WO2024148603A1 - Procédé et appareil d'envoi ou de réception d'informations d'instruction, dispositif et support de stockage - Google Patents

Procédé et appareil d'envoi ou de réception d'informations d'instruction, dispositif et support de stockage Download PDF

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Publication number
WO2024148603A1
WO2024148603A1 PCT/CN2023/072082 CN2023072082W WO2024148603A1 WO 2024148603 A1 WO2024148603 A1 WO 2024148603A1 CN 2023072082 W CN2023072082 W CN 2023072082W WO 2024148603 A1 WO2024148603 A1 WO 2024148603A1
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WIPO (PCT)
Prior art keywords
information
cell
serving
network device
service
Prior art date
Application number
PCT/CN2023/072082
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English (en)
Chinese (zh)
Inventor
付婷
Original Assignee
北京小米移动软件有限公司
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 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202380008065.8A priority Critical patent/CN118648342A/zh
Priority to PCT/CN2023/072082 priority patent/WO2024148603A1/fr
Publication of WO2024148603A1 publication Critical patent/WO2024148603A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular to a method, apparatus, device, and readable storage medium for sending or receiving indication information.
  • LTE long term evolution
  • NR new radio
  • CA carrier aggregation
  • PCell primary cell
  • SCell secondary cell
  • PCC primary carrier component
  • SCC secondary carrier component
  • the network device will configure the corresponding number of secondary carriers for the terminal device based on the capabilities reported by the terminal device.
  • the network device does not send a synchronization signal block (SSB) on one or more secondary carriers.
  • SSB synchronization signal block
  • the present disclosure provides a method, apparatus, device and readable storage medium for sending or receiving indication information.
  • a method for sending indication information is provided, which is performed by a network device, and the method includes:
  • First information is sent, where the first information is used to indicate that the timing synchronization of the second service cell is determined by the synchronization signal block SSB sent on the first service cell.
  • the first serving cell is a primary cell or a secondary cell
  • the second serving cell is a secondary cell
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • sending the first information includes:
  • the first information is sent on a first serving cell.
  • the first information is used to indicate a plurality of first serving cells and one or more second serving cells;
  • the sending of the first information on the first serving cell comprises: The first information is sent in a first serving cell in a serving cell.
  • the first information is used to indicate a first serving cell and one or more second serving cells
  • the sending the first information on the first serving cell includes: sending the first information on multiple first serving cells, wherein the first serving cell indicated by the first information is the first serving cell that carries the first information.
  • sending the first information includes:
  • system information includes the first information
  • the first serving cell and the second serving cell indicated by the first information belong to the same timing advance group TAG.
  • the method further includes: sending measurement configuration information to the user equipment on the primary cell, the measurement configuration information including second information, and the second information is used to indicate that the signal to be measured of the second serving cell is a CSI-RS.
  • the first information is further used to indicate a timing error range, where the timing error range is a timing error range for determining timing synchronization of the second service cell based on the SSB of the first service cell.
  • a method for receiving indication information is provided, which is performed by a user equipment, and the method includes:
  • first information sent by a network device where the first information is used to indicate that timing synchronization of a second serving cell is determined by a synchronization signal block SSB sent on the first serving cell;
  • the first serving cell is a primary cell or a secondary cell
  • the second serving cell is a secondary cell
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the receiving first information sent by the network device includes:
  • First information sent by a network device is received on a first serving cell.
  • the first information is used to indicate a plurality of first serving cells and one or more second serving cells;
  • the receiving, on the first service cell, the first information sent by the network device includes: receiving the first information sent by the network device on one of the multiple first service cells indicated by the first information.
  • the first information is used to indicate a first serving cell and one or more second serving cells
  • the receiving the first information sent by the network device on the first service cell includes: receiving the first information sent by the network device on multiple first service cells, the first service cell indicated by the first information is the first service cell that carries the first information.
  • the receiving first information sent by the network device includes:
  • system information broadcast by a network device where the system information includes the first information
  • the first serving cell and the second serving cell indicated by the first information belong to the same timing advance group TAG.
  • the method further includes: receiving measurement configuration information sent by a network device on a primary cell, the measurement configuration information including second information, and the second information is used to indicate that the signal to be measured of the second serving cell is a CSI-RS.
  • the first information is further used to indicate a timing error range, where the timing error range is a timing error range for determining timing synchronization of the second service cell based on the SSB of the first service cell.
  • a device for sending indication information which is configured in a network device, and the device includes:
  • the transceiver module is configured to send first information, where the first information is used to indicate that the timing synchronization of the second service cell is determined by the synchronization signal block SSB sent on the first service cell.
  • a device for receiving indication information which is configured in a user equipment, and the device includes:
  • a transceiver module configured to receive first information sent by a network device, wherein the first information is used to indicate that timing synchronization of a second serving cell is determined by a synchronization signal block SSB sent on a first serving cell;
  • the processing module is configured to determine the timing synchronization of the second serving cell according to the first information.
