WO2024192597A1 - Procédé et appareil de communication, et support de stockage lisible - Google Patents

Procédé et appareil de communication, et support de stockage lisible Download PDF

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Publication number
WO2024192597A1
WO2024192597A1 PCT/CN2023/082341 CN2023082341W WO2024192597A1 WO 2024192597 A1 WO2024192597 A1 WO 2024192597A1 CN 2023082341 W CN2023082341 W CN 2023082341W WO 2024192597 A1 WO2024192597 A1 WO 2024192597A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
duration
period
wus
network device
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.)
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PCT/CN2023/082341
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English (en)
Chinese (zh)
Inventor
付婷
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.)
Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software 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 Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202610105847.9A priority Critical patent/CN121842750A/zh
Priority to PCT/CN2023/082341 priority patent/WO2024192597A1/fr
Priority to CN202380008650.8A priority patent/CN116584128B/zh
Publication of WO2024192597A1 publication Critical patent/WO2024192597A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular to a communication method, device, and readable storage medium.
  • LP WUS Low Power Wake Up Signal
  • 3GPP 3rd Generation Partnership Project
  • UE User Equipment
  • LP WUR Low Power Wake Up Receiver
  • the UE needs to use the main transceiver to process uplink and downlink data normally. If the UE receives LP WUS and the LP WUS indicates wake-up, the UE will turn on the main transceiver to process uplink and downlink data; if the UE does not receive LP WUS, or the LP WUS indicates not to wake up, the UE will keep the main transceiver in sleep mode, thereby achieving energy saving of the UE.
  • the present disclosure provides a communication method, an apparatus, and a readable storage medium.
  • the present disclosure provides a communication method, which is performed by a user equipment, and the method includes:
  • a first period for evaluating the quality of the wireless link is determined according to a first duration.
  • the user equipment when the user equipment is configured with LP WUS, it can determine the first period for evaluating the quality of the wireless link according to the first duration, so that the user equipment in the energy-saving state can also use the method disclosed in the present invention to determine the period for evaluating the quality of the wireless link, so that the user equipment in the energy-saving state can perform timely RLM according to the first period.
  • determining the first period for evaluating the quality of the wireless link according to the first duration includes:
  • the first period is determined according to the first duration and the shortest period of the reference signal in the radio link monitoring RLM.
  • the first period is a maximum value between the first duration and the shortest period.
  • the method further includes:
  • the first duration is defined by a protocol.
  • the first duration includes N candidate values, where the N candidate values correspond to N different terminal capabilities, respectively, where N is greater than or equal to 1.
  • the method further includes:
  • Information indicating the terminal capabilities supported by the user equipment is sent to a network device.
  • the method further includes:
  • Configuration information sent by a network device is received, where the configuration information is used to configure the terminal capability applied by the user equipment.
  • the The first duration is the C-DRX cycle.
  • the method further includes:
  • the state of monitoring the LP WUS is switched to the state of main transceiver receiving and transmitting data, and RLM is performed; or,
  • the state of transmitting and receiving data of the main transceiver is switched at the start time of the working period of the C-DRX, and RLM is performed.
  • the present disclosure provides a communication method, which is performed by a network device, and the method includes:
  • the indication information is used to indicate a first duration, wherein the first duration is used by the user equipment to determine a first period for evaluating the quality of a wireless link when the user equipment is configured with LP WUS.
  • the network device may send an indication message to the user device to inform the user device of the first duration.
  • the first period for evaluating the quality of the wireless link may be determined according to the first duration, so that the user device in the energy-saving state may perform timely RLM according to the first period.
  • the method further includes:
  • the method further includes:
  • the first duration includes N candidate values, where the N candidate values correspond to N different terminal capabilities, respectively, where N is greater than or equal to 1.
  • the first duration is a cycle of C-DRX.
  • the LP WUS is sent during the working period of the C-DRX, or the LP WUS is sent before the working period of the C-DRX.
  • the first period is the first duration, or the first period is the maximum value between the first duration and the shortest period of a reference signal in the RLM.
  • the present disclosure provides a communication device, which can be used to execute the steps performed by a user equipment in the first aspect or any possible design of the first aspect.
  • the user equipment can implement each function in the above methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • the device may include a processing module, wherein the processing module can be used for the communication device to perform processing operations, such as generating information/message to be sent, or processing a received signal to obtain information/message.
  • processing module can be used for the communication device to perform processing operations, such as generating information/message to be sent, or processing a received signal to obtain information/message.
  • the processing module is configured to determine a first period for evaluating the quality of the wireless link based on a first duration when a low power wake-up signal LP WUS is configured.
  • the present disclosure provides a communication device, which can be used to execute the steps performed by a network device in the second aspect or any possible design of the second aspect.
  • the network device can implement each function in the above methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • the device may include a transceiver module, wherein the transceiver module can be used to support the communication device to communicate.
