WO2022193205A1 - Procédé et appareil de traitement d'économie d'énergie d'ue, dispositif de communication et support de stockage - Google Patents

Procédé et appareil de traitement d'économie d'énergie d'ue, dispositif de communication et support de stockage Download PDF

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Publication number
WO2022193205A1
WO2022193205A1 PCT/CN2021/081424 CN2021081424W WO2022193205A1 WO 2022193205 A1 WO2022193205 A1 WO 2022193205A1 CN 2021081424 W CN2021081424 W CN 2021081424W WO 2022193205 A1 WO2022193205 A1 WO 2022193205A1
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Prior art keywords
bwp
reference signal
ssb
measurement
csi
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PCT/CN2021/081424
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English (en)
Chinese (zh)
Inventor
洪伟
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北京小米移动软件有限公司
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Priority to CN202180000798.8A priority Critical patent/CN115380573A/zh
Priority to PCT/CN2021/081424 priority patent/WO2022193205A1/fr
Publication of WO2022193205A1 publication Critical patent/WO2022193205A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements

Definitions

  • the present disclosure relates to, but is not limited to, the field of communication technologies, and in particular, relates to a UE power saving processing method, apparatus, communication device, and storage medium.
  • the new radio interface adopts carrier aggregation or dual link technology to greatly improve the transmission rate of the system; at present, three states of activation, deactivation and dormancy are introduced into the cell of user equipment (UE).
  • UE user equipment
  • the dormant state usually the cell of the UE does not need to monitor the Physical Downlink Control Channel (PDCCH), etc., but only needs to measure some reference signals and report the Channel Quality Information (CQI).
  • the UE is synchronized with the base station transmission.
  • the measurement of reference signals and the reporting of CQIs in the cell of the UE in the dormant state are not enough to save energy.
  • the embodiments of the present disclosure disclose a UE power saving processing method, apparatus, communication device, and storage medium.
  • a UE power saving processing method is provided. The method is executed by the UE, including:
  • BWP Bandwidth Part
  • the UE's measurement of the reference signal on the second BWP is relaxed in response to the signal power of the reference signal monitored on the second BWP meeting the relaxation measurement condition.
  • a UE power saving processing apparatus which is applied to the UE, and the apparatus includes:
  • a handover module configured to switch from the first BWP with downlink transmission scheduling to the second BWP without downlink transmission scheduling in response to the UE's activating BWP in the first cell, and monitor the reference signal of the first cell on the second BWP;
  • the processing module is configured to relax the measurement of the reference signal of the UE on the second BWP in response to the signal power of the reference signal monitored on the second BWP meeting the relaxation measurement condition.
  • a communication device comprising:
  • the processor is configured to implement the UE power saving processing method according to any embodiment of the present disclosure when executing the executable instruction.
  • a computer storage medium stores a computer-executable program, and when the executable program is executed by a processor, the UE power saving processing method of any embodiment of the present disclosure is implemented.
  • the active BWP of the UE in the first cell can be switched from the first BWP with downlink transmission scheduling to the second BWP without downlink transmission scheduling, and the reference signal of the first cell can be monitored on the second BWP ; In this way, the UE does not need to monitor the downlink transmission schedule in the first cell, thereby saving the power of the UE. And if the signal power of the reference signal monitored by the UE on the second BWP satisfies the relaxation measurement condition, the measurement of the reference signal of the UE on the second BWP is relaxed; in this way, the measurement of the reference signal can be relaxed by the UE, so that the UE can save more energy. Electricity.
  • FIG. 1 is a schematic structural diagram of a wireless communication system.
  • Fig. 2 is a schematic diagram of a UE power saving processing method according to an exemplary embodiment.
  • Fig. 3 is a schematic diagram of a UE power saving processing method according to an exemplary embodiment.
  • FIG. 4 is a schematic diagram of a UE power saving processing method according to an exemplary embodiment.
  • Fig. 5 is a schematic diagram showing a method for processing power saving of UE according to an exemplary embodiment.
  • FIG. 6 is a schematic diagram illustrating a UE power saving processing method according to an exemplary embodiment.
  • Fig. 7 is a block diagram of a UE power saving processing apparatus according to an exemplary embodiment.
  • FIG. 8 is a block diagram of a UE according to an example.
  • Fig. 9 is a block diagram of a base station according to an example.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the 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 word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include: several user equipments 110 and several base stations 120 .
  • the user equipment 110 may be a device that provides voice and/or data connectivity to the user.
  • User equipment 110 may communicate with one or more core networks via a Radio Access Network (RAN), and user equipment 110 may be IoT user equipment such as sensor devices, mobile phones (or "cellular" phones) ) and a computer with IoT user equipment, for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • RAN Radio Access Network
  • IoT user equipment such as sensor devices, mobile phones (or "cellular" phones)
  • a computer with IoT user equipment for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • station Ses, STA
  • subscriber unit subscriber unit
  • subscriber station subscriber station
  • mobile station mobile station
  • mobile station mobile station
  • remote station remote station
  • access terminal remote user equipment
  • the user equipment 110 may also be a device of an unmanned aerial vehicle.
