WO2022141420A1 - Procédé de commutation d'état d'indicateur de configuration de transmission (tci) et appareil de communication - Google Patents

Procédé de commutation d'état d'indicateur de configuration de transmission (tci) et appareil de communication Download PDF

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Publication number
WO2022141420A1
WO2022141420A1 PCT/CN2020/142206 CN2020142206W WO2022141420A1 WO 2022141420 A1 WO2022141420 A1 WO 2022141420A1 CN 2020142206 W CN2020142206 W CN 2020142206W WO 2022141420 A1 WO2022141420 A1 WO 2022141420A1
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WIPO (PCT)
Prior art keywords
duration
switching
indication information
tci state
durations
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PCT/CN2020/142206
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English (en)
Chinese (zh)
Inventor
赵泽涵
李翔
戴喜增
李可
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN202080106666.9A priority Critical patent/CN116325616A/zh
Priority to PCT/CN2020/142206 priority patent/WO2022141420A1/fr
Publication of WO2022141420A1 publication Critical patent/WO2022141420A1/fr

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of wireless communication, and more particularly, to a method and a communication device for transmitting configuration indication TCI state switching.
  • the network device may indicate the transmission configuration indicator (TCI) status to the terminal device.
  • TCI transmission configuration indicator
  • the network device may instruct the terminal device to switch the TCI state, and send and receive data according to the new TCI state.
  • the current TCI state switching has the problem of a large delay.
  • the present application provides a method and a communication device for indicating TCI state switching by transmission configuration, which can reduce the delay of TCI state switching when a terminal device moves between different network devices and needs to perform TCI state switching.
  • the present application provides a method for transmitting configuration indication TCI state switching.
  • the method may be executed by a terminal device, or may also be executed by a chip configured in the terminal device, which is not limited in this application.
  • the method includes: the terminal device receives first indication information, where the first indication information is used to indicate a first duration set corresponding to the TCI state, the first duration set includes one or more handover durations, and the The first duration set is obtained according to the second duration set, the second duration set includes one or more handover durations, and the second duration set is reported by the terminal device to the network device; according to the first duration set in the first duration set. For a switching duration, the TCI state is switched.
  • the terminal device when the terminal device needs to perform TCI state switching when moving between different network devices, the terminal device receives the first switching duration in the first duration set indicated by the first indication information sent by the network device, and then the terminal device according to the The first switching duration switches the TCI state, which can reduce the delay of the TCI state switching.
  • the first duration set includes one switching duration, and the one switching duration is the first switching duration. That is to say, the first duration set includes only one switching duration, and the terminal device switches the TCI state according to the one switching duration.
  • the terminal device switches the TCI state according to a first switching duration in the first duration set, and does not need to receive additional instructions from the network device, which can save signaling overhead.
  • the first duration set includes multiple switching durations, and the first switching duration is one of the first duration sets. That is, the terminal device needs to determine one for switching the TCI state from multiple switching durations.
  • the corresponding terminal equipment receives the first There are multiple switching durations in a duration set, and the TCI state switching duration can be flexibly determined.
  • URLLC ultra-reliable low-latency communication
  • eMBB enhanced Mobile Broadband
  • the first duration set is obtained according to the second duration set, including: the first duration set is obtained according to the second switching duration in the second duration set, The first switching duration in the first duration set is not less than the second switching duration.
  • different terminal devices can indicate different second duration sets to the network according to their own TCI state switching capabilities to ensure that the terminal device receives the first switching duration indicated by the network device within the capability range of the terminal device.
  • the second switching duration is obtained according to at least one of the following: a carrier frequency range, a subcarrier spacing, or a quasi-co-located QCL relationship corresponding to the TCI state.
  • the terminal device can uniquely determine the second handover duration according to information such as the carrier frequency range, the subcarrier interval, or the quasi-co-located QCL relationship corresponding to the TCI state indicated by the network device.
  • the method before the receiving the first indication information, the method further includes: reporting second indication information to the network device, where the second indication information is used to indicate the The second duration set is described.
  • different terminal devices can report the second indication information to the network according to their own TCI state switching capabilities, corresponding to different second duration sets for scheduling by the network device.
  • the switching the TCI state according to the first switching duration in the first duration set includes: receiving third indication information, where the third indication information It is used to indicate the first switching duration; determine the target switching duration according to the first switching duration and the first preset duration; and switch the TCI state according to the target switching duration.
  • the corresponding terminal device receives multiple switching durations in the first duration set, and the terminal device can flexibly determine the TCI state switching duration by receiving further instructions from the network device.
  • the determining the target switching duration according to the first switching duration and the first preset duration includes: when the first switching duration is less than the first switching duration In the case of a preset duration, determine that the first switching duration is the target switching duration; in the case that the first switching duration is greater than or equal to the first preset duration, determine the first preset duration The duration is the target switching duration.
  • the present application provides a method for transmitting configuration indication TCI state switching.
  • the method may be executed by a network device, or may also be executed by a chip configured in the network device, which is not limited in this application.
  • the method includes: the network device determines a first duration set according to a second duration set corresponding to the TCI state, where the first duration set includes one or more handover durations, and the second duration set includes one or more handover durations. multiple handover durations, the second duration set is reported by the terminal device to the network device; first indication information is sent, where the first indication information is used to indicate the first duration set, the first duration set in the first duration set A switching duration is used to switch the TCI state.
  • the network device when the terminal device moves between different network devices and needs to perform TCI state switching, the network device indicates the first switching duration to the terminal device, and then the terminal device switches the TCI state according to the first switching duration, which can reduce the TCI state. handover delay.
  • the network device indicates the first switching duration to the terminal device, and then the terminal device switches the TCI state according to the first switching duration, which is beneficial to reduce the delay of TCI state switching.
  • the first duration set includes one switching duration, and the one switching duration is the first switching duration.
  • the network device indicates to the terminal device a first handover duration in the first duration set, and the network device does not need to send additional instructions to the terminal device, which can save signaling overhead.
  • the first duration set includes multiple switching durations, and the first switching duration is one of the first duration sets.