  • the transceiver module is configured to send indication information to the user equipment, wherein the indication information is used to indicate a first duration, wherein the first duration is used by the user equipment to determine a first period for evaluating the quality of the wireless link when the user equipment is configured with LP WUS.
  • the present disclosure provides a user device, comprising a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the first aspect or any possible design of the first aspect.
  • the present disclosure provides a network device, comprising a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the second aspect or any possible design of the second aspect.
  • the present disclosure provides a computer-readable storage medium, which stores instructions (or computer programs, programs), which, when called and executed on a computer, enable the computer to execute the above-mentioned first aspect or any possible design of the first aspect.
  • the present disclosure provides a computer-readable storage medium, in which instructions (or computer programs, programs) are stored.
  • instructions or computer programs, programs
  • the computer executes the above-mentioned second aspect or any possible design of the second aspect.
  • FIG1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure.
  • FIG2 is an interactive flow chart of a communication method according to an exemplary embodiment
  • FIG3 is a flow chart showing a communication method according to an exemplary embodiment
  • FIG4 is a flow chart showing another communication method according to an exemplary embodiment
  • FIG5 is a schematic diagram showing a C-DRX and a sending LP WUS position according to an exemplary embodiment
  • FIG6 is a schematic diagram showing another C-DRX and a sending LP WUS position according to an exemplary embodiment
  • FIG7 is a flow chart showing a communication method according to another exemplary embodiment
  • FIG8 is a block diagram of a communication device according to an exemplary embodiment
  • FIG9 is a block diagram of a user equipment according to an exemplary embodiment
  • FIG10 is a block diagram of a communication device according to an exemplary embodiment
  • Fig. 11 is a block diagram of a communication device according to an exemplary embodiment.
  • first, second, third, etc. may be used to describe various information in the disclosed embodiments, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the words "if” and “if” as used herein may be interpreted as “at” or "when” or "in response to determination”.
  • a communication method provided in an embodiment of the present disclosure may be applied to a wireless communication system 100, which may include a user equipment 101 and a network device 102.
  • the user equipment 101 is configured to support carrier aggregation and may be connected to multiple carrier components of the network device 102, including a primary carrier component and one or more secondary carrier components.
  • the application scenarios of the wireless communication system 100 include, but are not limited to, long-term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD) system, worldwide interoperability for microwave access (WiMAX) communication system, cloud radio access network (CRAN) system, future fifth-generation (5G) system, new radio (NR) communication system or future evolved public land mobile network (PLMN) system, etc.
  • LTE long-term evolution
  • FDD frequency division duplex
  • TDD LTE time division duplex
  • WiMAX worldwide interoperability for microwave access
  • CDRF cloud radio access network
  • 5G fifth-generation
  • NR new radio
  • PLMN future evolved public land mobile network
  • the user equipment 101 shown above may be a terminal, an access terminal, a terminal unit, a terminal station, a mobile station (MS), a remote station, a remote terminal, a mobile terminal, a wireless communication device, a terminal agent or a terminal device, etc.
  • the user equipment 101 may have a wireless transceiver function, and it can communicate with one or more network devices of one or more communication systems (such as wireless communication) and receive network services provided by the network devices, where the network devices include but are not limited to the network device 102 shown in the figure.
  • user equipment (UE) 101 can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA) device, a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network, or a terminal device in a future evolved PLMN network, etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the network device 102 may be an access network device (or access network point).
  • the access network device refers to a device that provides network access functions, such as a radio access network (RAN) base station, etc.
  • the network device 102 may specifically include a base station (BS), or a base station and a wireless resource management device for controlling the base station, etc.
  • the network device 102 may also include a relay station (relay device), an access point, a base station in a future 5G network, a base station in a future evolved PLMN network, or an NR base station, etc.
  • the network device 102 may be a wearable device or a vehicle-mounted device.
  • the network device 102 may also be a communication chip with a communication module.
  • the network device 102 includes, but is not limited to, a next-generation base station (gnodeB, gNB) in 5G, an evolved node B (evolved node B, eNB) in an LTE system, a radio network controller (radio network controller, RNC), a node B (node B, NB) in a WCDMA system, a wireless controller under a CRAN system, a base station controller (basestation controller, BSC), a base transceiver station (base transceiver station, BTS) in a GSM system or a CDMA system, a home base station (for example, home evolved nodeB, or home node B, HNB), a baseband unit (baseband unit, BBU), a transmitting point (transmitting and receiving point, TRP), a transmitting point (transmitting point, TP) or a mobile switching center, etc.
  • a next-generation base station gNB
  • eNB evolved node B
  • RNC radio network controller
  • the main transceiver of the user device 101 is usually in a sleep state or not in active time in order to save energy. It is necessary to solve the problem of how to determine the indication period (Indication Period) of the radio link monitoring (Radio Link Monitoring, RLM) in the state configured with LP WUS.
