WO2022016544A1 - Procédé de communication sans fil, dispositif de terminal et dispositif de réseau - Google Patents

Procédé de communication sans fil, dispositif de terminal et dispositif de réseau Download PDF

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Publication number
WO2022016544A1
WO2022016544A1 PCT/CN2020/104553 CN2020104553W WO2022016544A1 WO 2022016544 A1 WO2022016544 A1 WO 2022016544A1 CN 2020104553 W CN2020104553 W CN 2020104553W WO 2022016544 A1 WO2022016544 A1 WO 2022016544A1
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WIPO (PCT)
Prior art keywords
pei
terminal device
time
monitoring
reference time
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PCT/CN2020/104553
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English (en)
Chinese (zh)
Inventor
胡奕
李海涛
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202080100832.4A priority Critical patent/CN115552979A/zh
Priority to PCT/CN2020/104553 priority patent/WO2022016544A1/fr
Publication of WO2022016544A1 publication Critical patent/WO2022016544A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • 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 embodiments of the present application relate to the field of communication, and more particularly, to a wireless communication method, a terminal device, and a network device.
  • the terminal device can monitor paging discontinuously.
  • paging discontinuous reception Discontinuous Reception, DRX
  • Paging DRX the terminal device only needs to monitor paging during a paging occasion (Paging Occasion, PO) in each DRX cycle.
  • PEI Paging Early Indication
  • the embodiments of the present application provide a wireless communication method, a terminal device, and a network device, so that the monitoring timing of the PEI corresponding to the PO of each terminal device can be determined.
  • a wireless communication method comprising: a first terminal device receiving a minimum time offset between a first PEI and a reference time, and the number of SMTCs required to be separated from the first PEI and the reference time; the first terminal device The listening timing of the first PEI is determined according to the minimum time offset and the number of SMTCs; wherein, the reference time is related to the PF and/or PO of the first terminal device.
  • a wireless communication method comprising: a network device sending, to a first terminal device, a minimum time offset between the first PEI and a reference time, and the number of SMTCs that need to be separated from the first PEI and the reference time; wherein , the minimum time offset and the number of SMTCs are used to determine the listening timing of the first PEI, and the reference time is related to the PF and/or PO of the first terminal device.
  • a terminal device for executing the method in the above-mentioned first aspect or each implementation manner thereof.
  • the terminal device includes a functional module for executing the method in the above-mentioned first aspect or each implementation manner thereof.
  • a network device for executing the method in the second aspect or each of its implementations.
  • the network device includes functional modules for executing the methods in the second aspect or the respective implementation manners thereof.
  • a terminal device including a processor and a memory.
  • the memory is used for storing a computer program
  • the processor is used for calling and running the computer program stored in the memory to execute the method in the above-mentioned first aspect or each implementation manner thereof.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or each of its implementations.
  • an apparatus for implementing any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • the apparatus includes: a processor for calling and running a computer program from a memory, so that a device installed with the apparatus executes any one of the above-mentioned first to second aspects or each of its implementations method.
  • a computer-readable storage medium for storing a computer program, the computer program causing a computer to execute the method in any one of the above-mentioned first aspect to the second aspect or each of its implementations.
  • a computer program product comprising computer program instructions, the computer program instructions cause a computer to execute the method in any one of the above-mentioned first aspect to the second aspect or each of its implementations.
  • a computer program which, when run on a computer, causes the computer to perform the method in any one of the above-mentioned first to second aspects or the respective implementations thereof.
  • the first terminal device receives the minimum time offset between the first PEI and the reference time, and the number of SMTCs that need to be separated from the first PEI and the reference time.
  • the first terminal device determines the listening timing of the first PEI according to the minimum time offset and the number of SMTCs.
  • the reference time is related to the PF and/or PO of the first terminal device.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is an interactive flowchart of a wireless communication method provided by an embodiment of the present application
  • FIG. 3 is a schematic diagram of a relationship between PEI and PO according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a relationship between PEI and PO provided by an embodiment of the present application.
