WO2020253422A1 - 一种控制通信状态的方法及装置、终端、网络设备 - Google Patents
一种控制通信状态的方法及装置、终端、网络设备 Download PDFInfo
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- WO2020253422A1 WO2020253422A1 PCT/CN2020/090082 CN2020090082W WO2020253422A1 WO 2020253422 A1 WO2020253422 A1 WO 2020253422A1 CN 2020090082 W CN2020090082 W CN 2020090082W WO 2020253422 A1 WO2020253422 A1 WO 2020253422A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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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
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0082—Timing of allocation at predetermined intervals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
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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
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
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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
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- 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 mobile communication technology, and specifically relate to a method and device, terminal, and network device for controlling a communication state.
- the embodiment of the application provides a method and device, terminal, and network equipment for controlling the communication state.
- a terminal receives a Physical Downlink Control Channel (PDCCH) sent by a network device in a first time slot, where the PDCCH carries first indication information, and the first indication information is used to indicate a first communication state;
- PDCCH Physical Downlink Control Channel
- the terminal enters the first communication state in a second time slot according to the first indication information, and the second time slot is located after the first time slot.
- the network device sends a PDCCH to the terminal, the PDCCH carries first indication information, the first indication information is used to indicate the first communication state; the first indication information is used for the terminal to receive the first time slot After the first indication information, access the first communication state in a second time slot, which is located after the first time slot.
- the device for controlling the communication state provided by the embodiment of the present application is applied to a terminal, and the device includes:
- a receiving unit configured to receive a PDCCH sent by a network device in a first time slot, where the PDCCH carries first indication information, and the first indication information is used to indicate a first communication state;
- the control unit is configured to enter the first communication state in a second time slot according to the first instruction information, and the second time slot is located after the first time slot.
- the device for controlling the communication state provided by the embodiment of the present application is applied to a network device, and the device includes:
- the sending unit is configured to send a PDCCH to the terminal, where the PDCCH carries first indication information, the first indication information is used to indicate the first communication state; the first indication information is used for the terminal to receive in the first time slot After the first indication information is reached, the first communication state is accessed in a second time slot, and the second time slot is located after the first time slot.
- the terminal provided in the embodiment of the present application includes 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 aforementioned method for controlling the communication state.
- the network device provided by the embodiment of the present application includes 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 aforementioned method for controlling the communication state.
- the chip provided in the embodiment of the present application is used to implement the above-mentioned method for controlling the communication state.
- the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned method for controlling the communication state.
- the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program, and the computer program enables a computer to execute the above-mentioned method for controlling a communication state.
- the computer program product provided by the embodiment of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned method for controlling a communication state.
- the computer program provided by the embodiment of the present application when it runs on a computer, causes the computer to execute the above-mentioned method for controlling the communication state.
- the network device sends the first indication information to the terminal through the PDCCH, and indicates the first communication state that needs to be entered to the terminal through the first indication information.
- the first communication state may be any type of energy-saving state. For example, cross-slot scheduling status, multiple-input multiple-output (Multiple-Input Multiple-Output, MIMO) transmission layer number status, etc., so as to ensure that the terminal and network equipment have a consistent understanding of the terminal's communication status and ensure communication efficiency.
- FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
- FIG. 2 is a schematic diagram of a DRX cycle provided by an embodiment of the present application.
- Figure 3 is a schematic diagram of cross-slot scheduling provided by an embodiment of the present application.
- FIG. 4 is a schematic flowchart of a method for controlling a communication state provided by an embodiment of the present application
- FIG. 5 is a schematic diagram of switching of a cross-slot scheduling state provided by an embodiment of the present application.
- FIG. 6 is a first structural composition diagram of a device for controlling a communication state provided by an embodiment of the present application.
- FIG. 7 is a second structural composition diagram of a device for controlling a communication state provided by an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- FIG. 9 is a schematic structural diagram of a chip of an embodiment of the present application.
- FIG. 10 is a schematic block diagram of a communication system 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
- GSM Global System of Mobile Communication
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access
- the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
- the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or a terminal).
- the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in 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 the wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in the future evolution of the Public Land Mobile Network (PLMN), etc.
- BTS Base Transceiver Station
- NodeB, NB base station
- LTE Long Term Evolutional Node B
- eNB evolved base station
- CRAN Cloud Radio Access Network
- the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches
- the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
- the "terminal” used here includes, but is not limited to, connection via wired lines, such as public switched telephone networks (PSTN), digital subscriber lines (Digital Subscriber Line, DSL), digital cables, and direct cable connections; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another terminal's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
- a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
- mobile terminals include, but are not limited to, satellites or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio phone transceivers Electronic device.
- PCS Personal Communications System
- GPS Global Positioning System
- Terminal can refer to access terminal, terminal (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal, wireless communication equipment, user agent or user device .
- the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- the terminals 120 may perform device-to-device (D2D) communication.
- D2D device-to-device
- the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
- NR New Radio
- FIG. 1 exemplarily shows one network device and two terminals.
- the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
- the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
- network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
- the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
- the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here;
- the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
- DRX For the consideration of terminal power saving, current systems all support the DRX transmission mechanism.
- the main principle of DRX is to realize discontinuous reception of signals in the time domain through a semi-static configuration. When there is no data transmission, the power consumption can be reduced by stopping receiving the PDCCH (the blind PDCCH detection will be stopped at this time), thereby increasing the battery life.
- the method of configuring DRX is to configure a DRX cycle (DRX cycle) for the connected terminal.
- the DRX cycle is composed of Active Time and Inactive Time.
- the terminal monitors and receives the PDCCH (active period); during the inactive time, the terminal does not Receive PDCCH to reduce power consumption (sleep period).
- the transmission of paging messages belongs to a DRX mechanism in an idle state, and the DRX cycle is the cycle of the paging message at this time.
- the active time and the inactive time are formed in the following way: the time is divided into successive DRX cycles. Each DRX cycle starts to enter the DRX ON state, and when DRX is ON, the terminal will detect the PDCCH according to the configured monitoring opportunity (Monitoring Occasion, MO). When the terminal detects the PDCCH, it starts or refreshes the inactivity timer (Inactivity Timer). If DRX ON is not over or Inactivity Timer is not over, the terminal is in the activation time. The terminal at the active time needs to detect the PDCCH.
- 5G NR also follows the energy-saving mechanism of LTE, and its defined DRX configuration method inherits the DRX configuration of LTE.
- FIG. 3 represents the offset value between the time slot where the PDCCH is located and the time slot where the scheduled physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) is located.
