WO2023092564A1 - Procédé de communication sans fil, dispositif terminal et dispositif de réseau - Google Patents

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

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Publication number
WO2023092564A1
WO2023092564A1 PCT/CN2021/134046 CN2021134046W WO2023092564A1 WO 2023092564 A1 WO2023092564 A1 WO 2023092564A1 CN 2021134046 W CN2021134046 W CN 2021134046W WO 2023092564 A1 WO2023092564 A1 WO 2023092564A1
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WIPO (PCT)
Prior art keywords
sps
harq
pdsch
ack information
dci
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PCT/CN2021/134046
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English (en)
Chinese (zh)
Inventor
张轶
林亚男
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202180100935.5A priority Critical patent/CN117730606A/zh
Priority to PCT/CN2021/134046 priority patent/WO2023092564A1/fr
Publication of WO2023092564A1 publication Critical patent/WO2023092564A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the embodiments of the present application relate to the communication field, and more specifically, to a wireless communication method, a terminal device, and a network device.
  • Radio Access Network Radio Access Network, RAN #88e meeting, passed the title "eXtended Reality (XR) and Cloud Game (CG) evaluations for NR"
  • the research project of this project includes augmented reality (Augmented Reality, AR), virtual reality (Virtual Reality, VR), cloud game (Cloud Game, CG), etc.
  • One of the main services of XR/CG is the video stream service, which has the business requirements of "low latency, high reliability, and large data rate", and the service packets of the video stream service arrive "quasi-periodically" within a certain jitter range .
  • each video frame arrives quasi-periodically, because the frame size (frame size) is too large, it needs to be split into multiple transport blocks (Transport Block, TB) for transmission.
  • Transport Block Transport Block
  • Periodic services are more suitable for semi-persistent scheduling (Semi-Persistent Scheduling, SPS) scheduling, which can save physical downlink control channel (Physical Downlink Control Channel, PDCCH) resources, and can reduce the power consumption of terminal equipment monitoring PDCCH.
  • SPS Semi-persistent Scheduling
  • PDCCH Physical Downlink Control Channel
  • HARQ-ACK Hybrid Automatic Repeat request Acknowledgment
  • the embodiment of the present application provides a wireless communication method, a terminal device, and a network device, which can realize the location of the HARQ-ACK information corresponding to the DCI used to deactivate the SPS configuration by the terminal device and the network device in the corresponding HARQ-ACK codebook Consistent understanding helps to successfully demodulate HARQ-ACK information.
  • a wireless communication method includes:
  • the terminal device receives first downlink control information DCI, the first DCI is used to deactivate at least one semi-persistent scheduling SPS configuration, and the SPS period corresponding to one or more SPS configurations in the at least one SPS configuration includes At least one SPS physical downlink shared channel PDSCH;
  • the terminal device sends HARQ-ACK information corresponding to the first DCI
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook is the same as the position of the HARQ-ACK information corresponding to the first SPSPDSCH in the HARQ-ACK codebook, and the first SPSPDSCH An SPS PDSCH in a corresponding SPS cycle is configured for the first SPS, and the at least one SPS configuration includes the first SPS configuration.
  • a wireless communication method in a second aspect, includes:
  • the network device sends first downlink control information DCI to the terminal device, where the first DCI is used to deactivate at least one semi-persistent scheduling SPS configuration, and one SPS configuration or multiple SPS configurations in the at least one SPS configuration correspond to the SPS
  • the period includes at least one SPS physical downlink shared channel PDSCH;
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook is the same as the position of the HARQ-ACK information corresponding to the first SPSPDSCH in the HARQ-ACK codebook, and the first SPSPDSCH An SPS PDSCH in a corresponding SPS cycle is configured for the first SPS, and the at least one SPS configuration includes the first SPS configuration.
  • a terminal device configured to execute the method in the first aspect above.
  • the terminal device includes a functional module for executing the method in the first aspect above.
  • a network device configured to execute the method in the second aspect above.
  • the network device includes a functional module for executing the method in the second aspect above.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to invoke and run the computer program stored in the memory to execute the method in the first aspect above.
  • a sixth aspect provides a network device, including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect above.
  • an apparatus for implementing the method in any one of the first aspect to the second aspect above.
  • the device includes: a processor, configured to invoke and run a computer program from the memory, so that the device installed with the device executes the method in any one of the above first to second aspects.
  • a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in any one of the above-mentioned first aspect to the second aspect.
  • a computer program product including computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above first to second aspects.
  • a computer program which, when running on a computer, causes the computer to execute the method in any one of the above first to second aspects.
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook is related to the position of the at least one SPS configuration
  • the position of the HARQ-ACK information corresponding to the first SPSPDSCH in the SPS cycle corresponding to the first SPS configuration in the HARQ-ACK codebook is the same, so that the HARQ-ACK corresponding to the first DCI of the terminal device and the network device
  • the location of the information in the HARQ-ACK codebook is consistent, which is helpful for successful demodulation of the HARQ-ACK information.
  • FIG. 1 is a schematic diagram of a communication system architecture applied in an embodiment of the present application.
  • Fig. 2 is a schematic diagram of determining the feedback window according to K 1 set.
  • FIG. 3 is a schematic diagram of candidate PDSCH receiver opportunities in a slot.
  • Fig. 4 is a schematic flowchart of a method for wireless communication according to an embodiment of the present application.
  • Fig. 5 is a schematic diagram of a manner of determining HARQ-ACK information provided by an embodiment of the present application.
  • Fig. 6 is a schematic diagram of another method of determining HARQ-ACK information provided by the embodiment of the present application.
  • Fig. 7 is a schematic diagram of another method of determining HARQ-ACK information provided by the embodiment of the present application.
  • Fig. 8 is a schematic diagram of another method of determining HARQ-ACK information provided by the embodiment of the present application.
  • Fig. 9 is a schematic diagram of another method of determining HARQ-ACK information provided by the embodiment of the present application.
  • Fig. 10 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • Fig. 11 is a schematic block diagram of a network device provided according to an embodiment of the present application.
  • Fig. 12 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Fig. 13 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.
  • Fig. 14 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • the technical solution of the embodiment of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, code division multiple access (Code Division Multiple Access, CDMA) system, broadband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced long term evolution (LTE-A) system , New Radio (NR) system, evolution system of NR system, LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum) on unlicensed spectrum unlicensed spectrum (NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunications System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (Wireless Fidelity, WiFi), fifth-generation communication (5th-Generation, 5G) system or other communication systems, etc.
  • GSM Global System of Mobile
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and can also be applied to an independent (Standalone, SA ) meshing scene.
  • Carrier Aggregation, CA Carrier Aggregation
  • DC Dual Connectivity
  • SA independent meshing scene
  • the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, Wherein, the licensed spectrum can also be regarded as a non-shared spectrum.
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile device user terminal
  • terminal wireless communication device
  • wireless communication device user agent or user device
  • the terminal device can be a station (STATION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • a virtual reality (Virtual Reality, VR) terminal device an augmented reality (Augmented Reality, AR) terminal Equipment
  • wireless terminal equipment in industrial control wireless terminal equipment in self driving
  • wireless terminal equipment in remote medical wireless terminal equipment in smart grid
  • wireless terminal equipment in transportation safety wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
  • the network device may be a device for communicating with the mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , or a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network A network device or a base station (gNB) in a network device or a network device in a future evolved PLMN network or a network device in an NTN network.