  • FIG 5 is another schematic diagram of the relationship between PEI and PO provided by an embodiment of the present application.
  • FIG. 6 shows a schematic block diagram of a terminal device 600 according to an embodiment of the present application.
  • FIG. 7 shows a schematic block diagram of a network device 700 according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a communication device 800 provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a device according to an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a communication system 1000 provided by an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • New Radio Interface New Radio, NR
  • evolution system of NR system LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum, NR) on unlicensed spectrum -U) system, Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi), next-generation communication systems or other communication systems, etc.
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA standalone
  • This embodiment of the present application does not limit the applied spectrum.
  • the embodiments of the present application may be applied to licensed spectrum, and may also be applied to unlicensed spectrum.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, a terminal).
  • the network device 110 may provide communication coverage for a particular geographic area, and may communicate with terminal devices located within the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. This application The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • a device having a communication function in the network/system may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller, a mobility management entity, etc., which are not limited in this embodiment of the present application.
  • terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device can be a station (STAION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and next-generation communication systems, such as terminal devices in NR networks or Terminal equipment in the future evolved Public Land Mobile Network (Public Land Mobile Network, PLMN) network, etc.
  • STAION, ST in the WLAN
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • a network device can be a device used to communicate with a mobile device.
  • the network device can be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a WCDMA
  • the base station (NodeB, NB) can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or an access point, or a vehicle-mounted device, a wearable device, and a network device or base station in an NR network ( gNB) or network equipment in the future evolved PLMN network, etc.
  • gNB NR network
  • a network device provides services for a cell
  • a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell
  • the cell may be a network device (for example, a frequency domain resource).
  • the cell corresponding to the base station), the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell), where the small cell can include: Metro cell, Micro cell, Pico cell cell), Femto cell, etc.
  • These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-speed data transmission services.
  • the main function of Paging is to enable the network device to page the terminal device through paging message (paging message) in the RRC IDLE or RRC INACTIVE state of the terminal device, or notify the terminal device of system message change or earthquake and tsunami through short message (short message).
  • paging message paging message
  • RRC INACTIVE Radio Resource Control
  • short message short message
  • Public early warning information this applies to all radio resource control (Radio Resource Control, RRC) states of terminal equipment, including connection state).
  • the paging channel includes a Physical Downlink Control Channel (PDCCH) scrambled by the Paging Radio Network Temporary Identifier (P-RNTI) and a Physical Downlink Shared Channel (Physical Downlink) scheduled by the PDCCH. Share Channel, PDSCH). Paging messages are transmitted in PDSCH, and short messages are transmitted in PDCCH.
  • PDCCH Physical Downlink Control Channel
  • P-RNTI Paging Radio Network Temporary Identifier
  • Physical Downlink Shared Channel Physical Downlink Shared Channel scheduled by the PDCCH.
  • Share Channel, PDSCH Physical Downlink Shared Channel
  • Paging messages are transmitted in PDSCH
  • short messages are transmitted in PDCCH.
  • the terminal device can use the paging DRX mechanism. Under the Paging DRX mechanism, the terminal device only needs to monitor paging during one PO in each DRX cycle.
  • One PO includes at least one PDCCH monitoring occasion (PDCCH monitoring occasion), and one PO may be composed of multiple time slots.
  • PDCCH monitoring occasion PDCCH monitoring occasion
  • PF paging frame
  • it is a radio frame (fixed at 10ms), and the radio frame may contain multiple POs or starting positions of multiple POs.
  • the DRX cycle is determined by the public cycle in the system broadcast and the high-level signaling, such as the terminal-specific cycle configured in the Non-access stratum (NAS) signaling, and the terminal device takes the minimum cycle of the two as DRX. cycle.
  • a DRX cycle can include multiple POs.