- PDSCH Physical Downlink Shared Channel
- cross-slot scheduling reduces the power consumption of the terminal, but it is necessary to introduce a mechanism for the network to notify the terminal to enter the state of cross-slot scheduling. It can be considered to directly inform the terminal of the cross-slot scheduling state that the terminal needs to enter through the PDCCH.
- the DRX mechanism configuration is more complicated, and there is a certain configuration signaling cost.
- the DRX mechanism is a semi-static configuration with greater flexibility limitations.
- the energy-saving method in which the PDCCH directly instructs the terminal to enter the cross-slot scheduling state can better adapt to dynamic scheduling changes and is more flexible than DRX configuration.
- PDCCH has a certain probability of missed detection. Once the terminal loses the PDCCH sent by the network to indicate the cross-slot scheduling status, the problem of inconsistent understanding of the cross-slot scheduling status between the terminal and the network will occur.
- the terminal When the terminal receives an energy saving indication signal (such as PDCCH) for indicating the cross-slot scheduling state, the terminal needs a certain conversion time to switch to the indicated cross-slot scheduling state.
- an energy saving indication signal such as PDCCH
- the energy-saving indication signal used to indicate the cross-slot scheduling status can be sent using a dedicated control channel (ie dedicated physical layer signal) before DRX ON .
- a dedicated control channel ie dedicated physical layer signal
- the energy saving indication signal (such as a dedicated control channel) before DRX ON and the energy saving indication signal (such as PDCCH) in DRX ON exist at the same time, a corresponding processing mechanism needs to be defined.
- FIG. 4 is a schematic flowchart of a method for controlling a communication state provided by an embodiment of the application. As shown in FIG. 4, the method for controlling a communication state includes the following steps:
- Step 401 The network device sends a PDCCH to the terminal, and the terminal receives the PDCCH sent by the network device in a first time slot.
- the PDCCH carries first indication information, and the first indication information is used to indicate a first communication state.
- the network device may be a base station, such as a gNB, an eNB, and so on.
- the PDCCH may also be referred to as an energy saving indication signal or an energy saving scheduling signal.
- the PDCCH carries first indication information, and the first indication information is used to indicate the first communication state that the terminal needs to enter.
- the first communication state may be the first cross-slot scheduling state or the first MIMO transmission layer number state.
- the PDCCH carries the first indication information, which can be implemented in the following manner: a bit corresponding to the first indication information is added to the PDCCH, and the first communication state is indicated by the bit.
- the PDCCH also carries at least one of the following: frequency domain scheduling information of the data channel, time domain scheduling information of the data channel, modulation and coding strategy (Modulation and Coding Scheme, MCS) indication information, power control information, Channel state information (Channel State Information, CSI) trigger information, and bandwidth part (Band Width Part, BWP) switching indication information.
- the data channel includes at least one of the following: a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH), and a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH).
- Step 402 The terminal enters the first communication state in a second time slot according to the first instruction information, and the second time slot is located after the first time slot.
- the first communication state is a first cross-slot scheduling state; the terminal compares the first cross-slot scheduling state with the second cross-slot scheduling state currently in which the terminal is located; if the first cross-slot scheduling state is A cross-slot scheduling state is different from the second cross-slot scheduling state, and the terminal enters the first cross-slot scheduling state in the second time slot.
- the UE receives the PDCCH sent by the network device in slot n.
- N bits in the PDCCH are used to indicate the first cross-slot scheduling state, for example, 2 bits in the PDCCH are used to indicate the first cross-slot scheduling state.
- the UE compares the first cross-slot scheduling state indicated in the PDCCH with the UE's current second cross-slot scheduling state, and if they are different, the UE enters the first cross-slot scheduling state indicated by the PDCCH at slot n+x.
- the current second cross-slot scheduling state of the UE refers to the cross-slot scheduling state corresponding to the UE in slot n.
- x is a positive integer.
- the value of x is the maximum value of a and S C , the a is a constant, and the S C is the slot offset corresponding to the second cross-slot scheduling state where the terminal is currently located.
- x MAX(a, S C ).
- the time slot offset corresponding to the cross-slot scheduling state refers to K0 as shown in FIG. 3, that is, the offset between the time slot of the data channel scheduled by the PDCCH and the time slot of the PDCCH.
- the first indication information includes N bits, where N is a positive integer, and different values of the N bits are used to indicate different first cross-slot scheduling states, and the first The correspondence between the cross-slot scheduling state and the value of the N bits is configured by high-level signaling.
- the higher layer information is, for example, RRC signaling.
- time slot offset corresponding to the cross-slot scheduling state in the embodiment of the present application refers to the minimum time slot offset corresponding to the cross-slot scheduling state.
- the value of the N bits is determined by the number of cross-slot scheduling states of PUSCH and the number of cross-slot scheduling states of PDSCH configured by high-level signaling. Specifically, if the number of cross-slot scheduling states of the PUSCH and the number of cross-slot scheduling states of the PDSCH are not configured in high-level signaling, the value of the N bit is 0; if the high-level signaling configures the The number of cross-slot scheduling states of the PUSCH and/or the number of cross-slot scheduling states of the PDSCH, the value of the N bit is 1.
- high-level signaling can configure the number of cross-slot scheduling states of PUSCH and the number of cross-slot scheduling states of PDSCH respectively, or high-level signaling can choose to configure only the number of cross-slot scheduling states of PUSCH or only configure PDSCH The number of cross-slot scheduling states, or the high-level signaling may also configure neither the number of cross-slot scheduling states of PUSCH nor the number of cross-slot scheduling states of PDSCH.
- the number of cross-slot scheduling states of the PDSCH is used to determine the first time slot offset of the PDSCH
- the number of cross-slot scheduling states of the PUSCH is used to determine the second time slot offset of the PUSCH.
- the first timeslot offset there are two timeslot offsets corresponding to the scheduling state during the first cross-slot indicated by the first indication information, namely the timeslot offset corresponding to the PDSCH (referred to as the first timeslot offset). Shift) and the time slot offset corresponding to the PUSCH (referred to as the second time slot offset), wherein the first time slot offset of the PDSCH and the second time slot offset of the PUSCH have different values.
- first time slot offset of the PDSCH and the second time slot offset of the PUSCH can be configured in the following two ways:
- Each first cross-slot scheduling state corresponds to a set of slot offsets, and the set of slot offsets includes the first slot offset of the PDSCH and the second slot offset of the PUSCH.