  • the user equipment 110 may also be an in-vehicle device, for example, a trip computer with a wireless communication function, or a wireless user equipment connected to an external trip computer.
  • the user equipment 110 may also be a roadside device, for example, may be a street light, a signal light, or other roadside devices with a wireless communication function.
  • the base station 120 may be a network-side device in a wireless communication system.
  • the wireless communication system may be a fourth generation mobile communication (the 4th generation mobile communication, 4G) system, also known as a long term evolution (Long Term Evolution, LTE) system; or, the wireless communication system may also be a 5G system, Also known as New Radio System or 5G NR System.
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the access network in the 5G system can be called a new generation radio access network (New Generation-Radio Access Network, NG-RAN).
  • NG-RAN New Generation-Radio Access Network
  • the base station 120 may be an evolved base station (eNB) used in the 4G system.
  • the base station 120 may also be a base station (gNB) that adopts a centralized distributed architecture in a 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 120 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Medium Access Control (Medium Access Control, MAC) layer;
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Medium Access Control
  • a physical (Physical, PHY) layer protocol stack is set in the distribution unit, and a specific implementation manner of the base station 120 is not limited in this embodiment of the present disclosure.
  • a wireless connection can be established between the base station 120 and the user equipment 110 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, such as
  • the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a 5G next-generation mobile communication network technology standard.
  • an E2E (End to End, end-to-end) connection may also be established between the user equipments 110 .
  • V2V vehicle-to-vehicle
  • V2I vehicle-to-infrastructure
  • V2P vehicle-to-pedestrian
  • V2X vehicle-to-everything
  • the above-mentioned user equipment may be regarded as the terminal equipment of the following embodiments.
  • the above wireless communication system may further include a network management device 130 .
  • the network management device 130 may be a core network device in a wireless communication system, for example, the network management device 130 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME). Alternatively, the network management device may also be other core network devices, such as a serving gateway (Serving GateWay, SGW), a public data network gateway (Public Data Network GateWay, PGW), a policy and charging rules functional unit (Policy and Charging Rules) Function, PCRF) or home subscriber server (Home Subscriber Server, HSS), etc.
  • the implementation form of the network management device 130 is not limited in this embodiment of the present disclosure.
  • a UE power saving processing method is provided, and the method is executed by the UE, including:
  • Step S21 In response to the UE's activation of the BWP in the first cell, the UE is switched from the first BWP with downlink transmission scheduling to the second BWP without downlink transmission scheduling, and monitors the reference signal of the first cell on the second BWP;
  • Step S22 In response to the signal power of the reference signal monitored on the second BWP meeting the relaxation (relax) measurement condition, relax the UE's measurement of the reference signal on the second BWP.
  • the UE may be various mobile terminals or fixed terminals.
  • the UE may be, but is not limited to, a mobile phone, a computer, a server, a wearable device, a game control platform, or a multimedia device.
  • the UE is a disconnected UE.
  • the non-connected UEs include: Radio Resource Control (Radio Resource Control, RRC) idle UEs and/or RRC inactive UEs.
  • RRC Radio Resource Control
  • relaxing the measurement of the reference signal of the UE on the second BWP in step S22 may be: reducing the measurement requirement of the reference signal of the UE on the second BWP.
  • relaxing the measurement of the reference signal of the UE on the second BWP may be: the UE increases the measurement period of measuring the reference signal on the second BWP. In this way, by increasing the measurement period for measuring the reference signal on the second BWP, the measurement requirement of the UE's reference signal on the second BWP can be reduced, thereby realizing relaxation of the UE's measurement of the reference signal on the second BWP.
  • sending the measurement of the reference signal of the UE on the second BWP may also be: reducing the number of sample point values of the reference signal measured by the UE in a single measurement on the second BWP.
  • the measurement requirements of the reference signal of the UE on the second BWP can be reduced, and the measurement of the reference signal of the UE on the second BWP can be relaxed.
  • relaxing the measurement of the reference signal on the second BWP can also be implemented by any other method that reduces the measurement requirement of the reference signal of the UE on the second BWP; for example, it can also be Reducing the measurement of the reference signal of the UE on the second BWP, etc., is not limited here to the specific implementation method of reducing the measurement requirement of the reference signal of the UE on the second BWP.
  • the first cell includes: a primary cell or a secondary cell.
  • the cell where the UE is located may be a primary cell and at least one secondary cell.
  • the bandwidth occupied by one primary cell may be divided into one BWP or multiple BWPs; or the bandwidth occupied by one secondary cell may be divided into one BWP or multiple BWPs.
  • the bandwidth occupied by the first cell at least includes: a first BWP and a second BWP.
  • the first cell is a secondary cell
  • the DCI of the secondary cell may be transmitted by the primary cell in some cases.
  • the primary cell After the UE switches from the first BWP to the second BWP, the primary cell
  • the DCI of the secondary cell can be received, that is, the loss of the DCI delivered by the cell can be reduced as much as possible under the condition of saving power consumption.