  • the location where a terminal device monitors POs is related to the identity (Identity, ID) of the terminal device.
  • the PF and PO of a specific terminal device in a DRX cycle It is determined as follows:
  • the system frame number (System Frame Numble, SFN) of PF is determined by formula (1):
  • the number (i_s) of PO in a PF is determined by formula (2):
  • i_s floor(UE_ID/N)mod Ns (2)
  • T DRX cycle for the terminal equipment to receive paging.
  • the network device will broadcast a default DRX cycle. If the RRC/higher layer configures a terminal device-specific DRX cycle for the terminal device, the smallest of the DRX cycle broadcast by the network device and the terminal device-specific DRX cycle configured by the RRC/higher layer will be used. as the DRX cycle of the terminal device. If the RRC/higher layer does not configure a terminal device-specific DRX cycle for the terminal device, the DRX cycle broadcast by the network device is used as the DRX cycle of the terminal device.
  • N The number of PFs included in one DRX cycle.
  • Ns The number of POs contained in a PF.
  • PF_offset A time domain offset used to determine PF.
  • UE_ID 5G-S-TMSI mod 1024.
  • mod represents the remainder
  • floor() is the round-down function
  • the DRX cycle may also be referred to as a paging cycle (Paging Cycle) or a paging DRX cycle (Paging DRX Cycle).
  • the terminal device After the terminal device determines the numbers of the PF and PO and the number of PDCCH listening opportunities in the PO, it only needs to determine the starting position of the first PDCCH listening opportunity of the PO through the relevant configuration parameters. Signaling configuration, or obtained based on the number of the PO, the terminal device blindly checks the paging according to the determined PO.
  • Blind detection paging includes: blind detection of PDCCH and PDSCH scheduled by PDCCH.
  • the terminal equipment For terminal equipment in RRC_IDLE state or RRC_INACTIVE state, the terminal equipment also needs to perform synchronization operation before blind detection of PDCCH.
  • For better channel quality such as a higher Signal to Interference plus Noise Ratio (SINR)
  • SINR Signal to Interference plus Noise Ratio
  • For terminal equipment with lower SINR it may require fewer synchronization signal (SS) bursts to complete synchronization, while for terminal equipment with poor channel quality, such as a lower SINR, it may require more SS burst to complete the synchronization.
  • SINR Signal to Interference plus Noise Ratio
  • the present application configures the minimum time offset between the PEI and the reference time (which is related to the PF and/or PO of the terminal device) through the network, and, The number of synchronization signal measurement timing configurations (SS Measurement Timing Configuration, SMTC) at intervals between the PEI and the reference time is required to determine the monitoring timing of the PEI.
  • SS Measurement Timing Configuration SS Measurement Timing Configuration
  • FIG. 2 is an interactive flowchart of a wireless communication method provided by an embodiment of the present application, and the method includes the following steps:
  • Step S210 The first terminal device receives the minimum time offset between the first PEI and the reference time, and the number of SMTCs that need to be separated from the first PEI and the reference time.
  • Step S220 The first terminal device determines the listening timing of the first PEI according to the minimum time offset and the number of SMTCs.
  • the minimum time offset between the first PEI and the reference time, and the number of SMTCs required to be separated from the first PEI and the reference time are configured by the network device to the first terminal device through dedicated signaling or broadcast messages.
  • the dedicated signaling may be downlink control information (Downlink Control Information, DCI), RRC signaling, or media access control element (Media Access Control Control Element, MAC CE) signaling, etc.
  • DCI Downlink Control Information
  • RRC Radio Resource Control Control
  • MAC CE Media Access Control Control Element
  • the network device may further configure paging related information, SMTC related information, and other PEI related information except the above-mentioned minimum time offset and the number of SMTCs for the first terminal device.
