WO2022126482A1 - Procédé de détection de canal de commande, dispositif électronique, et support de stockage - Google Patents

Procédé de détection de canal de commande, dispositif électronique, et support de stockage Download PDF

Info

Publication number
WO2022126482A1
WO2022126482A1 PCT/CN2020/137201 CN2020137201W WO2022126482A1 WO 2022126482 A1 WO2022126482 A1 WO 2022126482A1 CN 2020137201 W CN2020137201 W CN 2020137201W WO 2022126482 A1 WO2022126482 A1 WO 2022126482A1
Authority
WO
WIPO (PCT)
Prior art keywords
control channel
dci
time domain
terminal device
offset
Prior art date
Application number
PCT/CN2020/137201
Other languages
English (en)
Chinese (zh)
Inventor
左志松
徐伟杰
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 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 PCT/CN2020/137201 priority Critical patent/WO2022126482A1/fr
Priority to CN202080106964.8A priority patent/CN116438851A/zh
Publication of WO2022126482A1 publication Critical patent/WO2022126482A1/fr

Links

Images

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of wireless communication technologies, and in particular, to a control channel detection method, an electronic device, and a storage medium.
  • Embodiments of the present application provide a control channel detection method, an electronic device, and a storage medium, which can specify the timing at which a terminal device receives a paging message.
  • an embodiment of the present application provides a control channel detection method, including: a terminal device receiving first downlink control information (Downlink Control Information, DCI), where the first DCI is used to determine skip monitoring of control channel detection timing; the terminal device detects the control channel at a part of the listening timings in the skipping control channel detection listening timings.
  • DCI Downlink Control Information
  • an embodiment of the present application provides a control channel detection method, including: a network device sends a first DCI to a terminal device; the first DCI is used by the terminal device to determine a listening timing for skipping control channel detection, so The partial listening opportunity skipping the detection of the control channel is used for the terminal device to detect the control channel.
  • an embodiment of the present application provides a terminal device, where the terminal device includes: a receiving unit configured to receive a first DCI, where the first DCI is used to determine a listening timing for skipping control channel detection; a processing unit, It is configured to detect a control channel at a part of the listening occasions in the skipping detection of the control channel.
  • an embodiment of the present application provides a network device, the network device includes: a sending unit configured to send a first DCI to a terminal device; the first DCI is used by the terminal device to determine to skip control channel detection and the part of the listening opportunity skipped from the control channel detection is used for the terminal device to detect the control channel.
  • an embodiment of the present application provides a terminal device, including a processor and a memory for storing a computer program that can be executed on the processor, wherein the processor is configured to execute the above-mentioned terminal when the computer program is executed. The steps of the control channel detection method performed by the device.
  • an embodiment of the present application provides a network device, including a processor and a memory for storing a computer program that can be run on the processor, wherein the processor is configured to execute the above network when running the computer program. The steps of the control channel detection method performed by the device.
  • an embodiment of the present application provides a chip, including: a processor for calling and running a computer program from a memory, so that a device installed with the chip executes the control channel detection method executed by the terminal device.
  • an embodiment of the present application provides a chip, including: a processor for calling and running a computer program from a memory, so that a device installed with the chip executes the control channel detection method executed by the network device.
  • an embodiment of the present application provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned method for detecting a control channel executed by a terminal device is implemented.
  • an embodiment of the present application provides a storage medium that stores an executable program, and when the executable program is executed by a processor, implements the control channel detection method executed by the network device.
  • an embodiment of the present application provides a computer program product, including computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned control channel detection method executed by a terminal device.
  • an embodiment of the present application provides a computer program product, including computer program instructions, the computer program instructions causing a computer to execute the above-mentioned control channel detection method executed by a network device.
  • an embodiment of the present application provides a computer program, the computer program enables a computer to execute the control channel detection method executed by the terminal device.
  • an embodiment of the present application provides a computer program, where the computer program enables a computer to execute the control channel detection method executed by the foregoing network device.
  • the control channel detection method, electronic device, and storage medium provided by the embodiments of the present application include: a terminal device receives first downlink control information DCI, where the first DCI is used to determine a monitoring timing for skipping control channel detection; the terminal The device detects the control channel at a part of the listening timings in the skipping control channel detection listening timings.
  • the retransmission of the unsuccessfully received data packets can be completed quickly, and effective channel monitoring can be performed while achieving energy saving.
  • PDCCH Physical downlink control channel