  • the UE changes from the active state to the dormant state in the first cell.
  • the activated BWP may be: the BWP that the UE is currently working on.
  • downlink transmission includes but is not limited to at least one of the following:
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the activated BWP of the UE in the first cell is switched from the first BWP with PDCCH transmission scheduling to the second BWP without PDCCH transmission scheduling, and monitors the reference signal on the second BWP.
  • the UE monitors the reference signal on the second BWP there is no PDCCH transmission scheduling, which can save the power consumption of the UE.
  • the active BWP of the UE in the first cell is switched from the first BWP with PDSCH transmission scheduling to the second BWP without PDSCH transmission scheduling, and monitors the reference signal on the second BWP.
  • the UE monitors the reference signal on the second BWP there is no PDSCH transmission scheduling, which can save power consumption of the UE.
  • the active BWP of the UE in the first cell is switched from the first BWP with PDCCH and/or PDSCH transmission scheduling to the second BWP without PDCCH and/or PDSCH scheduling, and monitors the reference signal on the second BWP.
  • the UE monitors the reference signal on the second BWP there is no PDSCH and PDCCH transmission scheduling, which can save the power consumption of the UE.
  • the reference signal includes but facilitates at least one of the following:
  • Channel State Information-RS Channel State Information Reference Signal
  • the signal power of the reference signal monitored on the second BWP satisfies the relaxation measurement condition, including:
  • the signal power of the reference signal monitored on the second BWP is greater than the threshold value, and the signal power of the reference signal monitored on the second BWP satisfies the relaxation measurement condition.
  • the signal power of the reference signal monitored on the second BWP is greater than a threshold value, including but not limited to at least one of the following:
  • the signal power of the SSB monitored on the second BWP is greater than the SSB threshold
  • the signal power of the CSI-RS monitored on the second BWP is greater than the CSI-RS threshold.
  • the UE's SSB measurement on the second BWP can be relaxed, thereby further saving the power consumption of the UE.
  • the signal power of the CSI-RS is greater than the CSI-RS threshold, it is determined that the signal quality of the CSI-RS is relatively good, and reducing the measurement of the CSI-RS can also enable the UE to successfully know the channel condition information according to the current measurement or not lose it. With the synchronization with the first cell, the measurement of the UE on the CSI-RS can be relaxed, thereby further saving the power consumption of the UE.
  • the active BWP of the UE in the first cell can be switched from the first BWP with downlink transmission scheduling to the second BWP without downlink transmission scheduling, and the reference of the first cell can be monitored on the second BWP In this way, the UE does not need to monitor the downlink transmission schedule when it is in the first cell, thereby saving the power of the UE. And if the signal power of the reference signal monitored by the UE on the second BWP satisfies the relaxation measurement condition, the measurement of the reference signal of the UE on the second BWP is relaxed; in this way, the measurement of the reference signal can be relaxed by the UE, so that the UE can save more energy. Electricity.
  • a UE power saving processing method is provided, which is executed by the UE, including:
  • Step S31 In response to the reference signal received power RSRP of the SSB monitored on the second BWP being greater than the SSB threshold value, relax the measurement of the UE's SSB on the second BWP; and/or, in response to the monitored SSB on the second BWP.
  • the RSRP of the CSI-RS is greater than the CSI-RS threshold, and the measurement of the CSI-RS on the second BWP by the UE is relaxed.
  • the first BWP is the first BWP described in step S21
  • the second BWP is the second BWP described in step S21.
  • relaxing the measurement of the UE's reference signal on the second BWP includes at least one of the following:
  • the UE increases the measurement period for measuring the reference signal in the second BWP
  • a UE power saving processing method provided by an embodiment of the present disclosure, performed by the UE includes: in response to the RSRP of the SSB monitored on the second BWP being greater than the SSB threshold, the UE measures the period according to the increased SSB in the second BWP. Measure SSB.
  • the increased SSB measurement period is N times the SSB measurement period before the increase, where N is greater than one.
  • the BWP of the first cell of the UE at least includes: a first BWP and a second BWP; wherein the first BWP is a BWP with downlink transmission scheduling, and the second BWP is a BWP without downlink transmission scheduling;
  • the second BWP in the cell listens to the SSB signal.
  • the UE determines to increase the SSB measurement period T1 to N ⁇ T1, and performs SSB measurement based on the N ⁇ T1 SSB measurement period.
  • N can be any value greater than 1; for example, N is an integer greater than 1, and the like.
  • the UE can perform the SSB measurement based on the increased SSB measurement period; thus, the SSB measurement can be performed based on a relatively longer time interval, which can greatly save the power consumption of the UE.
  • a UE power saving processing method provided by an embodiment of the present disclosure, performed by the UE includes: in response to the RSRP of the CSI-RS monitored on the second BWP being greater than the CSI-RS threshold, the UE increases the The CSI-RS measurement period measures CSI-RS.
  • the increased CSI-RS measurement period is M times the previous CSI-RS measurement period, where M is greater than 1.