  • indication Period Information Period
  • RLM Radio Link Monitoring
  • FIG. 2 is an interactive schematic diagram of a communication method according to an exemplary embodiment. As shown in FIG. 2 , the method includes steps S201 to S202, specifically:
  • step S201 the network device 102 sends indication information to the user equipment, where the indication information is used to indicate a first duration, wherein the first duration is used by the user equipment to determine a first period for evaluating the quality of a wireless link when the user equipment is configured with LP WUS.
  • the network device 102 may send the indication information via high-level signaling, wherein the high-level signaling is, for example, Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • the first duration (T) may be a fixed value, or include multiple candidate values.
  • the network device 102 configures a first duration for the plurality of user devices 101 , where the first duration is a fixed value applicable to a plurality of RLM scenarios.
  • the network device 102 configures corresponding first durations for different user equipments 101 , for example, the user equipments 101 with different terminal capabilities are respectively configured with corresponding first durations.
  • the first duration may be related to an average period at which the network device 102 sends the LP WUS, or related to an average period at which the network device 102 sends downlink information.
  • the network device 102 determines through statistics that on average it needs to send an LP WUS once every 80 ms to wake up the user device 101 to receive downlink data, so the first duration can be configured to 80 ms or close to 80 ms.
  • Step S202 the user equipment 101 receives the indication information.
  • Step S203 When the user equipment 101 is configured with the low power wake-up signal LP WUS, the user equipment 101 determines a first period for evaluating the quality of the wireless link according to a first duration.
  • the user equipment 101 may be a user equipment 101 in an RRC connected state.
  • the network device 102 configures the time domain resources of the LP WUS for the user equipment 101.
  • the main transceiver of the user equipment 101 can receive downlink information and/or send uplink information when it is in an active time. In a scenario where the user equipment 101 is configured with LP WUS, if the main transceiver of the user equipment 101 does not detect information corresponding to the terminal within a set time period, the main transceiver will enter an inactive time period.
  • the main transceiver will not monitor all or part of the downlink channels during the non-activated period, for example, it will not monitor the physical downlink control channel (Physical Downlink Control Channel, PDCCH) channel, or will not monitor the downlink reference signal.
  • PDCCH Physical Downlink Control Channel
  • the user device 101 monitors the LP WUS through the low power transceiver.
  • the state in which the main transceiver is in an inactive period can also be called a power saving state or a sleep state.
  • the user device 101 when the user device 101 monitors the LP WUS corresponding to the terminal and the LP WUS indicates wake-up, the user device 101 can wake up the main transceiver, that is, the main transceiver enters the active period from the inactive period to perform RLM.
  • the user device 101 can wake up the main transceiver to perform RLM even if the LP WUS is not received.
  • the first period refers to, for example, an indication period (Indication Period).
  • the user equipment 101 can perform RLM on the primary cell (PCell) and the primary secondary cell (PScell).
  • the RLM of the user equipment 101 may include the following process: the physical layer of the user equipment 101 evaluates the radio link quality (Radio Link Quality) once in each first period (per Indication Period), such as evaluating the measurement result of the reference signal (Reference signal, RS) of the cell to be measured.
  • the radio link quality may be evaluated based on the synchronization threshold (Q in ) and the desynchronization threshold (Q out ) for the measurement result of the past period.
  • the RLM of the user equipment 101 may include the following process: the physical layer of the user equipment 101 evaluates the wireless link quality once in each first period, and the wireless link quality may be evaluated based on the measurement results of Qin and Qout for a past period of time.
  • the user equipment 101 may determine the first duration as the first period.
  • the user equipment 101 may determine the first period according to the first duration and the shortest period of the reference signal in the radio link monitoring RLM.
  • the first period is the maximum value between the first duration and the shortest period of the reference signal.
  • the interaction process between the user device 101 and the network device 102 is only illustrative and not limiting.
  • the method of the embodiment of the present disclosure may not include step S201, such as a scenario in which the first duration is defined by a protocol. Please refer to the description of the following embodiment for details.
  • the user device 101 when configured with LP WUS, can determine the first period for evaluating the quality of the wireless link according to the first duration, so that the user device 101 in the energy-saving state can also use the method of the present disclosure to determine the period for evaluating the quality of the wireless link, so that the user device 101 in the energy-saving state can perform timely RLM according to the first period.
  • FIG. 3 is a schematic diagram of a communication method according to an exemplary embodiment. As shown in FIG. 3 , the method includes step S301, specifically:
  • Step S301 When the user equipment 101 is configured with a low power wake-up signal LP WUS, the user equipment 101 determines a first period for evaluating the quality of a wireless link according to a first duration.
  • the first duration may be a fixed value, or include multiple candidate values.
  • the user equipment 101 may determine that the first period is equal to the first duration.
  • step S301 may include the following steps: the user equipment 101 determines the first period according to the first duration and the shortest period of monitoring the reference signal in the RLM of the radio link.