  • FIG. 1 is a schematic diagram of a discontinuous reception period according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the application terminal equipment skipping PDCCH detection
  • FIG. 3 is a schematic diagram of a composition structure of a communication system provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of an optional processing flow of a control channel detection method provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a first time domain offset according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a second time domain offset according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a third time domain offset according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a channel detection method provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of an optional processing flow of a control channel detection method provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of an optional composition of a terminal device provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of an optional composition structure of a network device provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a hardware composition of an electronic device provided by an embodiment of the present application.
  • the network equipment can configure the Discontinuous Reception (DRX) function for the terminal equipment, so that the terminal equipment can discontinuously detect (or monitor) the PDCCH in the time domain, and then reach the terminal equipment.
  • DRX Discontinuous Reception
  • the terminal device can stop receiving the PDCCH, that is, the terminal device can reduce power consumption by stopping the blind detection of the PDCCH, thereby improving the battery life of the terminal device.
  • a DRX cycle (cycle) may be configured for a terminal device in a radio resource control connected state (RRC_CONNECTED).
  • RRC_CONNECTED radio resource control connected state
  • the transmission of the paging message is also applicable to the DRX mechanism in the RRC idle state, where the DRX cycle is the cycle of the paging message.
  • the terminal device For the DRX mechanism, time is divided into successive DRX cycles, and the start time of each DRX cycle is the DRX ON state. During the DRX ON period, the terminal device will detect the PDCCH according to the configured Monitoring Occasion (MO). When the terminal device detects the PDCCH, it also starts and refreshes the corresponding inactivity timer (Inactivity Timer). If DRX ON does not end or Inactivity Timer does not end, the terminal device is in DRX Active Time. Terminal devices in DRX Active Time need to detect PDCCH.
  • MO Monitoring Occasion
  • the NR system inherits the configuration method for DRX in the LTE system.
  • the terminal device monitors all the configured PDCCH search spaces during the DRX active time, and stops monitoring all the configured PDCCH search spaces during the DRX off period.
  • the network device can instruct the terminal device to skip or ignore the PDCCH detection (PDCCH skipping) for a period of time; wherein, the PDCCH skipping indication can be carried in the DCI, such as using 2-bit information in the DCI to indicate the PDCCH skipping The number of listening times.
  • the schematic diagram of the terminal equipment skipping PDCCH detection after receiving the PDCCH skipping instruction, the terminal equipment stops PDCCH monitoring (ie PDCCH skipping) within the indicated listening timing, and resumes PDCCH monitoring outside the indicated monitoring timing .
  • PDCCH monitoring ie PDCCH skipping
  • the control channel detection method provided by the embodiment of the present application can optimize the PDCCH skipping process, and at the same time save the power consumption of the terminal device, enable the terminal device to perform effective channel monitoring.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE system LTE frequency division duplex (frequency division duplex, FDD) system
  • LTE time division duplex time division duplex, TDD
  • LTE-A advanced long term evolution
  • NR system evolution system of NR system
  • LTE-based access to unlicensed spectrum LTE-U
  • NR-U Universal mobile telecommunication system
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • WiMAX microwave access
  • the network equipment involved in the embodiments of this application may be a common base station (such as a NodeB or eNB or gNB), a new radio controller (NR controller), a centralized network element (centralized unit), a new radio base station, Remote radio module, micro base station, relay, distributed unit (distributed unit), reception point (transmission reception point, TRP), transmission point (transmission point, TP) or any other equipment.
  • a common base station such as a NodeB or eNB or gNB
  • NR controller new radio controller
  • a centralized network element centralized unit
  • a new radio base station Remote radio module
  • micro base station relay, distributed unit (distributed unit)
  • reception point transmission reception point
  • TRP transmission point
  • TP transmission point
  • the terminal device may be any terminal, for example, the terminal device may be user equipment of machine type communication. That is to say, the terminal device can also be called user equipment UE, mobile station (mobile station, MS), mobile terminal (mobile terminal), terminal (terminal), etc. network, RAN) communicates with one or more core networks, for example, the terminal device can be a mobile phone (or "cellular" phone), a computer with a mobile terminal, etc., for example, the terminal device can also be a portable, pocket-sized , handheld, computer built-in or vehicle mounted mobile devices that exchange language and/or data with the radio access network.
  • the terminal device may be any terminal, for example, the terminal device may be user equipment of machine type communication. That is to say, the terminal device can also be called user equipment UE, mobile station (mobile station, MS), mobile terminal (mobile terminal), terminal (terminal), etc. network, RAN) communicates with one or more core networks, for example, the terminal device can be a mobile phone (or "cellular" phone), a computer with a mobile terminal, etc
  • network equipment and terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed on aircraft, balloons and artificial satellites in the air.