  • an electronic device including a processor and a memory, wherein:
  • the memory is used to store computer programs
  • the processor is used to execute the computer program to implement the first aspect or any possible design of the first aspect.
  • an electronic device including a processor and a memory, wherein:
  • the memory is used to store computer programs
  • the processor is used to execute the computer program to implement the second aspect or any possible design of the second aspect.
  • a computer-readable storage medium wherein instructions are stored in the computer-readable storage medium.
  • the instructions When the instructions are called and executed on a computer, the computer executes the above-mentioned first aspect or any possible design of the first aspect.
  • a computer-readable storage medium wherein instructions are stored in the computer-readable storage medium.
  • the instructions When the instructions are called and executed on a computer, the computer executes the above-mentioned second aspect or any possible design of the second aspect.
  • the network device when the network device does not send a synchronization signal block SSB on one or more secondary carriers in an energy-saving CA scenario, the network device sends a first information so that multiple UEs can know that the timing synchronization of the second service cell can be determined through the synchronization signal block SSB sent on the first service cell, so that the UE completes the timing synchronization on all carriers.
  • FIG1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure.
  • FIG2 is an interactive schematic diagram of a method for determining timing synchronization provided by an embodiment of the present disclosure
  • FIG3 is an interactive schematic diagram of another method for determining timing synchronization provided by an embodiment of the present disclosure
  • FIG4 is a flow chart of a method for sending indication information provided by an embodiment of the present disclosure.
  • FIG5 is a flowchart of another method for sending indication information provided by an embodiment of the present disclosure.
  • FIG6 is a flowchart of another method for sending indication information provided by an embodiment of the present disclosure.
  • FIG. 7 is a flowchart of another method for sending indication information provided by an embodiment of the present disclosure.
  • FIG8 is a flowchart of another method for sending indication information provided by an embodiment of the present disclosure.
  • FIG9 is a flow chart of a method for receiving indication information provided by an embodiment of the present disclosure.
  • FIG10 is a flowchart of another method for receiving indication information provided by an embodiment of the present disclosure.
  • FIG. 11 is a flowchart of another method for receiving indication information provided by an embodiment of the present disclosure.
  • FIG. 13 is a flowchart of another method for receiving indication information provided by an embodiment of the present disclosure.
  • FIG. 14 is a structural diagram of a device for sending indication information provided by an embodiment of the present disclosure.
  • 15 is a structural diagram of another device for sending indication information provided by an embodiment of the present disclosure.
  • 16 is a structural diagram of a device for receiving indication information provided by an embodiment of the present disclosure.
  • FIG. 17 is a structural diagram of another device for receiving indication information provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first indication information may also be referred to as the second indication information, and similarly, the second indication information may also be referred to as the first indication information.
  • the words "if” and “if” as used herein may be interpreted as “at” or "when” or "in response to determination”.
  • the method provided in the embodiment of the present disclosure may be applied to a wireless communication system 100 , which may include a user device 101 and a network device 102 , and the number of the devices included is not limited.
  • the application scenarios of the wireless communication system 100 include but are not limited to long-term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, LTE time division duplex (TDD) systems, worldwide interoperability for micro wave access (WiMAX) communication systems, cloud radio access network (CRAN) systems, future fifth-generation (5G) systems, new radio (NR) communication systems or future evolved public land mobile networks (public land mobile network, PLMN) system, etc.
  • LTE long-term evolution
  • FDD frequency division duplex
  • TDD LTE time division duplex
  • WiMAX worldwide interoperability for micro wave access
  • CDRAN cloud radio access network
  • 5G fifth-generation
  • NR new radio
  • PLMN public land mobile network
  • the user equipment 101 shown above may be a terminal, an access user equipment, a user equipment unit, a user equipment station, a mobile station (MS), a remote station, a remote user equipment, a mobile user equipment (mobile terminal), a wireless communication device, a user equipment agent, etc.
  • the user equipment 101 may have a wireless transceiver function, and it may communicate with one or more network devices of one or more communication systems (such as wireless communication) and receive network services provided by the network devices, where the network devices include but are not limited to the illustrated network device 102.
  • the user equipment 101 can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA) device, a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a user device in a future 5G network, or a user device in a future evolved PLMN network, etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the network device 102 may be an access network device (or access network point).
  • the access network device refers to a device that provides network access functions, such as a radio access network (RAN) base station, etc.
  • RAN radio access network
  • it may include a base station (BS), or a base station and a wireless resource management device for controlling the base station, etc., and may also include a relay station (relay device), an access point, and a base station in a future 5G network, a base station in a future evolved PLMN network, or an NR base station, etc., which may be a wearable device or a vehicle-mounted device.
  • the network device 102 may also be a communication chip with a communication module.