  • AP Access Point
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • LTE Long Term Evolution
  • eNB evolved base station
  • gNB base station
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network equipment may be a satellite, balloon station.
  • the satellite can be a low earth orbit (low earth orbit, LEO) satellite, a medium earth orbit (medium earth orbit, MEO) satellite, a geosynchronous earth orbit (geosynchronous earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite. ) Satellite etc.
  • the network device may also be a base station installed on land, in water, or other locations.
  • the network device may provide services for a cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the transmission resources for example, frequency domain resources, or spectrum resources
  • the cell may be a network device (
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
  • the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
  • the communication system 100 may include a network device 110, and the network device 110 may be a device for communicating with a terminal device 120 (or called a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographical area, and can communicate with terminal devices located in the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This embodiment of the present application does not limit it.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
  • a device with a communication function in the network/system in the embodiment of the present application may be referred to as a communication device.
  • the communication equipment may include a network equipment 110 and a terminal equipment 120 with communication functions.
  • the network equipment 110 and the terminal equipment 120 may be the specific equipment described above, and will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities and other network entities, which are not limited in this embodiment of the present application.
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, configuration and is configuration etc.
  • predefinition can be realized by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
  • the implementation method is not limited.
  • pre-defined may refer to defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, which is not limited in the present application.
  • Type-1 HARQ-ACK feedback related to the present application.
  • Type-1 semi-static HARQ-ACK codebook (semi-static HARQ-ACK codebook) and Type-2 (Type-2) dynamic HARQ ACK codebook (dynamic HARQ-ACK codebook) ACK codebook).
  • Type-1 feedback codebook (abbreviated as Type-1 feedback codebook, or Type-1 codebook).
  • the Type-1 feedback codebook is based on the number of configured serving cells, the feedback timing (timing) set (a set of slot timing values K 1 ) from the Physical Downlink Shared Channel (PDSCH) to HARQ-ACK, and time domain resources Allocate a series of row indexes (a set of row indexes) R in the (Time Domain Resource Allocation, TDRA) table (table), use a semi-static method to determine the receiving opportunity of the candidate PDSCH, and then determine the corresponding ACK/NACK feedback information number of bits.
  • each row in TDRATable defines the slot offset (slot offset) K0 from PDCCH to PDSCH, the start symbol and length indicators (start and length indicators, SLIV), and the PDSCH mapping type (mapping type).
  • the Type-1 feedback codebook determines a feedback window according to the feedback timing set (a set of slot timing values K 1 ) from PDSCH to HARQ-ACK, as shown in Figure 2, the K 1 set (K 1 set) configuration is ⁇ 1,2,4 ⁇ , then in the Type-1 feedback codebook contained in slotn, the corresponding feedback window is ⁇ slot n-1, slot n-2, slot n-4 ⁇ .
  • the receiving opportunity of the candidate PDSCH that is, the number of ACK/NACK bits included in the Type-1 feedback codebook does not depend on the actually received
  • the number of PDSCHs is determined according to the receiving opportunities of the semi-statically configured PDSCH candidates (that is, the maximum number of PDSCHs that can be received).
  • the advantage of this method is that it can avoid the ambiguity between the terminal and the base station on the ACK/NACK feedback codebook size caused by the terminal not receiving part of the PDSCH, so that the base station cannot correctly receive the feedback information sent by the terminal.
  • the disadvantage of this method is that the feedback overhead is large, that is, all downlink resources that may transmit the PDSCH must have reserved feedback information bits. Since the terminal can only receive at most one PDSCH at the same time in one carrier, that is, the PDSCH in Figure 3 (the slot shown in Figure 3 is ⁇ slot n-1, slot n-2, slot n-4 ⁇ in Figure 2)
  • Candidate receivers 1 (occasions for candidate PDSCH receptions) and PDSCH candidate receivers 2 and 3 will not be transmitted at the same time. If the corresponding feedback information bits are reserved for PDSCH candidate receivers 1, 2, and 3 in the Type-1 feedback codebook, there must be feedback information redundancy, and the three PDSCH candidate receivers can share one feedback information bit .
  • the five candidate PDSCH receivers in Figure 3 all share one feedback information bit, that is, among the five PDSCH candidate receivers Any one of the received PDSCH, its corresponding ACK/NACK information is mapped to the same bit.
  • the purpose of SPS transmission is to reduce the PDCCH overhead.
  • the base station sends the activation DCI once to schedule multiple downlink transmissions that occur periodically.
  • the realization mechanism is: each serving cell (Per-Serving Cell) and each bandwidth part (Per-Bandwidth Part, per-BWP) is configured through radio resource control (Radio Resource Control, RRC) signaling, and its configuration information includes the The cycle of SPS configuration, HARQ process, etc., and then activate/deactivate the DCI scrambled by configuring and scheduling the wireless network temporary identity (Configured Scheduling Radio Network Temporary Identity, cs-RNTI), and activate the DCI occupied by the SPS PDSCH Time-frequency resources, Modulation and coding scheme (MCS) used, PDSCH to HARQ-ACK feedback timing, etc.
  • MCS Modulation and coding scheme
  • SPS deactivation SPS release
  • the terminal needs to feed back 1-bit HARQ-ACK information. It is worth noting that only one TB can be transmitted in the SPS PDSCH of each period.
  • SPS PDSCH can also be called SPS PDSCH resource, or SPS PDSCH time-frequency resource, which is not limited.
  • a BWP supports at most one active SPS configuration, and the minimum period is 10ms, which is mainly used to support IP-based voice calls (Voice over IP, VoIP) services.
  • the Industrial Internet/Ultra reliability and low latency communication Industrial interest of Things/Ultra reliability and low latency communication, IIoT/URLLC) project, in order to use the downlink (DL) SPS to support low-latency services, and the adaptation cycle is different
  • Multiple service features support one BWP to activate multiple SPS configurations at the same time, and the minimum SPS cycle supports 1 slot.
  • Rel-16 supports three methods: separate activation, separate deactivation, and joint deactivation.
  • Activation as one DCI can deactivate multiple SPS configurations at the same time.
  • the terminal needs to feed back 1-bit HARQ-ACK information.
  • its HARQ-ACK information is in Type-1HARQ-
  • the position in the ACK codebook is the same as that of the HARQ-ACK information received by the SPS PDSCH corresponding to the SPS configuration in the Type-1HARQ-ACK codebook.
  • its HARQ-ACK information is in the Type-1HARQ-ACK codebook
  • the position in is the same as the position in the Type-1 HARQ-ACK codebook of the HARQ-ACK information received by the SPS PDSCH corresponding to the SPS configuration with the smallest configuration index (index) in the deactivated SPS configurations (configurations).
  • multi-PDSCH/PUSCH with a single DCI multi-PDSCH/PUSCH with a single DCI transmission related to the present application will be described.
  • the work item "Extending current NR operation to 71GHz" supports a larger subcarrier spacing, increases the PDCCH blind detection period, and supports the feature of one DCI scheduling multiple PDSCH or PUSCH.
  • Each PDSCH/PUSCH in multiple PDSCH/PUSCH Used to carry different TB transfers.
  • some indication fields in DCI are shared by all PDSCHs (such as MCS, etc.), and some indication fields are for each PDSCH/PUSCH, such as Redundancy Version (Redundancy Version, RV), New Data Indicator (New Data Indicator, NDI) etc.