  • the embodiments of the present application do not limit the application scenarios of the network device and the terminal device.
  • communication between the network device and the terminal device and between the terminal device and the terminal device can be performed through licensed spectrum (licensed spectrum), or through unlicensed spectrum (unlicensed spectrum), or both through licensed spectrum and unlicensed spectrum for communications.
  • Communication between network equipment and terminal equipment and between terminal equipment and terminal equipment can be carried out through the spectrum below 7 gigahertz (GHz), or through the frequency spectrum above 7 GHz, and can also use the frequency spectrum below 7 GHz and the frequency spectrum at the same time.
  • the spectrum above 7GHz is used for communication.
  • the embodiments of the present application do not limit the spectrum resources used between the network device and the terminal device.
  • D2D device to device
  • M2M machine to machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • the communication system 100 applied in this embodiment of the present application is as shown in FIG. 3 .
  • 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.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device can be a mobile switching center, relay station, access point, in-vehicle equipment, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in the future evolved Public Land Mobile Network (PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B, eNB or eNodeB
  • CRAN Cloud Radio Access Network
  • the network device can be a mobile switching center, relay station, access point, in-vehicle equipment, Wearable devices, hub
  • the communication system 100 also includes at least one terminal device 120 located within the coverage of the network device 110 .
  • terminal equipment includes, but is not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connections and/or another data connection/network; and/or via a wireless interface, e.g. for cellular networks, Wireless Local Area Networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM- An FM broadcast transmitter; and/or a device of another terminal device configured to receive/transmit communication signals; and/or an Internet of Things (IoT) device.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN Wireless Local Area Networks
  • DVB-H Digital Video Broadband
  • satellite networks satellite networks
  • AM- An FM broadcast transmitter AM- An FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device arranged to communicate via a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal” or “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular telephones; Personal Communications System (PCS) terminals that may combine cellular radio telephones with data processing, fax, and data communications capabilities; may include radio telephones, pagers, Internet/Intranet PDAs with networking access, web browsers, memo pads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or others including radiotelephone transceivers electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal equipment may refer to an access terminal, user equipment (UE), 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.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks or in future evolved PLMNs, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal (Device to Device, D2D) communication may be performed between the terminal devices 120 .
  • the 5G system or 5G network may also be referred to as an NR system or an NR network.
  • FIG. 3 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.
  • An optional processing flow of the control channel detection method provided by the embodiment of the present application, as shown in FIG. 4 includes the following steps:
  • Step S201 the terminal device receives the first DCI, where the first DCI is used to determine the listening timing for skipping the detection of the control channel.
  • control channel may be a PDCCH, and the control channel may also be a scheduling-free PDSCH.
  • the first DCI may be sent by the network device to the terminal device.
  • the control channel as the PDCCH as an example
  • the X bits in the first DCI are used to directly indicate the monitoring timing of the PDCCH skipping, that is, the terminal device does not detect the PDCCH within the monitoring timing indicated by the first DCI.
  • the first DCI can also be used to indicate the detection parameter of the control channel, and the terminal device can determine the monitoring timing of the PDCCH skipping according to the detection parameter of the control channel; wherein, the detection parameter of the control channel can include at least one of the following: One item: the detection period of the control channel, the search space set of the control channel, the format of the DCI carried by the control channel, and the type of the control channel.
  • the detection period of the control channel may be the time interval between two adjacent control channel detections; the format of the DCI carried by the control channel may be format-1 or format-0; the type of the control channel It may be a control channel dedicated to the terminal device, or a control channel common to multiple terminal devices.
  • the detection parameter of the control channel indicated by the first DCI may be different from the detection parameter received by the terminal device last time, that is, the detection parameter of the control channel is adjusted;
  • the detection period of the channel or the search space set of the control channel changes, when the terminal device performs PDCCH detection, it will inevitably skip the PDCCH detection at some listening timings.
  • Step S202 the terminal device detects the control channel at a part of the listening timings in the skipping control channel detection listening timings.
  • the terminal device determines, according to the time domain parameter carried by the first DCI, a part of the listening opportunities in the skipping control channel detection, and detects a control channel at the part of the listening opportunities.
  • the first DCI may be carried in a PDCCH, and the first DCI may be used to schedule a Physical Downlink Shared Channel (PDSCH), a PDCCH, and a Physical Uplink Shared Channel (Physical Uplink Shared Channel). , PUSCH) at least one.