  • the network device when the network device does not send the synchronization signal block SSB on one or more secondary carriers, if the UE wants to complete time synchronization on the secondary carrier that has not received the SSB, it needs to refer to the SSB on other carriers that can receive the SSB.
  • FIG2 is a flowchart of sending and receiving indication information according to an exemplary embodiment. As shown in FIG2, the method includes S201 to S202:
  • a network device broadcasts a system message, where the system message includes first information.
  • the first information is used to indicate that the timing synchronization of the second service cell is determined by the SSB sent by the network device on the first service cell. Alternatively, it can be described as that the first information is used to indicate that the timing synchronization of the second service cell is derived according to the SSB sent on the first service cell.
  • the first serving cell is a primary cell or a secondary cell
  • the second serving cell is a secondary cell
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field and a second information field
  • the first information field is used to indicate the identifiers of one or more first service cells
  • the second information field is used to indicate the identifiers of one or more second service cells.
  • the first information field may include one or more fields, each field indicating the identifiers of one or more first service cells
  • the second information field may include one or more fields, each field indicating the identifiers of one or more second service cells.
  • the UE can know which first service cells and which second service cells are indicated in the first information based on the first information field and the second information field included in the first information.
  • the first service cell in the first information field can be used as a timing synchronization source for the second service cell in the second information field.
  • the first information includes multiple (first information field, second information field) combinations
  • the first information field may include one or more fields, each field indicates the identifier of one or more first service cells
  • the second information field may include one or more fields, each field indicates the identifier of one or more second service cells.
  • the UE can know which first service cells and which second service cells are indicated in the first information based on the first information field and the second information field included in the first information.
  • the first service cell in the first information field can be used as the timing synchronization source of the second service cell in the second information field.
  • the first serving cell indicated by the first information and the second serving cell corresponding to the first serving cell belong to the same timing advance group (TAG).
  • TAG timing advance group
  • Multiple cells in a TAG can be considered to have the same or similar geographical locations.
  • the terminal only needs to determine one timing advance (TA).
  • the first information is also used to indicate a timing error range, where the timing error range is a timing error range for determining the timing synchronization of the second service cell based on the SSB of the first service cell, or is called a timing error range when the timing synchronization of the first service cell is applied to the second service cell.
  • the timing error range is used to indicate possible timing deviations when estimating the timing synchronization of the second service cell based on the SSB on the first service cell.
  • only one timing error range is indicated in the first information, and the timing error range is applicable to all first serving cells indicated in the first information.
  • a plurality of timing error ranges are indicated in the first information, and each timing error range corresponds to a first serving cell indicated in the first information.
  • the network device broadcasts the system message on a primary cell.
  • the network device broadcasts the system message on the first serving cell.
  • the network device broadcasts the system message on a first serving cell, the first information indicates a plurality of first serving cells, and the network device broadcasts the system message on a first serving cell.
  • the system message is broadcasted on the serving cell.
  • the first information indicates three first serving cells
  • the network device broadcasts the system message on the first first serving cell among the three first serving cells indicated by the first information.
  • the network device broadcasts the system message on multiple first service cells, the first service cell indicated by the first information is the first service cell that carries the first information, and each first information indicates only one first service cell.
  • the network device broadcasts a system message on three first service cells, where the three first service cells include: a first service cell A, a first service cell B, and a first service cell C.
  • the network device broadcasts a first system message on the first serving cell A, where the first system message includes first information indicating the first serving cell A and one or more second serving cells.
  • the network device broadcasts a second system message on the first serving cell B, where the second system message includes first information indicating the first serving cell B and one or more second serving cells.
  • the network device broadcasts a third system message on the first serving cell C.
  • the third system message includes first information.
  • the first information indicates the first serving cell C and one or more second serving cells.
  • S202 The UE determines timing synchronization of a second serving cell according to the first information.
  • the UE determines the first service cell and the second service cell indicated by the first information, and determines the timing synchronization of the second service cell based on the SSB on the determined first service cell, or, as described, the timing synchronization of the second service cell is derived based on the SSB on the determined first service cell.
  • the UE determines that the error between the timing synchronization of the second service cell and the timing synchronization of the first service cell is within the timing error range based on the SSB on the first service cell for the second service cell.
  • the UE when the first information indicates multiple timing error ranges, the UE can determine the minimum timing error range based on the multiple timing error ranges, determine the first service cell corresponding to the minimum timing error range, determine the timing synchronization of the second service cell based on the first service cell, and the error between the determined timing synchronization and the timing synchronization of the first service cell is within the timing error range.
  • the method before or after step S201, the method further includes: the network device sends measurement configuration information to the user equipment on the primary cell, the measurement configuration information includes second information, and the second information is used to indicate that the signal to be measured in the second serving cell is a CSI-RS.
  • the network device does not send a synchronization signal on one or more auxiliary carriers.
