEIs or POs is determined based on at least one of: Configuration of one or more sets of periods of wake up signals, frequency or time resources of the one or more wake up signals and mapping relation between a set of wake up signals and corresponding PEI or PO, wherein the mapping relation is determined based on DRX period, period of the one or more wake up signals, paging frame or radio frame, or The number of the one or more groups of wake-up signals in a period of the one or more wake-up signals determined by a frequency or time resource of the one or more wake-up signals.
  6. 6. The wireless communication method of any of claims 1-5, wherein the one or more wake signals comprise one or more sets of wake signals, each set of wake signals comprising one or more portions of a wake signal, and a relationship between one or more portions of the wake signals and the one or more PEIs or POs is determined based on a configuration of a period of the one or more sets of wake signals, frequency or time resources of the one or more wake signals, and a total number of the one or more portions of wake signals.
  7. 7. The wireless communication method of any of claims 1-6, wherein the wireless communication terminal wakes up in response to the sub-packet ID of the one or more wake-up signals matching a first sub-packet ID configuration of the wireless communication terminal and monitors the corresponding PO in response to the received sub-packet ID of the PEI matching a second sub-packet ID configuration of the wireless communication terminal.
  8. 8. The wireless communication method of claim 7, wherein the first sub-packet ID configuration and the second sub-packet ID configuration satisfy at least one of: The second sub-packet ID configuration is determined based on sub-packets controlled by the core network CN, and the first sub-packet ID configuration is determined based on the number of mappings of one or more sub-packets of the wake-up signal; the second sub-packet ID configuration is determined based on a total number of sub-packets of the one or more PEIs and the CN-controlled sub-packets, and the first sub-packet ID configuration is determined based on a total number of sub-packets of the one or more sub-packets of the wake-up signal; The second sub-packet ID configuration is determined from a UE ID-based sub-packet and the first sub-packet ID configuration is determined based on a mapped number of one or more sub-packets of the wake-up signal; The second sub-packet ID configuration is determined based on a total number of sub-packets of the UE ID sub-packets and the one or more PEIs, and the first sub-packet ID configuration is determined based on a total number of sub-packets of the one or more sub-packets of the wake-up signal; The first sub-packet ID configuration is determined based on CN controlled sub-packets and the second sub-packet ID configuration is determined based on UE ID sub-packets, or The first sub-packet ID configuration is determined based on a UE ID sub-packet and the second sub-packet ID configuration is determined based on a CN controlled sub-packet.
  9. 9. The wireless communication method according to any one of claims 1 to 8, wherein the wireless communication terminal receives at least one of: Including an indication of the first sub-packet ID configuration of sub-packets supporting CN control, a configuration of a total number of sub-packets of the one or more wake-up signals, or Including a configuration for the first sub-packet ID configuration supporting an indication of UE ID based sub-packets and a total number of sub-packets of the one or more wake-up signals.
  10. 10. The wireless communication method according to any one of claims 1 to 9, wherein the wireless communication terminal performs: sending a request to the CN to activate a wake-up function for the one or more wake-up signals, or A request to activate a wake-up function for the one or more wake-up signals is received from the CN.
  11. 11. The wireless communication method according to any one of claims 1 to 10, wherein the wireless communication terminal performs at least one of: Transmitting an indication to the wireless communication node via a small data transfer, SDT, indicating whether conditions for monitoring the one or more wake-up signals or synchronization signals are met; Transmitting an indication to the wireless communication node via a medium access control element, MAC CE, indicating whether conditions for monitoring the one or more wake-up signals or synchronization signals are fulfilled; transmitting an indication to the wireless communication node via the MAC CE over SDT resources indicating whether conditions for monitoring the one or more wake-up signals or synchronization signals are met or An indication is sent to the wireless communication node via a random access channel, RACH, resource indicating whether conditions for monitoring the one or more wake-up signals or synchronization signals are fulfilled.
  12. 12. The wireless communication method according to any one of claims 1 to 11, wherein the wireless communication terminal performs at least one of: in response to the received sub-packet ID of the PEI not including a second sub-packet ID of the wireless communication terminal, the wireless communication terminal monitors the one or more POs; After waking up in response to receiving the one or more wake up signals from the wireless communication node, the wireless communication terminal monitors one or more PEI or PO from another wireless communication node, or The wireless communication terminal monitors the one or more POs in response to the wireless communication terminal not receiving the one or more wake-up signals within a predetermined period of time.