  • the network device can flexibly determine the TCI state switching duration according to different services of the terminal device (eg, URLLC service or eMBB service, etc.) and its own scheduling needs.
  • the first switching duration in the first duration set is not less than the second switching duration.
  • the determining the first duration set according to the second duration set corresponding to the TCI state includes: determining the first duration set according to the second duration set and at least one of the following In determining the second switching duration of the first duration set: carrier frequency range, subcarrier spacing or quasi-co-located QCL relationship corresponding to the TCI state; determining the first duration set according to the second switching duration.
  • the network device can uniquely determine the second handover duration according to information such as the carrier frequency range, the subcarrier interval, or the quasi-co-located QCL relationship corresponding to the TCI state indicated by the network device.
  • the method before the sending of the first indication information, the method further includes: receiving second indication information reported by the terminal device, where the second indication information is used to indicate the second duration set.
  • the network device receives the second indication information reported by the terminal device, which corresponds to the TCI state switching capability of the terminal device.
  • the network device may flexibly determine the first indication information according to the TCI state switching capability.
  • the method further includes: sending third indication information, where the third indication information is used to indicate the first duration A toggle duration in the collection.
  • different services of the terminal device correspond to multiple switching durations in the first duration set indicated by the network device to the terminal device.
  • the network device sends further instructions to the terminal device, which can flexibly determine the TCI The duration of the state transition.
  • the present application further provides a communication device.
  • the communication device may be a terminal or a network device, or a component in a terminal or a network device.
  • the communication apparatus may include various modules or units for performing the method in the first aspect and any possible implementation manner of the first aspect; or, the communication apparatus may include the second aspect and any one of the second aspect. Each module or unit of the method in a possible implementation.
  • the functions of the modules or units may be implemented by hardware, or by executing corresponding software by hardware.
  • the structure of the communication device may include a processing unit, and the processing unit is configured to support the communication device to perform the corresponding functions in the above method.
  • the structure of the communication device may further include a communication unit, and the communication unit is used for supporting communication between the communication device and other devices.
  • the communication device may also include a storage unit for coupling with the processing unit and the communication unit, which stores program instructions and data necessary for the communication device.
  • the communication apparatus performs the relevant operations of the terminal equipment in the first aspect, and the communication apparatus may include:
  • a communication unit configured to receive first indication information; the first indication information is used to indicate a first duration set corresponding to the TCI state, the first duration set includes one or more handover durations, and the first duration The set is obtained according to a second set of durations, the second set of durations includes one or more handover durations, and the second set of durations is reported by the terminal device to the network device;
  • a processing unit configured to switch the TCI state according to the first switching duration in the first duration set.
  • the communication apparatus performs the relevant operations of the network device in the second aspect, and the communication apparatus may include:
  • a processing unit configured to determine a first duration set according to a second duration set corresponding to the TCI state, where the first duration set includes one or more switching durations, and the second duration set includes one or more switching durations , the second duration set is reported by the terminal device to the network device;
  • a communication unit configured to send first indication information, where the first indication information is used to indicate the first duration set.
  • the communication unit may be a transceiver or an interface
  • the storage unit may be a memory
  • the processing unit may be a processor
  • the communication apparatus is a terminal or a network device.
  • the processing unit may be a processor; the communication unit may be a transceiver, or an input/output interface.
  • the communication device is a chip or a system of chips.
  • the processing unit may also be embodied as a processing circuit or a logic circuit; the communication unit may be an input/output interface, interface circuit, output circuit, input circuit, pin or related circuit, etc. on the chip or chip system.
  • the communication apparatus performs the relevant operations of the terminal equipment in the first aspect, and the communication apparatus may include:
  • a transceiver configured to receive first indication information, where the first indication information is used to indicate a first duration set corresponding to the TCI state, the first duration set includes one or more handover durations, the first duration The set is obtained according to a second set of durations, the second set of durations includes one or more handover durations, and the second set of durations is reported by the terminal device to the network device;
  • the processor is configured to switch the TCI state according to the first switching duration in the first duration set.
  • the precoding matrix is a precoding matrix for M antenna groups; the M antenna groups are antenna groups corresponding to the N antennas of the terminal device; the N is an integer greater than or equal to 3, and the M is an integer greater than or equal to 2.
  • the communication apparatus performs the relevant operations of the network device in the second aspect, and the communication apparatus may include:
  • a processor configured to determine a first duration set according to a second duration set corresponding to the TCI state, where the first duration set includes one or more switching durations, and the second duration set includes one or more switching durations , the second duration set is reported by the terminal device to the network device;
  • a transceiver configured to send first indication information, where the first indication information is used to indicate the first duration set.
  • the processor may be used to perform, for example, but not limited to, baseband related processing
  • the transceiver may be used to perform, for example, but not limited to, radio frequency transceiving.
  • the above-mentioned devices may be respectively arranged on chips that are independent of each other, or at least part or all of them may be arranged on the same chip.
  • processors can be further divided into analog baseband processors and digital baseband processors.
  • the analog baseband processor can be integrated with the transceiver on the same chip, and the digital baseband processor can be set on a separate chip. With the continuous development of integrated circuit technology, more and more devices can be integrated on the same chip.
  • a digital baseband processor can be integrated with a variety of application processors (such as but not limited to graphics processors, multimedia processors, etc.) on the same chip.
  • application processors such as but not limited to graphics processors, multimedia processors, etc.
  • Such a chip may be called a System on Chip. Whether each device is independently arranged on different chips or integrated on one or more chips often depends on the needs of product design. The embodiments of the present application do not limit the implementation form of the foregoing device.
  • the present application further provides a processor for executing the method described in the first aspect or the second aspect.
  • the process of sending the above information and receiving the above information in the above method can be understood as the process of the processor outputting the above information, and the process of the processor receiving the input. process of the above information.
  • the processor When outputting the above-mentioned information, the processor outputs the above-mentioned information to the transceiver for transmission by the transceiver. After the above-mentioned information is output by the processor, other processing may be required before reaching the transceiver.