  • PDSCH Physical Downlink Shared Channel
  • PDCCH Physical Downlink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • the time domain parameter carried by the first DCI may be at least one of the following:
  • the first time domain offset may be represented by k0
  • the second time domain offset may be represented by k1
  • the third time domain offset may be represented by k2.
  • a schematic diagram of the first time domain offset as shown in FIG. 5 , the first DCI is transmitted in Slot1, the PDSCH scheduled by the first DCI is transmitted in Slot3, and the first time domain offset k0 is 2.
  • a schematic diagram of the second time domain offset as shown in Figure 6, the first DCI is transmitted in Slot1, the first DCI is used to schedule the PDSCH transmission in Slot3, the HARQ-ACK feedback corresponding to the PDSCH in the terminal device Slot8, the second The time domain offset k1 is 5.
  • a schematic diagram of the third time domain offset as shown in FIG. 7 , the first DCI is transmitted in slot 4 , the first DCI is used to schedule the transmission of PUSCH in slot 8 , and the third time domain offset k2 is 4.
  • the first time domain offset, the second time domain offset, and the third time domain offset may be time slots as time units, or may be frames, subframes, or symbols, etc. Time unit; the first time domain offset, the second time domain offset and the third time domain offset may be indicated by the first DCI shown.
  • the partial listening occasions may be: N listening occasions with the first offset of the time domain position where the first DCI is transmitted as the starting time domain position, where N is a positive integer.
  • the first offset includes: a first time domain offset, a sum of the second time domain offset and the adjustment offset.
  • the first time domain offset is represented by k0
  • the second time domain offset is represented by k1
  • the adjustment offset is represented by m, where m is a preset integer value, and the first offset is equal to k0+k1+m. If the terminal device receives the first DCI at slot(n), the terminal device detects the control channel at N listening occasions with slot(n+k0+k1+m) as the starting time domain position.
  • the first offset includes the sum of the third time domain offset and the adjustment offset.
  • the third time domain offset is represented by k2
  • the adjustment offset is represented by m, where m is a preset integer value, and the first offset is equal to k2+m. If the terminal device receives the first DCI at slot(n), the terminal device detects the control channel at N listening occasions with slot(n+k2+m) as the starting time domain position.
  • the search space type of the control channel detected by the terminal device at the partial listening opportunity is the same as the search space type of the control channel carrying the first DCI.
  • the search space type of the PDCCH carrying the first DCI is Type-0 search space
  • the search space type of the control channel detected by the terminal device at the partial listening time is also Type-0 search space
  • the search space type of the PDCCH of a DCI is a Type-1 search space
  • the search space type of the control channel detected by the terminal device at the partial listening timing is also a Type-1 search space.
  • the format of the DCI carried by the control channel detected by the terminal device at the partial listening opportunity is the same as the format of the first DCI. For example, if the format of the first DCI is format0, the format of the DCI carried by the control channel detected by the terminal device at the partial listening opportunity is also format0.
  • the channel type scheduled by the control channel detected by the terminal device at the partial listening opportunity is the same as the channel type scheduled by the control channel carrying the first DCI. For example, if the type of the channel scheduled by the control channel carrying the first DCI is PUSCH, the type of the channel scheduled by the control channel detected by the terminal device at the partial listening timing is also PUSCH. If the type of the channel scheduled by the control channel carrying the first DCI is PDSCH, the type of the channel scheduled by the control channel detected by the terminal device at the partial listening opportunity is also PDSCH.
  • the network device if the network device needs to retransmit the data packet, the network device sends a second DCI to the terminal device, where the second DCI is used to schedule retransmission of the data packet.
  • the terminal device if the terminal device detects the second DCI, the terminal device can determine the time domain position of the retransmitted data packet according to the second DCI, and the terminal device will receive the retransmission data packet at the time domain position determined according to the second DCI. transmitted data packets. In this scenario, the terminal device may stop detecting the control channel at the partial listening opportunity.
  • the terminal device can stop detecting the control channel at the partial listening opportunity, and can also detect the control channel according to the first DCI. Indicated after the change of the detection parameter is detected in the control channel. In a specific implementation, if the terminal device does not detect the second DCI, the terminal device detects the control channel at the partial listening opportunity, so as to wait for the terminal device to retransmit the data packet.
  • the network device transmits all data in slot(x), but since the terminal device performs PDCCH skipping in slot(x) according to the DCI sent by the network device, Then the terminal device fails to receive the data packet transmitted in slot(x); the network device needs to retransmit the data packet.
  • the terminal device detects the control channel during part of the listening time in the listening opportunity of PDCCH skipping to receive the retransmitted data packet. If the terminal device successfully receives the retransmitted data packet in the partial listening opportunity, the terminal device may stop detecting the control channel in the partial listening opportunity, and detect the control channel at slot(y) according to the DCI sent by the network device.