  13. 13. The wireless communication method according to any one of claims 1 to 12, wherein the wireless communication terminal performs at least one of: in response to the wireless communication terminal not having time-sensitive traffic, the wireless communication terminal performs a wake-up function for the one or more wake-up signals, or The wireless communication terminal performs a wake-up function for the one or more wake-up signals in response to a condition of the wake-up function enabled by the wireless communication node being satisfied.
  14. 14. The wireless communication method according to any one of claims 1 to 13, wherein the wireless communication terminal performs at least one of: Obtaining a measurement result of a synchronization signal in an idle or inactive mode and transmitting the measurement result to the wireless communication node in response to the wireless communication terminal satisfying a condition for monitoring the one or more wake-up signals when entering a connected mode, or Obtaining a measurement result of a synchronization signal in an idle or inactive mode, and transmitting the measurement result to the wireless communication node in response to the measurement result being valid when entering a connected mode; Obtaining measurement results of the synchronization signal in idle or inactive mode and transmitting the measurement results to the wireless communication node via a radio resource control, RRC, message, or An indication is sent to the wireless communication node indicating whether the wireless communication terminal satisfies a condition for monitoring the one or more wake-up signals.
  15. 15. The wireless communication method according to any one of claims 1 to 14, wherein the wireless communication terminal performs at least one of: monitoring the one or more wake-up signals before a paging time window PTW in response to the extended discontinuous reception eDRX being configured, or Wake up in the PTW.
  16. 16. The wireless communication method according to any one of claims 1 to 15, wherein the wireless communication terminal performs at least one of: receiving a configuration of an active area of the one or more wake-up signals; monitoring the active area for the one or more wake-up signals, or Responsive to the wireless communication terminal moving out of the active area of the one or more wake-up signals, releasing the configuration of the one or more wake-up signals.
  17. 17. The wireless communication method of any of claims 1-16, wherein the wireless communication terminal performs at least one of: Receiving activation or deactivation of the one or more wake-up signals in a system information block SIB; receiving deactivation of the one or more wake-up signals in a paging message, or The deactivation of the one or more wake-up signals is received in the wake-up signal.
  18. 18. A method of wireless communication, comprising: one or more wake up signals are transmitted by the wireless communication node to the wireless communication terminal to allow the wireless communication terminal to monitor one or more paging early indications PEI, paging occasions PO or physical downlink control channels PDCCH associated with the one or more wake up signals.
  19. 19. The wireless communication method of claim 18, wherein the wireless communication terminal performs at least one of: continuously or periodically monitoring the one or more wake-up signals during a discontinuous reception, DRX, inactivity time or a cell discontinuous transmission, DTX, inactivity time; monitoring the one or more wake-up signals carrying sub-packet identities indicating sub-packets of the user equipment UE during DRX inactivity time; During a cell DTX inactive time, monitoring the one or more wake-up signals at an offset before an end time of the cell DTX inactive time or a start time of the cell DTX active time; Monitoring, during a cell DRX inactivity time, the one or more wake-up signals at an offset before an end time of the cell DRX inactivity time or before a start time of the cell DRX activity time; Monitoring the one or more wake-up signals carrying an indication of whether the UE is awake or whether a cell DTX on duration timer is started during a cell DTX inactivity time, or During a cell DRX inactivity time, the one or more wake-up signals carrying an indication of whether the UE is awake or whether a cell DRX on duration timer is started are monitored.
  20. 20. The wireless communication method according to claim 18 or 19, wherein after waking up, the wireless communication terminal performs at least one of the following operations: determining that the configured semi-persistent scheduling (SPS) time is valid, and receiving an SPS message; Measuring a synchronization signal/physical broadcast channel block SSB and a channel state information reference signal CSI-RS; monitoring a PDCCH or receiving a physical downlink shared channel PDSCH; starting an on duration timer and monitoring a PDCCH during operation of the on duration timer; shifting the start time of the on duration timer by an offset; extending the length of the on duration timer by an offset; starting a DRX inactivity timer or a first timer, and monitoring PDCCH during operation of the DRX inactivity timer or the first timer; Starting a cell DTX on duration timer; Starting a cell DRX on duration timer; determining that the configured authorized CG time is valid, and sending an SPS message; determining that the Scheduling Request (SR) time is effective, and sending the SR; Determining that the PUCCH time is effective, and transmitting the PUCCH; determining that PRACH timing is valid and transmitting PRACH, or And transmitting a Physical Uplink Shared Channel (PUSCH).