  • the BWP of the first cell of the UE at least includes: a first BWP and a second BWP; wherein the first BWP is a BWP with downlink transmission scheduling, and the second BWP is a BWP without downlink transmission scheduling;
  • the second BWP in the cell listens to the SSB signal.
  • the UE determines to increase the CSI-RS measurement period T2 to M ⁇ T2, and performs CSI based on the M ⁇ T2 CSI-RS measurement period - Measurement of RS.
  • M can be any value greater than 1, for example, M is an integer greater than 1, and so on.
  • the UE can measure the CSI-RS based on the increased CSI-RS measurement period; in this way, the CSI-RS measurement can be performed based on a relatively longer time interval, which can greatly save the consumption of the UE. power.
  • a UE power saving processing method provided by an embodiment of the present disclosure, performed by the UE, includes: in response to the RSRP of the SSB monitored on the second BWP being greater than the SSB threshold value, reducing the measurement by the UE when the second BWP measures the SSB for a single time the number of sample points.
  • the BWP of the first cell of the UE at least includes: a first BWP and a second BWP; wherein the first BWP is a BWP with downlink transmission scheduling, and the second BWP is a BWP without downlink transmission scheduling;
  • the second BWP in the cell listens to the SSB signal.
  • the UE determines that the number of sample point values measured when the second BWP measures the BBS once is reduced from P1 to P2.
  • P2 is smaller than P1.
  • the power consumption of the UE can also be saved.
  • a UE power saving processing method provided by an embodiment of the present disclosure, performed by the UE includes: in response to the RSRP of the CSI-RS monitored on the second BWP being greater than the CSI-RS threshold, reducing the single time of the UE on the second BWP The number of sample values measured when measuring CSI-RS.
  • the BWP of the first cell of the UE at least includes: a first BWP and a second BWP; wherein the first BWP is a BWP with downlink transmission scheduling, and the second BWP is a BWP without downlink transmission scheduling;
  • the second BWP in the cell listens to the SSB signal.
  • the UE determines that the number of sample values measured when the second BWP measures the CSI-RS once is reduced from Q1 to Q2.
  • Q2 is smaller than Q1.
  • step S22 includes at least one of the following:
  • the UE's measurement of the CSI-RS on the second BWP is relaxed.
  • step S22 may also include, but is not limited to, at least one of the following:
  • the UE In response to the RSRP of the SSB monitored on the second BWP being greater than the SSB threshold value, the UE performs the SSB measurement at the second BWP according to the increased SSB measurement period and the number of sample point values measured when the SSB is measured for a single time;
  • the UE In response to the RSRP of the CSI-RS monitored on the second BWP being greater than the CSI-RS threshold value, the UE measures the samples at the second BWP according to the increased CSI-RS measurement period and when the CSI-RS is measured for a single time The number of values is used to measure CSI-RS.
  • the measurement period of the reference signal can be simultaneously increased, and the measurement of the reference signal can be performed in a manner of reducing the number of sample point values measured during a single measurement of the reference signal; in this way, the power consumption of the UE can be greatly saved quantity.
  • the RSRP of the reference signal monitored by the UE on the second BWP is greater than the threshold, for example, the RSRP of the monitored SSB is greater than the SSB threshold and/or the RSRP of the monitored CSI-RS is greater than the CSI-
  • the RS threshold value it is determined that the signal quality of the reference signal at this time is relatively good.
  • the reference signal can be relaxed by increasing the measurement period of the reference signal or reducing the number of sample values measured when the reference signal measures the reference signal for a single time.
  • the measurement of the signal and the relaxation of the measurement of the reference signal can also enable the UE to successfully know the channel condition according to the current measurement or not lose synchronization with the first cell. In this way, the embodiment of the present disclosure saves the power consumption of the UE by relaxing the measurement of the reference signal of the UE on the second BWP.
  • an embodiment of the present disclosure provides a UE power saving processing method, which is executed by the UE, including:
  • Step S41 Receive a serving cell configuration (ServingCellConfig) signaling sent by the base station, where the ServingCellConfig signaling carries a threshold value.
  • ServingCellConfig serving cell configuration
  • the threshold value includes: an SSB threshold value and/or a CSI-RS threshold value.
  • the SSB threshold value is the SSB threshold value described in step S31
  • the CSI-RS threshold value is the threshold value described in step S31.
  • the above step S41 may be: receiving high-level signaling sent by the base station, wherein the high-level signaling carries a threshold value; or, the above step S41 may be: receiving RRC signaling sent by the base station, wherein , the RRC signaling carries the threshold value.
  • a UE power saving processing method provided by the present disclosure includes: acquiring an SSB threshold value and/or a CSI-RS threshold value.
  • the UE receives the serving cell configuration signaling sent by the base station, where the serving cell configuration signaling carries the SSB threshold value and/or the CSI-RS threshold value.
  • the UE preconfigures the SSB threshold and/or the CSI-RS threshold. For example, the UE pre-configures the SSB threshold and/or the CSI-RS threshold in response to the user's input operation.
  • the UE determines the SSB threshold and/or the CSI-RS threshold based on historical data. For example, the UE determines the current SSB threshold value according to the historically saved SSB threshold value; and/or the UE determines the current CSI-RS threshold value according to the historically saved CSI-RS threshold value.