  • some of the listening timings of the PDCCH skipping indicated by the network device are used as the window for data packet retransmission, which can reduce the PDCCH detection of the retransmitted data packet by the terminal device; If the device fails to receive the data packet scheduled when the network device sends the PDCCH skipping indication, it can quickly complete the retransmission of the unsuccessfully received data packet. Moreover, since the retransmission window of the data packet is located within the listening opportunity of the PDCCH skipping, the system delay caused by the retransmission of the data packet after the PDCCH skipping can be avoided.
  • the control channel detection method provided in the embodiment of the present application extends the function of the PDCCH, so that the PDCCH not only has the functions of scheduling PUSCH and indicating PDCCH skipping, but also has the function of indicating the time window for data packet retransmission; for data packet retransmission, There is no need for additional physical layer energy-saving signals, and no additional signaling is introduced, which greatly saves wireless resources.
  • the embodiments of the present application are used for energy saving indication (detecting the control channel at the partial listening timings)
  • the proportion of the bits in the indication information carried by the PDCCH is small, which saves system resources.
  • Another optional processing flow of the control channel detection method provided by the embodiment of the present application, as shown in FIG. 9 includes the following steps:
  • Step S301 the network device sends a first DCI to the terminal device, where the first DCI is used by the terminal device to determine the listening timing for skipping control channel detection, and the partial listening timing skipped control channel detection is used for the The terminal device detects the control channel.
  • control channel may be a PDCCH, and the control channel may also be a scheduling-free PDSCH.
  • the X bits in the first DCI are used to directly indicate the listening timing of the PDCCH skipping, that is, the terminal device does not detect the PDCCH within the listening timing indicated by the first DCI.
  • the first DCI can also be used to indicate the detection parameter of the control channel, and the terminal device can determine the monitoring timing of the PDCCH skipping according to the detection parameter of the control channel; wherein, the detection parameter of the control channel can include at least one of the following: One item: the detection period of the control channel, the search space set of the control channel, the format of the DCI carried by the control channel, and the type of the control channel.
  • the detection period of the control channel may be the time interval between two adjacent control channel detections; the format of the DCI carried by the control channel may be format-1 or format-0; the type of the control channel It may be a control channel dedicated to the terminal device, or a control channel common to multiple terminal devices.
  • the detection parameter of the control channel indicated by the first DCI may be different from the detection parameter received by the terminal device last time, that is, the detection parameter of the control channel is adjusted;
  • the detection period of the channel or the search space set of the control channel changes, when the terminal device performs PDCCH detection, it will inevitably skip the PDCCH detection at some listening timings.
  • the partial listening occasions may be: N listening occasions with the first offset of the time domain position where the first DCI is transmitted as the starting time domain position, where N is a positive integer.
  • the first offset includes: a first time domain offset, a sum of the second time domain offset and the adjustment offset.
  • the first time domain offset is represented by k0
  • the second time domain offset is represented by k1
  • the adjustment offset is represented by m, where m is a preset integer value, and the first offset is equal to k0+k1+m. If the terminal device receives the first DCI at slot(n), the terminal device detects the control channel at N listening occasions with slot(n+k0+k1+m) as the starting time domain position.
  • the first offset includes the sum of the third time domain offset and the adjustment offset.
  • the third time domain offset is represented by k2
  • the adjustment offset is represented by m, where m is a preset integer value, and the first offset is equal to k2+m. If the terminal device receives the first DCI at slot(n), the terminal device detects the control channel at N listening occasions with slot(n+k2+m) as the starting time domain position.
  • the search space type of the control channel detected by the terminal device at the partial listening opportunity is the same as the search space type of the control channel carrying the first DCI.
  • the search space type of the PDCCH carrying the first DCI is Type-0 search space
  • the search space type of the control channel detected by the terminal device at the partial listening time is also Type-0 search space
  • the search space type of the PDCCH of a DCI is a Type-1 search space
  • the search space type of the control channel detected by the terminal device at the partial listening timing is also a Type-1 search space.
  • the format of the DCI carried by the control channel detected by the terminal device at the partial listening opportunity is the same as the format of the first DCI. For example, if the format of the first DCI is format0, the format of the DCI carried by the control channel detected by the terminal device at the partial listening opportunity is also format0.
  • the channel type scheduled by the control channel detected by the terminal device at the partial listening opportunity is the same as the channel type scheduled by the control channel carrying the first DCI. For example, if the type of the channel scheduled by the control channel carrying the first DCI is PUSCH, the type of the channel scheduled by the control channel detected by the terminal device at the partial listening timing is also PUSCH. If the type of the channel scheduled by the control channel carrying the first DCI is PDSCH, the type of the channel scheduled by the control channel detected by the terminal device at the partial listening opportunity is also PDSCH.