  • the paging related information includes: a paging search space, a default paging cycle (default Paging Cycle), the number N of PFs included in a paging cycle, the number Ns of POs included in a PF, a The position of the first PDCCH monitoring occasion of each PO in the PF (first PDCCH-Monitoring Occasion Of PO). It should be noted that, after acquiring the paging related information, the terminal device can determine the PF and PO positions of the first terminal device and the positions of the PDCCH monitoring timings in each PO according to the paging related information.
  • SMTC related information which is SMTC related information configured for the frequency where the serving cell of the first terminal device is located, including the SMTC period, the time offset within a period, and the SMTC window duration, where the time offset within a period is The shift refers to the time offset between the start time of the SMTC window in one cycle and the start time of the cycle. It should be noted that, after acquiring the SMTC related information, the terminal device can determine the distribution of the SMTC according to the SMTC related information.
  • PEI related information which is commonly configured by the network equipment for all terminal devices in the cell, and can be carried in system messages, where the PEI related information includes, in addition to the above-mentioned minimum time offset and the number of SMTCs, also includes:
  • the minimum time offset is configured according to the minimum processing capability of the first terminal device for the first PEI.
  • the terminal device may determine the PEI monitoring timing according to the PEI related information.
  • the role of the first PEI includes, but is not limited to, the following two situations:
  • Case 1 The first PEI is used to indicate whether the terminal device on the at least one PF needs to monitor the PDCCH scrambled by the P-RNTI on the corresponding PO in the at least one PF.
  • the terminal device on at least one PF is understood as at least one terminal device on at least one PF. a terminal device. Then the first PEI is actually used to indicate whether at least one terminal device on the at least one PF needs to monitor the PDCCH scrambled by the P-RNTI on the corresponding PO.
  • Case 2 The first PEI is used to indicate whether the terminal device on the at least one PO needs to monitor the PDCCH scrambled by the P-RNTI on the corresponding PO in the at least one PO.
  • a terminal device on at least one PO is understood as a terminal device on at least one PO. at least one terminal device. Then the first PEI is actually used to indicate whether at least one terminal device on the at least one PO needs to monitor the PDCCH scrambled by the P-RNTI on the corresponding PO.
  • FIG. 3 is a schematic diagram of the relationship between a PEI and PO provided by an embodiment of the application
  • FIG. 4 is a schematic diagram of the relationship between a PEI and PO provided by an embodiment of the application, as shown in FIGS. 3 and 4
  • the PEI is used to instruct a terminal device on a PF to monitor the PDCCH scrambled by the P-RNTI on the corresponding PO in the PF.
  • the PF includes PO1 and PO2
  • PO1 is the PO of UE1
  • PO2 is the PO of UE2.
  • PEI is used to instruct UE1 not to monitor the PDCCH scrambled by P-RNTI on PO1, and to instruct UE2 not to monitor the PDCCH scrambled by P-RNTI on PO2. Monitor the PDCCH scrambled by the P-RNTI.
  • FIG. 5 is a schematic diagram of another relationship between PEI and PO provided by an embodiment of the application.
  • PEI1 is used to indicate that UE1 does not need to monitor the PDCCH scrambled by P-RNTI on PO1
  • PEI2 uses To indicate that UE2 needs to monitor the PDCCH scrambled by P-RNTI on PO2.
  • reference time is related to the PF and/or PO of the first terminal device.
  • the definition of reference time includes, but is not limited to, the following three situations:
  • the reference time is the start time of the PF of the first terminal device.
  • the reference time is the start time of the first PDCCH listening occasion in the first PO in the PF of the first terminal device.
  • Case 3 The reference time is the start time of the first PDCCH listening occasion in the PO of the first terminal device.
  • Example 1 According to the case 1 of the reference time, as shown in FIG. 3 , for both UE1 and UE2, the reference time is the start time of the PF shown in FIG. 3 .
  • Example 2 According to the case 2 of the reference time, as shown in FIG. 4 , for both UE1 and UE2, the reference time is the first PDCCH monitoring of the first PO (ie PO1) in the PF shown in FIG. 4 The start time of the timing.