  • time-domain resource indication it is the function of multiplexing the multi-PUSCH in NR-U, that is, the TDRA table is extended, and each row can indicate the SLIV, mapping type, and slot offset of more than one PDSCH/PUSCH.
  • the HARQ-ACK corresponding to multiple PDSCHs is fed back on the same PUCCH, and the PDSCH-to-HARQ_feedback timing indicator field in the DCI is used to indicate the time slot from the last scheduled PDSCH to the HARQ-ACK information that carries them.
  • the slot offset of the time slot It is worth noting that the feature of one DCI scheduling multiple PDSCHs or PUSCHs is not applicable to SPS, that is, SPS PDSCH does not support the transmission of multiple PDSCHs carrying multiple TBs in each cycle.
  • the XR/CG business described in the background technology has a large frame size and/or quasi-periodic characteristics.
  • a data frame arrives, it needs to be split into multiple TBs for transmission.
  • the average size of each video frame can reach 62500bytes, transmitted with 30kHz SCS, 100MHz bandwidth, 16QAM modulation order, and 1/3 code rate (code rate)
  • code rate 1/3 code rate
  • nearly 10 time slots (slots) are needed to complete the transmission of a video frame, that is, the video frame can be split into 10 TB for transmission.
  • Periodic services are more suitable for scheduling by SPS, which can save PDCCH resources and reduce the power consumption of terminal equipment monitoring PDCCH.
  • the terminal device needs to feed back 1-bit HARQ-ACK information.
  • the PDSCH resources in the SPS period support the transmission of one TB
  • the position of the information in the Type-1 HARQ-ACK codebook is the same. Therefore, how to transmit the XR/CG service through the SPS, and how to determine the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation are problems to be solved urgently.
  • this application proposes a method and device for wireless communication.
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook The position of the HARQ-ACK information corresponding to the first SPSPDSCH in the SPS period corresponding to the first SPS configuration in the at least one SPS configuration is the same in the HARQ-ACK codebook, so that the terminal device and the network device have the same position in the HARQ-ACK codebook.
  • the location of the HARQ-ACK information corresponding to a DCI in the HARQ-ACK codebook is understood to be consistent, which is helpful for successful demodulation of the HARQ-ACK information.
  • the first SPS configuration is the only SPS configuration with the first DCI deactivated, or the SPS configuration with the lowest SPS configuration index among the multiple SPS configurations with the first DCI deactivated, which is not limited.
  • FIG. 4 is a schematic flowchart of a wireless communication method 400 according to an embodiment of the present application. As shown in FIG. 4, the method 400 may include at least part of the following content:
  • the network device sends a first DCI, where the first DCI is used to deactivate at least one SPS configuration, and the SPS period corresponding to one or more SPS configurations in the at least one SPS configuration includes at least one SPSPDSCH.
  • the terminal device receives the first DCI.
  • the first DCI may be called DCI of SPS deactivation indication, SPSPDSCHrelease, etc., which is not limited.
  • the SPS configuration may include the SPS period, the number of HARQ processes, the PUCCH identifier (ID), the time-frequency resource of the SPS PDSCH, etc., without limitation.
  • the terminal device sends HARQ-ACK information corresponding to the first DCI.
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook is the same as the position of the HARQ-ACK information corresponding to the first SPSPDSCH in the HARQ-ACK codebook
  • the first SPSPDSCH is the first An SPS PDSCH in the SPS period corresponding to the SPS configuration
  • the at least one SPS configuration includes the first SPS configuration.
  • the network device may receive HARQ-ACK information corresponding to the first DCI.
  • the terminal device may generate the aforementioned HARQ-ACK codebook, and send the HARQ-ACK codebook to the network device, where the HARQ-ACK codebook includes the HARQ-ACK information corresponding to the aforementioned first DCI.
  • the HARQ-ACK codebook may also include HARQ-ACK information corresponding to the SPSPDSCH in the SPS period.
  • the HARQ-ACK codebook may be a Type-1 HARQ-ACK codebook, which is not limited in this application.
  • At least one SPSPDSCH resource in the SPS period corresponding to the above SPS configuration can support the transmission of at least one TB, which can be realized within the SPS period Perform multi-TB (multi-TB) transmission.
  • the number of at least one SPSPDSCH in the SPS cycle may be N
  • the number of at least one TB supporting transmission may be M, where M and N are both positive integers. Therefore, the embodiment of the present application can efficiently transmit XR/CG services. For example, when a DCI only supports one activated SPS configuration, fewer SPS cycles are required, such as 1 or 2 SPS cycles to complete the transmission.
  • An XR/CG frame is beneficial to reduce the scheduling delay and increase the capacity of XR/CG services.
  • M may be less than or equal to N.
  • M may be less than or equal to N.
  • the configured maximum number of codewords is 1, at most one TB can be transmitted on one SPSPDSCH resource.
  • the embodiment of the present application can realize that when the first DCI is used to deactivate at least one SPS configuration, the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook is different from the position of the at least one SPS configuration.
  • the HARQ-ACK information corresponding to the first SPSPDSCH in the SPS cycle corresponding to the first SPS configuration has the same position in the HARQ-ACK codebook, so that the HARQ-ACK information corresponding to the first DCI of the terminal device and the network device is in the same position.
  • the location in the HARQ-ACK codebook is consistent, which is helpful for successful demodulation of HARQ-ACK information.
  • the lack of HARQ-ACK information corresponding to the first DCI is The position in the HARQ-ACK codebook is determined, then the terminal device and the network device will have inconsistent understanding of the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook, which may cause HARQ-ACK demodulation failure. .
  • the SPS configuration described in this embodiment of the present application may refer to one or more of at least one SPS configuration for which the first DCI is used for deactivation, which is not limited.
  • it may be the first SPS configuration, or the second SPS configuration, and so on.
  • the network device may also send configuration information, where the configuration information is used to configure the time-frequency resource of at least one SPSPDSCH in the SPS period corresponding to the SPS configuration.
  • the terminal device may receive the configuration information, and determine the time-frequency resource of at least one SPS PDSCH in the SPS period corresponding to the SPS configuration according to the configuration information.
  • one SPS period may include multiple time slots, and one SPSP DSCH in one SPS period may occupy at least part of symbols in one time slot. Further, at least one SPS PDSCH in one SPS period may occupy the same symbol or different symbols in the corresponding time slot, which is not limited in this application. For another example, at least one SPS PDSCH in one SPS period may occupy continuous time slots or discontinuous time slots, which is not limited in this application.
  • the network device may also send a second DCI, where the second DCI is used to activate the foregoing at least one SPS configuration.
  • the terminal device may receive the second DCI.
  • the terminal device may not send the HARQ-ACK information corresponding to the second DCI. In this way, based on the indication of the second DC, the terminal device can transmit the TB in the SPS period corresponding to the at least one SPS configuration, so as to realize the data transmission between the network device and the terminal device.
  • the network device may send the second DCI before step 410, which is not limited in this application. That is to say, after the second DCI activates at least one SPS configuration, the network device can send the first DCI to deactivate the at least one SPS configuration, and the terminal device sends the HARQ-ACK information corresponding to the first DCI to the network device .
  • the above-mentioned second DCI can also be used to indicate the time-frequency resource of the at least one SPS PDSCH time-frequency resources. That is to say, when the network device activates at least one SPS configuration through the second DCI, it can also indicate at least one SPS in the SPS period corresponding to one or more SPS configurations in the at least one SPS configuration through the second DCI PDSCH's video resources.