  • the network device if the network device needs to retransmit the data packet, the network device sends a second DCI to the terminal device, where the second DCI is used to schedule retransmission of the data packet.
  • the network device may retransmit the data packet at the partial listening opportunity.
  • the embodiment of the present application further provides a terminal device.
  • the optional composition structure of the terminal device 400 as shown in FIG. 10 , includes:
  • a receiving unit 401 configured to receive a first DCI, where the first DCI is used to determine a listening timing for skipping control channel detection;
  • the processing unit 402 is configured to detect a control channel at a part of the listening opportunities in the skipping detection of the control channel.
  • the processing unit 402 is configured to detect the control channel at a part of the listening opportunities in the skipping control channel detection according to the time domain parameter carried by the first DCI.
  • the time domain parameter includes at least one of the following:
  • a third time domain offset between the first DCI and the PUSCH scheduled by the first DCI is a third time domain offset between the first DCI and the PUSCH scheduled by the first DCI.
  • the first DCI is used to directly indicate the listening opportunity for skipping control channel detection
  • the first DCI is used to indicate the detection parameter of the control channel
  • the detection parameter of the control channel is used to determine the listening timing for skipping the detection of the control channel.
  • the detection parameters of the control channel include at least one of the following:
  • the detection period of the control channel the search space set of the control channel, the format of the DCI carried by the control channel, and the type of the control channel.
  • the partial listening opportunity includes:
  • N is a positive integer.
  • the first offset is the sum of the first time domain offset, the second time domain offset and the adjustment offset.
  • the first offset is the sum of the third time domain offset and the adjustment offset.
  • the first time domain offset is a time domain offset between the first DCI and the PDSCH scheduled by the first DCI
  • the second time domain offset is the time domain offset between the first DCI and the PUSCH scheduled by the first DCI
  • the adjustment offset is a preset value.
  • the search space type of the control channel detected at the partial listening opportunity is the same as the search space type of the control channel carrying the first DCI.
  • the format of the DCI carried by the control channel detected at the partial listening opportunity is the same as the format of the first DCI.
  • the type of the channel scheduled by the control channel detected at the partial listening opportunity is the same as the type of the channel scheduled by the control channel carrying the first DCI.
  • the processing unit is configured to detect the control channel at the partial listening opportunity.
  • the processing unit is configured to stop detecting the control channel, and/or the processing unit is configured to be based on The first DCI detects a control channel.
  • the function of the receiving unit 401 may be implemented by a receiver or a transceiver, and the function of the processing unit 402 may be implemented by a processor.
  • the embodiment of the present application further provides a network device.
  • the optional composition structure of the network device 500 includes:
  • the sending unit 501 is configured to send a first DCI to a terminal device; the first DCI is used by the terminal device to determine a listening opportunity for skipping control channel detection, and the part of the listening opportunity skipping control channel detection is used for all monitoring occasions.
  • the terminal device detects the control channel.
  • the first DCI is used to directly indicate the listening opportunity for skipping control channel detection
  • the first DCI is used to indicate the detection parameter of the control channel
  • the detection parameter of the control channel is used to determine the listening timing for skipping the detection of the control channel.
  • the detection parameters of the control channel include at least one of the following:
  • the detection period of the control channel the search space set of the control channel, the format of the DCI carried by the control channel, and the type of the control channel.
  • the partial listening opportunity includes:
  • N is a positive integer.
  • the first offset is the sum of the first time domain offset, the second time domain offset and the adjustment offset.
  • the first offset is the sum of the third time domain offset and the adjustment offset.
  • the first time domain offset is a time domain offset between the first DCI and the PDSCH scheduled by the first DCI
  • the second time domain offset is the time domain offset between the first DCI and the PUSCH scheduled by the first DCI
  • the adjustment offset is a preset value.
  • the search space type of the control channel detected by the terminal device at the partial listening opportunity is the same as the search space type of the control channel carrying the first DCI.
  • the format of the DCI carried by the control channel detected by the terminal device at the partial listening opportunity is the same as the format of the first DCI.
  • the type of the channel scheduled by the control channel detected by the terminal device at the partial listening opportunity is the same as the type of the channel scheduled by the control channel carrying the first DCI.
  • the function of the sending unit 501 may be implemented by a transmitter or a transceiver.
  • the network device provided in the embodiment of the present application may further include a receiving unit, configured to receive the HARQ-ACK corresponding to the PDSCH sent by the terminal device; the function of the receiving unit may be implemented by a receiver or a transceiver.