  • the network device broadcasts the first information so that multiple UEs can know that the timing synchronization of the second service cell can be determined through the synchronization signal block SSB sent on the first service cell, so that the UE can complete the timing synchronization on all carriers.
  • FIG3 is a flow chart showing a method of sending and receiving indication information according to an exemplary embodiment. As shown in FIG3, the method includes S301 to S302:
  • a network device sends dedicated signaling to a user equipment, where the dedicated signaling includes the first information.
  • the first information is used to indicate that the timing synchronization of the second service cell is determined by the SSB sent by the network device on the first service cell. Alternatively, it can be described as that the first information is used to indicate that the timing synchronization of the second service cell is derived according to the SSB sent on the first service cell.
  • the first serving cell is a primary cell or a secondary cell
  • the second serving cell is a secondary cell
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field and a second information field
  • the first information field is used to indicate the identifiers of one or more first service cells
  • the second information field is used to indicate the identifiers of one or more second service cells.
  • the first information field may include one or more fields, each field indicating the identifiers of one or more first service cells
  • the second information field may include one or more fields, each field indicating the identifiers of one or more second service cells.
  • the UE can know which first service cells and which second service cells are indicated in the first information based on the first information field and the second information field included in the first information.
  • the first service cell in the first information field can be used as a timing synchronization source for the second service cell in the second information field.
  • the first information includes multiple (first information field, second information field) combinations
  • the first information field may include one or more fields, each field indicates the identifier of one or more first service cells
  • the second information field may include one or more fields, each field indicates the identifier of one or more second service cells.
  • the UE can know which first service cells and which second service cells are indicated in the first information based on the first information field and the second information field included in the first information.
  • the first service cell in the first information field can be used as the timing synchronization source of the second service cell in the second information field.
  • the first serving cell indicated by the first information and the second serving cell corresponding to the first serving cell belong to the same timing advance group (TAG).
  • TAG timing advance group
  • Multiple cells in a TAG can be considered to have the same or similar geographical locations.
  • the terminal only needs to determine one timing advance (TA).
  • the first information is also used to indicate a timing error range, where the timing error range is The timing error range of the timing synchronization of the second service cell is determined according to the SSB of the first service cell, or the timing error range when the timing synchronization of the first service cell is applied to the second service cell.
  • the timing error range is used to indicate the possible timing deviation when estimating the timing synchronization of the second service cell according to the SSB on the first service cell.
  • only one timing error range is indicated in the first information, and the timing error range is applicable to all first serving cells indicated in the first information.
  • a plurality of timing error ranges are indicated in the first information, and each timing error range corresponds to a first serving cell indicated in the first information.
  • the network device sends the dedicated signaling on a primary cell.
  • the network device sends the dedicated signaling on the first serving cell.
  • the network device sends the dedicated signaling on a first serving cell
  • the first information indicates a plurality of first serving cells
  • the network device sends the dedicated signaling on a first serving cell among the plurality of first serving cells indicated by the first information.
  • the first information indicates three first serving cells
  • the network device sends the dedicated signaling on the first first serving cell among the three first serving cells indicated by the first information.
  • the network device sends the dedicated signaling on multiple first service cells, the dedicated signaling includes first information, the first service cell indicated by the first information is the first service cell carrying the first information, wherein each first information only indicates one first service cell.
  • S302 The UE determines timing synchronization of the second serving cell according to the first information.
  • S302 The content of S302 is the same as that of S202, see S202, and will not be repeated here.
  • the network device when the network device does not send a synchronization signal block SSB on one or more secondary carriers in an energy-saving CA scenario, the network device sends a first information to the UE, so that the UE knows that the timing synchronization of the second service cell can be determined through the synchronization signal block SSB sent on the first service cell, so that the UE completes the timing synchronization on all carriers.
  • FIG4 is a flow chart of sending indication information according to an exemplary embodiment. As shown in FIG4, the method includes S401:
  • the first information is used to indicate that the timing synchronization of the second service cell is determined by the SSB sent by the network device on the first service cell. Alternatively, it can be described as that the first information is used to indicate that the timing synchronization of the second service cell is derived from the SSB sent by the first service cell.
  • the first serving cell is a primary cell or a secondary cell
  • the second serving cell is a secondary cell. district.
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field and a second information field
  • the first information field is used to indicate the identifiers of one or more first service cells
  • the second information field is used to indicate the identifiers of one or more second service cells.
  • the first information field may include one or more fields, each field indicating the identifiers of one or more first service cells
  • the second information field may include one or more fields, each field indicating the identifiers of one or more second service cells.
  • the UE can know which first service cells and which second service cells are indicated in the first information based on the first information field and the second information field included in the first information.
  • the first service cell in the first information field can be used as a timing synchronization source for the second service cell in the second information field.
  • the first information includes multiple (first information field, second information field) combinations
  • the first information field may include one or more fields, each field indicates the identifier of one or more first service cells
  • the second information field may include one or more fields, each field indicates the identifier of one or more second service cells.
