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WO2025167438A1 - Procédé de communication et appareil de communication - Google Patents

Procédé de communication et appareil de communication

Info

Publication number
WO2025167438A1
WO2025167438A1 PCT/CN2025/070983 CN2025070983W WO2025167438A1 WO 2025167438 A1 WO2025167438 A1 WO 2025167438A1 CN 2025070983 W CN2025070983 W CN 2025070983W WO 2025167438 A1 WO2025167438 A1 WO 2025167438A1
Authority
WO
WIPO (PCT)
Prior art keywords
wake
information
terminal device
period
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2025/070983
Other languages
English (en)
Chinese (zh)
Inventor
邝奕如
薛祎凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2025167438A1 publication Critical patent/WO2025167438A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements

Definitions

  • a small, low-power circuit can be used to monitor for a wake-up signal. This signal is used to wake the terminal device to monitor for paging messages or perform random access.
  • network devices need to know channel information for high-quality scheduling.
  • terminal devices can feedback channel information to network devices when using a small, low-power circuit to monitor for wake-up signals. Therefore, it is difficult to effectively achieve both reduced power consumption and guaranteed communication performance.
  • the present application provides a communication method and a communication device, which can reduce the power consumption of terminal equipment and ensure communication performance.
  • a communication method is provided, which is applied to the terminal device side and can be executed by the terminal device, or it can also be executed by a module (such as a chip or circuit) in the terminal device, or it can also be executed by a logical node, logical module or software that can implement all or part of the terminal device.
  • a module such as a chip or circuit
  • a logical node such as a chip or circuit
  • software that can implement all or part of the terminal device.
  • the method includes: the terminal device sends first information to the network device in a first time period, the first time period includes a monitoring period of a first wake-up signal and/or a wake-up period indicated by the first wake-up signal, the first wake-up signal is used to wake up the terminal device, and the first information is used to obtain channel information.
  • the first information includes at least one of the following:
  • the above method can enable the terminal device to send a reference signal for estimating the uplink channel to the network device and/or report the measured downlink channel information to the network device when working under the wake-up mechanism. This not only ensures that the power consumption of the terminal device is low, but also enables the network device to obtain channel information and ensure communication performance.
  • the terminal device in the above method may not send the first information to the network device during the monitoring period of the wake-up signal, that is, the terminal device does not need to be specially woken up to send the first information, which can make the power consumption of the terminal device very low.
  • the terminal device does not send the first information during the monitoring period of the first wake-up signal, including: the terminal device does not send the first information during the monitoring period of the first wake-up signal and during the on-duration period (on-duration period) of discontinuous reception (DRX).
  • the above-mentioned terminal device is in the monitoring period of the first wake-up signal and in the duration of DRX, which can be understood as: the current time domain position of the terminal device is in the monitoring period of the first wake-up signal, and the current time domain position of the terminal device is also in the duration of DRX.
  • the terminal device in the above method may not monitor the physical downlink control channel (PDCCH) during the DRX duration period, but may still monitor the first wake-up signal, which can further reduce the power consumption of the terminal device.
  • PDCCH physical downlink control channel
  • the above-mentioned terminal device sends the first information to the network device in a first time period, including: the terminal device sends the first information with a first period during the monitoring period of the first wake-up signal, and the terminal device sends the first information with a second period during the wake-up period indicated by the above-mentioned first wake-up signal, and the first period is greater than the second period.
  • the second period is a configuration period of the first information in the time domain.
  • the first period may be a multiple of the second period.
  • the first period may also be referred to as a relaxation period of the second period, i.e., the first period is equal to the second period multiplied by the relaxation multiple.
  • the relaxation multiple may be preconfigured by the network for the terminal device or may be specified by a protocol, and this application does not limit this.
  • the terminal device in the above method can send the first information with a first period larger than the configuration period, which can not only ensure the communication performance, but also reduce the power consumption of the terminal device to a certain extent.
  • the first indication information is used to indicate whether the terminal device sends the first information during the monitoring period of the first wake-up signal, or the first indication information is used to indicate whether the terminal device sends the first information at the first period during the monitoring period of the first wake-up signal.
  • the first indication information is used to instruct the terminal device to send the first information during the monitoring period of the first wake-up signal
  • the first indication information is also used to instruct the terminal device to send the first type of information included in the first information during the monitoring period of the first wake-up signal; or, if the first indication information is used to instruct the terminal device to send the first information during the monitoring period of the first wake-up signal and during the DRX duration, the first indication information is also used to instruct the terminal device to send the first type of information included in the first information during the monitoring period of the first wake-up signal and during the DRX duration.
  • the terminal device can only send part of the multiple information included in the first information during the monitoring period of the first wake-up signal, or the terminal device can only send part of the multiple information included in the first information during the monitoring period of the first wake-up signal and during the DRX duration, which can reduce the power consumption of the terminal device.
  • the first type of information includes p-CSI including L1-RSRP on a PUCCH and/or p-CSI not including L1-RSRP on a PUCCH
  • the second type of information includes one or more of the following:
  • the above-mentioned terminal device does not send the first information during the monitoring period of the first wake-up signal, including: the above-mentioned terminal device does not send the first information during the monitoring period of the first wake-up signal and is not in the DRX duration period.