  • the transceiver receives the above-mentioned information and inputs it into the processor. Furthermore, after the transceiver receives the above-mentioned information, the above-mentioned information may need to perform other processing before being input to the processor.
  • the above-mentioned processor may be a processor specially used to execute these methods, or may be a processor that executes computer instructions in a memory to execute these methods, such as a general-purpose processor.
  • the above-mentioned memory can be a non-transitory (non-transitory) memory, such as a read-only memory (Read Only Memory, ROM), which can be integrated with the processor on the same chip, or can be set on different chips respectively.
  • ROM read-only memory
  • the embodiment does not limit the type of the memory and the setting manner of the memory and the processor.
  • the present application provides a computer-readable storage medium for storing computer software instructions, and when the instructions are executed by a communication device, the method described in the first aspect or the second aspect is implemented.
  • the present application further provides a computer program product comprising instructions which, when executed on a communication device, cause the communication device to perform the method described in the first or second aspect above.
  • a seventh aspect provides a chip system, which is applied in a communication device, characterized in that the chip system includes at least one processor, and when the program instructions are executed in the at least one processor, the above-mentioned first aspect or
  • the second aspect and the method described in any one of the optional implementation manners of the first aspect or the second aspect can be implemented on any of the following devices: a terminal device and a network device.
  • a communication system includes: the above-mentioned communication device.
  • the communication system includes: a terminal device and a network device, the terminal device executes the method described in the first aspect and the optional implementation manner of the first aspect, and the network device executes the optional implementation of the second aspect and the second aspect. method described in selected embodiments.
  • FIG. 1 shows a schematic diagram of a communication system applicable to the TCI state switching method and the communication device according to the embodiment of the present application;
  • FIG. 2 shows a schematic diagram of another communication system applicable to the TCI state switching method and the communication device according to the embodiment of the present application;
  • FIG. 3 is a schematic diagram of a TCI state switching method provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a TCI state switching method provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • LTE long term evolution
  • FDD frequency division duplex
  • UMTS time division duplex
  • 5G mobile communication system new radio (NR)
  • NSA non-standalone
  • SA independent network
  • the technical solutions provided in this application can also be applied to future communication systems, such as the sixth generation mobile communication system.
  • the communication system may also be a public land mobile network (PLMN), a device-to-device (D2D) network, a machine-to-machine (M2M) network, an internet of things (internet of things) , IoT) network or other networks.
  • PLMN public land mobile network
  • D2D device-to-device
  • M2M machine-to-machine
  • IoT internet of things
  • the IoT network may include, for example, the Internet of Vehicles.
  • V2X the communication methods in the Internet of Vehicles system are collectively referred to as V2X (X stands for anything).
  • the V2X communication includes: vehicle-to-vehicle (V2V) communication, vehicle-to-infrastructure (V2I) communication ) communication, vehicle-to-pedestrian (V2P) or vehicle-to-network (V2N) communication, etc.
  • V2V vehicle-to-vehicle
  • V2I vehicle-to-infrastructure
  • V2P vehicle-to-pedestrian
  • V2N vehicle-to-network
  • the terminal equipment in the embodiments of the present application may also be referred to as: user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal (mobile terminal, MT), access terminal, subscriber unit, subscriber station, Mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, terminal device, wireless communication device, user agent or user equipment, etc.
  • the terminal device may be a device that provides voice/data connectivity to the user, such as a handheld device with a wireless connection function, a vehicle-mounted device, and the like.
  • some examples of terminals are: mobile phone (mobile phone), tablet computer, notebook computer, PDA, mobile internet device (MID), wearable device, virtual reality (virtual reality, VR) device, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, and smart grids wireless terminal in transportation safety, wireless terminal in smart city, wireless terminal in smart home, cellular phone, cordless phone, session initiation protocol , SIP) telephones, wireless local loop (WLL) stations, personal digital assistants (PDAs), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, automotive A device, a wearable device, a terminal device in a 5G network, or a terminal device in a future evolved public land mobile network (public land mobile network, PLMN), etc., are not
  • 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 intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • the terminal device may also be a terminal device in the IoT system.
  • IoT is an important part of the future development of information technology. Interconnection, the intelligent network of the interconnection of things and things.
  • the IoT technology can achieve massive connections, deep coverage, and power saving of the terminal through, for example, a narrowband (narrow band) NB technology.
  • the terminal device may also include sensors such as smart printers, train detectors, and gas stations, and the main functions include collecting data (part of terminal devices), receiving control information and downlink data of network devices, and sending electromagnetic waves. , to transmit uplink data to the network device.
  • sensors such as smart printers, train detectors, and gas stations
  • the main functions include collecting data (part of terminal devices), receiving control information and downlink data of network devices, and sending electromagnetic waves. , to transmit uplink data to the network device.
  • the network device in this embodiment of the present application may be a device for communicating with terminal devices, and the network device may be an evolved NodeB (evolved NodeB, eNB or eNodeB) in an LTE system, or a cloud wireless access network
  • the network device can be a relay station, an access point, a vehicle-mounted device, a wearable device, and a network device in a future 5G network or a network in a future evolved PLMN network Devices, etc., are not limited in the embodiments of the present application.
  • the network device in this embodiment of the present application may be a device in a wireless network, for example, a radio access network (radio access network, RAN) node that accesses a terminal to the wireless network.
  • RAN nodes are: next-generation base station gNB, transmission reception point (TRP), evolved Node B (evolved Node B, eNB), home base station, baseband unit (baseband unit, BBU), or An access point (access point, AP) in a Wi-Fi system, etc.
  • a network device may include a centralized unit (CU) node, or a distributed unit (DU) node, or a RAN device including a CU node and a DU node, or a control plane CU node (CU).
  • CU centralized unit
  • DU distributed unit
  • RAN device including a CU node and a DU node, or a control plane CU node (CU).
  • CU-UP nodes user plane CU nodes
  • the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
  • This hardware layer includes hardware such as central processing unit (CPU), memory management unit (MMU), and memory (also called main memory).