  • the UE can know which first service cells and which second service cells are indicated in the first information based on the first information field and the second information field included in the first information.
  • the first service cell in the first information field can be used as the timing synchronization source of the second service cell in the second information field.
  • the first serving cell indicated by the first information and the second serving cell corresponding to the first serving cell belong to the same timing advance group (TAG).
  • TAG timing advance group
  • Multiple cells in a TAG can be considered to have the same or similar geographical locations.
  • the terminal only needs to determine one timing advance (TA).
  • the first information is also used to indicate a timing error range, where the timing error range is a timing error range for determining the timing synchronization of the second service cell based on the SSB of the first service cell, or is called a timing error range when the timing synchronization of the first service cell is applied to the second service cell.
  • the timing error range is used to indicate possible timing deviations when estimating the timing synchronization of the second service cell based on the SSB on the first service cell.
  • only one timing error range is indicated in the first information, and the timing error range is applicable to all first serving cells indicated in the first information.
  • a plurality of timing error ranges are indicated in the first information, and each timing error range corresponds to a first serving cell indicated in the first information.
  • the network device broadcasts a system message, where the system message includes the first information.
  • the network device sends dedicated signaling to the user equipment, where the dedicated signaling includes the first information.
  • the network device broadcasts the system message or sends the dedicated signaling on a primary cell.
  • the network device broadcasts the system message or sends the dedicated signaling on the first serving cell.
  • the first information indicates a plurality of first serving cells
  • the network device broadcasts the system message or sends the dedicated signaling on a first serving cell among the plurality of first serving cells indicated by the first information.
  • the first information indicates three first serving cells
  • the network device broadcasts the system message or sends the dedicated signaling on the first first serving cell among the three first serving cells indicated by the first information.
  • the network device broadcasts the system message or sends the dedicated signaling on multiple first service cells, and the first service cell indicated by the first information is the first service cell carrying the first information, wherein each first information only indicates one first service cell.
  • the network device sends the first information on three first service cells, where the three first service cells include: a first service cell A, a first service cell B, and a first service cell C.
  • the network device sends first information on the first serving cell A, where the first information indicates the first serving cell A and one or more second serving cells.
  • the network device sends first information on the first serving cell B, where the first information indicates the first serving cell B and one or more second serving cells.
  • the network device sends first information on the first serving cell C, where the first information indicates the first serving cell C and one or more second serving cells.
  • the method before or after S401, further includes: sending measurement configuration information to the user equipment on the primary cell, where the measurement configuration information includes second information, and the second information is used to indicate that the signal to be measured of the second serving cell is a CSI-RS.
  • the network device when the network device does not send a synchronization signal block SSB on one or more secondary carriers in an energy-saving CA scenario, the network device sends a first message to inform the UE that the timing synchronization of the second service cell can be determined through the synchronization signal block SSB sent on the first service cell, so that the UE completes the timing synchronization on all carriers.
  • FIG5 is a flowchart of sending indication information according to an exemplary embodiment. As shown in FIG5, the method includes S501:
  • S501 sending first information, where the first information is used to indicate the timing synchronization of a second service cell determined by an SSB sent by a network device on a first service cell.
  • the first serving cell is a secondary cell
  • the second serving cell is a secondary cell
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field and a second information field.
  • the structures of the first information field and the second information field are as described in the embodiments corresponding to FIG. 2 and FIG. 3 , and are not described in detail here.
  • FIG6 is a flow chart of sending indication information according to an exemplary embodiment. As shown in FIG6 , the method includes S601:
  • S601 sending first information on the primary cell, wherein the first information is used to indicate the timing synchronization of the second service cell determined by the SSB sent by the network device on the first service cell.
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field and a second information field.
  • the structures of the first information field and the second information field are as described in the embodiments corresponding to FIG. 2 and FIG. 3 , and are not described in detail here.
  • FIG7 is a flow chart of sending indication information according to an exemplary embodiment. As shown in FIG7 , the method includes S701:
  • S701 sending first information on a first service cell, wherein the first information is used to indicate timing synchronization of a second service cell determined by an SSB sent by a network device on the first service cell.
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field and a second information field.
  • the structures of the first information field and the second information field are as described in the embodiments corresponding to FIG. 2 and FIG. 3 , and are not described in detail here.
  • the network device broadcasts a system message on the first serving cell, where the system message includes the first information.
  • the network device sends a dedicated signaling on the first serving cell, where the dedicated signaling includes the first information.
  • the first information indicates a plurality of first serving cells
  • the network device broadcasts the system message or sends the dedicated signaling on a first serving cell among the plurality of first serving cells indicated by the first information.
  • the first information indicates three first serving cells
  • the network device broadcasts the system message or sends the dedicated signaling on the first first serving cell among the three first serving cells indicated by the first information.