  • Example 3 Based on the case 3 of the reference time, as shown in FIG. 5 , for UE1, the reference time is the start time of the first PDCCH listening opportunity of PO1 in the PF shown in FIG. 5 , for UE2 , the reference time is the start time of the first PDCCH listening occasion of PO2 in the PF shown in FIG. 5 .
  • the above content explains the situation of the first PEI, the reference time, the minimum time offset and the number of SMTCs. Based on this, the following will describe in detail how to determine the monitoring timing of the first PEI:
  • the first terminal device determines that the M+1th SMTC that is located before the reference time and whose time interval from the reference time is not less than the minimum time offset is the SMTC corresponding to the first PEI, where M is equal to the number of SMTCs, and M is a positive integer.
  • the first terminal device determines the monitoring timing of the first PEI according to the SMTC corresponding to the first PEI.
  • the monitoring timing of the first PEI may be determined in the following manner, but is not limited to this:
  • the monitoring timing of the first PEI is a PEI monitoring timing within a period of time with the start time of the SMTC corresponding to the first PEI as the start time.
  • the monitoring timing of the first PEI is a PEI monitoring timing within a duration of time with the termination time of the SMTC corresponding to the first PEI as the starting time.
  • the listening timing of the first PEI is S consecutive PEI listening timings after the start time of the SMTC corresponding to the first PEI, and S is the number of synchronization signal blocks (Synchronization Signal Block, SSB) sent by the network device. number.
  • S is the number of synchronization signal blocks (Synchronization Signal Block, SSB) sent by the network device. number.
  • the listening timings of the first PEI are S consecutive PEI listening timings after the termination time of the SMTC corresponding to the first PEI, where S is the number of SSBs sent by the network device.
  • the above duration is configured by the network device.
  • the network device configures the duration to the first terminal device through DCI, RRC signaling, MAC CE signaling, or broadcast messages.
  • the PEIs sent on the S consecutive PEI monitoring occasions are the same, and the PEIs sent on the S consecutive PEI monitoring occasions correspond to different SSBs.
  • the number of SMTCs configured by the network device 3.
  • the reference time is the start time of the PF shown in Figure 3, and combined with the minimum time offset shown in Figure 3, It can be obtained that the PEI monitoring timing is the PEI monitoring timing within a duration of time when the termination time of the SMTC corresponding to the PEI (ie, the fourth SMTC in the order from right to left) is the starting time.
  • the number of SMTCs configured by the network device 3.
  • the reference time is the start time of the first PDCCH listening opportunity of the first PO in the PF shown in FIG. 4 .
  • the minimum time offset shown in Figure 4 it can be obtained that the monitoring timing of PEI is a segment of the starting time with the termination time of the SMTC corresponding to the PEI (that is, the fourth SMTC in the order from right to left). PEI listening timing for the duration.
  • the number of SMTCs configured by the network device for UE1 3.
  • the reference time is the start time of the first PDCCH listening opportunity of PO1 in the PF shown in Figure 5.
  • the number of SMTCs configured by the network device for UE2 2.
  • the reference time is the start time of the first PDCCH monitoring opportunity of PO2 in the PF shown in Figure 5, combined with the minimum time shown in Figure 5 Offset, it can be obtained that the monitoring timing of PEI2 is the PEI monitoring timing for a period of time with the termination time of the SMTC corresponding to the PEI2 (ie, the third SMTC in the order from right to left) as the starting time.
  • the first terminal device may monitor the first PEI at the monitoring timing of the first PEI. However, it is not certain whether the first terminal device can monitor the first PEI. Based on this, the first terminal device can determine whether to monitor the P-RNTI scrambled PDCCH on the corresponding PO according to whether it monitors the first PEI. details as follows:
  • the first terminal device determines whether to monitor the PDCCH scrambled by the P-RNTI on the PO of the PF of the first terminal device according to the indication of the first PEI. As shown in Figure 3, Figure 4 and Figure 5, both UE1 and UE2 have monitored PEI. Based on this, UE1 and UE2 can determine whether to monitor P-RNTI scrambling on the PO of the PF of the first terminal device according to the corresponding PEI indication. the PDCCH.