  • the operating system may be any one or more computer operating systems that implement business processing through processes, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system.
  • the application layer includes applications such as browsers, address books, word processing software, and instant messaging software.
  • the embodiments of the present application do not specifically limit the specific structure of the execution body of the methods provided by the embodiments of the present application, as long as the program that records the codes of the methods provided by the embodiments of the present application can be executed to provide the methods provided by the embodiments of the present application. method to communicate.
  • the execution body of the method provided by the embodiment of the present application may be a terminal device or a network device, or a functional module in the terminal device or network device that can call a program and execute the program.
  • various aspects or features of the present application may be implemented as a method, apparatus, or article of manufacture using standard programming and/or engineering techniques.
  • article of manufacture encompasses a computer program accessible from any computer readable device, carrier or media.
  • computer readable media may include, but are not limited to: magnetic storage devices (eg, hard disks, floppy disks, or magnetic tapes, etc.), optical disks (eg, compact discs (CDs), digital versatile discs (DVDs) etc.), smart cards and flash memory devices (eg, erasable programmable read-only memory (EPROM), card, stick or key drives, etc.).
  • various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, but is not limited to, wireless channels and various other media capable of storing, containing, and/or carrying instructions and/or data.
  • FIG. 1 and FIG. 2 To facilitate understanding of the embodiments of the present application, a communication system applicable to the embodiments of the present application is first described in detail with reference to FIG. 1 and FIG. 2 .
  • FIG. 1 is a schematic diagram of a wireless communication system 100 suitable for an embodiment of the present application.
  • the wireless communication system 100 may include at least one network device, such as the network device 111 shown in FIG. 1 , and the wireless communication system 100 may also include at least one terminal device, such as the terminal device 121 shown in FIG. 1 . to the terminal device 123.
  • Both the network device and the terminal device can be configured with multiple antennas, and the network device and the terminal device can communicate using the multi-antenna technology.
  • the network device when the network device communicates with the terminal device, the network device can manage one or more cells, and there can be an integer number of terminal devices in one cell.
  • the network device 111 and the terminal device 121 to the terminal device 123 form a single-cell communication system, and the single cell may be recorded as cell #1.
  • the network device 111 may be a network device in cell #1, or in other words, the network device 111 may serve a terminal device (eg, terminal device 121) in cell #1.
  • a cell can be understood as an area within the coverage range of a wireless signal of a network device.
  • FIG. 2 is another schematic diagram of a wireless communication system 200 suitable for an embodiment of the present application.
  • the wireless communication system 200 may include at least one terminal device 203 and a plurality of network devices, such as a network device 201 and a network device 202 .
  • the wireless communication system can be a scenario under a high-speed railway, where network devices are deployed on both sides of the railway. At this time, the terminal device needs to frequently switch the TCI state.
  • FIG. 1 and FIG. 2 are only exemplary descriptions, and the present application is not limited thereto.
  • the embodiments of the present application can be applied to any communication system as long as there are at least two devices in the communication system.
  • Transmission configuration indicator (TCI) state The TCI state is used to indicate the quasi co-location (QCL) relationship between the large-scale channel parameters of the data transmission process and one or two downlink reference signals. Therefore, based on the TCI state, the terminal can obtain the indication information of the channel large-scale parameter relationship of the received signal, and then demodulate the data carried by the signal based on the channel estimation.
  • Each TCI state may include a serving cell index (ServeCellIndex), a bandwidth part (bandwidth part, BWP) identifier (identifier, ID), and a reference signal resource identifier.
  • Quasi co-located A quasi co-located QCL relationship is used to indicate that multiple resources have one or more identical or similar communication characteristics. For example, if two antenna ports have a quasi-co-located QCL relationship, then the large-scale characteristics of the channel carrying a signal at one port can be inferred from the large-scale characteristics of the channel carrying a signal at the other port. Signals corresponding to antenna ports with a quasi-co-located QCL relationship have the same parameters, or the parameters of one antenna port can be used to determine the parameters of another antenna port with a quasi-co-located QCL relationship with that antenna port, or, two The antenna ports have the same parameters, or the parameter difference between the two antenna ports is smaller than a certain threshold.
  • the parameters may include one or more of the following large-scale channel parameters: delay spread, Doppler spread, Doppler shift, average delay delay), average gain, spatial Rx parameters.
  • the spatial receiving parameters may include the angle of arrival (Angle of arrival, AOA), the main angle of arrival (Dominant AoA), the average angle of arrival (Average AoA), the angle of arrival (Angle of departure, AOD), the channel correlation matrix, the angle of arrival Power Angle Spread Spectrum, Average AoD, Power Angle Spread Spectrum at Departure Angle, Transmit Channel Correlation, Receive Channel Correlation, Transmit Beamforming, Receive Beamforming, Spatial Channel Correlation, Spatial Filter, or, One or more of spatial filtering parameters, or, spatial receiving parameters, etc.
  • Duration For example, but not limited to, it can be a symbol, frame, subframe, half frame, system frame, time slot, mini-slot, radio frame or transmission time interval (Transmission time interval, TTI), etc., this application implements Examples are not limited.
  • the duration may also have other names, such as time, time, period, delay, and the like.
  • the first preset duration the switching time of the maximum TCI state calculated and obtained by the network device according to certain parameters of the network device and the terminal device.
  • the network device configures multiple TCI states for the terminal device, and before sending a media access control element (Media access control element, MAC-CE) command, only TCI#0 is activated, and the TCI #1 is known but not activated.
  • the network sends a MAC-CE TCI state switching command at a certain time (n) to activate TCI#1.
  • the terminal device can continue to send and receive data based on the original TCI state (TCI#0) within 3ms after receiving the command and sending a hybrid automatic repeat request (HARQ) feedback. After a period of time, the terminal device can start sending and receiving data based on the new TCI state (TCI#1) at the moment of n+T HARQ +3ms+T first-SSB +T SSB-proc .
  • T HARQ is the time from sending the TCI state switching command to sending the HARQ feedback.