Description

Methods, apparatus and computer program products for wireless communication This document is directed generally to wireless communications, and specifically to fifth generation (5G) communications or sixth generation (6G) communications. The 5G system was designed and developed for both mobile phones and vertical use cases. In addition to delay, reliability, and availability, user Equipment (UE) energy efficiency is also critical to 5G. Currently, 5G devices may require weekly or daily charging, depending on the individual's time of use. Generally, 5G devices consume several tens of milliwatts in the radio resource control RRC idle/inactive state and several hundred milliwatts in the RRC connected state. Designs that extend battery life are necessary to improve energy efficiency and better user experience. Energy efficiency is critical for UEs without a continuous energy source (e.g., UEs using small rechargeable batteries and single button batteries). In vertical use cases, sensors and actuators are widely deployed for monitoring, measurement, charging, etc. In general, their batteries are not rechargeable, and are expected to take years. Wearable devices include smart watches, rings, electronic health related devices, and medical monitoring devices. For typical battery capacities, maintaining for as long as 1-2 weeks as needed is challenging. The power consumption depends on the configured wake-up period length (e.g., paging cycle). In order to meet the above battery life requirements, it is expected that an extended discontinuous reception (eDRX) cycle with a larger value will be used, resulting in a high delay, which is not suitable for such services requiring both long battery life and low delay. For example, in fire detection and extinguishing applications, the fire shutter should be closed and the fire sprinklers should be opened by the actuator within 1 to 2 seconds after the sensor detects the fire. A long eDRX cycle cannot meet the delay requirement. eDRX is not suitable for delay critical use cases. Therefore, there is a need to develop an ultra-low power mechanism that can support low latency (e.g., less than eDRX latency). This document relates to methods, systems, and computer program products for wireless communications. One aspect of the present disclosure relates to a wireless communication method. In one embodiment, the wireless communication method includes receiving, by a wireless communication terminal, one or more wake-up signals from a wireless communication node for waking up, and monitoring, by the wireless communication terminal, one or more paging early indications PEI, paging occasions PO, or physical downlink control channels PDCCHs associated with the one or more wake-up signals. Another aspect of the present disclosure relates to a wireless communication method. In one embodiment, the wireless communication method includes transmitting, by a wireless communication node, one or more wake up signals to a wireless communication terminal to allow the wireless communication terminal to monitor one or more paging early indicators PEI, paging occasions PO, or physical downlink control channels PDCCHs associated with the one or more wake up signals. Another aspect of the present disclosure relates to a wireless communication terminal. In one embodiment, the wireless communication terminal includes a communication unit and a processor. The processor is configured to receive one or more wake up signals for waking up from a wireless communication node via the communication unit and monitor one or more paging early indications PEI, paging occasions PO or physical downlink control channels PDCCH associated with the one or more wake up signals via the communication unit. Another aspect of the disclosure relates to a wireless communication node. In one embodiment, the wireless communication node includes a communication unit and a processor. The processor is configured to transmit one or more wake up signals to the wireless communication terminal via the communication unit to allow the wireless communication terminal to monitor one or more paging early indications PEI, paging occasions PO or physical downlink control channel PDCCH associated with the one or more wake up signals. Various embodiments may preferably implement the following features: preferably, the wireless communication terminal performs at least one of the following operations: Continuously or periodically monitoring one or more wake-up signals during a discontinuous reception, DRX, inactivity time or a cell discontinuous transmission, DTX, inactivity time; During a DRX inactivity time, monitoring one or more wake-up signals carrying a subpacket identification indicating subpackets of the user equipment UE; during a cell DTX inactive time, monitoring one or more wake-up signals at an offset before an end time of the cell DTX inactive time or a start time of the cell DTX active time; Monitoring one or more wake-up signals at a