  • An embodiment of the present application further provides a terminal device, including a processor and a memory for storing a computer program that can be run on the processor, wherein the processor is configured to execute the program executed by the terminal device when the processor is running the computer program. Steps of a control channel detection method.
  • An embodiment of the present application further provides a network device, including a processor and a memory for storing a computer program that can be run on the processor, wherein the processor is configured to execute the program executed by the network device when running the computer program. Steps of a control channel detection method.
  • An embodiment of the present application further provides a chip, including: a processor for invoking and running a computer program from a memory, so that a device on which the chip is installed executes the control channel detection method executed by the terminal device.
  • An embodiment of the present application further provides a chip, including: a processor configured to call and run a computer program from a memory, so that a device installed with the chip executes the control channel detection method executed by the network device.
  • An embodiment of the present application further provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned method for detecting a control channel executed by a terminal device is implemented.
  • An embodiment of the present application further provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned method for detecting a control channel executed by a network device is implemented.
  • Embodiments of the present application further provide a computer program product, including computer program instructions, the computer program instructions enable a computer to execute the above-mentioned control channel detection method executed by a terminal device.
  • Embodiments of the present application further provide a computer program product, including computer program instructions, the computer program instructions enable a computer to execute the above-mentioned control channel detection method executed by a network device.
  • the embodiment of the present application further provides a computer program, the computer program enables the computer to execute the control channel detection method executed by the terminal device.
  • the embodiment of the present application further provides a computer program, the computer program enables the computer to execute the control channel detection method executed by the above-mentioned network device.
  • FIG. 12 is a schematic diagram of a hardware structure of an electronic device (terminal device or network device) according to an embodiment of the present application.
  • the electronic device 700 includes: at least one processor 701 , memory 702 and at least one network interface 704 .
  • the various components in electronic device 700 are coupled together by bus system 705 .
  • bus system 705 is used to implement the connection communication between these components.
  • the bus system 705 also includes a power bus, a control bus and a status signal bus.
  • the various buses are labeled as bus system 705 in FIG. 12 .
  • memory 702 may be either volatile memory or non-volatile memory, and may include both volatile and non-volatile memory.
  • the non-volatile memory can be ROM, Programmable Read-Only Memory (PROM, Programmable Read-Only Memory), Erasable Programmable Read-Only Memory (EPROM, Erasable Programmable Read-Only Memory), Electrically Erasable Programmable Read-Only Memory Programmable read-only memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access memory (FRAM, ferromagnetic random access memory), flash memory (Flash Memory), magnetic surface memory, optical disk, or CD-ROM -ROM, Compact Disc Read-Only Memory); magnetic surface memory can be disk memory or tape memory.
  • RAM Random Access Memory
  • SRAM Static Random Access Memory
  • SSRAM Synchronous Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Type Synchronous Dynamic Random Access Memory
  • SLDRAM Synchronous Link Dynamic Random Access Memory
  • DRRAM Direct Rambus Random Access Memory
  • the memory 702 described in the embodiments of the present application is intended to include, but not limited to, these and any other suitable types of memory.
  • the memory 702 in this embodiment of the present application is used to store various types of data to support the operation of the electronic device 700 .
  • Examples of such data include: any computer program used to operate on electronic device 700, such as application 7022.
  • the program for implementing the method of the embodiment of the present application may be included in the application program 7022 .
  • the methods disclosed in the above embodiments of the present application may be applied to the processor 701 or implemented by the processor 701 .
  • the processor 701 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method can be completed by an integrated logic circuit of hardware in the processor 701 or an instruction in the form of software.
  • the above-mentioned processor 701 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like.
  • the processor 701 may implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of this application.
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located in the memory 702, and the processor 701 reads the information in the memory 702, and completes the steps of the foregoing method in combination with its hardware.
  • the electronic device 700 may be implemented by one or more of Application Specific Integrated Circuit (ASIC, Application Specific Integrated Circuit), DSP, Programmable Logic Device (PLD, Programmable Logic Device), Complex Programmable Logic Device (CPLD) , Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, MPU, or other electronic component implementation for performing the aforementioned method.
  • ASIC Application Specific Integrated Circuit
  • DSP Digital Signal processor
  • PLD Programmable Logic Device
  • CPLD Complex Programmable Logic Device
  • FPGA general-purpose processor
  • controller MCU, MPU, or other electronic component implementation for performing the aforementioned method.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
  • the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