- the first cross-slot scheduling state is represented by 2 bits, and any 2-bit value can correspond to the combination of the following two slot offsets:
- the time slot offset of the PDSCH scheduled by the PDCCH relative to the PDCCH (that is, the first time slot offset);
- the time slot offset of the PUSCH scheduled by the PDCCH relative to the PDCCH (that is, the second time slot offset).
- Each of the first cross-slot scheduling states corresponds to a time slot offset, and the one time slot offset is the first time slot offset of the PDSCH or the second time slot offset of the PUSCH.
- the first cross-slot scheduling state is represented by 2 bits, and any 2-bit value can correspond to one of the following slot offsets:
- the time slot offset of the PDSCH scheduled by the PDCCH relative to the PDCCH (that is, the first time slot offset);
- the time slot offset of the PUSCH scheduled by the PDCCH relative to the PDCCH (that is, the second time slot offset).
- the slot offsets corresponding to PDSCH and PUSCH are independently configured.
- the value of a time slot offset corresponding to the first cross-slot scheduling state is the first The value of the cross-slot scheduling state; if the high-level signaling does not configure the value of the first cross-slot scheduling state, the value of a time slot offset corresponding to the first cross-slot scheduling state is one
- a constant value for example, a constant value of 0, represents that the first cross-slot scheduling state is intra-slot scheduling.
- the value of the first time slot offset of PUSCH can be determined in the following manner:
- the value of the first time slot offset of the PUSCH is the value of the first cross-slot scheduling state; if the high-level signaling If the value of the first cross-slot scheduling state is not configured, the value of the first time slot offset of the PUSCH is a constant value, for example, the constant value is zero.
- the value of the first slot offset of PDSCH can be determined in the following manner:
- the value of the first time slot offset of the PDSCH is the value of the first cross-slot scheduling state; if the high-level signaling If the value of the first cross-slot scheduling state is not configured, the value of the first time slot offset of the PDSCH is a constant value, for example, the constant value is zero.
- the embodiment of the present application also provides a fault tolerance mechanism, specifically:
- the terminal determines that the time-domain scheduling information of the first PDSCH does not match the second cross-slot scheduling state where the terminal is currently located, the terminal sends a negative feedback message to the network device, and the first A PDSCH refers to the PDSCH scheduled by the PDCCH received by the terminal in the first time slot.
- the terminal determines the first The time-domain scheduling information of the PDSCH does not match the second cross-slot scheduling state where the terminal is currently located.
- the non-conforming judgment condition includes at least: the time slot offset of the time domain scheduling information of the PDSCH scheduled by the PDCCH is less than S C. It should be noted that the time slot offset of the time-domain scheduling information of the PDSCH scheduled by the PDCCH is less than S C , which will cause the UE to be unable to receive the PDSCH. The UE expects to receive the PDSCH with the time slot offset greater than or equal to S C. Therefore, the UE reports to the network equipment Feedback NACK.
- the terminal determines that the time-domain scheduling information of the first PUSCH does not match the second cross-slot scheduling state where the terminal is currently located, the terminal does not transmit the first PUSCH to the network device,
- the first PUSCH refers to a PUSCH scheduled by the PDCCH received by the terminal in the first time slot.
- the terminal determines the first The time-domain scheduling information of the PUSCH does not match the second cross-slot scheduling state where the terminal is currently located.
- the non-conforming judgment condition includes at least: the time slot offset of the time domain scheduling information of the PUSCH scheduled by the PDCCH is less than S C.
- the terminal when the time-domain scheduling information of the data channel (PUSCH or PDSCH) scheduled by the PDCCH does not match the current second cross-slot scheduling state of the terminal, the terminal ignores the scheduling of the data channel, but the other PDCCH Domains, such as the first indication information, power control information, etc. are still valid.
- the terminal is in the default cross-slot scheduling state before receiving the first indication information, and the value of the time slot offset corresponding to the default cross-slot scheduling state is 0 or positive. Integer.
- the UE when the UE has not received the first indication information of the first cross-slot scheduling state, the UE sets a default cross-slot scheduling state, the value of the time slot offset corresponding to the default cross-slot scheduling state Is a minimum value, such as 0.
- all PDCCH and DCI formats monitored by the terminal may carry the first indication information.
- the above-mentioned scheme of indicating the cross-slot scheduling status through the PDCCH can coexist with the DRX mechanism, wherein the terminal receives a dedicated control channel sent by the network device, and the dedicated control channel carries second indication information,
- the second indication information is used to indicate the default cross-slot scheduling state; according to the second indication information, the terminal enters the default cross-slot scheduling state at the beginning of the DRX ON state, and in DRX ON Enter the default cross-slot scheduling state at the end time.
- the terminal receives a dedicated control channel sent by the network device, and the dedicated control channel carries second indication information
- the second indication information is used to indicate the default cross-slot scheduling state; according to the second indication information, the terminal enters the default cross-slot scheduling state at the beginning of the DRX ON state, and in DRX ON Enter the default cross-slot scheduling state at the end time.
- the UE communicates according to the default cross-slot scheduling state indicated by the dedicated control channel before DRX ON
- the default slot offset corresponding to the cross-slot scheduling state is 0, that is, simultaneous slot scheduling.
- the UE receives the PDCCH.
- the PDCCH includes the scheduling information (time-domain scheduling information and frequency-domain scheduling information) of the data channel and the first indication information.
- Figure 5 abbreviates this kind of PDCCH as scheduling + indication 1 or scheduling + indication 0, where , Scheduling refers to the scheduling information of the data channel, indication 1 corresponds to cross-slot scheduling state 1, and indication 0 corresponds to cross-slot scheduling state 0.
- the PDCCH may not contain any scheduling information and first indication information of the data channel.
- Figure 5 abbreviates this kind of PDCCH as no scheduling.
- the PDCCH in the dashed frame on the left indicates that the UE enters the cross-slot scheduling state 1, and the UE will enter the cross-slot scheduling state 1 in the next time slot after receiving the PDCCH; the PDCCH in the dashed frame on the right indicates The UE enters the cross-slot scheduling state 0, and the UE will enter the cross-slot state 0 in the next x time slots after receiving the PDCCH.
- x MAX(a, S C ).
- the time slot offset corresponding to the cross-slot scheduling state 1 is 1 time slot
- the time slot offset corresponding to the cross-slot scheduling state 0 is 0 time slots.
