WO2023150998A1 - 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
WO2023150998A1
WO2023150998A1 PCT/CN2022/075963 CN2022075963W WO2023150998A1 WO 2023150998 A1 WO2023150998 A1 WO 2023150998A1 CN 2022075963 W CN2022075963 W CN 2022075963W WO 2023150998 A1 WO2023150998 A1 WO 2023150998A1
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WO
WIPO (PCT)
Prior art keywords
tci state
tci
downlink
uplink
parameter
Prior art date
Application number
PCT/CN2022/075963
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English (en)
Chinese (zh)
Inventor
杜忠达
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2022/075963 priority Critical patent/WO2023150998A1/fr
Publication of WO2023150998A1 publication Critical patent/WO2023150998A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the terminal equipment receives the first MAC CE
  • a ninth aspect provides 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 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.
  • a computer program product including computer program instructions, the computer program instructions cause a computer to execute the method in any one of the above first to fourth aspects.
  • Fig. 6 is a schematic interaction flowchart of a wireless communication method provided according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of another first MAC CE provided according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced long term evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunications System
  • WLAN Wireless Local Area Networks
  • IoT Internet of Things
  • 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 ) network deployment scenarios, or applied to non-independent (Non-Standalone, NSA) network deployment scenarios.
  • Carrier Aggregation, CA Carrier Aggregation
  • DC Dual Connectivity
  • SA independent network deployment scenarios
  • non-Standalone, NSA non-independent network deployment scenarios.
  • 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.
  • 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 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
  • 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.
  • this article involves a first communication device and a second communication device
  • the first communication device may be a terminal device, such as a mobile phone, a machine facility, a customer premise equipment (Customer Premise Equipment, CPE), an industrial device, a vehicle, etc.
  • the second communication device may be a peer communication device of the first communication device, such as a network device, a mobile phone, an industrial device, a vehicle, and the like.
  • description is made by taking the first communication device as a terminal device and the second communication device as a network device as a specific example.
  • 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.
  • network devices can activate a group (one) of TCI states or a group of TCI state pairs through some MAC CEs.
  • the TCI state used to represent the beam in the TCI state frame is not only distinguished between the uplink and downlink (the downlink uses the TCI state representation, the uplink uses the spatial relationship (spatial relationship) representation), but also different channels and reference Different signaling processes are used between the signals.
  • a unified TCI state framework (unified TCI state frame work) was subsequently introduced, with the purpose of unifying the TCI state list and related signaling as much as possible in these two dimensions.
  • FIG. 6 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application. As shown in FIG. 6, the wireless communication method 200 may include at least part of the following content:
  • the value of m may be stipulated by a protocol, or the value of m may be configured by a network device.
  • the first parameter corresponding to the fifth TCI state is used to indicate whether the fifth TCI state and the fourth TCI state are paired TCI states
  • the first parameter corresponding to the seventh TCI state is used to indicate the seventh TCI state Whether the state and the sixth TCI state are paired TCI states
  • the first parameter corresponding to the ninth TCI state is used to indicate whether the ninth TCI state and the eighth TCI state are paired TCI states.
  • the first TCI state is the uplink TCI state
  • the second TCI state is the uplink TCI state
  • the third TCI state is the downlink TCI state
  • the fourth TCI state is Uplink TCI status
  • the fifth TCI status is the downlink TCI status
  • the sixth TCI status is the uplink TCI status
  • the seventh TCI status is the downlink TCI status
  • the eighth TCI status is the uplink TCI status
  • the ninth TCI status is Downlink TCI status
  • the 10th TCI status is the downlink TCI status
  • the 11th TCI status is the downlink TCI status.
  • the i-th first parameter among the m first parameters is the most significant bit of the i-th TCI state.
  • the serving cell identification information can correspond to the serving cell identification field, the serving cell identification field occupies 5 bits of Oct 1, the BWP identification information can correspond to the BWP ID field, and the BWP ID field occupies 2 bits of Oct 1 bits, and the R field is a reserved bit.
  • the uplink BWP identification information and the downlink BWP identification information can be designed with reference to the BWP ID field shown in FIG. 9 and FIG. 10 , and will not be repeated here.
  • a code point in the first DCI is associated with a downlink TCI state, or, a code point in the first DCI is associated with an uplink TCI state, or, a code point in the first DCI is associated with an uplink TCI state, or, A code point is associated with a downlink TCI state and an uplink TCI state.
  • the network device sends a second MAC CE to the terminal device; wherein, the second MAC CE includes identification information of n TCI state groups in the TCI state group list, and the second MAC CE is used to activate the n TCI states
  • the TCI state in the group, n is a positive integer; wherein, the TCI state group includes a downlink TCI state, or, the TCI state group includes an uplink TCI state, or, the TCI state group includes a paired downlink TCI state and a Uplink TCI status;
  • the terminal device receives the second MAC CE.
  • TCI state group i includes a downlink TCI state ID
  • TCI state group j also includes a downlink TCI state ID
  • TCI state group i includes an uplink TCI state ID
  • TCI state group j also includes an uplink TCI state ID
  • the TCI state group i includes a paired downlink TCI state ID and an uplink TCI state ID
  • the TCI state group j also includes a paired downlink TCI state ID and an uplink TCI state ID.
  • the second MAC CE also includes at least one of the following: serving cell identification information, BWP identification information; wherein, the serving cell identification information is used to indicate the cell where the TCI state in the n TCI state groups is located ID, the BWP ID information is used to indicate the BWP ID of the TCI state in the n TCI status groups.
  • a downlink TCI state ID in the second MAC CE occupies 7 bits; and/or, an uplink TCI state ID in the second MAC CE occupies 6 bits; and/or, the first A TCI state group in two MAC CEs occupies 13 bits.
  • the downlink TCI state list may be as shown in Table 1 above, and the uplink TCI state list may be as shown in Table 2 above.
  • the communication unit 410 is configured to receive the first media access control layer control unit MAC CE;
  • 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 network device 500 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 500 are for realizing the method shown in FIG. 6
  • the corresponding processes of the network devices in 200 will not be repeated here.
  • Fig. 15 shows a schematic block diagram of a terminal device 600 according to an embodiment of the present application.
  • the terminal device 600 includes:
  • the second MAC CE includes identification information of transmission configuration indicating n TCI state groups in the TCI state group list, and the second MAC CE is used to activate the TCI states in the n TCI state groups, and n is a positive integer ;
  • the communication unit 610 is further configured to receive second downlink control information DCI, where the second DCI is used to indicate a specifically used TCI state group in the n TCI state groups.
  • terminal device 600 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 600 are to realize the method shown in FIG. 11
  • the corresponding process of the terminal device in 300 will not be repeated here.
  • Fig. 16 shows a schematic block diagram of a network device 700 according to an embodiment of the present application.
  • the network device 700 includes:
  • the communication unit 710 is configured to send the second media access control layer control unit MAC CE to the terminal device;
  • the second MAC CE includes a target parameter, where the target parameter is used to indicate the number of TCI state groups in the n TCI state groups.
  • the second MAC CE also includes at least one of the following: serving cell identification information, uplink bandwidth part BWP identification information, downlink BWP identification information;
  • the TCI states in the n TCI state groups are determined by the terminal device based on the downlink TCI state list, the uplink TCI state list and the TCI state group list.
  • the memory 820 may be an independent device independent of the processor 810 , or may be integrated in the processor 810 .
  • the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices, specifically, to send information or data to other devices, or Receive messages or data from other devices.
  • the transceiver 830 may include a transmitter and a receiver.
  • the transceiver 830 may further include antennas, and the number of antennas may be one or more.
  • the communication device 800 may specifically be the network device of the embodiment of the present application, and the communication device 800 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, the Let me repeat.
  • the device 900 may further include an input interface 930 .
  • the processor 910 can control the input interface 930 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the device 900 may further include an output interface 940 .
  • the processor 910 can control the output interface 940 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 various methods of the embodiments of the present application. For the sake of brevity, details are not repeated here.
  • FIG. 19 is a schematic block diagram of a communication system 1000 provided by an embodiment of the present application. As shown in FIG. 19 , the communication system 1000 includes a terminal device 1010 and a network device 1020 .
  • the terminal device 1010 can be used to realize the corresponding functions realized by the terminal device in the above method
  • the network device 1020 can be used to realize the corresponding functions realized by the network device in the above method. repeat.
  • 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.
  • 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 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 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 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 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. .