  • the UE can obtain the threshold value by receiving the serving cell configuration signaling sent by the base station, for example, obtain the SSB threshold value and/or the CSI-RS threshold value; thus, it is convenient for the UE to determine whether the UE meets the Relax measurement conditions.
  • the embodiment of the present disclosure can transmit the threshold value based on the serving cell configuration signaling, and can improve the utilization rate of the serving cell configuration signaling.
  • various ways of acquiring the SSB threshold value and/or the CSI-RS threshold value may also be provided, which are suitable for application scenarios of acquiring more threshold values.
  • a UE power saving processing method is provided, which is executed by the UE, including:
  • Step S51 receive downlink control information (Downlink Control Information, DCI) sent by the base station, wherein the DCI carries indication information;
  • DCI Downlink Control Information
  • Step S52 Based on the indication information, the active BWP of the UE in the first cell is switched from the first BWP to the second BWP.
  • the first BWP is the first BWP described in step S21
  • the second BWP is the second BWP described in step S21.
  • the indication information here is used to instruct the UE to switch the activated BWP from the first BWP to the second BWP.
  • the DCI may be DCI format1.
  • the indication information is carried in the predetermined information field of DCI format 1.
  • the DCI can be any other achievable DCI format, for example, can be DCI format 1A, DCI format 1B, DCI format 2 or, DCI format 2B, etc.
  • step S51 includes: in response to that the activated BWP of the UE in the first cell is the first BWP, receiving the DCI sent by the base station.
  • the currently working BWP that is, the activated BWP
  • the first BWP is the BWP with downlink transmission scheduling
  • the UE may switch from a first BWP with downlink transmission to a second BWP without downlink transmission based on the DCI carrying the indication information sent by the base station. In this way, the UE does not need to monitor the PDCCH and/or PDSCH, etc., which can save the power consumption of the UE.
  • a UE power saving processing method provided by an embodiment of the present disclosure, performed by the UE may include: in response to that the signal power of the reference signal monitored on the second BWP does not meet the relaxation measurement condition, not relaxing the UE on the second BWP measurement of the reference signal.
  • a UE power saving processing method provided by an embodiment of the present disclosure executed by the UE, may include: in response to the RSRP of the SSB monitored on the second BWP being less than or equal to the SSB threshold, the UE keeps the original on the second BWP. The measurement period performs the measurement of the reference signal.
  • the BWP of the first cell of the UE at least includes: a first BWP and a second BWP; wherein the first BWP is a BWP with downlink transmission scheduling, and the second BWP is a BWP without downlink transmission scheduling;
  • the second BWP in the cell listens to the SSB signal.
  • the UE determines to increase the SSB measurement period T1 to N ⁇ T1 in response to monitoring that the RSRP of the SSB is greater than the SSB threshold at the second BWP, and performs SSB measurement based on the N ⁇ T1 SSB measurement period.
  • N can be any value greater than 1; for example, N can be 1.2, 2, 2.5, or 3, and so on.
  • the UE determines to restore the SSB measurement period to the original measurement period T1, and performs SSB measurement based on the SSB measurement period of T1.
  • the monitored RSRP of the SSB is less than or equal to the SSB threshold value, it is determined that the current SSB signal quality is not very good, and a relatively dense period can still be used to monitor the SSB.
  • the UE since the UE is monitoring on the second BWP, there is no need to monitor the downlink transmission schedule, so the power consumption of the UE can also be saved to a certain extent.
  • a UE power saving processing method provided by an embodiment of the present disclosure executed by the UE, may include: in response to the RSRP of monitoring CSI-RS on the second BWP being less than or equal to the CSI-RS threshold, the UE on the second BWP Keep the original measurement period for CSI-RS measurement.
  • the BWP of the first cell of the UE at least includes: a first BWP and a second BWP; wherein the first BWP is a BWP with downlink transmission scheduling, and the second BWP is a BWP without downlink transmission scheduling;
  • the second BWP in the cell listens to the SSB signal.
  • the UE determines to increase the CSI-RS measurement period T1 to M ⁇ T2 in response to monitoring that the RSRP of the CSI-RS is greater than the CSI-RS threshold at the second BWP, and based on the CSI-RS of M ⁇ T2
  • the RS measurement period performs CSI-RS measurement.
  • M can be any value greater than 1; for example, N can be 1.2, 2, 2.5, or 3, and so on.
  • the UE determines to restore the CSI-RS measurement period to the original measurement period T2, and based on the CSI-RS of T2 CSI-RS measurement is performed during the RS measurement week.
  • the RSRP of the monitored CSI-RS is less than or equal to the CSI-RS threshold, it is determined that the current CSI-RS signal quality is not very good, and a relatively dense period can still be used to perform the CSI-RS monitoring.
  • the UE since the UE is monitoring on the second BWP, there is no need to monitor the downlink transmission schedule, so the power consumption of the UE can also be saved to a certain extent.