  • the first terminal device monitors the PDCCH scrambled by the P-RNTI on the PO of the PF of the first terminal device, or determines whether the first terminal device is in the first terminal device according to the instruction of the network device.
  • the PDCCH scrambled by the P-RNTI is monitored on the PO of the PF.
  • the network device may indicate through DCI, RRC signaling or MAC CE signaling whether to monitor the PDCCH scrambled by the P-RNTI on the PO of the PF of the first terminal device.
  • the first terminal device monitors the PDCCH scrambled by the P-RNTI on the PO of the PF of the first terminal device. For example, in the optional mode 1 and the optional mode 2 of determining the monitoring timing of the first PEI, there may be a situation that the monitoring timing of the first PEI does not exist.
  • the first terminal device receives the minimum time offset between the first PEI and the reference time, and the number of SMTCs that need to be separated from the first PEI and the reference time.
  • the first terminal device determines the listening timing of the first PEI according to the minimum time offset and the number of SMTCs.
  • the reference time is related to the PF and/or PO of the first terminal device.
  • FIG. 6 shows a schematic block diagram of a terminal device 600 according to an embodiment of the present application.
  • the terminal device 600 is also referred to as the first terminal device below, and the terminal device 600 includes:
  • the communication unit 610 is configured to receive the minimum time offset between the first PEI and the reference time, and the number of SMTCs required to be separated from the first PEI and the reference time.
  • the processing unit 620 is configured to determine the listening timing of the first PEI according to the minimum time offset and the number of SMTCs.
  • the reference time is related to the paging frame PF and/or the paging occasion PO of the first terminal device.
  • the first PEI is used to indicate whether the terminal device on the at least one PF needs to monitor the PDCCH scrambled by the P-RNTI on the PO corresponding to the at least one PF.
  • the reference time is the start time of the PF of the first terminal device.
  • the reference time is the start time of the first PDCCH listening occasion in the first PO in the PF of the first terminal device.
  • the first PEI is used to indicate whether the terminal device on the at least one PO needs to monitor the PDCCH scrambled by the P-RNTI on the corresponding PO in the at least one PO.
  • the reference time is the start time of the first PDCCH listening occasion in the PO of the first terminal device.
  • the processing unit 620 is specifically configured to: determine that the M+1th SMTC that is located before the reference time and whose time interval from the reference time is not less than the minimum time offset is the SMTC corresponding to the first PEI, and M is equal to the SMTC number, M is a positive integer.
  • the monitoring timing of the first PEI is determined according to the SMTC corresponding to the first PEI.
  • the monitoring timing of the first PEI is a PEI monitoring timing within a duration of which the start time of the SMTC corresponding to the first PEI is the start time. or,
  • the monitoring timing of the first PEI is a PEI monitoring timing within a period of time with the termination time of the SMTC corresponding to the first PEI as the starting time. or,
  • the listening timings of the first PEI are S consecutive PEI listening timings after the start time of the SMTC corresponding to the first PEI, and S is the number of SSBs sent by the network device. or,
  • the listening timings of the first PEI are S consecutive PEI listening timings after the termination time of the SMTC corresponding to the first PEI, and S is the number of SSBs sent by the network device.
  • the PEIs sent on the S consecutive PEI monitoring occasions are the same, and the PEIs sent on the S consecutive PEI monitoring occasions correspond to different SSBs.
  • the processing unit 620 is further configured to monitor the first PEI at the monitoring timing of the first PEI.