  • PDSCH physical downlink shared channel
  • 3ms is the MAC-CE processing time
  • T first-SSB completes MAC-CE decoding for the terminal device, after the above-mentioned T HARQ +3ms, it needs to continue to wait until the arrival of the first SSB;
  • T SSB-proc is the processing time after receiving the SSB.
  • the terminal device switches the TCI state according to the first switching duration; if the first switching duration corresponding to the TCI state is greater than the first preset duration , the terminal device switches the TCI state according to the first preset duration.
  • the first preset duration may be T first-SSB+ T SSB-proc .
  • the first, the second, and various numbers are only used to distinguish for convenience of description, and are not used to limit the scope of the embodiments of the present application. For example, different switching durations, different duration sets, etc. are distinguished.
  • At least one means one or more, and “plurality” means two or more.
  • And/or which describes the association relationship of the associated objects, indicates that there can be three kinds of relationships, for example, A and/or B, which can indicate: the existence of A alone, the existence of A and B at the same time, and the existence of B alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects are an “or” relationship.
  • At least one item(s) below” or similar expressions thereof refer to any combination of these items, including any combination of single item(s) or plural items(s).
  • At least one (a) of a, b and c can represent: a, or, b, or, c, or, a and b, or, a and c, or, b and c, or, a , b and c.
  • indication may include direct indication and indirect indication, and may also include explicit indication and implicit indication.
  • the information indicated by a certain information is called the information to be indicated.
  • the information to be indicated In the specific implementation process, there are many ways to indicate the information to be indicated. For example, but not limited to, it is possible to directly indicate the information to be indicated. information, such as the information to be indicated itself or the index of the information to be indicated.
  • the information to be indicated may also be indicated indirectly by indicating other information, wherein there is an association relationship between the other information and the information to be indicated. It is also possible to indicate only a part of the information to be indicated, while other parts of the information to be indicated are known or agreed in advance.
  • the indication of specific information can also be implemented by means of a pre-agreed (for example, a protocol stipulated) arrangement order of various information, so as to reduce the indication overhead to a certain extent.
  • the embodiments disclosed herein will present various aspects, embodiments or features of the present application around a system including a plurality of devices, components, modules, and the like. It is to be understood and appreciated that the various systems may include additional devices, components, modules, etc., and/or may not include all of the devices, components, modules, etc. discussed in connection with the figures. In addition, combinations of these schemes can also be used.
  • the network device may indicate the TCI status to the terminal.
  • the terminal device can obtain some necessary characteristics required to correctly receive the signal sent by the network device.
  • the network device may instruct the terminal device to switch the TCI state, and send and receive data according to the new TCI state.
  • the current TCI state switching has the problem of a large delay. Therefore, there is an urgent need to propose a method for reducing the TCI state switching delay.
  • the present application provides a TCI state switching method, by which the TCI state switching delay can be reduced.
  • the TCI state switching method provided by the embodiment of the present application can be applied to a wireless communication system, for example, the communication system 100 shown in FIG. 1 .
  • Communication devices in the communication system may have a wireless communication connection relationship.
  • the terminal devices 121 and 122 shown in FIG. 1 may respectively have a wireless communication connection relationship with the network device 111, which is not limited in this embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a method 400 for TCI state switching provided by an embodiment of the present application, shown from the perspective of device interaction.
  • the method 400 shown in FIG. 4 may include steps 410 to 450 .
  • step 410 and step 450 are optional steps.
  • the steps in the method 400 will be described in detail below with reference to the accompanying drawings.
  • Step 410 the terminal device reports the second indication information.
  • the network device receives the second indication information.
  • the second indication information is used to indicate the second duration set corresponding to the TCI state.
  • the second indication information may be existing signaling.
  • the second indication information may be a radio resource control (radio resource control, RRC) message, a media access control element (Media access control element, MAC-CE) and downlink control signaling (Downlink control information, DCI) ) one or more of .
  • RRC radio resource control
  • MAC-CE media access control element
  • DCI downlink control information
  • the second indication information may also be a certain field in the existing signaling, for example, a field in the RRC signaling, and the second duration set is indicated by a certain field in the RRC signaling.
  • the RRC message, the MAC-CE and the DCI are only examples for ease of understanding, and should not constitute any limitation to the present application.
  • the present application does not exclude the possibility that the second indication information is other signaling, nor does it exclude the possibility of defining other names for the above signaling.
  • the second indication information may be carried in one or more of physical layer signaling and high layer signaling. This application does not limit this.
  • the second indication information may be newly added signaling, and the second duration set is indicated by the newly added signaling.
  • the second duration set includes one or more handover durations, and the second duration set is reported by the terminal device to the network device.
  • step 410 is an optional step.
  • the terminal reports the second indication information every time it accesses the network device.
  • the terminal device can actively report the second indication information, or the network device can send a request message to the terminal device, and the terminal device receives the request message. Then report the second indication information.
  • Step 420 the network device determines the first duration set according to the second duration set corresponding to the TCI state.
  • the network device determines the first duration set according to the second duration set corresponding to the TCI state, including: determining the second handover duration used to determine the first duration set according to the second duration set and at least one of the following: carrier frequency The quasi-co-located QCL relationship corresponding to the range, the subcarrier spacing or the TCI state; the first duration set is determined according to the second handover duration.
  • the second switching duration is obtained according to at least one of a carrier frequency range, a subcarrier interval, or a quasi-co-located QCL relationship corresponding to a TCI state.
  • the terminal device reports the second indication information to the network device, and indicates the index of the second duration set through the second indication information, and the network device determines the second switching duration according to its own needs.
  • the carrier frequency range is divided into two different types: FR1 and FR2.
  • the frequency range corresponding to FR1 is 410MHz to 7125MHz, and the frequency range corresponding to FR2 is 24250MHz to 52600MHz.
  • the embodiments of the present application only use FR1 and FR2 in the current NR standard for exemplary description.
  • the carrier frequency range may have different variations, which are not limited in the embodiments of the present application.
  • the subcarrier interval is determined by the network device, or pre-agreed in a predefined manner.