- the first communication status is the first MIMO transmission layer number status of the data channel; the terminal compares the first MIMO transmission layer number status with the second MIMO transmission layer number status currently in which the terminal is located; if If the first MIMO transmission layer number state is different from the second MIMO transmission layer number state, the terminal enters the first MIMO transmission layer number state in the second time slot.
- the UE receives the PDCCH sent by the network device in slot n.
- the N bits in the PDCCH are used to indicate the first MIMO transmission layer number status of the data channel (PDSCH or PUSCH), for example, 2 bits in the PDCCH are used to indicate the first MIMO transmission layer number status.
- the UE compares the first MIMO transmission layer number status indicated in the PDCCH with the UE's current second MIMO transmission layer number status, and if they are different, the UE enters the first MIMO transmission layer number status indicated by the PDCCH in slot n+x.
- the current second MIMO transmission layer number status of the UE refers to the MIMO transmission layer number status corresponding to the UE in slot n.
- the first indication information includes N bits, where N is a positive integer, and different values of the N bits are used to indicate different states of the number of first MIMO transmission layers.
- the correspondence between the status of the number of MIMO transmission layers and the value of the N bits is configured by high-level signaling.
- the higher layer information is, for example, RRC signaling.
- the embodiments of the present application also provide a fault tolerance mechanism, specifically: the terminal determines that the number of MIMO transmission layers of the first data part is greater than the limit of the number of second MIMO transmission layers the terminal is currently in. In the case of the number of transmission layers, the terminal sends a negative feedback message to the network device, and the first data part refers to the data part indicated by the PDCCH received by the terminal in the first time slot.
- the UE feeds back a NACK to the network device.
- the number of transmission layers limited by the second MIMO transmission layer number status of the terminal currently located is defined as:
- the number of transmission layers limited by the second MIMO transmission layer number status of the terminal currently is the maximum number of transmission layers of the PDSCH expected to be received by the terminal; or,
- the number of transmission layers restricted by the second MIMO transmission layer number status of the terminal currently located is the maximum number of transmission layers of the PUSCH that the terminal can transmit.
- the technical solution of the embodiment of the present application allows the network to trigger the energy-saving function on the terminal side more reasonably.
- the technical solution of the embodiment of the present application extends the existing PDCCH, and the extended PDCCH supports the scheduling function of the data channel and the energy-saving indication function of the terminal at the same time, and no additional energy-saving physical layer signal is required.
- the embodiment of the application adopts dynamic signaling such as PDCCH, which can make the terminal enter the energy-saving state as soon as possible, and the adaptive time scale of energy-saving can be reduced from tens of microseconds to microseconds.
- the technical solutions of the embodiments of the present application implement fault tolerance processing after the terminal loses the PDCCH.
- the method adopted in the embodiments of this application takes the cross-slot scheduling state and the MIMO transmission layer number state as examples.
- the important feature of this application is that the PDCCH is used to trigger the switching of different communication states.
- the switching mode can be extended to other signaling processes, and other energy-saving states of the terminal, such as the state of the maximum number of receiving antennas of the terminal, the state of the measurement period of the terminal, and so on.
- FIG. 6 is a schematic diagram 1 of the structural composition of the device for controlling the communication state provided by an embodiment of the application.
- the device for controlling the communication state is applied to a terminal.
- the device for controlling the communication state includes:
- the receiving unit 601 is configured to receive a PDCCH sent by a network device in a first time slot, where the PDCCH carries first indication information, and the first indication information is used to indicate a first communication state;
- the control unit 602 is configured to enter the first communication state in a second time slot according to the first indication information, and the second time slot is located after the first time slot.
- the first communication state is a first cross-slot scheduling state
- the control unit 602 is configured to: compare the first cross-slot scheduling state with the second cross-slot scheduling state that the terminal is currently in; if the first cross-slot scheduling state is compared with the If the second cross-slot scheduling state is different, the first cross-slot scheduling state is entered in the second time slot.
- the value of x is the maximum value of a and S C, a is a constant, S C is the cross-slot of the second scheduling state corresponding to the terminal is currently located Gap offset.
- the first indication information includes N bits, where N is a positive integer, and different values of the N bits are used to indicate different first cross-slot scheduling states, and the first The correspondence between the cross-slot scheduling state and the value of the N bits is configured by high-level signaling.
- the value of the N bits is determined by the number of cross-slot scheduling states of PUSCH and the number of cross-slot scheduling states of PDSCH configured by high-level signaling.
- the value of the N bit is 0;
- the value of the N bit is 1.
- each of the first cross-slot scheduling states corresponds to a set of slot offsets
- the set of slot offsets includes the first slot offset of PDSCH and the second slot offset of PUSCH. shift.
- each of the first cross-slot scheduling states corresponds to a slot offset
- the one slot offset is the first slot offset of the PDSCH or the second slot offset of the PUSCH .
- the value of a slot offset corresponding to the first cross-slot scheduling state is the first cross-slot scheduling state.
- the value of the time slot scheduling state; if the high-level signaling does not configure the value of the first cross-slot scheduling state, the value of a time slot offset corresponding to the first cross-slot scheduling state is a constant Numerical value.
- the values of the first slot offset of the PDSCH and the second slot offset of the PUSCH are different.
- the device further includes:
- the sending unit 603 is configured to send a negative feedback message to the network device when it is determined that the time-domain scheduling information of the first PDSCH does not match the second cross-slot scheduling state where the terminal is currently located, and the first The PDSCH refers to the PDSCH scheduled by the PDCCH received by the terminal in the first time slot.
- the device further includes:
- the determining unit 604 is configured to determine the first time slot offset corresponding to the time domain scheduling information of the first PDSCH less than the time slot offset corresponding to the second cross-slot scheduling state where the terminal is currently located The time-domain scheduling information of a PDSCH does not match the second cross-slot scheduling state currently in which the terminal is located.
- the device further includes:
- the sending unit 603 is configured to not transmit the first PUSCH to the network device when it is determined that the time-domain scheduling information of the first PUSCH does not match the second cross-slot scheduling state where the terminal is currently located.
- the first PUSCH refers to a PUSCH scheduled by the PDCCH received by the terminal in the first time slot.
- the device further includes:
- the determining unit 604 is configured to determine the first PUSCH if the time slot offset corresponding to the time domain scheduling information of the first PUSCH is less than the time slot offset corresponding to the second cross-slot scheduling state where the terminal is currently located The time-domain scheduling information of a PUSCH does not match the second cross-slot scheduling state where the terminal is currently located.