  • the network device broadcasts the system message or sends the dedicated signaling on multiple first service cells, and the first service cell indicated by the first information is the first service cell carrying the first information, wherein each first information only indicates one first service cell.
  • the network device sends the first information on three first service cells, where the three first service cells include: a first service cell A, a first service cell B, and a first service cell C.
  • the network device sends first information on the first serving cell A, where the first information indicates the first serving cell A and one or more second serving cells.
  • the network device sends first information on the first serving cell B, where the first information indicates the first serving cell B and one or more second serving cells.
  • the network device sends first information on the first serving cell C, where the first information indicates the first serving cell C and one or more second serving cells.
  • FIG8 is a flow chart of sending indication information according to an exemplary embodiment. As shown in FIG8 , the method includes S801:
  • S801 send first information, wherein the first information is used to indicate the timing synchronization of the second service cell determined by the SSB sent by the network device on the first service cell, and is also used to indicate the timing error range, wherein the timing error range is the timing error range for determining the timing synchronization of the second service cell based on the SSB of the first service cell.
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field, a second information field, and a third information field
  • the first information field is used to indicate the identifiers of one or more first serving cells
  • the second information field is used to indicate the identifiers of one or more second serving cells
  • the third information field is used to indicate the timing error range.
  • FIG9 is a flowchart of receiving indication information according to an exemplary embodiment. As shown in FIG9 , the method includes S901 to S902:
  • S901 Receive first information sent by a network device.
  • the first information is used to indicate that the timing synchronization of the second service cell is determined by the SSB sent by the network device on the first service cell. Alternatively, it can be described as that the first information is used to indicate that the timing synchronization of the second service cell is determined according to the SSB sent by the network device on the first service cell.
  • the SSB sent by a serving cell is derived.
  • the first serving cell is a primary cell or a secondary cell
  • the second serving cell is a secondary cell
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field and a second information field
  • the first information field is used to indicate the identifiers of one or more first service cells
  • the second information field is used to indicate the identifiers of one or more second service cells.
  • the first information field may include one or more fields, each field indicating the identifiers of one or more first service cells
  • the second information field may include one or more fields, each field indicating the identifiers of one or more second service cells. Based on the first information field and the second information field included in the first information, the UE can know which first service cells and which second service cells are indicated in the first information.
  • the first serving cell in the first information field may be used as a timing synchronization source for the second serving cell in the second information field.
  • the first information includes multiple (first information field, second information field) combinations
  • the first information field may include one or more fields, each field indicates the identifier of one or more first service cells
  • the second information field may include one or more fields, each field indicates the identifier of one or more second service cells.
  • the UE can know which first service cells and which second service cells are indicated in the first information based on the first information field and the second information field included in the first information.
  • the first service cell in the first information field can be used as the timing synchronization source of the second service cell in the second information field.
  • the first information is also used to indicate a timing error range, where the timing error range is a timing error range for determining the timing synchronization of the second service cell based on the SSB of the first service cell, or is called a timing error range when the timing synchronization of the first service cell is applied to the second service cell.
  • the timing error range is used to indicate possible timing deviations when estimating the timing synchronization of the second service cell based on the SSB on the first service cell.
  • the UE determines the timing synchronization of the second serving cell with the first serving cell according to the SSB on the first serving cell.
  • the error of the timing synchronization of the cell is within the timing error range.
  • the UE when the first information indicates multiple timing error ranges, the UE can determine the minimum timing error range based on the multiple timing error ranges, determine the first service cell corresponding to the minimum timing error range, determine the timing synchronization of the second service cell based on the first service cell, and the error between the determined timing synchronization and the timing synchronization of the first service cell is within the timing error range.
  • the UE receives a system message broadcast by a network device, where the system information includes the first information; or the UE receives dedicated signaling sent by a network device, where the dedicated signaling includes the first information.
  • the UE receives the system message broadcast or the dedicated signaling sent by the network device on the primary cell.
  • the UE receives the system message broadcast by a network device or sends the dedicated signaling on the first serving cell.
  • the first information indicates multiple first serving cells
  • the UE receives the system message broadcast by the network device or the dedicated signaling sent by the network device on one first serving cell among the multiple first serving cells indicated by the first information.
  • the first information indicates three first serving cells
  • the UE receives the system message or the dedicated signaling on the first first serving cell among the three first serving cells indicated by the first information.
  • the UE receives the system message or the dedicated signaling on multiple first service cells, and the first service cell indicated by the first information is the first service cell that carries the first information, wherein each first information indicates only one first service cell.
  • the UE sends first information on three first serving cells, where the three first serving cells include: a first serving cell A, a first serving cell B, and a first serving cell C.
  • the UE receives first information on a first serving cell A, where the first information indicates the first serving cell A and one or more second serving cells.
  • the UE receives first information on the first serving cell B, where the first information indicates the first serving cell B and one or more second serving cells.
  • the UE receives first information on the first serving cell C, where the first information indicates the first serving cell C and one or more second serving cells.