  • the second switching duration is obtained according to the carrier frequency range.
  • the indexes of the second duration set are capability1, capability2, and capability3.
  • the second duration set corresponding to capability1 is ⁇ 1,2 ⁇
  • the second duration set corresponding to capability2 is ⁇ 2,4 ⁇
  • the second duration set corresponding to capability3 is ⁇ 3,8 ⁇ .
  • the second switching duration is 1 slot;
  • the carrier frequency range to be used is determined to be FR2 according to its own needs, and the second switching duration is 2 slots.
  • the second switching duration is 2 slots;
  • the carrier frequency range to be used is determined to be FR2 according to its own needs, and the second switching duration is 4 slots.
  • the second duration set corresponding to capability3 is ⁇ 3,8 ⁇
  • the second switching duration is 3 slots
  • the carrier frequency range to be used is determined to be FR2 according to its own needs
  • the second switching duration is 8 slots.
  • the second switching duration included in the second duration set may have different values in different scenarios.
  • Table 1 is only an exemplary description for facilitating understanding of the embodiments of the present application, and the embodiments of the present application do not make any description of this. limited.
  • the second switching duration is obtained according to the quasi-co-located QCL relationship corresponding to the TCI state.
  • the indices of the second duration set are capability1, capability2, and capability3.
  • the second duration set corresponding to capability1 is ⁇ 1,2 ⁇
  • the second duration set corresponding to capability2 is ⁇ 2,4 ⁇
  • the second duration set corresponding to capability3 is ⁇ 3,8 ⁇ .
  • the second switching duration is 1. If the network device determines that the quasi-co-located QCL relationship corresponding to the TCI state is QCL type A+D according to its own needs, the second switching duration is 2 slots.
  • the second switching duration is 2. If the network device determines that the quasi-co-located QCL relationship corresponding to the TCI state is QCL type A+D according to its own needs, the second switching duration is 4 slots.
  • the second switching duration is 3. If the network device determines according to its own needs that the quasi-co-located QCL relationship corresponding to the TCI state is QCL type A+D, the second switching duration is 8 slots.
  • QCL type A and QCL type A+D in Table 2 are only examples, and QCL type A can also be replaced by QCL type B, QCL type C, QCL type A+B, QCL type A+C, QCL type B+C, QCL type A+D can also be replaced with QCL type D, QCL type B+D, QCL type C+D.
  • QCL type E can be combined with any one or more of the above-mentioned quasi-co-located QCL relationships to implement the technical solution, which is not limited in the embodiments of the present application.
  • the second switching duration is obtained according to the subcarrier spacing.
  • the subcarrier spacing includes: 15 kHz, 30 kHz, 60 kHz, and 120 kHz, and the indices of the second duration set are capability1, capability2, and capability3.
  • the second duration set corresponding to capability1 is ⁇ 1,2,4,8 ⁇
  • the second duration set corresponding to capability2 is ⁇ 2,4,8,16 ⁇
  • the second duration set corresponding to capability3 is ⁇ 3,6 , 12, 24 ⁇ .
  • the second duration set corresponding to capability1 is ⁇ 1, 2, 4, 8 ⁇
  • the second switching duration is 1 slot; If the SCS determined by the device according to its own needs is 30 kHz, the second switching duration is 2 slots. If the SCS determined by the network device according to its own needs is 60 kHz, the second switching duration is 4 slots; The SCS is 120kHz, and the second switching duration is 8 slots.
  • the second duration set ⁇ 2,4,8,16 ⁇ corresponding to capability2 and the second duration set ⁇ 3,6,12,24 ⁇ corresponding to capability3 and the second duration set corresponding to capability1 are ⁇ 1,2 ,4,8 ⁇ are the same and will not be repeated here.
  • subcarrier spacings of 15 kHz, 30 kHz, 60 kHz and 120 kHz are only examples, and may also be 240 kHz, 480 kHz, and other possible forms, which are not limited in this embodiment of the present application.
  • the second switching duration is obtained according to the carrier frequency range and the subcarrier spacing.
  • the subcarrier spacing includes: 15 kHz, 30 kHz, 60 kHz, and 120 kHz, and the indices of the second duration set are capability1, capability2, and capability3.
  • the second duration set corresponding to capability1 is ⁇ 1,1,2,9,16 ⁇
  • the second duration set corresponding to capability2 is ⁇ 2,2,4,18,32 ⁇
  • the second duration set corresponding to capability3 is ⁇ 3,3,4,32,32 ⁇ .
  • the second duration set corresponding to capability1 is ⁇ 1,1,2,9,16 ⁇
  • the network device determines the carrier frequency range to be used according to its own needs as FR1
  • the SCS determined in FR1 is 15kHz, then the second switching duration is 1 slot
  • the SCS determined in FR1 is 30kHz, then the second switching duration is 1 slot
  • the SCS determined in FR1 is 60kHz, then the second switching duration is 2 slots
  • the carrier frequency range determined by the network device according to its own needs is FR2, and the SCS determined in FR2 is 60 kHz
  • the second handover duration is 9 slots
  • the SCS determined in FR2 is 120 kHz, then the second handover duration is 16 slots a slot.
  • the second duration set ⁇ 2, 2, 4, 18, 32 ⁇ corresponding to capability2 and the second duration set ⁇ 3, 3, 4, 32, 32 ⁇ corresponding to capability3 and the second duration set corresponding to capability1 are: ⁇ 1,1,2,9,16 ⁇ are the same and will not be repeated here.
  • the second switching duration is obtained according to the quasi-co-located QCL relationship and the subcarrier spacing corresponding to the TCI state.
  • the subcarrier spacing includes: 15 kHz, 30 kHz, 60 kHz, and 120 kHz, and the indices of the second duration set are capability1, capability2, and capability3.
  • the second duration set corresponding to capability1 is ⁇ 1,1,2,9,16 ⁇
  • the second duration set corresponding to capability2 is ⁇ 2,2,4,18,32 ⁇
  • the second duration set corresponding to capability3 is ⁇ 3,3,4,32,32 ⁇ .