Abstract

Des modes de réalisation de la présente demande concernent un procédé de communication sans fil, un dispositif terminal et un dispositif de réseau. Le dispositif de réseau peut activer au moins un état TCI de liaison descendante dans une liste d'états de TCI de liaison descendante et/ou au moins un état de TCI de liaison montante dans une liste d'états de TCI de liaison montante au moyen d'un MAC CE. Par conséquent, la solution d'activation d'un état de TCI par le dispositif de réseau est optimisée. Le procédé de communication sans fil comprend les étapes suivantes : le dispositif terminal reçoit un premier MAC CE, le premier MAC CE comprenant des informations d'identification de m états de TCI, le premier MAC CE étant utilisé pour activer les m états de TCI, m étant un nombre entier positif et les m états de TCI comprenant au moins l'un des éléments suivants : au moins un état de TCI de liaison descendante dans la liste d'états de TCI de liaison descendante, et au moins un état de TCI de liaison montante dans la liste d'états de TCI de liaison montante.
PCT/CN2022/075963 2022-02-11 2022-02-11 Procédé de communication sans fil, dispositif terminal et dispositif de réseau WO2023150998A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019136728A1 (fr) * 2018-01-12 2019-07-18 Oppo广东移动通信有限公司 Procédé de configuration de transmission et procédé associé
WO2020216243A1 (fr) * 2019-04-26 2020-10-29 维沃移动通信有限公司 Procédé de transmission d'informations d'indication et dispositif de communication
US20210184819A1 (en) * 2018-08-27 2021-06-17 Ntt Docomo, Inc. User terminal and radio communication method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019136728A1 (fr) * 2018-01-12 2019-07-18 Oppo广东移动通信有限公司 Procédé de configuration de transmission et procédé associé
US20210184819A1 (en) * 2018-08-27 2021-06-17 Ntt Docomo, Inc. User terminal and radio communication method
WO2020216243A1 (fr) * 2019-04-26 2020-10-29 维沃移动通信有限公司 Procédé de transmission d'informations d'indication et dispositif de communication

Non-Patent Citations (2)

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TCL COMMUNICATION LTD.: "Enhancements on multi-beam operation", 3GPP DRAFT; R1-2109180, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. E-Meeting; 20211011 - 20211019, 30 September 2021 (2021-09-30), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052058137 *
XIAOMI: "Enhancements on multi-beam operation", 3GPP DRAFT; R1-2109378, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20211011 - 20211019, 1 October 2021 (2021-10-01), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052058324 *

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