- the terminal is in a default cross-slot scheduling state before receiving the first indication information, and the time slot offset corresponding to the default cross-slot scheduling state takes a value of 0 or positive. Integer.
- the receiving unit 601 is configured to receive a dedicated control channel sent by the network device, where the dedicated control channel carries second indication information, and the second indication information is used to indicate the default time span Slot scheduling status;
- the control unit 602 is configured to enter the default cross-slot scheduling state at the beginning of the DRX ON state, and enter the default cross-slot scheduling state at the end of the DRX ON state according to the second indication information.
- the first communication state is the first MIMO transmission layer number state of the data channel
- the control unit 602 is configured to compare the first MIMO transmission layer number status with the second MIMO transmission layer number status currently in which the terminal is located; if the first MIMO transmission layer number status is If the two MIMO transmission layer number states are different, it enters the first MIMO transmission layer number state in the second time slot.
- the first indication information includes N bits, where N is a positive integer, and different values of the N bits are used to indicate different states of the first MIMO transmission layer number, and the first The correspondence between the status of the number of MIMO transmission layers and the value of the N bits is configured by high-level signaling.
- the device further includes:
- the sending unit 603 is configured to send a negative feedback message to the network device when it is determined that the number of MIMO transmission layers of the first data part is greater than the number of transmission layers limited by the second MIMO transmission layer number status of the terminal currently located
- the first data part refers to the data part indicated by the PDCCH received by the terminal in the first time slot.
- the number of transmission layers restricted by the second MIMO transmission layer number status of the terminal currently is the maximum number of transmission layers of the PDSCH expected to be received by the terminal; or,
- the number of transmission layers restricted by the second MIMO transmission layer number status of the terminal currently located is the maximum number of transmission layers of PUSCH that the terminal can transmit.
- FIG. 7 is a second structural composition diagram of the device for controlling the communication state provided by an embodiment of the application.
- the device for controlling the communication state is applied to a network device. As shown in FIG. 7, the device for controlling the communication state includes:
- the sending unit 701 is configured to send a PDCCH to a terminal, where the PDCCH carries first indication information, the first indication information is used to indicate a first communication state; the first indication information is used for the terminal in the first time slot After receiving the first indication information, access the first communication state in a second time slot, which is located after the first time slot.
- the first communication state is a first cross-slot scheduling state.
- the value of x is the maximum value of a and S C, a is a constant, S C is the cross-slot of the second scheduling state corresponding to the terminal is currently located Gap offset.
- the first indication information includes N bits, where N is a positive integer, and different values of the N bits are used to indicate different first cross-slot scheduling states, and the first The correspondence between the cross-slot scheduling state and the value of the N bits is configured by high-level signaling.
- each of the first cross-slot scheduling states corresponds to a set of slot offsets
- the set of slot offsets includes the first slot offset of PDSCH and the second slot offset of PUSCH. shift.
- each of the first cross-slot scheduling states corresponds to a slot offset
- the one slot offset is the first slot offset of the PDSCH or the second slot offset of the PUSCH .
- the values of the first slot offset of the PDSCH and the second slot offset of the PUSCH are different.
- the first communication state is the first MIMO transmission layer number state of the data channel.
- the first indication information includes N bits, where N is a positive integer, and different values of the N bits are used to indicate different states of the first MIMO transmission layer number, and the first The correspondence between the status of the number of MIMO transmission layers and the value of the N bits is configured by high-level signaling.
- the PDCCH also carries at least one of the following: frequency domain scheduling information of the data channel, time domain scheduling information of the data channel, MCS indication information, power control information, CSI trigger information, and BWP switching indication information.
- FIG. 8 is a schematic structural diagram of a communication device 800 provided by an embodiment of the present application.
- the communication device may be a terminal or a network device.
- the communication device 800 shown in FIG. 8 includes a processor 810.
- the processor 810 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
- the communication device 800 may further include a memory 820.
- the processor 810 can call and run a computer program from the memory 820 to implement the method in the embodiment 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, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
- the transceiver 830 may include a transmitter and a receiver.
- the transceiver 830 may further include an antenna, and the number of antennas may be one or more.
- the communication device 800 may specifically be a network device in an embodiment of the present application, and the communication device 800 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. For brevity, details are not repeated here. .
- the communication device 800 may specifically be a mobile terminal/terminal according to an embodiment of the application, and the communication device 800 may implement the corresponding processes implemented by the mobile terminal/terminal in each method of the embodiments of the application. For the sake of brevity, This will not be repeated here.
- FIG. 9 is a schematic structural diagram of a chip of an embodiment of the present application.
- the chip 900 shown in FIG. 9 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
- the chip 900 may further include a memory 920.
- the processor 910 may call and run a computer program from the memory 920 to implement the method in the embodiment 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 chip 900 may further include an input interface 930.
- the processor 910 can control the input interface 930 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
- the chip 900 may further include an output interface 940.
- the processor 910 can control the output interface 940 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
- the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application.
- the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application.
- the chip can be applied to the mobile terminal/terminal in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
- the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
- it will not be omitted here. Repeat.
- the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
- 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 1010 and a network device 1020.
- the terminal 1010 may be used to implement the corresponding functions implemented by the terminal in the foregoing method
- the network device 1020 may be used to implement the corresponding functions implemented by the network device in the foregoing method.
- the terminal 1010 may be used to implement the corresponding functions implemented by the terminal in the foregoing method
- the network device 1020 may be used to implement the corresponding functions implemented by the network device in the foregoing method.
- the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
- the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
- the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
- DSP Digital Signal Processor
- ASIC application specific integrated circuit
- FPGA ready-made programmable gate array
- the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
- the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
- the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
- 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 the 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 can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
- RAM random access memory
- SRAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM DDR SDRAM
- ESDRAM enhanced synchronous dynamic random access memory
- Synchlink DRAM SLDRAM
- DR RAM Direct Rambus RAM
- the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), 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), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
- the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
- the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer-readable storage medium may be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application, for It's concise, so I won't repeat it here.
- the embodiments of the present application also provide a computer program product, including computer program instructions.
- the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer program product can be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding procedures implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application, for the sake of brevity , I won’t repeat it here.
- the embodiment of the present application also provides a computer program.
- the computer program can be applied to the network device in the embodiment of the present application.
- the computer program runs on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- I won’t repeat it here.
- the computer program can be applied to the mobile terminal/terminal in the embodiments of the present application.
- the computer program runs on the computer, the computer can execute the corresponding methods implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application. For the sake of brevity, the process will not be repeated here.