  • the first DCI can be a DCI (separate/single SPSPDSCH release DCI) that deactivates SPSPDSCH separately/separately, that is, a first DCI can deactivate an SPS configuration, and the SPS configuration corresponds to the SPS cycle Include at least one SPSPDSCH.
  • the first DCI can be a single DCI (multiple SPS PDSCH release by a single DCI format) for releasing multiple SPS configurations, that is, a single first DCI can simultaneously deactivate multiple SPS configurations, and the multiple The SPS period corresponding to one (or each) SPS configuration in the SPS configuration includes at least one SPSPDSCH.
  • the at least one SPS configuration may include the first SPS configuration but not other SPS configurations.
  • the at least one SPS configuration may include at least two SPS configurations, that is, the number of SPS configurations in the at least one SPS configuration may be more than two.
  • the at least two SPS configurations include the above-mentioned first SPS configuration and other SPS configurations.
  • the index of the first SPS configuration is the lowest (or smallest) among the indices corresponding to the at least two SPS configurations. That is to say, the first SPS configuration may be the SPS configuration corresponding to the lowest (or smallest) SPS configuration index among the at least two SPS configurations, which is not limited.
  • the index of the first SPS configuration may be the highest (or largest) among the indexes corresponding to the at least two SPS configurations, or the index corresponding to the at least two SPS configurations may be Other indexes are not limited.
  • the first SPSPDSCH may be the first SPSPDSCH in the SPS period corresponding to the first SPS configuration, or the last SPSPDSCH, or other SPSPDSCHs, which is not limited.
  • the foregoing first SPS PDSCH may be configured by a network device through signaling.
  • the network device can be configured through high-level signaling, or the physical layer downlink control signaling indicates that the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook is the same as the position of the HARQ-ACK information corresponding to the first SPS PDSCH in the HARQ-ACK codebook.
  • the positions in the HARQ-ACK codebook are the same, and the first SPS PDSCH is one (such as the first SPS PDSCH, or the last SPS PDSCH) SPS PDSCH.
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook can be defined by the protocol, and the position of the HARQ-ACK information corresponding to the first SPS PDSCH in the HARQ-ACK codebook The positions in are the same, and the first SPS PDSCH is one (such as the first SPS PDSCH, or the last SPS PDSCH) SPS PDSCH in the SPS period corresponding to the SPS configuration (such as the first SPS configuration) of the first DCI deactivation.
  • the protocol may define the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook, and one SPS configuration in at least one SPS configuration used for deactivation by the first DCI (for example, the first SPS).
  • the HARQ-ACK information corresponding to the first SPS PDSCH or the last SPS PDSCH in the SPS cycle corresponding to configuration has the same position in the HARQ-ACK codebook.
  • the first SPS PDSCH is the first valid PDSCH in the SPS period corresponding to the first SPS configuration, or the last valid PDSCH, wherein the valid PDSCH includes at least one of the following:
  • PDSCH that does not contain symbols configured as uplink by Time Division Duplexing (TDD) uplink and downlink configuration;
  • TDD Time Division Duplexing
  • PDSCH that does not contain symbols configured as flexible by TDD uplink and downlink configuration
  • PDSCH that does not contain symbols indicated as uplink by a slot format indicator (slotformat indicator, SFI);
  • PDSCH not required to be received by the terminal is not included.
  • the TDD uplink and downlink configuration includes at least one of tdd-UL-DL-ConfigurationCommon, tdd-UL-DL-ConfigurationDedicated and the like.
  • the PDSCH that the terminal does not require to receive may include at least one of the following:
  • the terminal does not require the received PDSCH;
  • the received PDSCH is not required.
  • the behavior of the network device may not be limited.
  • the network device may not send these PDSCHs.
  • "does not contain symbols configured as uplink by TDD uplink and downlink configuration” can also be described as: “contains symbols that do not overlap with symbols configured as uplink by TDD uplink and downlink configuration”; “does not contain symbols configured as uplink by TDD uplink and downlink configuration” Symbols configured as flexible in the uplink and downlink configuration" can also be described as "including symbols that do not overlap with symbols configured as flexible in the TDD uplink and downlink configuration"; “excluding symbols that are indicated as uplink by SFI” can also be described as "include symbols with Symbols indicated by SFI as upstream symbols do not overlap”; “do not contain symbols indicated as flexible by SFI” can also be described as “symbols that do not overlap with symbols indicated by SFI as flexible", this application does not do this limited.
  • Fig. 5 shows a specific example of the manner of determining the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation.
  • the network side (such as a network device) can configure/indicate the first SPS configuration for the terminal device through high-level signaling/physical layer downlink control information, and configure/indicate the SPS corresponding to the first SPS configuration.
  • one SPS period P may include 6 time slots (which may be respectively represented as time slot 1 to time slot 6), wherein each time slot in time slot 1 to time slot 4 may include one SPS PDSCH resource.
  • FIG. 5 only shows an example of an SPS cycle, and does not limit the solution of the embodiment of the present application.
  • the time-frequency resources occupied by the 4 SPS PDSCH resources in the SPS cycle P can be the same or different.
  • the 4 SPS PDSCH resources in the SPS cycle P can occupy continuous time slots or discontinuous time slots, which is not limited.
  • the network device may send a DCI (an example of the first DCI) of the SPS deactivation indication in the time slot 5 of the SPS cycle P, and the DCI may be used to release the first SPS configuration, and may be used in the DCI K1 indicates the corresponding symbol feedback in time slot 6 of the HARQ-ACK information corresponding to the DCI.
  • the network device can configure the terminal device to use the Type-1 HARQ-ACK codebook.
  • the position of the HARQ-ACK information corresponding to the DCI in the HARQ-ACK codebook may be the same as the SPS configured by the first SPS
  • the HARQ-ACK information corresponding to the first SPS PDSCH in the period P has the same position in the HARQ-ACK codebook, that is, the position of the HARQ-ACK information corresponding to the DCI in the HARQ-ACK codebook can be determined by the location of the DCI
  • the time-domain resource determination of the first SPS PDSCH corresponding position ie the dotted line shaded box in Figure 5 in the SPS cycle P of the first SPS configuration in the time slot (ie, slot 5).
  • the network side can configure K1set to include ⁇ 5,4,3,2,1 ⁇ , that is, the Type-1 HARQ-ACK codebook fed back in time slot 6 in Figure 5 needs to include time slot 1 to time slot The HARQ-ACK corresponding to the candidate PDSCH receiver on 5.
  • the TDRA table configured on the network side includes 4 SLIVs, which respectively correspond to the time domain positions (such as symbol positions) occupied by the 4 SPS PDSCHs in Figure 5 .
  • PDSCH candidate receiver opportunities 1 ⁇ 4 Assume that in a time slot, PDSCH candidate receiver opportunities 1 ⁇ 4, but since the symbols occupied by SPS PDSCH 1 ⁇ 3 overlap in the same time slot, the corresponding PDSCH candidate receiver opportunities 1 ⁇ 3 only need to reserve 1 One bit of HARQ-ACK information is sufficient, and candidate PDSCH receiver opportunity 4 may not overlap with candidate PDSCH receiver opportunity 1, so 1 bit of HARQ-ACK information also needs to be reserved. Therefore, in each time slot, 2 bits of HARQ-ACK information bits need to be reserved.