  • the network device 102 may pre-configure the time domain resources of the RS used for the RLM for the user equipment 101 .
  • the network device 102 may configure multiple RSs, each RS corresponding to a set of time domain resources, such as each RS corresponding to its own transmission period.
  • the first period is the minimum value of the transmission periods corresponding to the multiple RSs.
  • the user equipment 101 may determine the maximum value between the first duration and the shortest period of the reference signal in the RLM as the first period.
  • the main transceiver of the user device 101 may be in an inactive period.
  • the user device 101 monitors the LP WUS through a low-power receiver.
  • the first period refers to, for example, an indication period.
  • the physical layer of the user equipment 101 evaluates the radio link quality once in each first period, such as evaluating the measurement result of the reference signal of the cell to be measured.
  • the radio link quality may be evaluated based on the measurement results of the past period of time , Qin and Qout .
  • the user equipment 101 may be configured or not configured with connected discontinuous reception (C-DRX).
  • C-DRX connected discontinuous reception
  • the user equipment 101 when configured with LP WUS, can determine the first period for evaluating the quality of the wireless link according to the first duration, so that the user equipment 101 in the energy-saving state can also use the method of the present disclosure to determine the period for evaluating the quality of the wireless link, so that the user equipment 101 in the energy-saving state can determine the period for evaluating the quality of the wireless link according to the first period. Carry out timely RLM in a timely manner.
  • FIG. 4 is a schematic diagram of a communication method according to an exemplary embodiment. As shown in FIG. 4 , the method includes steps S401 to S402, specifically:
  • Step S401 The user equipment 101 receives indication information sent by a network device, where the indication information is used to indicate a first duration.
  • the user equipment 101 may not be configured with C-DRX.
  • the network device 102 may send the indication information via high-layer signaling, for example, the high-layer signaling is RRC signaling.
  • the first duration is related to an average period of the network device 102 sending LP WUS, or the first period is related to an average period of the network device sending downlink information.
  • the network device 102 determines through statistics that on average it needs to send an LP WUS once every 80 ms to wake up the user device 101 to receive downlink data, so the first duration can be configured to 80 ms or close to 80 ms.
  • the network device 102 may indicate a first duration applicable to multiple user equipments 101 , or the network device 102 corresponds to the terminal capabilities of the user equipments 101 .
  • Step S402 When the user equipment 101 is configured with the low power wake-up signal LP WUS, the user equipment 101 determines a first period for evaluating the quality of the wireless link according to a first duration.
  • step S402 may refer to the description of step S301 in the above embodiment, which will not be repeated here.
  • the user equipment 101 may also determine the first period according to the first duration and the shortest period of the reference signal in the RLM.
  • the user device 101 when the user device 101 is only configured with the LP WUS function but not configured with C-DRX, the user device 101 can obtain the first duration configured by the network device 102 based on the indication information sent by the network device 102, thereby determining the first period for evaluating the quality of the wireless link.
  • the present disclosure embodiment provides a communication method, which is executed by the user equipment 101.
  • the method includes step S301, specifically:
  • Step S301 When the user equipment 101 is configured with a low power wake-up signal LP WUS, the user equipment 101 determines a first period for evaluating the quality of a wireless link according to a first duration.
  • the first duration is defined by the protocol.
  • the user equipment 101 may also determine the first period according to the first duration and the shortest period of the reference signal in the RLM.
  • the user equipment 101 may not be configured with C-DRX.
  • the protocol may define a value of the first duration, or a method for determining the first duration.
  • the first duration may be applicable to multiple user equipments 101, or a protocol may define first durations corresponding to user equipments 101 with different terminal capabilities.
  • the first duration includes N candidate values, where the N candidate values correspond to N different terminal capabilities, respectively, and N is greater than or equal to 1.
  • the terminal capability is used to indicate the duration of the transition of the user device 101 from the main transceiver sleep state or the state of monitoring LP WUS through the low power transceiver to the main transceiver wake-up state for transmitting and receiving data.
  • the protocol can define first durations for user equipment 101 with different terminal capabilities.
  • a long conversion duration indicates that the terminal capability is weak, and the first duration is large;
  • a short conversion duration indicates that the terminal capability is strong, and the first duration is small.
  • the terminal capability of the user equipment 101 is the first capability, the terminal capability is relatively strong, and the first duration T1 is 80ms.
  • the terminal capability of the user equipment 101 is the second capability, the terminal capability is weaker than the first capability, and the second duration is larger than the first duration, which is 160ms.
  • the strength of the Nth capability and the first capability or the second capability is not limited, and the range of TN can be adaptively defined according to the strength of the capability.
  • configuring the first duration to be larger may allow the user equipment 101 to have sufficient time to perform the state transition.
  • the user equipment 101 when the user equipment 101 is only configured with the LP WUS function but not with C-DRX, the user equipment 101 can determine the first duration corresponding to its own terminal capability according to the method defined by the protocol, thereby determining the first period for evaluating the quality of the wireless link.