- the disclosed system, device, and method may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, 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 the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
- the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application.
- the aforementioned storage media include: 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 code .
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Abstract
Description
Claims (78)
- 一种控制通信状态的方法,所述方法包括:终端在第一时隙接收网络设备发送的物理下行控制信道PDCCH,所述PDCCH携带第一指示信息,所述第一指示信息用于指示第一通信状态;所述终端根据所述第一指示信息,在第二时隙进入所述第一通信状态,所述第二时隙位于所述第一时隙之后。
- 根据权利要求1所述的方法,其中,所述第一通信状态为第一跨时隙调度状态;所述终端根据所述第一指示信息,在第二时隙进入所述第一通信状态,包括:所述终端将所述第一跨时隙调度状态与所述终端当前所处的第二跨时隙调度状态进行比较;若所述第一跨时隙调度状态与所述第二跨时隙调度状态不同,则所述终端在第二时隙进入所述第一跨时隙调度状态。
- 根据权利要求2所述的方法,其中,所述第二时隙与所述第一时隙之间具有x个时隙的偏移,x为正整数。
- 根据权利要求3所述的方法,其中,所述x的取值为a和S C中的最大值,所述a为常数,所述S C为所述终端当前所处的第二跨时隙调度状态对应的时隙偏移。
- 根据权利要求2至4中任一项所述的方法,其中,所述第一指示信息包括N个比特位,N为正整数,所述N个比特位的不同取值用于表示不同的第一跨时隙调度状态,所述第一跨时隙调度状态与所述N个比特位的取值之间的对应关系由高层信令配置。
- 根据权利要求5所述的方法,其中,所述N个比特位的取值由高层信令配置的PUSCH的跨时隙调度状态数和PDSCH的跨时隙调度状态数确定。
- 根据权利要求6所述的方法,其中,若高层信令未配置所述PUSCH的跨时隙调度状态数和所述PDSCH的跨时隙调度状态数,则所述N比特位的取值为0;若高层信令配置所述PUSCH的跨时隙调度状态数或所述PDSCH的跨时隙调度状态数,则所述N比特位的取值为1。
- 根据权利要求5至7中任一项所述的方法,其中,每个所述第一跨时隙调度状态对应一组时隙偏移,所述一组时隙偏移包括物理下行共享信道PDSCH的第一时隙偏移和物理上行共享信道PUSCH的第二时隙偏移。
- 根据权利要求5至7中任一项所述的方法,其中,每个所述第一跨时隙调度状态对应一个时隙偏移,所述一个时隙偏移为PDSCH的第一时隙偏移或者为PUSCH的第二时隙偏移。
- 根据权利要求9所述的方法,其中,若高层信令配置所述第一跨时隙调度状态的取值,则所述第一跨时隙调度状态对应的一个时隙偏移的取值为所述第一跨时隙调度状态的取值;若高层信令未配置所述第一跨时隙调度状态的取值,则所述第一跨时隙调度状态对应的一个时隙偏移的取值为一常数值。
- 根据权利要求8或9所述的方法,其中,所述PDSCH的第一时隙偏移和所述PUSCH的第二时隙偏移的取值不同。
- 根据权利要求2至11中任一项所述的方法,其中,所述方法还包括:所述终端确定第一PDSCH的时域调度信息和所述终端当前所处的第二跨时隙调度状态不符的情况下,所述终端向所述网络设备发送负反馈消息,所述第一PDSCH是指所述终端在所述第一时隙接收到的所述PDCCH调度的PDSCH。
- 根据权利要求12所述的方法,其中,所述方法还包括:若所述第一PDSCH的时域调度信息对应的时隙偏移小于所述终端当前所处的第二跨时隙调度状态对应的时隙偏移,则所述终端确定所述第一PDSCH的时域调度信息和所述终端当前所处的第二跨时隙调度状态不符。
- 根据权利要求2至11中任一项所述的方法,其中,所述方法还包括:所述终端确定第一PUSCH的时域调度信息和所述终端当前所处的第二跨时隙调度状态不符的情况下,所述终端不传输所述第一PUSCH给所述网络设备,所述第一PUSCH是指所述终端在所述第一时隙接收到的所述PDCCH调度的PUSCH。
- 根据权利要求14所述的方法,其中,所述方法还包括:若所述第一PUSCH的时域调度信息对应的时隙偏移小于所述终端当前所处的第二跨时隙调度状态对应的时隙偏移,则所述终端确定所述第一PUSCH的时域调度信息和所述终端当前所处的第二跨时隙调度状态不符。
- 根据权利要求2至15中任一项所述的方法,其中,所述方法还包括:所述终端在未收到所述第一指示信息之前,处于默认跨时隙调度状态,所述默认跨时隙调度状态对应的时隙偏移的取值为0或正整数。
- 根据权利要求16所述的方法,其中,所述方法还包括:所述终端接收所述网络设备发送的专用控制信道,所述专用控制信道携带第二指示信息,所述第二指示信息用于指示所述默认跨时隙调度状态;所述终端根据所述第二指示信息,在DRX ON状态起始时刻进入所述默认跨时隙调度状态,以及在DRX ON结束时刻进入所述默认跨时隙调度状态。
- 根据权利要求1所述的方法,其中,所述第一通信状态为数据信道的第一多入多出MIMO传输层数状态;所述终端根据所述第一指示信息,在第二时隙进入所述第一通信状态,包括:所述终端将所述第一MIMO传输层数状态与所述终端当前所处的第二MIMO传输层数状态进行比较;若所述第一MIMO传输层数状态与所述第二MIMO传输层数状态不同,则所述终端在第二时隙进入所述第一MIMO传输层数状态。
- 根据权利要求18所述的方法,其中,所述第二时隙与所述第一时隙之间具有x个时隙的偏移,x为正整数。
- 根据权利要求18或19所述的方法,其中,所述第一指示信息包括N个比特位,N为正整数,所述N个比特位的不同取值用于表示不同的第一MIMO传输层数状态,所述第一MIMO传输层数状态与所述N个比特位的取值之间的对应关系由高层信令配置。
- 根据权利要求18至20中任一项所述的方法,其中,所述方法还包括:所述终端确定第一数据部分的MIMO传输层数大于所述终端当前所处的第二MIMO传输层数状态限制的传输层数的情况下,所述终端向所述网络设备发送负反馈消息,所述第一数据部分是指所述终端在所述第一时隙接收到的所述PDCCH指示的数据部分。