  • the above-mentioned terminal device is in the monitoring period of the first wake-up signal and is not in the DRX duration period, which can be understood as: the current time domain position of the terminal device is in the monitoring period of the first wake-up signal, but the current time domain position of the terminal device is not in the DRX duration period.
  • the wake-up period indicated by the first wake-up signal is the running period of a first timer, and the first timer is started by the terminal device in response to monitoring the first wake-up signal.
  • the operating period of the first timer may be indicated by a first wake-up signal monitored by the terminal device, or the operating period of the first timer may be pre-configured in the terminal device, which is not limited in this application.
  • the terminal device in the above method can control the sending of the first information by running a timer after detecting the wake-up signal, without the need for the network device to dynamically instruct the sending and stopping of the first information, which can reduce signaling overhead.
  • the above method also includes: the terminal device monitors a first wake-up signal, the first wake-up signal carries second indication information, and the second indication information is used to instruct the terminal device to send the first information.
  • the above method also includes: the terminal device receives third indication information from the network device, and the third indication information is used to instruct the terminal device to stop sending the first information.
  • the above-mentioned third indication information used to instruct the terminal device to stop sending the first information can be replaced by the third indication information used to instruct the terminal device not to send the first information.
  • the second indication information may further indicate the time when the terminal device sends the first information
  • the third indication information may further indicate the time when the terminal device stops sending the first information
  • the terminal device in the above method can send the first information according to the instruction of the network device and stop sending the first information according to the instruction of the network device, so that the sending of the first information can be controlled more flexibly.
  • the terminal device includes at least one of the following during the monitoring period of the first wake-up signal:
  • the terminal device is in a state of monitoring the first wake-up signal, the terminal device is not in the wake-up period indicated by the above-mentioned first wake-up signal, the terminal device is not in the operating period of the first timer, the terminal device uses the second module to work, the terminal device is working in the wake-up circuit, the terminal device is monitoring the first wake-up signal, the terminal device is in the monitoring period of the first wake-up signal, etc.
  • the monitoring of the first wake-up signal is enabled, or the monitoring of the first wake-up signal is configured, or the monitoring of the first wake-up signal is used, or the monitoring of the first wake-up signal is turned on, etc.
  • the terminal device includes at least one of the following during the wake-up period indicated by the first wake-up signal:
  • the terminal device is in a state of monitoring PDCCH, the terminal device is not in the monitoring period of the above-mentioned first wake-up signal, the terminal device is in the operating period of the first timer, etc.
  • the first information sent during the monitoring period of the first wake-up signal includes at least one of the following:
  • the p-CSI on the PUCCH does not include L1-RSRP.
  • the first information sent during the wake-up period indicated by the first wake-up signal includes at least one of the following:
  • a communication method is provided, which is applied to the terminal device side and can be executed by the terminal device, or it can be executed by a module in the terminal device (such as a chip or circuit), or it can be executed by a logical node, logical module or software that can implement all or part of the terminal device.
  • a module in the terminal device such as a chip or circuit
  • a logical node, logical module or software that can implement all or part of the terminal device.
  • the method includes: the terminal device determines whether the current time domain position is in the DRX activation period based on the second information.
  • a first wake-up signal detected by the terminal device up to a first time length before the current time domain position, where the first wake-up signal is used to wake up the terminal device;
  • MAC media access control
  • CE control element
  • Long DRX command MAC CE Long DRX Command MAC CE
  • the terminal device Until the third time length before the current time domain position, the terminal device sends a scheduling request (SR) signaling to the network device.
  • SR scheduling request
  • the first time length is greater than or equal to the fourth time length. If the terminal device detects the first wake-up signal, the terminal device needs to switch from the second module to the first module to send the first information. At this time, the time it takes for the terminal device to switch from the second module to the first module is the fourth time length.
  • the first time length, the second time length, and the third time length may be the same or different, and this application does not limit this.
  • the first time length, the second time length, and the third time length may be 4 ms.
  • the first information includes at least one of the following:
  • p-CSI on PUCCH includes at least one of the following:
  • the terminal device in the above method takes into account the monitoring of the first wake-up signal when judging whether the current time domain position is in the activation period of DRX, which can make the result of the terminal device judging whether the current position is in the activation period of DRX more accurate.
  • the above method also includes: the above terminal device sends the first information to the network device in a second time period, and the second time period includes the DRX non-activation period and/or the DRX activation period.
  • the above method can enable the terminal device to send a reference signal for estimating the uplink channel to the network device and/or report the measured downlink channel information to the network device when working under the DRX mechanism. This not only ensures that the power consumption of the terminal device is low, but also enables the network device to obtain channel information, thereby ensuring communication performance.
  • the above-mentioned terminal device sends the first information to the network device in the second time period, including: the terminal device does not send the first information in the non-activation period of the above-mentioned DRX, and the terminal device sends the above-mentioned first information in the activation period of the above-mentioned DRX.
  • the terminal device in the above method may not send the first information to the network device during the non-activation period of DRX, that is, when the terminal device is not in the activation period of DRX, there is no need to specifically wake up the terminal device to send the first information, which can keep the power consumption of the terminal device low.