  • the processing unit 620 is further configured to: if the first terminal device monitors the first PEI, determine whether to monitor the PDCCH scrambled by the P-RNTI on the PO of the PF of the first terminal device according to the indication of the first PEI. If the first terminal device does not monitor the first PEI, the first terminal device monitors the PDCCH scrambled by the P-RNTI on the PO of the PF of the first terminal device, or determines whether it is in the PO of the PF of the first terminal device according to the instruction of the network device. Monitor the PDCCH scrambled by the P-RNTI.
  • the processing unit 620 is further configured to monitor the PDCCH scrambled by the P-RNTI on the PO of the PF of the first terminal device if there is no monitoring opportunity for the first PEI.
  • the minimum time offset is configured according to the minimum processing capability of the first terminal device for the first PEI.
  • the duration is configured by the network device.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 600 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 600 are respectively for the purpose of realizing the above-mentioned method embodiments.
  • the corresponding process of the terminal device will not be repeated here.
  • FIG. 7 shows a schematic block diagram of a network device 700 according to an embodiment of the present application.
  • the network device 700 includes: a communication unit 710 configured to send the minimum time offset between the first PEI and the reference time, and the number of SMTCs required to be separated from the first PEI and the reference time to the first terminal device.
  • the minimum time offset and the number of SMTCs are used to determine the listening timing of the first PEI, and the reference time is related to the PF and/or PO of the first terminal device.
  • the first PEI is used to indicate whether the terminal device on the at least one PF needs to monitor the PDCCH scrambled by the P-RNTI on the PO corresponding to the at least one PF.
  • the reference time is the start time of the PF of the first terminal device.
  • the reference time is the start time of the first PDCCH listening occasion in the first PO in the PF of the first terminal device.
  • the first PEI is used to indicate whether the terminal device on the at least one PO needs to monitor the PDCCH scrambled by the P-RNTI on the corresponding PO in the at least one PO.
  • the reference time is the start time of the first PDCCH listening occasion in the PO of the first terminal device.
  • the minimum time offset and the number of SMTCs are used to determine that the M+1th SMTC located before the reference time and the time interval from the reference time is not less than the minimum time offset is the SMTC corresponding to the first PEI, and M It is equal to the number of SMTCs, and M is a positive integer.
  • the SMTC corresponding to the first PEI is used to determine the monitoring timing of the first PEI.
  • the monitoring timing of the first PEI is a PEI monitoring timing within a duration of which the start time of the SMTC corresponding to the first PEI is the start time. or,
  • the monitoring timing of the first PEI is a PEI monitoring timing within a period of time with the termination time of the SMTC corresponding to the first PEI as the starting time. or,
  • the listening timings of the first PEI are S consecutive PEI listening timings after the start time of the SMTC corresponding to the first PEI, and S is the number of SSBs sent by the network device. or,
  • the listening timings of the first PEI are S consecutive PEI listening timings after the termination time of the SMTC corresponding to the first PEI, and S is the number of SSBs sent by the network device.
  • the PEIs sent on the S consecutive PEI monitoring occasions are the same, and the PEIs sent on the S consecutive PEI monitoring occasions correspond to different SSBs.
  • the minimum time offset is configured according to the minimum processing capability of the first terminal device for the first PEI.
  • the duration is configured by the network device.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • the network device 700 may correspond to the network devices in the method embodiments of the present application, and the above-mentioned and other operations and/or functions of the various units in the network device 700 are respectively for realizing the above-mentioned method embodiments.
  • the corresponding process of the network device is not repeated here for brevity.
  • FIG. 8 is a schematic structural diagram of a communication device 800 provided by an embodiment of the present application.
  • the communication device 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 800 may further include a memory 820 .
  • the processor 810 may call and run a computer program from the memory 820 to implement the methods in the embodiments of the present application.
  • the memory 820 may be a separate device independent of the processor 810 , or may be integrated in the processor 810 .
  • the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by a device.
  • the transceiver 830 may include a transmitter and a receiver.