  • the method before or after S401, further includes: receiving measurement configuration information sent by a network device on the primary cell, where the measurement configuration information includes second information, where the second information is used to indicate the second service
  • the signal to be measured in the cell is CSI-RS.
  • S902 Determine timing synchronization of the second serving cell according to the first information.
  • the timing synchronization of the second service cell is determined based on the SSBs of one or more first service cells indicated in the first information.
  • the UE when the network device does not send a synchronization signal block SSB on one or more secondary carriers in an energy-saving CA scenario, the UE receives the first information sent by the network device, and the UE learns that the timing synchronization of the second service cell can be determined through the synchronization signal block SSB sent on the first service cell, thereby completing the timing synchronization on all carriers.
  • FIG10 is a flowchart of receiving indication information according to an exemplary embodiment. As shown in FIG10 , the method includes S1001-S1002:
  • S1001 receiving first information, where the first information is used to indicate timing synchronization of a second service cell determined by an SSB sent by a network device on a first service cell.
  • the first serving cell is a primary cell
  • the second serving cell is a secondary cell
  • the first serving cell is a secondary cell
  • the second serving cell is a secondary cell
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field and a second information field.
  • the structures of the first information field and the second information field are as described in the embodiments corresponding to FIG. 2 and FIG. 3 , and are not described in detail here.
  • S1002 Determine timing synchronization of the second serving cell according to the first information.
  • S1101 receiving first information in a primary cell, where the first information is used to indicate timing synchronization of a second service cell determined by an SSB sent by a network device on a first service cell.
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field and a second information field.
  • the structures of the first information field and the second information field are as described in the embodiments corresponding to FIG. 2 and FIG. 3 , and are not described in detail here.
  • S1102 Determine timing synchronization of the second serving cell according to the first information.
  • FIG12 is a flowchart of receiving indication information according to an exemplary embodiment. As shown in FIG12, the method includes S1201 to S1202:
  • S1201 receiving first information on a first serving cell, wherein the first information is used to indicate that a network device is connected to a first serving cell.
  • the SSB sent on one serving cell determines the timing synchronization of the second serving cell.
  • the first information includes a first information field and a second information field.
  • the structures of the first information field and the second information field are as described in the embodiments corresponding to FIG. 2 and FIG. 3 , and are not described in detail here.
  • the UE receives a system message broadcast by a network device on the first serving cell, where the system message includes the first information; or the UE receives dedicated signaling sent by the network device on the first serving cell, where the dedicated signaling includes the first information.
  • the first information indicates multiple first serving cells
  • the UE receives a system message broadcasted by a network device or dedicated signaling sent by a first serving cell among the multiple first serving cells indicated by the first information.
  • the first information indicates three first serving cells
  • the UE receives the system message broadcasted or the dedicated signaling sent by the network device on the first first serving cell among the three first serving cells indicated by the first information.
  • the network device broadcasts the system message or sends the dedicated signaling on multiple first service cells, and the first service cell indicated by the first information is the first service cell carrying the first information, wherein each first information only indicates one first service cell.
  • the UE receives first information on three first serving cells, where the three first serving cells include: a first serving cell A, a first serving cell B, and a first serving cell C.
  • the UE receives first information on a first serving cell A, where the first information indicates the first serving cell A and one or more second serving cells.
  • the UE receives first information on the first serving cell B, where the first information indicates the first serving cell B and one or more second serving cells.
  • the UE receives first information on the first serving cell C, where the first information indicates the first serving cell C and one or more second serving cells.
  • S1202 Determine timing synchronization of the second serving cell according to the first information.
  • FIG13 is a flowchart of receiving indication information according to an exemplary embodiment. As shown in FIG13, the method includes S1301 to S1302:
  • S1301 receiving first information, where the first information is used to indicate that the timing synchronization of the second service cell is determined by the SSB sent by the network device on the first service cell, and is also used to indicate a timing error range, where the timing error range is based on The timing error range of the timing synchronization of the second service cell is determined according to the SSB of the first service cell.
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the first information includes a first information field, a second information field, and a third information field
  • the first information field is used to indicate the identifiers of one or more first serving cells
  • the second information field is used to indicate the identifiers of one or more second serving cells
  • the third information field is used to indicate the timing error range.
  • S1302 Determine timing synchronization of the second serving cell according to the first information.
  • the embodiment of the present disclosure also provides a communication device, which can have the function of the network device in the above method embodiment, and is used to execute the steps performed by the network device provided in the above embodiment.
  • the function can be implemented by hardware, or by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device 1400 shown in FIG. 14 may be used as the network device involved in the above method embodiment, and execute the steps performed by the network device in the above method embodiment.
  • the communication device 1400 includes a transceiver module 1401 and a processing module 1402 .
  • the transceiver module 1401 is configured to send first information, where the first information is used to indicate the timing synchronization of the second service cell determined by the synchronization signal block SSB sent by the network device on the first service cell.