  • the UE when the signal power of the reference signal monitored on the second BWP does not meet the relaxation measurement condition, the UE does not relax the measurement of the reference signal on the second BWP, including at least one of the following:
  • the UE In response to the RSRP of the SSB monitored on the second BWP being less than or equal to the SSB threshold value, the UE maintains the original measurement period on the second BWP to measure the SSB;
  • the UE In response to the RSRP of monitoring the CSI-RS on the second BWP being less than or equal to the CSI-RS threshold, the UE maintains the original measurement period to measure the CSI-RS on the second BWP.
  • the RSRP of the reference signal monitored by the UE on the second BWP is less than or equal to the threshold value, it is determined that the signal power of the reference signal does not meet the relaxation measurement condition, and the UE does not relax the reference signal on the second BWP. Measurement.
  • the signal quality of the reference signal is not very good, the reference signal can be measured according to a relatively dense measurement period to ensure accurate measurement of the reference signal, so as to realize transmission synchronization between the base station and the first cell of the UE.
  • the present application is to measure the reference signal on the second BWP, it is not necessary to monitor the downlink transmission schedule, so the power consumption of the UE can also be saved to a certain extent.
  • an embodiment of the present disclosure provides a UE power saving processing method.
  • the method is executed by the UE and includes the following steps:
  • Step S61 In response to the UE's activation of the BWP in the secondary cell as the first BWP with downlink transmission scheduling, receive a DCI carrying indication information;
  • the UE receives the DCI delivered by the base station based on the PDCCH and/or PDSCH in response to the BWP currently working in the secondary cell being the first BWP scheduled by the PDCCH and/or PDSCH; wherein the DCI carries an indication information; wherein the indication information is used to indicate that the currently working BWP of the UE is switched from the first BWP to the second BWP; wherein the second BWP is a BWP without downlink transmission scheduling.
  • Step S62 Based on the indication information, the activated BWP of the UE in the secondary cell is switched from the first BWP to the second BWP without downlink transmission scheduling;
  • the UE switches the BWP currently working in the secondary cell from the first BWP scheduled with PDCCH and/or PDSCH to the second BWP scheduled without PDCCH and/or PDSCH.
  • Step S63 Receive serving cell configuration signaling sent by the base station, wherein the serving cell configuration signaling carries a threshold value
  • the UE receives the serving cell configuration signaling sent by the base station, where the serving cell configuration signaling carries the SSB threshold value and/or the CSI-RS threshold value.
  • Step S64 the power signal of the reference signal monitored on the second BWP;
  • the UE monitors the RSRP of the SSB according to the SSB measurement period T1 on the second BWP; and/or monitors the RSRP of the CSI-RS according to the CSI-RS measurement period T2.
  • Step S65 in response to the signal power of the reference signal monitored on the second BWP meeting the relaxation measurement condition, relax the measurement of the reference signal of the UE on the second BWP;
  • the RSRP of the SSB monitored by the UE on the second BWP is greater than the SSB threshold value
  • the SSB measurement period T1 is increased from N ⁇ T1
  • the SSB measurement period is based on the N ⁇ T1 SSB measurement period on the second BWP.
  • Step S66 In response to that the signal power of the reference signal monitored on the second BWP does not satisfy the relaxation measurement condition, do not relax the UE's measurement of the reference signal on the second BWP.
  • the RSRP of the SSB monitored by the UE on the second BWP is less than or equal to the SSB threshold value
  • the SSB measurement period is restored from N ⁇ T1 to T1
  • SSB is performed on the second BWP according to the SSB measurement period T1 and/or
  • the RSRP of the CSI-RS monitored by the UE on the second BWP is less than or equal to the CSI-RS threshold value
  • the CSI-RS measurement period is restored from M ⁇ T2 to T2
  • the second BWP The CSI-RS measurement is performed according to the CSI-RS measurement period T2.
  • the UE when the UE works on the first BWP scheduled by downlink transmission in the secondary cell, the UE can receive DCI carrying indication information, and based on the indication information, the BWP currently working in the secondary cell is scheduled by downlink transmission.
  • the first BWP is switched to the second BWP without downlink transmission scheduling; in this way, the UE does not need downlink transmission scheduling when monitoring the reference signal in the second BWP of the secondary cell, thereby saving power consumption of the UE.
  • the UE detects that the signal power of the reference signal in the second BWP of the secondary cell is greater than the threshold, for example, the RSRP of the SSB is greater than the SSB threshold and/or the RSRP of the CSI-RS is greater than the CSI-
  • the RS threshold is set, it is determined that the signal quality of the SSB and/or CSI-RS is relatively good at this time. In this way, the measurement of the SSB and/or the CSI-RS can be performed using a relatively large measurement period, thereby further saving the power consumption of the UE.
  • the RSRP of the SSB is less than or equal to the SSB threshold, and/or the CSI-RS
  • the RSRP is less than or equal to the CSI-RS threshold
  • the measurement of the SSB and/or the CSI-RS can be performed using a relatively dense measurement period, so that the SSB and/or the CSI-RS can be guaranteed to be monitored, so as to realize the synchronous transmission between the base station and the UE.