  • the HARQ-ACK information bits corresponding to time slot 1 are a1, a2, the HARQ-ACK information bits corresponding to time slot 2 are a3, a4, and the time slot 3
  • the corresponding HARQ-ACK information bits are a5, a6, the HARQ-ACK information bits corresponding to time slot 4 are a7, a8, and the HARQ-ACK information bits corresponding to time slot 5 are a9, a10.
  • the SPS PDSCH in time slot 1 to time slot 3 can correspond to the 1-bit HARQ-ACK information position reserved for PDSCH candidate receiver opportunities 1 to 3
  • the SPS PDSCH in time slot 4 can correspond to the PDSCH candidate
  • the position of the 1-bit HARQ-ACK information reserved by receiver 4, so the positions of the HARQ-ACK information corresponding to the SPS PDSCH in time slot 1 to time slot 4 in Figure 5 are a1, a3, a5, a8 respectively.
  • the position of the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation is a9, that is, the position of the HARQ-ACK corresponding to the PDSCH candidate receiver corresponding to the dotted box in slot 5.
  • FIG. 5 it may be configured by the network device through signaling, or defined by the protocol.
  • the position of the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation in the HARQ-ACK codebook is the same as the SPS configured by the first SPS.
  • the HARQ-ACK information corresponding to the first SPS PDSCH in the cycle has the same position in the HARQ-ACK codebook.
  • the DCI indicated by the SPS deactivation in FIG. 5 may be used to release the first SPS configuration.
  • the DCI indicated by the SPS deactivation in FIG. 5 may be used to release at least two SPS configurations, including the above-mentioned first SPS configuration, and the first SPS configuration may be an SPS configuration index in the at least two SPS configurations Minimum SPS configuration.
  • FIG. 6 shows another specific example of the manner of determining the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation.
  • the difference from FIG. 5 is that in the symbols of the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation in the slot 6, the position of the HARQ-ACK information corresponding to the DCI in the HARQ-ACK codebook can be the same as the position of the HARQ-ACK codebook
  • the position of the HARQ-ACK information corresponding to the last SPS PDSCH in the SPS period P of an SPS configuration is the same in the HARQ-ACK codebook, that is, the position of the HARQ-ACK information corresponding to the DCI in the HARQ-ACK codebook can be It is determined by the time domain resource corresponding to the last SPS PDSCH in the SPS cycle P configured by the first SPS (ie, the dashed shaded box in FIG. 6 ) in the time slot where the DCI is located (ie, slot 5
  • the SPS period corresponding to the first SPS configuration may include P groups of SPS PDSCHs, and each group of SPSPDSCHs may include at least one SPSPDSCH.
  • the first SPS PDSCH may be an SPS PDSCH in the X-th group of SPS PDSCHs in the P group of SPS PDSCHs, where X is less than or equal to P, and X and P are positive integers.
  • P may be smaller than the above N.
  • the first SPS PDSCH may be the first SPS PDCH in the Xth group of SPS PDSCHs, or the last SPS PDSCH, without limitation.
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook can be configured according to the HARQ corresponding to one SPS PDSCH in a certain group of SPS PDSCHs in the SPS period corresponding to the first SPS configuration. - Determination of the position of the ACK information in the HARQ-ACK codebook, which can more flexibly realize the determination of the position of the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation in the HARQ-ACK codebook.
  • the feedback mode of the HARQ-ACK information corresponding to at least one SPSPDSCH in one SPS cycle can be used, for example, whether the HARQ-ACK information corresponding to the SPSPDSCH can be fed back on the same PUCCH, and/or whether it belongs to the same bundling group (bundlinggroup ), as the grouping basis of SPSPDSCH.
  • bundlinggroup bundling group
  • the multiple SPSPDSCHs can be used as a group of SPSPDSCHs.
  • the HARQ-ACK information corresponding to the SPSPDSCH may be included in the above-mentioned HARQ-ACK codebook, which is not limited in this application.
  • the HARQ-ACK information corresponding to a group of SPS PDSCHs can be bundled into HARQ-ACKs of the same bundling group through "logic AND” and/or "logic OR" operations information bits.
  • the number of HARQ-ACK information bits in a bundling group may be 1, or 2, or more, which is not limited in this application.
  • the HARQ-ACK information corresponding to a group of SPS PDSCHs in the P group of SPS PDSCHs is transmitted on the same physical uplink control channel PUCCH, and/or, the HARQ-ACK information corresponding to a group of SPS PDSCHs in the P group of SPS PDSCHs Belong to the same bundling group.
  • the HARQ-ACK information corresponding to at least one SPS PDSCH in the SPS cycle corresponding to the first SPS configuration may include P groups of HARQ-ACK information, and each group of HARQ-ACK information includes at least one HARQ-ACK information.
  • the first SPS PDSCH may be the SPS PDSCH corresponding to the first HARQ-ACK information
  • the first HARQ-ACK information may be one of the Xth group of HARQ-ACK information in the P group of HARQ-ACK information, where X, P can refer to the description above.
  • the first HARQ-ACK information may be the first HARQ-ACK information in the Xth group of HARQ-ACK information, or the SPS PDSCH corresponding to the last HARQ-ACK information, which is not limited.
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook can be determined according to the position of the first HARQ-ACK information in the HARQ-ACK codebook, where the first HARQ-ACK information
  • the ACK information is one of a certain group of HARQ-ACK information obtained by grouping the HARQ-ACK information corresponding to at least one SPS PDSCH corresponding to the first SPS configuration, so that the DCI corresponding to the SPS deactivation indication can be realized more flexibly
  • a method for determining the position of the HARQ-ACK information in the HARQ-ACK codebook can be determined according to the position of the first HARQ-ACK information in the HARQ-ACK codebook, where the first HARQ-ACK information
  • the ACK information is one of a certain group of HARQ-ACK information obtained by grouping the HARQ-ACK information corresponding to at least one SPS PDSCH corresponding to the first SPS configuration, so that the DCI corresponding to
  • a group of HARQ-ACK information in the above P groups of HARQ-ACK information may be transmitted on the same PUCCH, and/or, a group of the HARQ-ACK information may belong to the same bundling group.
  • it can be based on the feedback method of the HARQ-ACK information corresponding to at least one SPSPDSCH in one SPS period, for example, whether the HARQ-ACK information corresponding to the SPSPDSCH can be fed back on the same PUCCH, and/or whether it belongs to the same bundle A group (bundling group) is used as a basis for grouping HARQ-ACK information.
  • the multiple HARQ-ACK information can be used as a group of HARQ-ACK information.
  • the HARQ-ACK information corresponding to the SPS PDSCH of the same group are sent on the same PUCCH, which can effectively reduce the time delay of HARQ-ACK feedback information.
  • X may be determined according to the time domain position of the first DCI.
  • the time domain position of the first DCI may also be referred to as a receiving position, which is not limited.
  • the position of the HARQ-ACK feedback information corresponding to the first DCI in the HARQ-ACK codebook is the same as the position of the deactivated SPS of the first DCI.
  • the HARQ-ACK information corresponding to one SPS PDSCH in the Mth group of SPS PDSCHs in the P group of SPS PDSCHs in the corresponding SPS cycle is configured in the same position in the HARQ-ACK codebook.
  • the position of the HARQ-ACK feedback information corresponding to the first DCI in the HARQ-ACK codebook is different from that of the first DCI.