  • the second duration set corresponding to capability1 is ⁇ 1,1,2,9,16 ⁇
  • the quasi-co-located QCL relationship determined by the network device according to its own needs is QCL type A, in QCL type A
  • the second switching duration is 1 slot
  • the SCS determined in QCL type A is 30kHz
  • the second switching duration is 1 slot
  • the SCS determined in QCL type A is 60kHz
  • the second switching duration is 2 slots
  • the quasi-co-located QCL relationship determined by the network device according to its own needs is QCL type A+D
  • the SCS determined in QCL type A+D is 60kHz
  • the second switching duration is 9 slots slot
  • the SCS determined in QCL type A+D is 120kHz
  • the second switching duration is 16 slots.
  • the second duration set ⁇ 2, 2, 4, 18, 32 ⁇ corresponding to capability2 and the second duration set ⁇ 3, 3, 4, 32, 32 ⁇ corresponding to capability3 and the second duration set corresponding to capability1 are: ⁇ 1,1,2,9,16 ⁇ are the same and will not be repeated here.
  • QCL type A and QCL type A+D in Table 5 are only examples, and QCL type A can also be replaced by QCL type B, QCL type C, QCL type A+B, QCL type A+C, QCL type B+C, QCL type A+D can also be replaced with QCL type D, QCL type B+D, QCL type C+D.
  • QCL type E can be combined with any one or more of the above-mentioned quasi-co-located QCL relationships to realize the technical solution. The embodiment does not limit this.
  • Step 430 the terminal device receives the first indication information.
  • the network device sends the first indication information.
  • the first indication information is used to indicate the first duration set corresponding to the TCI state.
  • the first duration set is obtained according to the second duration set, and the first duration set includes one or more switching durations.
  • the first indication information may be existing signaling or newly added signaling, and reference may be made to the description of the second indication information in step 410, which will not be repeated here.
  • the first duration set is obtained according to the second duration set, including: the first duration set is obtained according to the second switching duration in the second duration set, and the first switching duration in the first duration set is not less than the second switching duration. duration.
  • the second switching duration is obtained according to at least one of the quasi-co-located QCL relationship corresponding to the carrier frequency range, the subcarrier interval or the TCI state, and reference may be made to the relevant description in step 420, and details are not repeated here.
  • Step 440 the terminal device switches the TCI state according to the first switching duration in the first duration set.
  • the first duration set includes a switching duration, and the one duration is the first switching duration.
  • the terminal device switches the TCI state according to a switching duration indicated by the first indication information.
  • the first duration set includes multiple switching durations, and the first switching duration is one of the first duration sets.
  • the terminal device receives the third indication information, that is, executes step 450, indicates the first handover duration from the plurality of handover durations through the third indication information, and determines the target handover duration according to the first handover duration and the first preset duration , according to the target switching duration, switch the TCI state.
  • determining the target switching duration according to the first switching duration and the first preset duration includes: when the first switching duration is less than the first preset duration, determining the first switching duration as the target switching duration; When the switching duration is greater than or equal to the first preset duration, the first preset duration is determined as the target switching duration. And switch the TCI state according to the target switching duration.
  • FIG. 5 is a schematic block diagram of a communication apparatus 500 provided by an embodiment of the present application.
  • the communication apparatus 500 corresponds to the terminal equipment or the network equipment in the above-mentioned uplink transmission method.
  • the communication apparatus 500 may include, but is not limited to, a communication unit 501 and a processing unit 502 .
  • the communication apparatus 500 may perform the relevant operations of the above-mentioned terminal equipment, and the communication apparatus may include:
  • the communication unit 501 is configured to receive first indication information, wherein the first indication information is used to indicate a first duration set corresponding to the TCI state, the first duration set includes one or more switching durations, the The first duration set is obtained according to the second duration set, the second duration set includes one or more handover durations, and the second duration set is reported by the terminal device to the network device;
  • the processing unit 502 is configured to switch the TCI state according to the first switching duration in the first duration set.
  • the communication apparatus 500 may perform the above-mentioned related operations of the network equipment, and the communication apparatus may include:
  • the processing unit 502 is configured to determine a first duration set according to a second duration set corresponding to the TCI state; wherein the first duration set includes one or more handover durations, and the second duration set includes one or more a handover duration, the second duration set is reported by the terminal device to the network device;
  • the communication unit 501 is configured to send first indication information, where the first indication information is used to indicate the first duration set.
  • FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • the communication apparatus 600 may be a network device, a terminal device, a chip, a chip system, or a processor that supports the network device to implement the above method, or a chip or a chip system that supports the terminal device to implement the above method. , or processor, etc.
  • the apparatus can be used to implement the methods described in the foregoing method embodiments, and for details, reference may be made to the descriptions in the foregoing method embodiments.
  • the communication apparatus may include one or more processors 601 .
  • the processor 601 may be a general-purpose processor or a special-purpose processor, or the like.
  • it may be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processing unit can be used to control communication devices (such as base stations, baseband chips, terminals, terminal chips, DU or CU, etc.), execute software programs, process software program data.
  • the communication apparatus 600 may include one or more memories 602, and instructions 604 may be stored thereon, and the instructions may be executed on the processor 601, so that the communication apparatus 600 executes the above method methods described in the examples.
  • the memory 602 may also store data.
  • the processor 601 and the memory 602 can be provided separately or integrated together.
  • the communication apparatus 600 may further include a transceiver 605 and an antenna 606 .
  • the transceiver 605 may be referred to as a transceiver unit, a transceiver, or a transceiver circuit, etc., for implementing a transceiver function.
  • the transceiver 605 may include a receiver and a transmitter, the receiver may be called a receiver or a receiving circuit, etc., for implementing a receiving function; the transmitter may be called a transmitter or a transmitting circuit, etc., for implementing a transmitting function.
  • the communication device 600 is a network device, or a device, circuit, etc. in the network device:
  • the processor 601 is configured to determine the first duration set according to the second duration set;
  • the transceiver 605 is configured to send first indication information, where the first indication information is used to indicate the first duration set corresponding to the TCI state.