Landscapes

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

Abstract

La présente demande concerne un procédé de détection de canal de commande, comprenant les étapes suivantes : un dispositif terminal reçoit des premières informations de commande de liaison descendante (DCI), les premières DCI étant utilisées pour déterminer des occasions de surveillance pour sauter la détection d'un canal de commande ; et le dispositif terminal détecte le canal de commande dans certaines des occasions de surveillance pour sauter la détection du canal de commande. La présente demande concerne en outre un autre procédé de détection de canal de commande, un dispositif électronique et un support de stockage.
PCT/CN2020/137201 2020-12-17 2020-12-17 Procédé de détection de canal de commande, dispositif électronique, et support de stockage WO2022126482A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/137201 WO2022126482A1 (fr) 2020-12-17 2020-12-17 Procédé de détection de canal de commande, dispositif électronique, et support de stockage
CN202080106964.8A CN116438851A (zh) 2020-12-17 2020-12-17 一种控制信道检测方法、电子设备及存储介质

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/137201 WO2022126482A1 (fr) 2020-12-17 2020-12-17 Procédé de détection de canal de commande, dispositif électronique, et support de stockage

Publications (1)

Publication Number Publication Date
WO2022126482A1 true WO2022126482A1 (fr) 2022-06-23

Family

ID=82058796

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/137201 WO2022126482A1 (fr) 2020-12-17 2020-12-17 Procédé de détection de canal de commande, dispositif électronique, et support de stockage

Country Status (2)

Country Link
CN (1) CN116438851A (fr)
WO (1) WO2022126482A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017223015A1 (fr) * 2016-06-24 2017-12-28 Microsoft Technology Licensing, Llc Détection de porteuse symétrique basée sur une corrélation de saut avec de multiples niveaux de puissance
CN111436094A (zh) * 2019-01-11 2020-07-21 华为技术有限公司 通信方法及装置
CN111586812A (zh) * 2019-02-15 2020-08-25 海信集团有限公司 一种终端接收节能信号的方法及终端

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017223015A1 (fr) * 2016-06-24 2017-12-28 Microsoft Technology Licensing, Llc Détection de porteuse symétrique basée sur une corrélation de saut avec de multiples niveaux de puissance
CN111436094A (zh) * 2019-01-11 2020-07-21 华为技术有限公司 通信方法及装置
CN111586812A (zh) * 2019-02-15 2020-08-25 海信集团有限公司 一种终端接收节能信号的方法及终端

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
APPLE INC.: "PDCCH based power saving channel design for UE power saving", 3GPP DRAFT; R1-2006529, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. TSG RAN, no. e-Meeting; 20200817 - 20200828, 8 August 2020 (2020-08-08), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051918095 *
MODERATOR (VIVO): "FL summary#4 of potential extension(s) to Rel-16 DCI-based power saving adaptation during DRX ActiveTime", 3GPP DRAFT; R1-2007400, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20200817 - 20200828, 28 August 2020 (2020-08-28), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051922871 *

Also Published As

Publication number Publication date
CN116438851A (zh) 2023-07-14

Similar Documents

Publication Publication Date Title
WO2021056546A1 (fr) Procédé de surveillance d'un signal de réveil, dispositif électronique et support de stockage
WO2021120013A1 (fr) Procédé de surveillance d'un signal de réveil, dispositif terminal et dispositif de réseau
US20220104134A1 (en) Method for wus monitoring and terminal device
WO2020163998A1 (fr) Procédé et dispositif de communication sans fil
WO2021217351A1 (fr) Procédé de surveillance de canal, dispositif électronique et support de stockage
WO2021082012A1 (fr) Procédé pour déterminer l'état de démarrage d'un temporisateur continu de réception discontinue et dispositifs
WO2020019756A1 (fr) Procédé et appareil de détermination de ressource de transmission, et dispositif terminal
US20220039013A1 (en) Method and device for discontinuous reception
WO2021087675A1 (fr) Procédé de surveillance d'un signal de réveil, dispositif électronique et support de stockage
WO2021081838A1 (fr) Procédé et appareil de configuration drx, dispositif terminal et dispositif de réseau
WO2021159250A1 (fr) Procédé, appareil et dispositif de traitement de réception discontinue, et support de stockage
US20220095230A1 (en) Discontinuous reception method, electronic device and storage medium
WO2021092861A1 (fr) Procédé de communication sans fil, dispositif de terminal et dispositif de réseau
WO2022006879A1 (fr) Procédé de transmission d'indication de radiomessagerie, dispositif électronique et support d'enregistrement
US20230043850A1 (en) Channel monitoring method, electronic device, and storage medium
WO2020248143A1 (fr) Procédé de commande de puissance, dispositif terminal et dispositif de réseau
WO2022027635A1 (fr) Procédé d'indication de radiomessagerie et dispositif électronique et support de stockage
WO2022126482A1 (fr) Procédé de détection de canal de commande, dispositif électronique, et support de stockage
WO2022021023A1 (fr) Procédé et appareil d'indication d'informations, dispositif terminal et dispositif de réseau
WO2021109038A1 (fr) Procédé de transmission de liaison montante, dispositif électronique, et support de stockage
WO2020124548A1 (fr) Procédé et appareil permettant de déterminer une ressource temps-fréquence, puce et programme informatique
WO2020186467A1 (fr) Procédé et appareil pour réception discontinue sur spectre sans licence
WO2021232377A1 (fr) Procédé de configuration pour une réception discontinue, dispositif électronique et support de stockage
WO2022000501A1 (fr) Procédé de radiorecherche par transmissions répétées, dispositif électronique et support de stockage
WO2021128210A1 (fr) Procédé de mesure, appareil électronique et support de stockage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20965498

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20965498

Country of ref document: EP

Kind code of ref document: A1