  • the terminal device does not send the first information during the non-activation period of the DRX, including: the terminal device does not send the first information during the non-activation period of the DRX and during the continuous period of the DRX.
  • the above-mentioned terminal device is in the non-activation period of DRX and in the continuous period of DRX, which can be understood as: the current time domain position of the terminal device is in the non-activation period of DRX, and the current time domain position of the terminal device is also in the continuous period of DRX.
  • the terminal device in the above method may not start the duration timer during the DRX duration period, which can further reduce the power consumption of the terminal device.
  • the above-mentioned terminal device sends the first information to the network device in the second time period, including: the terminal device sends the first information with a third period during the non-activation period of the above-mentioned DRX, and the terminal device sends the first information with a fourth period during the activation period of the above-mentioned DRX, and the third period is greater than the fourth period.
  • the fourth period is a configuration period of the first information in the time domain.
  • the third period may be a multiple of the fourth period.
  • the third period may also be referred to as a relaxation period of the fourth period, i.e., the third period is equal to the fourth period multiplied by the relaxation multiple.
  • the relaxation multiple may be preconfigured by the network for the terminal device or may be specified by a protocol, and this application does not limit this.
  • the third cycle may be a DRX cycle.
  • the terminal device in the above method can send the first information with a DRX period larger than the configuration period when it is not in the DRX activation period, which can not only ensure the communication performance, but also reduce the power consumption of the terminal device to a certain extent.
  • the above method also includes: the terminal device receives fourth indication information from the network device, and the fourth indication information is used to indicate whether the terminal device sends the first information during the above-mentioned DRX non-activation period, or the fourth indication information is used to indicate whether the terminal device sends the first information during the above-mentioned DRX non-activation period and during the DRX continuous period, or the fourth indication information is used to indicate the terminal device to send the first information with the above-mentioned third period during the above-mentioned DRX non-activation period.
  • the fourth indication information is used to indicate whether the terminal device sends the first information during the non-activation period of the DRX, or the fourth indication information is used to indicate whether the terminal device sends the first information with the first period during the non-activation period of the DRX.
  • the fourth indication information is used to instruct the terminal device to send the first information during the non-activation period of DRX
  • the fourth indication information is also used to instruct the terminal device to send the first type of information included in the first information during the non-activation period of DRX; or, if the fourth indication information is used to instruct the terminal device to send the first information during the non-activation period of DRX and during the continuous period of DRX, the fourth indication information is also used to instruct the terminal device to send the first type of information included in the first information during the non-activation period of DRX and during the continuous period of DRX.
  • the above method also includes: the terminal device does not send the second type of information included in the first information during the non-activation period of DRX; or, if the first indication information is used to instruct the terminal device to send the first information during the non-activation period of DRX and during the continuous period of DRX, the above method also includes: the terminal device does not send the second type of information included in the first information during the non-activation period of DRX and during the continuous period of DRX.
  • the terminal device can only send some of the multiple information included in the first information during the non-activation period of DRX, or the terminal device can only send some of the multiple information included in the first information during the non-activation period of DRX and during the continuous period of DRX, which can reduce the power consumption of the terminal device.
  • the first type of information includes p-CSI including L1-RSRP on the PUCCH and/or p-CSI not including L1-RSRP on the PUCCH
  • the second type of information includes one or more of the following:
  • the communication method 300 is uniformly described as the first information being configured with the second period in the time domain.
  • the multiple pieces of information in the first information may be configured with multiple different periods in the time domain.
  • the p-SRS in the first information is configured with period #1
  • the p-CSI in the first information is configured with period #2
  • the terminal device may receive one or more indication information #2 from the network device.
  • Figure 7 shows a typical DRX cycle.
  • a DRX cycle may include an awake (On Duration) period and a sleep period.
  • the awake (On Duration) period may also be referred to as an on Duration period, or by other names, which are not limited in this application.
  • a terminal device can receive downlink data and uplink grants during the active period.
  • the terminal device can use various timers to ensure the reception of downlink data and uplink grants while in the Radio Resource Control (RRC) connected state. These various timers are described in detail below.
  • RRC Radio Resource Control
  • a network device may configure a DRX cycle for a terminal device, and the DRX cycle may be a long DRX cycle.
  • the DRX cycle may be a short DRX cycle and a long DRX cycle.
  • the terminal device may run a short cycle timer (drx-ShortCycleTimer) corresponding to the short DRX cycle. When the short cycle timer times out, the timer corresponding to the long DRX cycle will be run.
  • DRX includes at least one of the following parameters:
  • the drx-InactivityTimer has been added to the DRX mechanism when the terminal device detects the PDCCH during the On Duration period. If the drx-InactivityTimer is running, even if the originally configured drx-onDurationTimer times out (i.e., the On Duration period ends), the terminal device still needs to continue monitoring the PDCCH subframe until the drx-InactivityTimer times out.
  • the addition of the drx-Inactivity mechanism significantly reduces data processing latency.
  • the terminal device When the drx-HARQ-RTT Timer expires, the terminal device starts the drx-Retransmission Timer DL.
  • the drx-Retransmission Timer DL indicates the maximum duration the terminal device will receive DL retransmission indication information.