  • the present disclosure embodiment provides a communication method, which is performed by a user device 101.
  • the method includes steps S300-10 and S301, specifically:
  • Step S300 - 10 the user equipment 101 sends information indicating the terminal capabilities supported by the user equipment 101 to the network equipment 102 .
  • the user equipment 101 may report the terminal capability by sending capability information.
  • the terminal capability of the user equipment 101 may be the first capability or the second capability, etc.
  • the terminal capabilities reported by the user equipment 101 may be provided for reference by the network device 102 .
  • the network device 102 obtains the first duration defined by the protocol according to the terminal capability.
  • the network device 102 configures the first duration according to the terminal capability.
  • Step S301 When the user equipment 101 is configured with a low power wake-up signal LP WUS, the user equipment 101 determines a first period for evaluating the quality of a wireless link according to a first duration.
  • the first duration is defined by the protocol.
  • the first duration includes N candidate values, where the N candidate values correspond to N different terminal capabilities, respectively, and N is greater than or equal to 1.
  • step S301 in the manner in which the protocol defines the first duration, the real-time sequence of step S300-10 and step S301 is only for illustration, and for example, step S301 may also be performed first.
  • the user equipment 101 may report the terminal capability to the network device 102, so that the network device 102 may obtain the first duration corresponding to the user equipment 101 according to the terminal capability, and may also obtain the first period for the user equipment 101 to perform wireless link quality assessment.
  • the present disclosure embodiment provides a communication method, which is performed by a user device 101.
  • the method includes steps S300-20 and S301, specifically:
  • Step S300-20 the user equipment 101 receives the configuration information sent by the network device 102, where the configuration information is used to configure the terminal capability applied by the user equipment.
  • the network device 102 configures applicable terminal capabilities for the user equipment 101.
  • the user equipment 101 determines, according to the terminal capabilities configured by the network device 102, a first duration corresponding to the terminal capabilities in the protocol.
  • the method may further include step S300-10 before step S300-20.
  • the network device 102 may configure the terminal capabilities applied by the user equipment 101 according to the terminal capabilities supported by the UE reported by the user equipment 101.
  • the terminal capability configured by the network device 102 may be the same as the terminal capability supported by the user equipment 101 , or one of multiple terminal capabilities supported by the user equipment 101 may be selected.
  • Step S301 When the user equipment 101 is configured with a low power wake-up signal LP WUS, the user equipment 101 determines a first period for evaluating the quality of a wireless link according to a first duration.
  • the first duration is defined by the protocol.
  • step S301 can refer to the description of the above embodiment, which will not be repeated here.
  • the user equipment 101 can also determine the first period according to the first duration and the shortest period of the reference signal in the RLM.
  • the first duration includes N candidate values, where the N candidate values correspond to N different terminal capabilities, respectively, and N is greater than or equal to 1.
  • the user equipment 101 may determine the first duration corresponding to the terminal capability defined in the protocol according to the terminal capability configured by the network device 102, so as to perform RLM in a timely manner.
  • the present disclosure embodiment provides a communication method, which is executed by the user equipment 101.
  • the method includes step S301, specifically:
  • Step S301 When the user equipment 101 is configured with a low power wake-up signal LP WUS, the user equipment 101 determines a first period for evaluating the quality of a wireless link according to a first duration.
  • the first duration is a C-DRX cycle.
  • the network device 102 may pre-configure the time domain resources of C-DRX for the user equipment 101.
  • the network device 102 indicates at least one of the following: a C-DRX cycle, a starting offset value, a working period. The length of the on period (on duration) and the length of the off period (off duration).
  • each C-DRX cycle includes a working period and a sleeping period.
  • the method may further include the following step S302-10 or S302-20.
  • the method includes steps S301 and S302-10, wherein:
  • Step S302-10 when the user equipment 101 receives LP WUS during the working period of C-DRX, it switches from the state of monitoring LP WUS to the state of main transceiver receiving and sending data, and performs RLM.
  • the user equipment 101 can still maintain the state of the low-power transceiver monitoring the LP WUS, and the main transceiver is still in the inactive period or sleep state.
  • the main transceiver of the user equipment 101 can still remain in the sleep state without monitoring the PDCCH, and monitor the LP WUS through the low-power transceiver.
  • the main transceiver of the user equipment 101 After receiving the LP WUS at time t1, the main transceiver of the user equipment 101 will wake up to transmit and receive data normally, such as monitoring the PDCCH and/or the downlink reference signal.
  • the method includes steps S301 and S302-20, wherein:
  • Step S302-20 when the user equipment 101 receives LP WUS before the C-DRX working period, it switches to the main transceiver data receiving and transmitting state at the start time of the C-DRX working period and performs RLM.