- 根据权利要求21所述的方法,其中,所述终端当前所处的第二MIMO传输层数状态限制的传输层数为所述终端预期接收的PDSCH的最大传输层数;或者,所述终端当前所处的第二MIMO传输层数状态限制的传输层数为所述终端能传输的PUSCH的最大传输层数。
- 一种控制通信状态的方法,所述方法包括:网络设备向终端发送PDCCH,所述PDCCH携带第一指示信息,所述第一指示信息用于指示第一通信状态;所述第一指示信息用于所述终端在第一时隙接收到所述第一指示信息后,在第二时隙接入所述第一通信状态,所述第二时隙位于所述第一时隙之后。
- 根据权利要求23所述的方法,其中,所述第一通信状态为第一跨时隙调度状态。
- 根据权利要求24所述的方法,其中,所述第二时隙与所述第一时隙之间具有x个时隙的偏移,x为正整数。
- 根据权利要求25所述的方法,其中,所述x的取值为a和S C中的最大值,所述a为常数,所述S C为所述终端当前所处的第二跨时隙调度状态对应的时隙偏移。
- 根据权利要求24至26中任一项所述的方法,其中,所述第一指示信息包括N个比特位,N为正整数,所述N个比特位的不同取值用于表示不同的第一跨时隙调度状态,所述第一跨时隙调度状态与所述N个比特位的取值之间的对应关系由高层信令配置。
- 根据权利要求27所述的方法,其中,每个所述第一跨时隙调度状态对应一组时隙偏移,所述一组时隙偏移包括PDSCH的第一时隙偏移和PUSCH的第二时隙偏移。
- 根据权利要求27所述的方法,其中,每个所述第一跨时隙调度状态对应一个时隙偏移,所述一个时隙偏移为PDSCH的第一时隙偏移或者为PUSCH的第二时隙偏移。
- 根据权利要求28或29所述的方法,其中,所述PDSCH的第一时隙偏移和所述PUSCH的第二时隙偏移的取值不同。
- 根据权利要求23所述的方法,其中,所述第一通信状态为数据信道的第一MIMO传输层数状态。
- 根据权利要求31所述的方法,其中,所述第二时隙与所述第一时隙之间具有x个时隙的偏移,x为正整数。
- 根据权利要求31或32所述的方法,其中,所述第一指示信息包括N个比特位,N为正整数,所述N个比特位的不同取值用于表示不同的第一MIMO传输层数状态,所述第一MIMO传输层数状态与所述N个比特位的取值之间的对应关系由高层信令配置。
- 根据权利要求23至33中任一项所述的方法,所述PDCCH还携带以下至少之一:数据信道的频域调度信息、数据信道的时域调度信息、调制编码策略MCS指示信息、功控信息、信道状态信息CSI触发信息、带宽部分BWP切换指示信息。
- 一种控制通信状态的装置,应用于终端,所述装置包括:接收单元,用于在第一时隙接收网络设备发送的PDCCH,所述PDCCH携带第一指示信息,所述第一指示信息用于指示第一通信状态;控制单元,用于根据所述第一指示信息,在第二时隙进入所述第一通信状态,所述第二时隙位于所述第一时隙之后。
- 根据权利要求35所述的装置,其中,所述第一通信状态为第一跨时隙调度状态;所述控制单元,用于:将所述第一跨时隙调度状态与所述终端当前所处的第二跨 时隙调度状态进行比较;若所述第一跨时隙调度状态与所述第二跨时隙调度状态不同,则在第二时隙进入所述第一跨时隙调度状态。
- 根据权利要求36所述的装置,其中,所述第二时隙与所述第一时隙之间具有x个时隙的偏移,x为正整数。
- 根据权利要求37所述的装置,其中,所述x的取值为a和S C中的最大值,所述a为常数,所述S C为所述终端当前所处的第二跨时隙调度状态对应的时隙偏移。
- 根据权利要求36至38中任一项所述的装置,其中,所述第一指示信息包括N个比特位,N为正整数,所述N个比特位的不同取值用于表示不同的第一跨时隙调度状态,所述第一跨时隙调度状态与所述N个比特位的取值之间的对应关系由高层信令配置。
- 根据权利要求39所述的装置,其中,所述N个比特位的取值由高层信令配置的PUSCH的跨时隙调度状态数和PDSCH的跨时隙调度状态数确定。
- 根据权利要求40所述的装置,其中,若高层信令未配置所述PUSCH的跨时隙调度状态数和所述PDSCH的跨时隙调度状态数,则所述N比特位的取值为0;若高层信令配置所述PUSCH的跨时隙调度状态数或所述PDSCH的跨时隙调度状态数,则所述N比特位的取值为1。
- 根据权利要求39至41中任一项所述的装置,其中,每个所述第一跨时隙调度状态对应一组时隙偏移,所述一组时隙偏移包括PDSCH的第一时隙偏移和PUSCH的第二时隙偏移。
- 根据权利要求39至41中任一项所述的装置,其中,每个所述第一跨时隙调度状态对应一个时隙偏移,所述一个时隙偏移为PDSCH的第一时隙偏移或者为PUSCH的第二时隙偏移。
- 根据权利要求43所述的装置,其中,若高层信令配置所述第一跨时隙调度状态的取值,则所述第一跨时隙调度状态对应的一个时隙偏移的取值为所述第一跨时隙调度状态的取值;若高层信令未配置所述第一跨时隙调度状态的取值,则所述第一跨时隙调度状态对应的一个时隙偏移的取值为一常数值。
- 根据权利要求42或43所述的装置,其中,所述PDSCH的第一时隙偏移和所述PUSCH的第二时隙偏移的取值不同。
- 根据权利要求36至45中任一项所述的装置,其中,所述装置还包括:发送单元,用于在确定第一PDSCH的时域调度信息和所述终端当前所处的第二跨时隙调度状态不符的情况下,向所述网络设备发送负反馈消息,所述第一PDSCH是指所述终端在所述第一时隙接收到的所述PDCCH调度的PDSCH。
- 根据权利要求46所述的装置,其中,所述装置还包括:确定单元,用于若所述第一PDSCH的时域调度信息对应的时隙偏移小于所述终端当前所处的第二跨时隙调度状态对应的时隙偏移,则确定所述第一PDSCH的时域调度信息和所述终端当前所处的第二跨时隙调度状态不符。
- 根据权利要求36至45中任一项所述的装置,其中,所述装置还包括:发送单元,用于在确定第一PUSCH的时域调度信息和所述终端当前所处的第二跨时隙调度状态不符的情况下,不传输所述第一PUSCH给所述网络设备,所述第一PUSCH是指所述终端在所述第一时隙接收到的所述PDCCH调度的PUSCH。
- 根据权利要求48所述的装置,其中,所述装置还包括:确定单元,用于若所述第一PUSCH的时域调度信息对应的时隙偏移小于所述终 端当前所处的第二跨时隙调度状态对应的时隙偏移,则确定所述第一PUSCH的时域调度信息和所述终端当前所处的第二跨时隙调度状态不符。
- 根据权利要求36至49中任一项所述的装置,其中,所述终端在未收到所述第一指示信息之前,处于默认跨时隙调度状态,所述默认跨时隙调度状态对应的时隙偏移的取值为0或正整数。
- 根据权利要求50所述的装置,其中,所述接收单元,用于接收所述网络设备发送的专用控制信道,所述专用控制信道携带第二指示信息,所述第二指示信息用于指示所述默认跨时隙调度状态;所述控制单元,用于根据所述第二指示信息,在DRX ON状态起始时刻进入所述默认跨时隙调度状态,以及在DRX ON结束时刻进入所述默认跨时隙调度状态。