  • the terminal device is active and receives PDCCH and PDSCH retransmissions.
  • the drx-Retransmission Timer DL is the length of time the UE monitors the PDCCH after the drx-HARQ-RTT Timer expires to receive data that was not successfully transmitted and needs to be retransmitted.
  • timers listed above are only exemplary and the present application is not limited thereto.
  • the technical method of the present application can also combine the working mechanism of the terminal device using the second module to receive the wake-up signal with the DRX mechanism, that is, when the terminal device is in the DRX active period, the PDCCH monitoring process is executed; when the terminal device is not in the DRX active period, the working mechanism of the terminal device using the second module to receive the wake-up signal is entered.
  • the present application can provide a method 400 for a terminal device to determine whether the current time domain position is in the DRX active period:
  • the terminal device may determine whether the current time domain position is in the DRX activation period based on the second information.
  • the second information includes at least one of the following:
  • the terminal device detects the above-mentioned first wake-up signal until a first time length before the current time domain position of the terminal device; whether the terminal device receives uplink grants, downlink assignments, DRX command media access control (MAC) control element (DRX Command MAC CE), or long DRX command MAC CE (Long DRX Command MAC CE) from the network device until a second time length before the current time domain position of the terminal device; whether the terminal device sends a scheduling request (SR) signaling to the network device until a third time length before the current time domain position.
  • MAC media access control
  • SR scheduling request
  • the terminal device may determine whether the current time domain position is in or not in the DRX activation period based on the second information.
  • the second information includes at least one of the following:
  • the terminal device monitors the above-mentioned first wake-up signal; until a second time length before the current time domain position of the terminal device, the terminal device receives uplink grants, downlink assignments, DRX command media access control (MAC) control element (DRX Command MAC CE), or long DRX command MAC CE (Long DRX Command MAC CE) from the network device; until a third time length before the current time domain position, the terminal device sends a scheduling request (SR) signaling to the network device.
  • SR scheduling request
  • Whether the terminal device monitors the first wake-up signal refers to whether the terminal device detects the first wake-up signal associated with the terminal device, that is, the first wake-up signal indicates that the terminal device wakes up.
  • the first time length is greater than or equal to the fourth time length
  • the second time length may be 4 milliseconds (ms)
  • the third time length may be 4 ms, which is not limited in this application.
  • the fourth time length is the time length for the terminal device to switch from the second module to the first module after detecting the first wake-up signal.
  • the current subframe of the terminal device is 6. If the terminal device does not receive the first wake-up signal from the network device in subframe 1 or subframe 2, the terminal device determines that the current subframe 6 is not in the active period of DRX. Alternatively, the current subframe of the terminal device is 6. If the terminal device does not receive an uplink authorization from the network device in subframe 1 or subframe 2, the terminal device determines that the current subframe 6 is not in the active period of DRX. Alternatively, the current subframe of the terminal device is 6. If the terminal device does not receive a DRX Command MAC CE from the network device in subframe 1 or subframe 2, the terminal device determines that the current subframe 6 is not in the active period of DRX.
  • the fact that the terminal device is not in the active period of DRX can be understood as the fact that the terminal device is in the inactive period of DRX.
  • the period that is not in the active period of DRX is collectively referred to as the inactive period of DRX below.
  • the activation period of DRX may include the operating period of the duration timer (drx-onDurationTimer), the operating period of the inactivity timer (drx-InactivityTimer), the operating period of the retransmission timer (drx-RetransmissionTimer), the operating period of the random access contention resolution timer (ra-ContentionResolutionTimer), the operating period of the message B response window (msgB-ResponseWindow), the period when the SR is sent and is in a suspended state, etc., which is not limited in this application.
  • the present application can provide a communication method 500, which can realize feedback of channel information to the network device when the terminal device is configured with DRX, thereby reducing the power consumption of the terminal device and ensuring communication performance.
  • Figure 9 is a schematic flow chart of a communication method 500 provided in an embodiment of the present application.
  • the terminal device and the network device are used as examples of the execution subjects of the interactive diagram to illustrate the method, but the present application does not limit the execution subjects of the interactive diagram.
  • the terminal device in Figure 9 can also be a chip, a chip system, or a processor that supports the method that can be implemented by the terminal device, or a logic module or software that can implement all or part of the terminal device;
  • the network device can also be a chip, a chip system, or a processor that supports the method that can be implemented by the network device, or a logic module or software that can implement all or part of the network device.
  • the sending and receiving in the following steps can be understood as communication implemented through input/output interfaces, pins or circuits, etc.
  • the communication method 500 may include the following steps:
  • step S510 the terminal device sends the first information to the network device during a second time period, where the second time period includes a DRX inactive period and/or a DRX active period. Accordingly, the network device receives the first information from the terminal device during the second time period.
  • the DRX inactive period can be understood as a period when the terminal device is not in a DRX active period.
  • the monitoring of the first wake-up signal in the communication method 500 can be enabled, or the monitoring of the first wake-up signal is configured, or the monitoring of the first wake-up signal is used, or the monitoring of the first wake-up signal is turned on, or the terminal device's monitoring of the first wake-up signal is enabled, or the terminal device's monitoring of the first wake-up signal is configured, or the monitoring function of the first wake-up signal is used by the terminal device, or the monitoring of the first wake-up signal is turned on by the terminal device, etc.