  • the user equipment 101 receives an LP WUS indicating that the terminal is awakened before the working period. For example, the user equipment 101 receives an LP WUS at time t0’ before time t0, and the user equipment 101 can wake up at the start time t0 of the working period, that is, it is converted to a normal state of receiving and transmitting data, such as monitoring PDCCH and/or downlink reference signals.
  • the working period t2 to t3 may not be started, that is, the main transceiver may still be in an inactive period during the period t2 to t3.
  • the interval between the time when the network device 102 sends the LP WUS and the start time of the working period can be pre-configured by the network device 102.
  • the process of the user equipment 101 performing RLM may include: the physical layer of the user equipment 101 evaluates the quality of the radio link once in each first period.
  • the main transceiver of the user equipment 101 receives and measures the reference signal of the cell to be measured in the first time period in the awake state to obtain the measurement result.
  • the user equipment 101 evaluates the measurement result according to Qin and Qout .
  • the measurement result may be at least one of the following: a reference signal received power (Reference Signal Received Power, RSRP) of a reference signal, a reference signal received quality (Reference Signal Received Quality, RSRQ), and a signal to interference plus noise ratio (Signal to Interference plus Noise Ratio, SINR).
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • SINR Signal to Interference plus Noise Ratio
  • the user equipment 101 may determine a first duration according to the C-DRX cycle, and determine a first cycle according to the first duration, so as to perform timely RLM.
  • FIG. 7 is a schematic diagram of a communication method according to an exemplary embodiment. As shown in FIG. 7 , the method includes step S701, specifically:
  • step S701 the network device 102 sends indication information to the user device 101, where the indication information is used to indicate a first duration, wherein the first duration is used by the user device to determine a first period for evaluating the quality of a wireless link when the user device is configured with LP WUS.
  • the network device 102 may send the indication information via high-layer signaling, for example, the high-layer signaling is RRC signaling.
  • the first duration is related to an average period of the network device 102 sending LP WUS, or the first period is related to an average period of the network device sending downlink information.
  • the network device 102 determines through statistics that on average it needs to send an LP WUS once every 80 ms to wake up the user device 101 to receive downlink data, so the first duration can be configured to 80 ms or close to 80 ms.
  • the network device 102 may indicate a first duration applicable to multiple user equipments 101 , or the network device 102 corresponds to the terminal capabilities of the user equipments 101 .
  • the user equipment 101 determines a first period for evaluating the quality of the wireless link according to the first duration when monitoring the low power wake-up signal LP WUS.
  • the first duration is determined as the first period; or the user equipment 101 may also determine the maximum value of the first duration and the shortest period of the reference signal in the RLM as the first period.
  • the first period refers to, for example, an indication period.
  • the physical layer of the user equipment 101 evaluates the radio link quality once in each first period, such as evaluating the measurement result of the reference signal of the cell to be measured.
  • the radio link quality may be evaluated based on the measurement results of the past period of time , Qin and Qout .
  • the first period is the first duration, or the first period is the maximum value between the first duration and the shortest period of the reference signal in the RLM.
  • the first duration may be configured by the network device 102 through the indication information.
  • the first duration may also be defined by a protocol.
  • the first duration may be a cycle of C-DRX.
  • the network device 102 may send an instruction message to the user device 101 to inform the user device 101 of the first duration.
  • the user device 101 in the state of monitoring LP WUS, may determine the first period for evaluating the quality of the wireless link according to the first duration, so that the user device 101 in the energy-saving state may perform timely RLM according to the first period.
  • the embodiment of the present disclosure provides a communication method, which is executed by the network device 102.
  • the method includes steps S700-10 and S701, specifically:
  • Step S700-10 the network device 102 receives a terminal sent by the user equipment 101 to indicate that the user equipment 101 supports the terminal. information about the terminal capabilities.
  • step S701 the network device 102 sends indication information to the user device 101, where the indication information is used to indicate a first duration, wherein the first duration is used by the user device to determine a first period for evaluating the quality of a wireless link when the user device is configured with LP WUS.
  • step S701 can refer to the description of the above embodiment and will not be repeated here.
  • step S300-10 and step S301 are only for illustration, and for example, step S301 may also be performed first.
  • the network device 102 may obtain, based on the terminal capability reported by the user equipment 101 , the first duration corresponding to the user equipment 101 defined by the protocol.
  • the network device 102 when the network device 102 configures the first duration, the network device 102 may configure the corresponding first duration according to the terminal capability of the user equipment 101 .
  • the first duration includes N candidate values, where the N candidate values correspond to N different terminal capabilities, respectively, and N is greater than or equal to 1.
  • the corresponding relationship between the terminal capability and the first duration may refer to the description of the corresponding embodiment in Table 1.
  • the network device 102 may obtain the first duration corresponding to the user equipment 101 according to the terminal capability reported by the user equipment 101, so as to obtain the first period for the user equipment 101 to perform radio link quality assessment.