  • a UE power saving processing device which is applied to the UE, and the device includes:
  • the switching module 41 is configured to switch from the first BWP with downlink transmission scheduling to the second BWP without downlink transmission scheduling in response to the UE's activation of the BWP in the first cell, and monitor the reference signal of the first cell on the second BWP ;
  • the processing module 42 is configured to relax the measurement of the reference signal of the UE on the second BWP in response to the signal power of the reference signal monitored on the second BWP meeting the relaxation measurement condition.
  • the downlink transmission includes at least one of the following:
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • An apparatus for power saving processing of a UE may include: a switching module 41, configured to transmit a first data scheduled by the PDCCH and/or PDSCH in response to the UE activating the BWP in the first cell
  • the BWP switches to a second BWP without PDCCH and/or PDSCH transmission scheduling, and monitors the reference signal of the first cell on the second BWP.
  • the activated BWP is the currently working BWP of the UE.
  • the first cell includes: a primary cell or a secondary cell.
  • the signal power of the reference signal monitored on the second BWP satisfies the relaxation measurement condition, including:
  • the signal power of the reference signal monitored on the second BWP is greater than the threshold value, and the signal power of the reference signal monitored on the second BWP satisfies the relaxation measurement condition.
  • the reference signal includes at least one of the following:
  • CSI-RS Channel State Information Reference Signal
  • a UE power saving processing apparatus provided by an embodiment of the present disclosure, applied to a UE, may include:
  • the processing module 42 is configured to relax the measurement of the SSB of the UE on the second BWP in response to the RSRP of the SSB monitored on the second BWP being greater than the SSB threshold;
  • the processing module 42 is configured to relax the measurement of the CSI-RS on the second BWP by the UE in response to the RSRP of the CSI-RS monitored on the second BWP being greater than the CSI-RS threshold value.
  • a UE power saving processing apparatus provided by an embodiment of the present disclosure, applied to a UE, may include: a receiving module 43 configured to receive a serving cell configuration ServingCellConfig signaling sent by a base station, where the ServingCellConfig signaling carries a threshold value.
  • a UE power saving processing apparatus provided by an embodiment of the present disclosure, applied to a UE, may include:
  • a processing module 42 configured for the UE to increase the measurement period for measuring the reference signal in the second BWP;
  • the processing module 42 is configured to reduce the number of sample point values measured by the UE when the second BWP measures the reference signal for a single time.
  • a UE power saving processing apparatus provided by an embodiment of the present disclosure, applied to a UE, may include:
  • the processing module 42 is configured to, in response to that the RSRP of the SSB monitored on the second BWP is greater than the SSB threshold value, the UE measures the SSB in the second BWP according to the increased SSB measurement period;
  • the processing module 42 is configured to, in response to that the RSRP of the CSI-RS monitored on the second BWP is greater than the CSI-RS threshold value, the UE measures the CSI-RS in the second BWP according to the increased CSI-RS measurement period.
  • a UE power saving processing apparatus provided by an embodiment of the present disclosure, applied to a UE, may include:
  • the processing module 42 is configured to, in response to that the RSRP of the SSB monitored on the second BWP is greater than the SSB threshold value, reduce the number of sample point values measured by the UE when the second BWP measures the SSB in a single time.
  • the processing module 42 is configured to, in response to that the RSRP of the SSB monitored on the second BWP is greater than the SSB threshold value, reduce the number of sample point values measured by the UE when the second BWP measures the SSB in a single time.
  • a UE power saving processing apparatus provided by an embodiment of the present disclosure, applied to a UE, may include:
  • the receiving module 43 is configured to receive the downlink control information DCI sent by the base station, wherein the DCI carries indication information;
  • the processing module 42 is configured to switch the activated BWP of the UE in the first cell from the first BWP to the second BWP based on the indication information.
  • a UE power saving processing device provided by an embodiment of the present disclosure, applied to a UE, may include:
  • the processing module 42 is configured to not relax the measurement of the reference signal of the UE on the second BWP when the signal power of the reference signal monitored on the second BWP does not satisfy the relaxation measurement condition.
  • a UE power saving processing device provided by an embodiment of the present disclosure, applied to a UE, may include:
  • the processing module 42 is configured to, in response to that the RSRP of the SSB monitored on the second BWP is less than or equal to the SSB threshold value, the UE maintains the original measurement period on the second BWP to measure the reference signal;
  • the processing module 42 is configured to, in response to the RSRP of monitoring the CSI-RS on the second BWP being less than or equal to the CSI-RS threshold value, the UE maintains the original measurement period to perform CSI-RS measurement on the second BWP.
  • Embodiments of the present disclosure provide a communication device, including:
  • memory for storing processor-executable instructions
  • the processor is configured to implement the UE power saving processing method according to any embodiment of the present disclosure when executing the executable instruction.
  • the communication device may be a UE.
  • the processor may include various types of storage media, which are non-transitory computer storage media, and can continue to memorize and store information on the user equipment after the user equipment is powered off.