  • the terminal device may send the first information to the network device in the second time period in the following two ways:
  • the terminal device is configured with transmission resources and DRX for the first information.
  • the first information is configured with a fourth period in the time domain.
  • Method 1 The terminal device does not send the above-mentioned first information during the non-activation period of the above-mentioned DRX, and the terminal device sends the above-mentioned first information during the activation period of the above-mentioned DRX, as shown in Figure 10.
  • the terminal device does not send the first information during the above-mentioned DRX non-activation period as shown in (a) of Figure 10.
  • the terminal device sends the first information in a fourth cycle during the activation period of the DRX, as shown in (b) of FIG10 .
  • the terminal device does not send the above-mentioned first information during the above-mentioned DRX inactive period and in the On Duration period, and the terminal device sends the above-mentioned first information during the above-mentioned DRX active period.
  • the terminal device is in the On Duration period, but the duration timer (drx-onDurationTimer) is not turned on or the duration timer (drx-onDurationTimer) is not running, and the terminal device does not turn on PDCCH monitoring.
  • the terminal device may not turn on PDCCH monitoring in the current On Duration period. In this case, the terminal device may not send the first information in the current On Duration period.
  • the network device may further send indication information #3 to the terminal device, where the indication information #3 is used to indicate whether the terminal device sends the above-mentioned first information during the above-mentioned DRX inactive period and during the On Duration period. Accordingly, the terminal device receives indication information #3 from the network device.
  • the communication method 500 is uniformly described with the first information being configured with the fourth period in the time domain.
  • the multiple information in the first information can be configured with multiple different periods in the time domain.
  • the p-SRS in the first information is configured with period #3
  • the p-CSI in the first information is configured with period #4, which is not limited in this application.
  • the terminal device can receive one or more indication information #3 from the network device.
  • the indication information #3 can indicate whether the terminal device sends the multiple information included in the first information at the period corresponding to the multiple information included in the first information during the monitoring period of the above-mentioned first wake-up signal; if the terminal device receives multiple indication information #3, the multiple indication information #3 is used to respectively indicate whether the terminal device sends the multiple information included in the first information at the period corresponding to the multiple information included in the first information during the monitoring period of the above-mentioned first wake-up signal.
  • Method 2 The terminal device sends the first information in the third period during the DRX inactive period, and the terminal device sends the first information in the fourth period during the DRX active period, as shown in FIG11 .
  • the third period is greater than the fourth period.
  • the third period may be configured by the network for the terminal device or may be specified by a protocol, and this application does not limit this.
  • the third period may be a multiple of the fourth period, in which case the third period may also be referred to as a relaxation period of the fourth period, i.e., the third period is equal to the fourth period multiplied by the relaxation multiple.
  • the relaxation multiple may be configured by the network for the terminal device or may be specified by a protocol, and this application does not limit this.
  • the third cycle may also be a DRX cycle, that is, the terminal device sends the first information during the operation period of the duration timer in the DRX cycle.
  • the terminal device may send the first information in the DRX cycle during the above-mentioned DRX non-activation period as shown in (a) of Figure 11.
  • the terminal device may send the first information in the fourth cycle during the activation period of the above-mentioned DRX as shown in (b) of Figure 11.
  • the terminal device sends the above-mentioned first information in the inactive period of the above-mentioned DRX and in the On Duration period with a third period, and the terminal device sends the above-mentioned first information in the active period of the above-mentioned DRX.
  • the terminal device is in the On Duration period but the duration timer (drx-onDurationTimer) is not turned on, and the terminal device does not turn on PDCCH monitoring.
  • the terminal device sends the above-mentioned first information in the current On Duration period with a third period.
  • DRX-related timers for example, the above-mentioned duration timer (drx-onDurationTimer), inactivity timer (drx-InactivityTimer), retransmission timer (drx-RetransmissionTimer), etc.
  • the terminal device does not send any information included in the first information during the above-mentioned DRX non-activation period and not during the On Duration period.
  • the network device may also send indication information #4 to the terminal device, and the indication information #4 is used to indicate whether the terminal device sends the above-mentioned first information with a third period (for example, the DRX period) during the non-activation period of the above-mentioned DRX. Accordingly, the terminal device receives indication information #4 from the network device.
  • the indication information #4 may be an example of the fourth indication information.
  • the indication information #4 may instruct the terminal device to send part of the information included in the above-mentioned first information with a third period during the non-activation period of the above-mentioned DRX.
  • indication information #4 is used to indicate whether the terminal device sends the first information during the DRX inactive period and at a third period during the On Duration period, and may be replaced by at least one of the following: indication information #4 is used to indicate whether the terminal device sends the first information during the DRX inactive period and at a third period during the On Duration period, or indication information #4 is used to indicate whether the terminal device sends the first information during the DRX inactive period and at a third period during the On Duration period.
  • the indication information #4 is used to indicate that the terminal device does not send the first information during the DRX inactive period and at a third period during the On Duration period.