  • the embodiment of the present disclosure provides a communication method, which is executed by the network device 102.
  • the method includes steps S700-20 and S701, specifically:
  • Step S700-20 the network device 102 sends configuration information to the user equipment 101, where the configuration information is used to configure the terminal capability applied by the user equipment.
  • step S701 the network device 102 sends indication information to the user device 101, where the indication information is used to indicate a first duration, wherein the first duration is used by the user device to determine a first period for evaluating the quality of a wireless link when the user device is configured with LP WUS.
  • step S701 can refer to the description of the above embodiment and will not be repeated here.
  • the network device 102 configures applicable terminal capabilities for the user equipment 101.
  • the user equipment 101 determines, according to the terminal capabilities configured by the network device 102, a first duration corresponding to the terminal capabilities in the protocol.
  • the method may further include step S700-10 before step S700-20.
  • the network device 102 may configure the terminal capabilities applied by the user equipment 101 according to the terminal capabilities supported by the UE reported by the user equipment 101.
  • the terminal capability configured by the network device 102 may be the same as the terminal capability supported by the user equipment 101 , or one of multiple terminal capabilities supported by the user equipment 101 may be selected.
  • the first duration is defined by a protocol.
  • the first duration includes N candidate values, where the N candidate values correspond to N different terminal capabilities, respectively, and N is greater than or equal to 1.
  • the corresponding relationship between the terminal capability and the first duration may refer to the description of the corresponding embodiment in Table 1.
  • the network device 102 can configure the terminal capability for the user equipment 101, so that the user equipment 101 determines the first duration according to the terminal capability configured by the network device 102, thereby determining the first period for the user equipment 101 to perform wireless link quality assessment.
  • the embodiment of the present disclosure provides a communication method, which is executed by the network device 102.
  • the method includes step S701, specifically:
  • step S701 the network device 102 sends indication information to the user device 101, where the indication information is used to indicate a first duration, wherein the first duration is used by the user device to determine a first period for evaluating the quality of a wireless link when the user device is configured with LP WUS.
  • the first duration is the cycle of C-DRX.
  • the network device 102 may pre-configure C-DRX time domain resources for the user equipment 101.
  • the network device 102 indicates at least one of the following: a C-DRX cycle, a starting offset value, a duration of a working period, and a duration of a sleeping period.
  • each C-DRX cycle includes a working period and a sleeping period.
  • the LP WUS is sent during the working period of C-DRX, or the LP WUS is sent before the working period of C-DRX.
  • the embodiment of the present disclosure also provides a communication device, which can have the functions of the user equipment 101 in the above method embodiment, and can be used to execute the steps performed by the user equipment 101 provided by the above method embodiment.
  • the function can be implemented by hardware, or by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the apparatus 800 shown in FIG8 may be used as the user equipment 101 involved in the above method embodiment, and execute the steps performed by the user equipment 101 in the above method embodiment.
  • the apparatus 800 may include a processing module 801, wherein the processing module 801 may be used for the communication device to perform processing operations, such as generating information/message to be sent, or processing a received signal to obtain information/message.
  • the processing module 801 When executing the steps implemented by the user equipment 101, the processing module 801 is configured to determine a first period for evaluating the quality of the wireless link based on a first duration when a low power wake-up signal LP WUS is configured.
  • Device 900 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • the device 900 may include one or more of the following components: a processing component 902 , a memory 904 , a power component 906 , a multimedia component 908 , an audio component 910 , an input/output (I/O) interface 912 , a sensor component 914 , and a communication component 916 .
  • the processing component 902 generally controls the overall operation of the device 900, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 902 may include one or more processors 920 to execute instructions to complete all or part of the steps of the above-mentioned method.
  • the processing component 902 may include one or more modules to facilitate the interaction between the processing component 902 and other components.
  • the processing component 902 may include a multimedia module to facilitate the interaction between the multimedia component 908 and the processing component 902.
  • the memory 904 is configured to store various types of data to support operations on the device 900. Examples of such data include instructions for any application or method operating on the device 900, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 904 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power supply component 906 provides power to the various components of the device 900.
  • the power supply component 906 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 900.
  • the multimedia component 908 includes a screen that provides an output interface between the device 900 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
  • the multimedia component 908 includes a front camera and/or a rear camera. When the device 900 is in an operating mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
  • the audio component 910 is configured to output and/or input audio signals.
  • the audio component 910 includes a microphone (MIC), and when the device 900 is in an operating mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal.
  • the received audio signal can be further stored in the memory 904 or sent via the communication component 916.
  • the audio component 910 also includes a speaker for outputting audio signals.
  • I/O interface 912 provides an interface between processing component 902 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: home button, volume button, start button, and lock button.
  • the sensor assembly 914 includes one or more sensors for providing various aspects of the status assessment of the device 900.