- 根据权利要求35所述的装置,其中,所述第一通信状态为数据信道的第一MIMO传输层数状态;所述控制单元,用于将所述第一MIMO传输层数状态与所述终端当前所处的第二MIMO传输层数状态进行比较;若所述第一MIMO传输层数状态与所述第二MIMO传输层数状态不同,则在第二时隙进入所述第一MIMO传输层数状态。
- 根据权利要求52所述的装置,其中,所述第二时隙与所述第一时隙之间具有x个时隙的偏移,x为正整数。
- 根据权利要求52或53所述的装置,其中,所述第一指示信息包括N个比特位,N为正整数,所述N个比特位的不同取值用于表示不同的第一MIMO传输层数状态,所述第一MIMO传输层数状态与所述N个比特位的取值之间的对应关系由高层信令配置。
- 根据权利要求52至54中任一项所述的装置,其中,所述装置还包括:发送单元,用于在确定第一数据部分的MIMO传输层数大于所述终端当前所处的第二MIMO传输层数状态限制的传输层数的情况下,向所述网络设备发送负反馈消息,所述第一数据部分是指所述终端在所述第一时隙接收到的所述PDCCH指示的数据部分。
- 根据权利要求55所述的装置,其中,所述终端当前所处的第二MIMO传输层数状态限制的传输层数为所述终端预期接收的PDSCH的最大传输层数;或者,所述终端当前所处的第二MIMO传输层数状态限制的传输层数为所述终端能传输的PUSCH的最大传输层数。
- 一种控制通信状态的装置,应用于网络设备,所述装置包括:发送单元,用于向终端发送PDCCH,所述PDCCH携带第一指示信息,所述第一指示信息用于指示第一通信状态;所述第一指示信息用于所述终端在第一时隙接收到所述第一指示信息后,在第二时隙接入所述第一通信状态,所述第二时隙位于所述第一时隙之后。
- 根据权利要求57所述的装置,其中,所述第一通信状态为第一跨时隙调度状态。
- 根据权利要求58所述的装置,其中,所述第二时隙与所述第一时隙之间具有x个时隙的偏移,x为正整数。
- 根据权利要求59所述的装置,其中,所述x的取值为a和S C中的最大值,所述a为常数,所述S C为所述终端当前所处的第二跨时隙调度状态对应的时隙偏移。
- 根据权利要求58至60中任一项所述的装置,其中,所述第一指示信息包括N个比特位,N为正整数,所述N个比特位的不同取值用于表示不同的第一跨时隙 调度状态,所述第一跨时隙调度状态与所述N个比特位的取值之间的对应关系由高层信令配置。
- 根据权利要求61所述的装置,其中,每个所述第一跨时隙调度状态对应一组时隙偏移,所述一组时隙偏移包括PDSCH的第一时隙偏移和PUSCH的第二时隙偏移。
- 根据权利要求61所述的装置,其中,每个所述第一跨时隙调度状态对应一个时隙偏移,所述一个时隙偏移为PDSCH的第一时隙偏移或者为PUSCH的第二时隙偏移。
- 根据权利要求62或63所述的装置,其中,所述PDSCH的第一时隙偏移和所述PUSCH的第二时隙偏移的取值不同。
- 根据权利要求57所述的装置,其中,所述第一通信状态为数据信道的第一MIMO传输层数状态。
- 根据权利要求65所述的装置,其中,所述第二时隙与所述第一时隙之间具有x个时隙的偏移,x为正整数。
- 根据权利要求65或66所述的装置,其中,所述第一指示信息包括N个比特位,N为正整数,所述N个比特位的不同取值用于表示不同的第一MIMO传输层数状态,所述第一MIMO传输层数状态与所述N个比特位的取值之间的对应关系由高层信令配置。
- 根据权利要求57至67中任一项所述的装置,其中,所述PDCCH还携带以下至少之一:数据信道的频域调度信息、数据信道的时域调度信息、MCS指示信息、功控信息、CSI触发信息、BWP切换指示信息。
- 一种终端,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至22中任一项所述的方法。
- 一种网络设备,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求23至34中任一项所述的方法。
- 一种芯片,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至22中任一项所述的方法。
- 一种芯片,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求23至34中任一项所述的方法。
- 一种计算机可读存储介质,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至22中任一项所述的方法。
- 一种计算机可读存储介质,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求23至34中任一项所述的方法。
- 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至22中任一项所述的方法。
- 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求23至34中任一项所述的方法。
- 一种计算机程序,所述计算机程序使得计算机执行如权利要求1至22中任一项所述的方法。
- 一种计算机程序,所述计算机程序使得计算机执行如权利要求23至34中任一项所述的方法。
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CN109644442B (zh) * | 2016-08-31 | 2023-10-24 | 瑞典爱立信有限公司 | 用户设备及其控制信道监视方法、网络节点及其控制信道配置和传输方法 |
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JP2022537130A (ja) | 2022-08-24 |
CN113068266A (zh) | 2021-07-02 |
EP3962179A4 (en) | 2022-06-22 |
BR112021025203A2 (pt) | 2022-02-01 |
US20220086879A1 (en) | 2022-03-17 |
WO2020252705A1 (zh) | 2020-12-24 |
EP3962179A1 (en) | 2022-03-02 |
KR20220024057A (ko) | 2022-03-03 |
CN112400345A (zh) | 2021-02-23 |
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