  • indication information #4 instructs the terminal device to send the p-CSI containing L1-RSRP on the PUCCH and/or the p-CSI not containing L1-RSRP on the PUCCH included in the first information during the non-activation period of the above-mentioned DRX and in the On Duration period with a third period, but not to send other SRS and CSI included in the first information, for example, not to send p-SRS, sp-SRS, sp-CSI on the PUCCH, and sp-CSI configured on the PUSCH.
  • the above-mentioned indication information #4 carries a first value (true), or the field of indication information #4 in the RRC reconfiguration message does not exist (not present/absent), or indication information #4 indicates a relaxation multiple, or indication information #2 indicates the first period, or the network device is configured with a relaxation multiple, indicating that the terminal device needs to send the first information with a third period during the above-mentioned DRX non-activation period; the above-mentioned indication information #4 carries a second value (false), or the field of indication information #2 in the RRC reconfiguration message exists (present), or indication information #4 does not indicate a relaxation multiple, or the network device is not configured with a relaxation multiple, indicating that the terminal device needs to send the first information with a fourth period during the above-mentioned DRX non-activation period, or the terminal device does not need to send the first information to the network device during the monitoring period of the above-mentioned first wake-up signal.
  • the communication method 500 is uniformly described with the first information being configured with the fourth period in the time domain.
  • the multiple pieces of information in the first information may be configured with multiple different periods in the time domain.
  • the p-SRS in the first information is configured with period #3
  • the p-CSI in the first information is configured with period #4, which is not limited in this application.
  • the terminal device may receive one or more indication information #4 from the network device.
  • the indication information #4 may indicate whether the terminal device sends the multiple pieces of information included in the first information at the periods corresponding to the multiple pieces of information included in the first information; if the terminal device receives multiple indication information #4, the multiple indication information #4 is used to indicate whether the terminal device sends the multiple pieces of information included in the first information at the periods corresponding to the multiple pieces of information included in the first information.
  • the above-mentioned indication information #3 and the above-mentioned indication information #4 may be the same indication information, and the same indication information is recorded as the fourth indication information.
  • the fourth indication information is used to instruct the terminal device to send the first information to the network device in the fourth period during the monitoring period of the above-mentioned first wake-up signal, or the fourth indication information is used to instruct the terminal device to send the first information to the network device in the third period during the monitoring period of the above-mentioned first wake-up signal, or the fourth indication information is used to instruct the terminal device not to send the first information to the network device in the monitoring period of the above-mentioned first wake-up signal, etc.
  • the above-mentioned method 1 and the above-mentioned method 2 can also be used in combination, and the terminal device uses the above-mentioned method 1 to send part of the information in the first information, and the terminal device uses the above-mentioned method 2 to send the other part of the information in the first information.
  • the terminal device can send the p-CSI containing L1-RSRP on the PUCCH and/or the p-CSI not containing L1-RSRP on the PUCCH included in the first information to the network device in the non-activated period of DRX in the running period of the DRX cycle during the duration timer, and the terminal device does not send other SRS and CSI included in the first information in the non-activated period of DRX, for example, the terminal device does not send p-SRS, sp-SRS, sp-CSI on PUCCH, and sp-CSI configured on PUSCH in the non-activated period of DRX.
  • the terminal device sends any one or more of the information included in the first information in the fourth period during the activated period of DRX.
  • whether the terminal device sends the p-CSI containing L1-RSRP on the PUCCH included in the first information to the network device can be configured by indication information #3-1. If indication information #3-1 is configured as true, the terminal device sends the p-CSI containing L1-RSRP on the PUCCH to the network device. If indication information #3-1 is not configured as true, the terminal device does not send the p-CSI containing L1-RSRP on the PUCCH to the network device. Whether the terminal device sends the p-CSI not containing L1-RSRP on the PUCCH included in the first information to the network device can be configured by indication information #3-2.
  • indication information #3-2 is configured as true, the terminal device sends the p-CSI not containing L1-RSRP on the PUCCH to the network device. If indication information #3-2 is not configured as true, the terminal device does not send the p-CSI not containing L1-RSRP on the PUCCH to the network device.
  • the terminal device is in a state of monitoring the first wake-up signal, the terminal device is not in the activation period of DRX, the terminal device is not in the operating period of the first timer, the terminal device uses the second module to work, the terminal device is working in the wake-up circuit, the terminal device is monitoring the first wake-up signal, the terminal device is monitoring the OOK modulated signal, the terminal device is in the monitoring period of the first wake-up signal, the terminal device is not in a state of monitoring PDCCH, the terminal device does not use the first module to work, the terminal device is not working in the main circuit, the terminal device is not monitoring PDCCH, etc.
  • the DRX activation period of the terminal device involved in the above-mentioned method 1 and the above-mentioned method 2 can be understood as any one or more of the following:
  • the terminal device is in the state of monitoring PDCCH, the terminal device is not in the non-activated period of DRX, the terminal device is in the operating period of the first timer, the terminal device uses the first module to work, the terminal device works in the main circuit, the terminal device is monitoring PDCCH, etc.
  • the DRX activation period may be the operating period of the first timer.
  • the terminal device detects a first wake-up signal associated with the terminal device; the terminal device starts a first timer in response to detecting the first wake-up signal; and the terminal device sends the first information to the network device during the operating period of the first timer.