  • the sensor assembly 914 can detect the open/closed state of the device 900, the relative positioning of components, such as the display and keypad of the device 900, the sensor assembly 914 can also detect the position change of the device 900 or a component of the device 900, the presence or absence of user contact with the device 900, the orientation or acceleration/deceleration of the device 900 and the temperature change of the device 900.
  • the sensor assembly 914 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • the sensor assembly 914 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 914 may also include an acceleration sensor. sensor, gyro sensor, magnetic sensor, pressure sensor or temperature sensor.
  • the communication component 916 is configured to facilitate wired or wireless communication between the device 900 and other devices.
  • the device 900 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 916 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 916 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the apparatus 900 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • controllers microcontrollers, microprocessors or other electronic components to perform the above method.
  • a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 904 including instructions, and the instructions can be executed by the processor 920 of the device 900 to perform the above method.
  • the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
  • the embodiment of the present disclosure also provides a communication device, which can have the functions of the network device 102 in the above method embodiment, and can be used to execute the steps performed by the network device 102 provided by the above method embodiment.
  • the function can be implemented by hardware, or by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the apparatus 1000 shown in FIG10 may be used as the network device 102 involved in the above method embodiment, and execute the steps performed by the network device 102 in the above method embodiment.
  • the apparatus 1000 may include a transceiver module 1001, wherein the transceiver module 1001 may be used to support the communication device to communicate.
  • the transceiver module 1001 When executing the steps implemented by the network device 102, the transceiver module 1001 is configured to send indication information to the user equipment, wherein the indication information is used to indicate a first duration, wherein the first duration is used by the user equipment to determine a first period for evaluating the quality of the wireless link when the user equipment is configured with LP WUS.
  • the communication device When the communication device is a network device 102, its structure can also be shown in Figure 11. Take the base station as an example to illustrate the structure of the communication device. As shown in Figure 11, the device 1100 includes a memory 1101, a processor 1102, a transceiver component 1103, and a power supply component 1106. Among them, the memory 1101 is coupled to the processor 1102, and can be used to store the programs and data necessary for the communication device 1100 to implement various functions.
  • the processor 1102 is configured to support the communication device 1100 to perform the corresponding functions in the above method, and the functions can be implemented by calling the program stored in the memory 1101.
  • the transceiver component 1103 can be a wireless transceiver, which can be used to support the communication device 1100 to receive signaling and/or data through a wireless air interface, and send signaling and/or data.
  • the transceiver component 1103 may also be referred to as a transceiver unit or a communication unit.
  • the transceiver component 1103 may include a radio frequency component 1104 and one or more antennas 1105, wherein the radio frequency component 1104 may be a remote radio unit (RRU), which may be specifically used for transmission of radio frequency signals and conversion of radio frequency signals into baseband signals, and the one or more antennas 1105 may be specifically used for radiation and reception of radio frequency signals.
  • RRU remote radio unit
  • the processor 1102 may perform baseband processing on the data to be sent.
  • the baseband signal is output to the RF unit, and the RF unit performs RF processing on the baseband signal and transmits the RF signal in the form of electromagnetic waves through the antenna.
  • the RF unit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor 1102, which converts the baseband signal into data and processes the data.
  • the user equipment when the user equipment is configured with LP WUS, it can determine the first period for evaluating the quality of the wireless link according to the first duration, so that the user equipment in the energy-saving state can also use the method disclosed in the present invention to determine the period for evaluating the quality of the wireless link, so that the user equipment in the energy-saving state can perform timely RLM according to the first period.

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

Abstract

La présente divulgation concerne un procédé et un appareil de communication, et un support de stockage lisible. Le procédé comprend l'étape suivante : lorsqu'il se trouve dans un état dans lequel un signal de réveil à faible puissance (WUS LP) est configuré, détermination, selon une première durée, d'une première période pour évaluer une qualité de liaison radio. Dans le procédé de la présente divulgation, lorsqu'il se trouve dans un état dans lequel un WUS LP est configuré, un équipement utilisateur peut déterminer, selon une première durée, une première période pour évaluer une qualité de liaison radio, et un équipement utilisateur dans un état d'économie d'énergie peut également utiliser le procédé de la présente divulgation pour déterminer une période pour évaluer la qualité de liaison radio, de sorte que l'équipement utilisateur dans l'état d'économie d'énergie puisse mettre en œuvre une RLM de manière opportune selon la première période.
PCT/CN2023/082341 2023-03-17 2023-03-17 Procédé et appareil de communication, et support de stockage lisible Ceased WO2024192597A1 (fr)

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CN202610105847.9A CN121842750A (zh) 2023-03-17 2023-03-17 一种通信方法、装置以及可读存储介质
PCT/CN2023/082341 WO2024192597A1 (fr) 2023-03-17 2023-03-17 Procédé et appareil de communication, et support de stockage lisible
CN202380008650.8A CN116584128B (zh) 2023-03-17 2023-03-17 一种通信方法、装置以及可读存储介质

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