  • the processor may be connected to the memory through a bus or the like, for reading the executable program stored on the memory, for example, at least one of the methods shown in FIG. 2 to FIG. 6 .
  • An embodiment of the present disclosure further provides a computer storage medium, where the computer storage medium stores a computer-executable program, and when the executable program is executed by a processor, implements the UE power saving processing method of any embodiment of the present disclosure. For example, at least one of the methods shown in FIG. 2 to FIG. 6 .
  • FIG. 8 is a block diagram of a user equipment 800 according to an exemplary embodiment.
  • user device 800 may be a mobile phone, computer, digital broadcast user device, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • user equipment 800 may include one or more of the following components: processing component 802, memory 804, power supply component 806, multimedia component 808, audio component 810, input/output (I/O) interface 812, sensor component 814 , and the communication component 816 .
  • the processing component 802 generally controls the overall operation of the user equipment 800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 802 can include one or more processors 820 to execute instructions to perform all or some of the steps of the methods described above.
  • processing component 802 may include one or more modules that facilitate interaction between processing component 802 and other components.
  • processing component 802 may include a multimedia module to facilitate interaction between multimedia component 808 and processing component 802.
  • Memory 804 is configured to store various types of data to support operation at user equipment 800 . Examples of such data include instructions for any application or method operating on user device 800, contact data, phonebook data, messages, pictures, videos, and the like. Memory 804 may be implemented by any type of volatile or nonvolatile storage device or 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 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
  • Magnetic or Optical Disk Magnetic Disk
  • Power supply component 806 provides power to various components of user equipment 800 .
  • Power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to user equipment 800 .
  • Multimedia component 808 includes a screen that provides an output interface between the user device 800 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 a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • the multimedia component 808 includes a front-facing camera and/or a rear-facing camera. When the user equipment 800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 810 is configured to output and/or input audio signals.
  • audio component 810 includes a microphone (MIC) that is configured to receive external audio signals when user device 800 is in operating modes, such as call mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 804 or transmitted via communication component 816 .
  • audio component 810 also includes a speaker for outputting audio signals.
  • the I/O interface 812 provides an interface between the processing component 802 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 814 includes one or more sensors for providing status assessment of various aspects of user equipment 800 .
  • the sensor component 814 can detect the open/closed state of the device 800, the relative positioning of components, such as the display and keypad of the user device 800, the sensor component 814 can also detect the user device 800 or a component of the user device 800
  • the position of the user equipment 800 changes, the presence or absence of user contact with the user equipment 800, the orientation or acceleration/deceleration of the user equipment 800, and the temperature of the user equipment 800 changes.
  • Sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 816 is configured to facilitate wired or wireless communications between user device 800 and other devices.
  • User equipment 800 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may 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
  • user equipment 800 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 A programmed gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A programmed gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 804 including instructions, executable by the processor 820 of the user equipment 800 to perform the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • an embodiment of the present disclosure shows a structure of a base station.
  • the base station 900 may be provided as a network-side device.
  • base station 900 includes a processing component 922, which further includes one or more processors, and a memory resource, represented by memory 932, for storing instructions executable by processing component 922, such as application programs.
  • An application program stored in memory 932 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 922 is configured to execute instructions to perform any of the aforementioned methods applied to the base station.
  • the base station 900 may also include a power supply assembly 926 configured to perform power management of the base station 900, a wired or wireless network interface 950 configured to connect the base station 900 to a network, and an input output (I/O) interface 958.
  • Base station 900 may operate based on an operating system stored in memory 932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.

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

Abstract

Selon des modes de réalisation, la présente invention concerne un procédé et un appareil de traitement d'économie d'énergie d'UE, un dispositif de communication et un support de stockage. Le procédé de traitement d'économie d'énergie d'UE comprend les étapes suivantes : en réponse au passage d'une BWP active d'un UE dans une première cellule d'une première BWP ayant un ordonnancement de transmission de liaison descendante à une deuxième BWP sans ordonnancement de transmission de liaison descendante, surveiller un signal de référence de la première cellule sur la deuxième BWP ; et en réponse au fait que la puissance de signal du signal de référence surveillé sur la deuxième BWP respecte une condition d'assouplissement de mesure, assouplir la mesure du signal de référence par l'UE sur la deuxième BWP. Ainsi, les modes de réalisation de la présente invention peuvent surveiller un signal de référence sur une deuxième BWP sans surveiller l'ordonnancement de transmission de liaison descendante, ce qui économise la consommation d'énergie d'un UE. De plus, lorsque le signal de référence surveillé respecte une condition d'assouplissement de mesure, la mesure du signal de référence par l'UE sur la deuxième BWP peut être assouplie, ce qui économise davantage la consommation d'énergie de l'UE.
PCT/CN2021/081424 2021-03-18 2021-03-18 Procédé et appareil de traitement d'économie d'énergie d'ue, dispositif de communication et support de stockage WO2022193205A1 (fr)

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PCT/CN2021/081424 WO2022193205A1 (fr) 2021-03-18 2021-03-18 Procédé et appareil de traitement d'économie d'énergie d'ue, dispositif de communication et support de stockage

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