  • the HARQ-ACK information corresponding to one SPS PDSCH in the M-th group of SPS PDSCHs in the P group of SPS PDSCHs in the SPS cycle corresponding to the activated SPS configuration has the same position in the HARQ-ACK codebook.
  • X may be determined according to the time domain position of the HARQ-ACK information corresponding to the first DCI.
  • the position of the HARQ-ACK feedback information corresponding to the first DCI in the HARQ-ACK codebook is the same as
  • the HARQ-ACK information corresponding to one SPS PDSCH in the Mth group of SPS PDSCHs in the P group of SPS PDSCHs in the SPS period corresponding to the SPS configuration of the first DCI deactivation is in the same position in the HARQ-ACK codebook.
  • the foregoing X may be configured by a network device through signaling, or defined by a protocol, and is not limited.
  • the network device may configure the first SPS PDSCH to be the first or the last SPS PDSCH of at least one SPS PDSCH in the Xth group of SPS PDSCHs through signaling.
  • the network device may be configured through high-layer signaling, or indicated by physical layer downlink control signaling, which is not limited.
  • the first SPS PDSCH may be defined by the protocol as the first of at least one SPS PDSCH in the Xth group of SPS PDSCHs, or the last SPS PDSCH.
  • the first SPS PDSCH can be the first effective PDSCH in the Xth group of SPS PDSCHs, or the last effective PDSCH.
  • the effective PDSCH can refer to the description above, and will not be repeated here.
  • Fig. 7 shows a specific example of the manner of determining the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation.
  • one SPS period P can include 12 time slots, and each time slot in the first 4 time slots (ie, slot 1 to time slot 4) can include an SPS PDSCH resource, that is, the first group (group 1) SPS PDSCH Resources, each of the 7th to 10th time slots (ie, slot 7 to time slot 10) may include one SPS PDSCH resource, that is, the second group (group 2) of SPS PDSCH resources.
  • the HARQ-ACK information (such as bits) corresponding to the SPS PDSCH of each group can be fed back on the same PUCCH, or a group of HARQ-ACK information belongs to the same bundling group.
  • FIG. 7 only shows an example of an SPS cycle, and does not limit the solution of the embodiment of the present application.
  • the time-frequency resources occupied by 8 SPS PDSCH resources in an SPS cycle P can be the same, or Different; for another example, the 8 SPS PDSCH resources in one SPS period P can occupy continuous time slots or discontinuous time slots, which is not limited.
  • the terminal device may determine the position of the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation in the HARQ-ACK codebook and the position of the first SPS configuration according to the receiving position of the DCI indicated by the SPS deactivation.
  • the HARQ-ACK information corresponding to which one of the SPS PDSCHs (such as the first or the last) SPS PDSCH in the SPS period of the SPS period is in the same position in the HARQ-ACK codebook.
  • the network device when the network device sends the DCI (an example of the first DCI) of the SPS deactivation indication in the time slot 5 of the SPS cycle P (that is, the time slot after the first group of SPS PDSCH), the The DCI may be used to release the first SPS configuration, and in the DCI, K1 indicates the corresponding symbol feedback in the time slot 6 of the HARQ-ACK information corresponding to the DCI.
  • the network device can configure the terminal device to use the Type-1 HARQ-ACK codebook.
  • the position of the HARQ-ACK information corresponding to the DCI in the HARQ-ACK codebook may be the same as the SPS configured by the first SPS
  • the HARQ-ACK information corresponding to the first SPS PDSCH in the first group of SPS PDSCHs in the period P has the same position in the HARQ-ACK codebook, that is, the HARQ-ACK information corresponding to the DCI is in the HARQ-ACK codebook.
  • the position can be determined by the corresponding position of the first SPS PDSCH in the first group of SPS PDSCHs in the SPS cycle P configured by the DCI in the time slot where the DCI is located (that is, the dotted line shaded box of time slot 5 in Figure 7) Time domain resource determination.
  • the DCI may be used to release the first SPS configuration, and in the DCI, K1 indicates the corresponding symbol feedback in the time slot 12 of the HARQ-ACK information corresponding to the DCI.
  • the network device can configure the terminal device to use the Type-1 HARQ-ACK codebook.
  • the position of the HARQ-ACK information corresponding to the DCI in the HARQ-ACK codebook may be the same as the SPS configured by the first SPS
  • the HARQ-ACK information corresponding to the last SPS PDSCH in the second group of SPS PDSCHs in the period P has the same position in the HARQ-ACK codebook, that is, the position of the HARQ-ACK information corresponding to DCI in the HARQ-ACK codebook , the time domain corresponding to the position of the last SPS PDSCH in the second group of SPS PDSCHs in the SPS cycle P configured by the first SPS in the time slot where the DCI is located (that is, the dotted line shaded box of time slot 11 in Figure 7) Resources are determined.
  • the network device may send the DCI of the SPS deactivation indication on one of time slot 5 and time slot 11 .
  • FIG. 7 it may also be configured by the network device through signaling, or defined by the protocol.
  • the position of the HARQ-ACK information corresponding to the DCI indicated by the SPS deactivation in the HARQ-ACK codebook is the same as that of the first SPS configuration.
  • the HARQ-ACK information corresponding to one of the Xth group (such as the first group or the second group) SPS PDSCH (such as the first or last) SPS PDSCH in the SPS cycle has the same position in the HARQ-ACK codebook .
  • the DCI indicated by the SPS deactivation in FIG. 7 may be used to release the first SPS configuration.
  • the DCI indicated by the SPS deactivation in FIG. 7 may be used to release at least two SPS configurations, including the above-mentioned first SPS configuration, and the first SPS configuration may be the SPS configuration index in the at least two SPS configurations Minimum SPS configuration.
  • the SPS configuration (for example, one or more of the above at least one SPS configuration, such as the first SPS configuration) corresponds to the time length of at least one SPS PDSCH reception included in the SPS cycle (time duration for the reception of SPS PDSCHs) is less than or equal to the length of time obtained from the SPS period configured by the SPS.
  • the terminal equipment does not expect at least one SPS PDSCH reception time length included in the SPS cycle corresponding to the SPS configuration to be greater than the time length obtained by the SPS cycle configured by the SPS (the UE is not expected to be configured with the time duration for the reception of pdsch-AggregationFactor repetitions, in sps-Config if configured, or across the pdsch-AggregationFactor in pdsch-config otherwise, larger than the time duration derived by the periodicity P obtained from the corresponding sps- Config.).
  • the time length of at least one SPS PDSCH reception in the SPS cycle corresponding to the SPS configuration is less than or equal to the time length obtained by the SPS cycle of the SPS configuration, it can avoid the resource conflict of the SPS PDSCH in different SPS cycles, and further avoid The HARQ processes corresponding to the SPS PDSCHs in different SPS periods conflict, which can help correct data transmission.
  • the time length for receiving at least one SPS PDSCH included in the SPS cycle corresponding to the SPS configuration is less than or equal to the time length obtained by the SPS cycle corresponding to the SPS configuration, that is, the terminal
  • the device does not expect at least one SPS PDSCH included in the SPS cycle corresponding to the SPS configuration to receive a technical solution whose time length is greater than the time length obtained from the SPS cycle corresponding to the SPS configuration, and does not depend on the HARQ-ACK information corresponding to the first DCI way of determining. That is to say, the two solutions may be implemented in combination, or may be implemented independently of each other, which is not limited in this application.