  • the first timer may be any of the drx-onDurationTimer, the drx-InactivityTimer, or the drx-RetransmissionTimer, which is not limited in this application.
  • Another implementation method of the above-mentioned DRX activation period is: the terminal device monitors a first wake-up signal associated with itself, and the first wake-up signal carries fifth indication information, and the fifth indication information is used to instruct the terminal device to send the first information; the terminal device receives sixth indication information from the network device, and the sixth indication information is used to instruct the terminal device to stop sending the first information or the sixth indication information is used to instruct the terminal device not to send the first information.
  • the terminal device may immediately start the first module to send the first information; alternatively, the fifth indication information may also indicate the time when the terminal device sends the first information. After receiving the fifth indication information, the terminal device may wait until the time indicated by the fifth indication information to send the first information before starting the first module to send the first information. This application does not limit this. Similarly, after receiving the sixth indication information, the terminal device may immediately stop sending the first information; alternatively, the sixth indication information may also indicate the time when the terminal device stops sending the first information. After receiving the sixth indication information, the terminal device may wait until the time indicated by the third indication information to stop sending the first information before stopping sending the first information. This application does not limit this.
  • Step S512 The network device obtains channel information based on the first information.
  • the network device can estimate the uplink channel based on p-SRS, sp-SRS, etc. and obtain uplink channel information; the network device can obtain downlink channel information based on sp-CSI on PUCCH, sp-CSI configured on PUSCH, p-CSI on PUCCH, etc.
  • the above-mentioned communication method 500 can be used to enable the terminal device to feed back channel information to the network device, which can not only reduce the power consumption of the terminal device but also ensure communication performance.
  • the terminal device needs to periodically start a duration timer to monitor the PDCCH.
  • the PDCCH may not be monitored during the duration timer's operation, so the terminal device does not need to start the duration timer every time.
  • a second wake-up signal is introduced.
  • the second wake-up signal is used to indicate whether the terminal device needs to start at least one duration timer.
  • the at least one duration timer is associated with the second wake-up signal monitored by the terminal device.
  • the second wake-up signal may be PDCCH WUS, downlink control information (DCI), DCI with cyclic redundancy code scrambled by power saving radio network temporary identifier (DCP), etc.
  • DCI downlink control information
  • DCP power saving radio network temporary identifier
  • the terminal device does not monitor the second wake-up signal and starts at least one duration timer; if all monitoring opportunities of the terminal device are not within the DRX activation period, the terminal device monitors the second wake-up signal, and the monitored second wake-up signal indicates whether it is necessary to start at least one duration timer.
  • the present application can provide a method 600 for determining whether all monitoring opportunities of the second wake-up signal by the terminal device are within the DRX activation period:
  • the terminal device can determine whether all monitoring opportunities of the second wake-up signal are within the DRX activation period based on the third information.
  • the third information includes at least one of the following:
  • the terminal device detects the first wake-up signal within a fifth time period before the last monitoring opportunity of the second wake-up signal
  • the terminal device receives an uplink grant, a downlink assignment, a DRX Command MAC CE, or a Long DRX Command MAC CE from the network device until a sixth time period before the last monitoring opportunity of the second wake-up signal;
  • the terminal device sends SR signaling to the network device until the seventh time length before the last monitoring opportunity of the second wake-up signal.
  • the terminal device may determine that all monitoring opportunities of the second wake-up signal are in a DRX activation period based on third information.
  • the second information includes at least one of the following:
  • the first wake-up signal detected by the terminal device up to a fifth time period before the last monitoring opportunity of the second wake-up signal
  • the terminal device Up to a sixth time period before the last monitoring opportunity of the second wake-up signal, the terminal device receives an uplink grant, a downlink allocation, a DRX Command MAC CE, or a Long DRX Command MAC CE from the network device;
  • the terminal device Until the seventh time period before the last monitoring opportunity of the second wake-up signal, the terminal device sends the SR signaling to the network device.
  • Whether the terminal device detects the first wake-up signal refers to whether the terminal device detects the first wake-up signal associated with the terminal device, i.e., whether the first wake-up signal indicates that the terminal device is awake.
  • all monitoring opportunities for the second wake-up signal are all DCP monitoring opportunities (DCP occasion(s)).
  • the above-mentioned fifth time length is greater than or equal to the above-mentioned fourth time length
  • the above-mentioned sixth time length can be 4ms
  • the above-mentioned seventh time length can be 4ms, which is not limited in this application.
  • the terminal device determines that the symbols corresponding to all monitoring opportunities of the second wake-up signal are within the DRX activation period.
  • the terminal device determines that the symbol corresponding to the last monitoring opportunity of the second wake-up signal is 6, and if the terminal device receives a DRX Command MAC CE from the network device at time domain symbol 1 or time domain symbol 2, the terminal device determines that the symbol corresponding to the last monitoring opportunity of the second wake-up signal is within the DRX activation period.
  • the terminal device may send the first information to the network device during the operation period of the at least one duration timer that is turned on.