  • the transceiver 830 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 800 may specifically be the network device in this embodiment of the present application, and the communication device 800 may implement the corresponding processes implemented by the network device in each method in the embodiment of the present application. For brevity, details are not repeated here. .
  • the communication device 800 may specifically be the terminal device of the embodiment of the present application, and the communication device 800 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application, which is not repeated here for brevity. .
  • FIG. 9 is a schematic structural diagram of an apparatus according to an embodiment of the present application.
  • the apparatus 900 shown in FIG. 9 includes a processor 910, and the processor 910 can call and run a computer program from a memory, so as to implement the method in this embodiment of the present application.
  • the apparatus 900 may further include a memory 920 .
  • the processor 910 may call and run a computer program from the memory 920 to implement the methods in the embodiments of the present application.
  • the memory 920 may be a separate device independent of the processor 910 , or may be integrated in the processor 910 .
  • the apparatus 900 may further include an input interface 930 .
  • the processor 910 may control the input interface 930 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the apparatus 900 may further include an output interface 940 .
  • the processor 910 may control the output interface 940 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.
  • the apparatus can be applied to the network equipment in the embodiments of the present application, and the apparatus can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application, which are not repeated here for brevity.
  • the apparatus may be applied to the terminal equipment in the embodiments of the present application, and the apparatus may implement the corresponding processes implemented by the terminal equipment in each method of the embodiments of the present application, which will not be repeated here for brevity.
  • the device mentioned in the embodiment of the present application may also be a chip.
  • it can be a system-on-chip, a system-on-a-chip, a system-on-a-chip, or a system-on-a-chip.
  • FIG. 10 is a schematic block diagram of a communication system 1000 provided by an embodiment of the present application. As shown in FIG. 10 , the communication system 1000 includes a terminal device 1010 and a network device 1020 .
  • the terminal device 1010 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 1020 can be used to implement the corresponding functions implemented by the network device or the base station in the above method. Repeat.
  • the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in this embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • Embodiments of the present application further provide a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device or the base station in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device or the base station in each method of the embodiments of the present application, in order to It is concise and will not be repeated here.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. , and are not repeated here for brevity.
  • Embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device or the base station in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device or the base station in each method of the embodiments of the present application, for the sake of brevity. , and will not be repeated here.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, details are not repeated here.
  • the embodiments of the present application also provide a computer program.
  • the computer program can be applied to the network device or the base station in the embodiments of the present application, and when the computer program runs on the computer, the computer can execute the corresponding methods implemented by the network device or the base station in each method of the embodiments of the present application.
  • the process for the sake of brevity, will not be repeated here.
  • the computer program may be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program is run on the computer, the mobile terminal/terminal device implements the various methods of the computer program in the embodiments of the present application.
  • the corresponding process for the sake of brevity, will not be repeated here.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

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Abstract

Les modes de réalisation de la présente invention concernent un procédé de communication sans fil, un dispositif terminal et un dispositif de réseau, le procédé comprenant : un premier dispositif terminal recevant le décalage temporel minimum entre un premier PEI et un temps de référence, et le nombre de SMTC requis comme intervalle entre le premier PEI et le temps de référence; et le premier dispositif terminal déterminant une occasion de surveillance pour le premier PEI selon le décalage temporel minimum et le nombre de SMTC, dans lequel le temps de référence est lié à un PF et/ou PO du premier dispositif terminal. Par conséquent, l'occasion de surveillance pour le premier PEI correspondant au PO du premier dispositif terminal peut être déterminée.
PCT/CN2020/104553 2020-07-24 2020-07-24 Procédé de communication sans fil, dispositif de terminal et dispositif de réseau WO2022016544A1 (fr)

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PCT/CN2020/104553 WO2022016544A1 (fr) 2020-07-24 2020-07-24 Procédé de communication sans fil, dispositif de terminal et dispositif de réseau

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