  • the network device when the network device configures/indicates the SPS PDSCH resource and the SPS period, it can meet the configuration/instruction that the terminal device does not expect, but the embodiment of the present application does not limit the behavior of the network device.
  • the terminal device may regard the configuration/indication of the network device as an error case (error case).
  • FIG. 8 shows an example of the reception time length of the SPS PDSCH within the SPS period expected by the terminal equipment.
  • the time slots, symbols, etc. occupied by the resources may be configured by the network side through high-layer signaling, or indicated by downlink control information.
  • the time length of receiving at least one SPS PDSCH included in each SPS cycle P is less than (or equal to) the time length obtained by the SPS cycle configured by the SPS, that is, the length indicated by the cycle parameter P.
  • FIG. 9 shows an example of the reception time length of the SPS PDSCH in the SPS cycle that the terminal equipment does not expect.
  • the SPS configuration corresponding to the network side configuration in FIG. 9 is the same as that in FIG. 8 .
  • the time length of at least one SPS PDSCH reception included in each SPS cycle P is greater than the time length obtained by the SPS cycle configured by the SPS, that is, the length indicated by the cycle parameter P.
  • Fig. 10 shows a schematic block diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 includes:
  • the communication unit 510 is configured to receive first downlink control information DCI, the first DCI is used to deactivate at least one semi-persistent scheduling SPS configuration, one SPS configuration or multiple SPS configurations in the at least one SPS configuration correspond to
  • the SPS period includes at least one SPS physical downlink shared channel PDSCH;
  • the communication unit 510 is further configured to send HARQ-ACK information corresponding to the first DCI,
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook is the same as the position of the HARQ-ACK information corresponding to the first SPSPDSCH in the HARQ-ACK codebook, and the first SPSPDSCH An SPS PDSCH in a corresponding SPS cycle is configured for the first SPS, and the at least one SPS configuration includes the first SPS configuration.
  • the terminal device 500 may further include a processing unit 520, configured to generate HARQ-ACK information corresponding to the foregoing first DCI.
  • the at least one SPS configuration includes at least two SPS configurations, wherein the index of the first SPS configuration is the lowest among the indices corresponding to the at least two SPS configurations.
  • the first SPS PDSCH is the first SPS PDSCH in the SPS period corresponding to the first SPS configuration, or the last SPS PDSCH.
  • the SPS period corresponding to the first SPS configuration includes a P group of SPS PDSCHs
  • the first SPS PDSCH is one of the Xth group of SPS PDSCHs in the P group of SPS PDSCHs
  • the P group A group of SPS PDSCHs in the SPS PDSCH includes at least one SPSPDSCH
  • X is less than or equal to P
  • X and P are positive integers.
  • the first SPS PDSCH is the first SPS PDSCH in the Xth group of SPS PDSCHs, or the last SPS PDSCH.
  • the HARQ-ACK information corresponding to a group of SPS PDSCHs in the P group of SPS PDSCHs is transmitted on the same physical uplink control channel PUCCH, and/or, the HARQ-ACK information corresponding to a group of SPS PDSCHs in the P group of SPS PDSCHs HARQ-ACK information belongs to the same bundling group.
  • the HARQ-ACK information corresponding to at least one SPS PDSCH in the SPS cycle corresponding to the first SPS configuration includes P groups of HARQ-ACK information
  • the first SPS PDSCH is the SPS corresponding to the first HARQ-ACK information.
  • the first HARQ-ACK information is one of the Xth group of HARQ-ACK information in the P group of HARQ-ACK information, where a group of HARQ-ACK information in the P group of HARQ-ACK information Including at least one piece of HARQ-ACK information, X is less than or equal to P, and X and P are positive integers.
  • the first HARQ-ACK information is the first HARQ-ACK information or the last HARQ-ACK information in the Xth group of HARQ-ACK information.
  • a group of HARQ-ACK information in the P groups of HARQ-ACK information is transmitted on the same PUCCH, and/or a group of HARQ-ACK information in the P groups of HARQ-ACK information belongs to the same bundling group .
  • the value of X is determined according to at least one of the following:
  • the first SPS PDSCH is the first valid PDSCH in the SPS period corresponding to the first SPS configuration, or the last valid PDSCH, wherein the valid PDSCH includes at least one of the following:
  • PDSCH that does not contain symbols configured as uplink by time division duplex TDD uplink and downlink configuration
  • PDSCH not required to be received by terminal equipment is not included.
  • the first SPS PDSCH is configured by a network device through signaling.
  • the protocol defines the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook and the HARQ-ACK information corresponding to the first SPS PDSCH in the HARQ-ACK codebook in the same position.
  • the time length of receiving at least one SPS PDSCH in the SPS cycle corresponding to the first SPS configuration is less than or equal to the time length obtained based on the SPS cycle corresponding to the first SPS configuration.
  • the communication unit 510 is further configured to receive a second DCI, where the second DCI is used to activate the at least one SPS configuration.
  • the second DCI is also used to indicate the time-frequency resource of the at least one SPS PDSCH.
  • the communication unit 510 is further configured to receive configuration information, where the configuration information is used to configure time-frequency resources of the at least one SPS PDSCH.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 500 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 500 are for realizing the method shown in FIG. 4 For the sake of brevity, the corresponding process of the terminal device in 400 will not be repeated here.
  • Fig. 11 shows a schematic block diagram of a network device 600 according to an embodiment of the present application.
  • the network device 600 includes:
  • the communication unit 610 is configured to send first downlink control information DCI to the terminal device, the first DCI is used to deactivate at least one semi-persistent scheduling SPS configuration, one SPS configuration or multiple SPS configurations in the at least one SPS configuration Configure the corresponding SPS period to include at least one SPS physical downlink shared channel PDSCH;
  • the communication unit 610 is further configured to receive HARQ-ACK information corresponding to the first DCI sent by the terminal device;
  • the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook is the same as the position of the HARQ-ACK information corresponding to the first SPSPDSCH in the HARQ-ACK codebook, and the first SPSPDSCH An SPS PDSCH in a corresponding SPS cycle is configured for the first SPS, and the at least one SPS configuration includes the first SPS configuration.
  • the network device 600 may further include a processing unit, configured to generate the first DCI, or to process HARQ-ACK information corresponding to the first DCI.
  • a processing unit configured to generate the first DCI, or to process HARQ-ACK information corresponding to the first DCI.
  • the at least one SPS configuration includes at least two SPS configurations, wherein the index of the first SPS configuration is the lowest among the indices corresponding to the at least two SPS configurations.
  • the first SPS PDSCH is the first SPS PDSCH in the SPS period corresponding to the first SPS configuration, or the last SPS PDSCH.
  • the SPS period corresponding to the first SPS configuration includes a P group of SPS PDSCHs
  • the first SPS PDSCH is one of the Xth group of SPS PDSCHs in the P group of SPS PDSCHs
  • the P group A group of SPS PDSCHs in the SPS PDSCH includes at least one SPSPDSCH
  • X is less than or equal to P
  • X and P are positive integers.
  • the first SPS PDSCH is the first SPS PDSCH in the Xth group of SPS PDSCHs, or the last SPS PDSCH.
  • the HARQ-ACK information corresponding to a group of SPS PDSCHs in the P group of SPS PDSCHs is transmitted on the same physical uplink control channel PUCCH, and/or, the HARQ-ACK information corresponding to a group of SPS PDSCHs in the P group of SPS PDSCHs HARQ-ACK information belongs to the same bundling group.