  • the present application may also provide a method for combining the above-mentioned first wake-up signal with the above-mentioned second wake-up signal: multiple terminal devices in the first terminal device group detect the first wake-up signal, and the first wake-up signal is used to wake up the multiple terminal devices in the first terminal device group; the multiple terminal devices in the first terminal device group start the first timer in response to detecting the first wake-up signal, and continue to monitor the second wake-up signal during the running period of the first timer, and the second wake-up signal is used to wake up the first terminal device among the multiple terminal devices in the first terminal device group; the multiple terminal devices in the first terminal device group detect the second wake-up signal.
  • the first terminal device starts at least one duration timer associated with the second wake-up signal in response to the detected second wake-up signal; the other terminal devices in the first terminal device group except the first terminal device stop running the first timer in response to the detected second wake-up signal, and switch from the first module to the second module to work.
  • the first terminal device may send the first information to the network device during the operation period of the at least one duration timer that is turned on.
  • both terminal devices and network devices may include hardware structures and/or software modules, with the aforementioned functions implemented in the form of hardware structures, software modules, or a combination of hardware structures and software modules. Whether a particular function is implemented in the form of hardware structures, software modules, or a combination of hardware structures and software modules depends on the specific application and design constraints of the technical solution.
  • FIG 12 is a schematic block diagram of a communication device 1200 according to an embodiment of the present application.
  • the communication device 1200 includes a processor 1210 and a communication interface 1220.
  • the processor 1210 and the communication interface 1220 may be interconnected via a bus 1230.
  • the communication device 1200 may be a terminal device or a network device.
  • the communication device 1200 may further include a memory 1240.
  • the memory 1240 includes, but is not limited to, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM), or compact disc read-only memory (CD-ROM), and is used to store relevant instructions and data.
  • the processor 1210 may be one or more central processing units (CPUs). In the case where the processor 1210 is a CPU, the CPU may be a single-core CPU or a multi-core CPU.
  • the communication apparatus 1200 is a terminal device
  • the communication apparatus 1200 is configured to perform the following operations: sending first information to a network device in a first time period, etc.
  • the communication device 1200 is a network device
  • the communication device 1200 is used to perform the following operations: receiving first information from a terminal device in a first time period, or acquiring channel information based on the first information.
  • the transceiver unit 1310 is configured to send first information to a network device in a first time period.
  • the transceiver unit 1310 is used to receive first information from a terminal device in a first time period, and the processing unit 1320 is used to obtain channel information based on the first information.
  • the communication device 1300 When the communication device 1300 is a terminal device/network device, it will be responsible for executing the methods or steps related to the terminal device/network device in the above method embodiments.
  • the communication device 1300 further includes a storage unit 1330, which is used to store a program or code for executing the aforementioned method.
  • Figure 14 is a schematic block diagram of a communication device 1400 according to an embodiment of the present application.
  • the communication device 1400 is used to implement the functions of a terminal device/network device.
  • the communication device 1400 may be a chip in the terminal device/network device.
  • the input/output interface 1420 is configured to send first information to the network device in a first time period.
  • the input/output interface 1420 is configured to receive first information from a terminal device in a first time period, and the processor 1410 is configured to obtain channel information based on the first information.
  • the processor 1410 implements the functions of the terminal device or the network device by executing instructions stored in the memory.
  • the communication device 1400 further includes a memory.
  • the memory is outside the communication device 1400 .
  • the processor 1410 may be a logic circuit that inputs/outputs messages or signals through the input/output interface 1420.
  • the logic circuit may be a signal processor, a chip, or other integrated circuit that can implement the method of the embodiment of the present application.
  • the above description of the communication device 1400 is merely an exemplary description.
  • the communication device 1400 can be used to execute the method described in the above embodiments.
  • the present application also provides a processor for coupling with a memory, and for executing the methods and functions involving a terminal device or a network device in any of the above embodiments.
  • the present application also provides a computer program.
  • the computer program is executed in a computer, the method of the aforementioned embodiment is implemented.
  • the present application also provides a computer-readable storage medium, which stores a computer program.
  • a computer program When the computer program is executed by a computer, the method described in the above embodiment is implemented.
  • the disclosed systems, devices, and methods can be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of units is only a logical function division.
  • Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the technical solutions of the embodiments of the present application.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of each method embodiment of the present application.
  • the aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande concerne un procédé de communication et un appareil de communication. Dans une période d'écoute d'un premier signal de réveil et/ou une période de réveil indiquée(s) par le premier signal de réveil, un dispositif terminal peut envoyer à un dispositif de réseau un signal de référence pour estimer un canal de liaison montante et/ou rapporter au dispositif de réseau des informations de canal de liaison descendante mesurées, et le dispositif de réseau peut obtenir des informations de canal sur cette base. La solution technique fournie dans les modes de réalisation de la présente demande permet de garantir que la consommation d'énergie d'un dispositif terminal est relativement faible et permet également à un dispositif de réseau d'apprendre des informations de canal, garantissant ainsi les performances de communication.
PCT/CN2025/070983 2024-02-08 2025-01-07 Procédé de communication et appareil de communication Pending WO2025167438A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202410178048 2024-02-08
CN202410178048.5 2024-02-08
CN202411093465.6A CN120456199A (zh) 2024-02-08 2024-08-08 通信方法及通信装置
CN202411093465.6 2024-08-08

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