  • the communication apparatus 600 is a terminal device, or a device, circuit, etc. in the terminal device.
  • the processor 601 is configured to switch the TCI state according to the first switching duration in the first duration set;
  • the transceiver 605 is configured to report second indication information, where the second indication information is used to indicate the second duration set corresponding to the TCI state.
  • the communication apparatus 600 may also perform related operations in the foregoing method embodiments, which will not be described in detail here.
  • the processor 601 may include a transceiver for implementing the functions of receiving and transmitting.
  • the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
  • Transceiver circuits, interfaces or interface circuits used to implement receiving and transmitting functions may be separate or integrated.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transmission.
  • the processor 601 may store an instruction 603, and the instruction 603 runs on the processor 601, so that the communication apparatus 600 can execute the method described in the foregoing method embodiment.
  • the instructions 603 may be hardened in the processor 601, in which case the processor 601 may be implemented by hardware.
  • the communication apparatus 600 may include a circuit, and the circuit may implement the function of sending or receiving or communicating in the foregoing method embodiments.
  • the processors and transceivers described in the embodiments of the present application may be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed-signal ICs, application specific integrated circuits (ASICs), printed circuits board (printed circuit board, PCB), electronic equipment, etc.
  • ICs integrated circuits
  • RFICs radio frequency integrated circuits
  • ASICs application specific integrated circuits
  • PCB printed circuits board
  • electronic equipment etc.
  • the processor and transceiver can also be fabricated using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (Bipolar Junction Transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS nMetal-oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device, but the scope of the communication device described in the embodiments of the present application is not limited thereto, and the structure of the communication device may not be limited by FIG. 6 .
  • the communication apparatus may be a stand-alone device or may be part of a larger device.
  • the communication means may be:
  • a set with one or more ICs may also include a storage component for storing data and instructions;
  • ASIC such as modem (MSM)
  • the communication device may be a chip or a chip system
  • the chip 700 shown in FIG. 7 includes a processor 701 and an interface 702 .
  • the number of processors 701 may be one or more, and the number of interfaces 702 may be multiple.
  • the processor 701 is configured to perform the relevant operations of S420 in the method 400;
  • the interface 702 is used for performing the relevant operations of S430 or S450 in the method 400 .
  • the processor 701 is configured to perform the relevant operations of S440 in the method 400;
  • the interface 702 is used to perform the related operations of S410 in the method 400 .
  • the chip further includes a memory 703, and the memory 703 is used to store necessary program instructions and data of the terminal device or the network device.
  • the chip may also perform related operations in the foregoing method embodiments, which will not be described in detail here.
  • the present application also provides a computer-readable medium on which a computer program is stored, and when the computer program is executed by a computer, implements the functions of any of the foregoing method embodiments.
  • the present application also provides a computer program product, which implements the functions of any of the above method embodiments when the computer program product is executed by a computer.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be downloaded from a website site, computer, server, or data center Transmission to another website site, computer, server, or data center by wire (eg, coaxial cable, optical fiber, digital subscriber line, DSL) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, or the like that includes an integration of one or more available media.
  • the available media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, high-density digital video discs (DVDs)), or semiconductor media (eg, solid state disks, SSD)) etc.

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Abstract

Des modes de réalisation de la présente demande concernent un procédé de commutation d'un état d'indicateur de configuration de transmission (TCI) et un appareil de communication. Dans ce procédé, un dispositif de terminal reçoit des premières informations d'indication pour indiquer un premier ensemble de durées correspondant à l'état TCI, le premier ensemble de durées comprenant une ou plusieurs durées de commutation, et le premier ensemble de durées étant obtenu selon un second ensemble de durées; le second ensemble de durées comprend une ou plusieurs durées de commutation, et le second ensemble de durées est rapporté à un dispositif de réseau par le dispositif de terminal; le dispositif de terminal accomplit la commutation de l'état TCI selon une première durée de commutation dans le premier ensemble de durées. Ainsi, lorsque le mouvement du dispositif de terminal entre différents dispositifs de réseau nécessite de réaliser une commutation d'état TCI, un retard pour commuter l'état TCI peut être réduit.
PCT/CN2020/142206 2020-12-31 2020-12-31 Procédé de commutation d'état d'indicateur de configuration de transmission (tci) et appareil de communication WO2022141420A1 (fr)

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PCT/CN2020/142206 WO2022141420A1 (fr) 2020-12-31 2020-12-31 Procédé de commutation d'état d'indicateur de configuration de transmission (tci) et appareil de communication

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020012661A1 (fr) * 2018-07-13 2020-01-16 株式会社Ｎｔｔドコモ Équipement utilisateur, et station de base
WO2020076690A1 (fr) * 2018-10-08 2020-04-16 Qualcomm Incorporated Configuration d'indicateur de configuration de transmission semi-statique
CN111106907A (zh) * 2018-10-26 2020-05-05 维沃移动通信有限公司 传输配置指示tci状态的指示方法及终端
CN111656839A (zh) * 2018-01-12 2020-09-11 高通股份有限公司 基于传输配置指示的波束切换
WO2020224538A1 (fr) * 2019-05-03 2020-11-12 Mediatek Inc. Procédure de commutation d'indication de configuration de transmission dans des communications mobiles nouvelle radio

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111656839A (zh) * 2018-01-12 2020-09-11 高通股份有限公司 基于传输配置指示的波束切换
WO2020012661A1 (fr) * 2018-07-13 2020-01-16 株式会社Ｎｔｔドコモ Équipement utilisateur, et station de base
WO2020076690A1 (fr) * 2018-10-08 2020-04-16 Qualcomm Incorporated Configuration d'indicateur de configuration de transmission semi-statique
CN111106907A (zh) * 2018-10-26 2020-05-05 维沃移动通信有限公司 传输配置指示tci状态的指示方法及终端
WO2020224538A1 (fr) * 2019-05-03 2020-11-12 Mediatek Inc. Procédure de commutation d'indication de configuration de transmission dans des communications mobiles nouvelle radio

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