  • the HARQ-ACK information corresponding to at least one SPS PDSCH in the SPS cycle corresponding to the first SPS configuration includes P groups of HARQ-ACK information
  • the first SPS PDSCH is the SPS corresponding to the first HARQ-ACK information.
  • the first HARQ-ACK information is one of the Xth group of HARQ-ACK information in the P group of HARQ-ACK information, where a group of HARQ-ACK information in the P group of HARQ-ACK information Including at least one piece of HARQ-ACK information, X is less than or equal to P, and X and P are positive integers.
  • the first HARQ-ACK information is the first HARQ-ACK information or the last HARQ-ACK information in the Xth group of HARQ-ACK information.
  • a group of HARQ-ACK information in the P groups of HARQ-ACK information is transmitted on the same PUCCH, and/or a group of HARQ-ACK information in the P groups of HARQ-ACK information belongs to the same bundling group .
  • the value of X is determined according to at least one of the following:
  • the first SPS PDSCH is the first valid PDSCH in the SPS period corresponding to the first SPS configuration, or the last valid PDSCH, wherein the valid PDSCH includes at least one of the following:
  • PDSCH that does not contain symbols configured as uplink by time division duplex TDD uplink and downlink configuration
  • PDSCH not required to be received by terminal equipment is not included.
  • the network device configures the first SPS PDSCH through signaling.
  • the protocol defines the position of the HARQ-ACK information corresponding to the first DCI in the HARQ-ACK codebook and the HARQ-ACK information corresponding to the first SPS PDSCH in the HARQ-ACK codebook in the same position.
  • the time length of receiving at least one SPS PDSCH in the SPS cycle corresponding to the first SPS configuration is less than or equal to the time length obtained based on the SPS cycle corresponding to the first SPS configuration.
  • the communication unit 610 is further configured to send a second DCI to the terminal device, where the second DCI is used to activate the at least one SPS configuration.
  • the second DCI is also used to indicate the time-frequency resource of the at least one SPS PDSCH.
  • the communication unit 610 is further configured to send configuration information to the terminal device, where the configuration information is used to configure time-frequency resources of the at least one SPS PDSCH.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • the network device 600 may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 600 are to realize the method shown in FIG. 4 For the sake of brevity, the corresponding flow of the network device in 400 will not be repeated here.
  • FIG. 12 is a schematic structural diagram of a communication device 700 provided by an embodiment of the present application.
  • the communication device 700 shown in FIG. 12 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 700 may further include a memory 720 .
  • the processor 710 can invoke and run a computer program from the memory 720, so as to implement the method in the embodiment of the present application.
  • the memory 720 may be an independent device independent of the processor 710 , or may be integrated in the processor 710 .
  • the communication device 700 may further include a transceiver 730, and the processor 710 may control the transceiver 730 to communicate with other devices, specifically, to send information or data to other devices, or Receive messages or data from other devices.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include antennas, and the number of antennas may be one or more.
  • the communication device 700 may specifically be the network device of the embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application.
  • the Let me repeat for the sake of brevity, the Let me repeat.
  • the communication device 700 may specifically be the terminal device of the embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application.
  • the Let me repeat for the sake of brevity, the Let me repeat.
  • Fig. 13 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 800 shown in FIG. 13 includes a processor 810, and the processor 810 can invoke and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the device 800 may further include a memory 820 .
  • the processor 810 can call and run a computer program from the memory 820, so as to implement the method in the embodiment of the present application.
  • the memory 820 may be an independent device independent of the processor 810 , or may be integrated in the processor 810 .
  • the device 800 may further include an input interface 830 .
  • the processor 810 may control the input interface 830 to communicate with other devices or chips, specifically, may obtain information or data sent by other devices or chips.
  • the device 800 may further include an output interface 840 .
  • the processor 810 can control the output interface 840 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the device can be applied to the network device in the embodiments of the present application, and the device can implement the corresponding processes implemented by the network device in the methods of the embodiments of the present application. For the sake of brevity, details are not repeated here.
  • the device can be applied to the terminal device in the embodiment of the present application, and the device can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, details are not repeated here.
  • the device mentioned in the embodiment of the present application may also be a chip.
  • it may be a system-on-a-chip, a system-on-a-chip, a system-on-a-chip, or a system-on-a-chip.
  • Fig. 14 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 14 , the communication system 900 includes a terminal device 910 and a network device 920 .
  • the terminal device 910 can be used to realize the corresponding functions realized by the terminal device in the above method
  • the network device 920 can be used to realize the corresponding functions realized by the network device in the above method.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiments may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Program logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented 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, register.
  • 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 embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
  • 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), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • 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
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is, the memory in the embodiments of the present application is intended to include, but not be 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 can be applied to the network device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, I won't repeat them here.
  • the computer-readable storage medium can be applied to the terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiments of the present application. For the sake of brevity, I won't repeat them here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For brevity, This will not be repeated here.
  • the computer program product can be applied to the terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
  • the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
  • 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, and when the computer program is run on the computer, the computer executes the corresponding process implemented by the network device in each method of the embodiment of the present application, For the sake of brevity, details are not repeated here.
  • the computer program can be applied to the terminal device in the embodiment of the present application.
  • the computer program executes the corresponding process implemented by the terminal device in each method of the embodiment of the present application, For the sake of brevity, details are not repeated here.
  • the disclosed systems, devices and methods 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. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art 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 methods described in the various embodiments 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 disc and other media that can store program codes. .

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

Abstract

La présente demande, selon certains modes de réalisation, concerne un procédé de communication sans fil, un dispositif terminal et un dispositif de réseau. Le procédé comprend les étapes suivantes : le dispositif terminal reçoit des premières DCI, les premières DCI étant utilisées pour désactiver au moins une configuration de planification semi-persistante (SPS), et une période SPS correspondant à la configuration SPS comprenant au moins un PDSCH de SPS ; et le dispositif terminal envoie les informations HARQ-ACK correspondant aux premières DCI, l'emplacement des informations HARQ-ACK correspondant aux premières DCI dans un livre de codes HARQ-ACK étant le même que l'emplacement d'informations HARQ-ACK correspondant à un premier PDSCH de SPS dans le livre de codes HARQ-ACK, le premier PDSCH de SPS étant un PDSCH de SPS dans une période SPS correspondant à la première configuration SPS, et la ou les configurations SPS comprenant la première configuration SPS. Selon les modes de réalisation de la présente demande, le dispositif terminal et le dispositif de réseau peuvent avoir une compréhension cohérente sur l'emplacement des informations HARQ-ACK, dans le livre de codes HARQ-ACK, correspondant aux DCI pour désactiver la configuration SPS, ce qui facilite la démodulation réussie des informations HARQ-ACK.
PCT/CN2021/134046 2021-11-29 2021-11-29 Procédé de communication sans fil, dispositif terminal et dispositif de réseau WO2023092564A1 (fr)

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PCT/CN2021/134046 WO2023092564A1 (fr) 2021-11-29 2021-11-29 Procédé de communication sans fil, dispositif terminal et dispositif de réseau

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WO2021197236A1 (fr) * 2020-03-31 2021-10-07 维沃移动通信有限公司 Procédé et dispositif de rétroaction
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US20200314815A1 (en) * 2019-03-27 2020-10-01 Electronics And Telecommunications Research Institute Method and apparatus for transmitting or receiving uplink feedback information in communication system
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