  • the first serving cell is a primary cell or a secondary cell
  • the second serving cell is a secondary cell
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the transceiver module 1401 is further configured to send the first information on the primary cell.
  • the transceiver module 1401 is further configured to send the first information on the first serving cell.
  • the first information is used to indicate multiple first service cells and one or more second service cells; the transceiver module 1401 is further configured to: send the first information on a first service cell among the multiple first service cells indicated by the first information.
  • the first information is used to indicate a first service cell and one or more second service cells; the transceiver module 1401 is also configured to: send the first information on multiple first service cells, and the first service cell indicated by the first information is the first service cell that carries the first information.
  • the transceiver module 1401 is further configured to broadcast system information, where the system information includes the first information.
  • the transceiver module 1401 is further configured to send dedicated signaling to the user equipment, where the dedicated signaling includes the first information.
  • the first serving cell and the second serving cell indicated by the first information belong to the same timing advance group TAG.
  • the transceiver module 1401 is further configured to send measurement configuration information to the user equipment on the primary cell, where the measurement configuration information includes second information, and the second information is used to indicate that the signal to be measured in the second serving cell is a CSI-RS.
  • the first information is further used to indicate a timing error range, where the timing error range is a timing error range for determining timing synchronization of the second service cell based on the SSB of the first service cell.
  • the communication device When the communication device is a network device, its structure can also be shown in Figure 15. Take the base station as an example to illustrate the structure of the communication device.
  • the device 1500 includes a memory 1501, a processor 1502, a transceiver component 1503, and a power supply component 1506.
  • the memory 1501 is coupled to the processor 1502, and can be used to store the programs and data necessary for the communication device 1500 to implement various functions.
  • the processor 1502 is configured to support the communication device 1500 to perform the corresponding functions in the above method, and the functions can be implemented by calling the program stored in the memory 1501.
  • the transceiver component 1503 can be a wireless transceiver, which can be used to support the communication device 1500 to receive signaling and/or data through a wireless air interface, and send signaling and/or data.
  • the transceiver component 1503 may also be referred to as a transceiver unit or a communication unit.
  • the transceiver component 1503 may include a radio frequency component 1504 and one or more antennas 1505, wherein the radio frequency component 1504 may be a remote radio unit (RRU), which may be specifically used for transmission of radio frequency signals and conversion of radio frequency signals into baseband signals, and the one or more antennas 1505 may be specifically used for radiation and reception of radio frequency signals.
  • RRU remote radio unit
  • the processor 1502 can perform baseband processing on the data to be sent, and then output the baseband signal to the RF unit.
  • the RF unit performs RF processing on the baseband signal and then sends the RF signal in the form of electromagnetic waves through the antenna.
  • the RF unit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor 1502.
  • the processor 1502 converts the baseband signal into data and processes the data.
  • the embodiment of the present disclosure also provides a communication device, which may have the function of the user equipment in the above method embodiment, and is used to execute the steps performed by the user equipment provided in the above embodiment.
  • the function can be implemented by hardware, or by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device 1600 shown in FIG. 16 may serve as the user equipment involved in the above method embodiment, and execute the steps executed by the user equipment in the above method embodiment.
  • the communication device 1600 includes a transceiver module 1601 and a processing module 1602 .
  • the transceiver module 1601 is configured to receive first information sent by a network device, where the first information is used to indicate that timing synchronization of a second serving cell is determined by a synchronization signal block SSB sent by the network device on the first serving cell;
  • the processing module 1602 is configured to determine the timing synchronization of the second serving cell according to the first information.
  • the first serving cell is a primary cell or a secondary cell
  • the second serving cell is a secondary cell
  • the first information indicates one or more first serving cells and one or more second serving cells.
  • the transceiver module 1601 is further configured to: receive first information sent by a network device on the primary cell.
  • the transceiver module 1601 is further configured to: receive first information sent by the network device on the first serving cell.
  • the first information indicates multiple first service cells and one or more second service cells; the transceiver module 1601 is also configured to receive the first information sent by the network device on a first service cell among the multiple first service cells indicated by the first information.
  • the first information indicates a first service cell and one or more second service cells; the transceiver module 1601 is also configured to: receive the first information sent by the network device on multiple first service cells, and the first service cell indicated by the first information is the first service cell that carries the first information.
  • the transceiver module 1601 is further configured to: receive system information broadcast by a network device, where the system information includes the first information.
  • the transceiver module 1601 is further configured to: receive dedicated signaling sent by a network device, where the dedicated signaling includes the first information.
  • the first serving cell and the second serving cell indicated by the first information belong to the same timing advance group TAG.
  • the transceiver module 1601 is further configured to: receive measurement configuration information sent by a network device on a primary cell, where the measurement configuration information includes second information, and the second information is used to indicate that the signal to be measured of the second serving cell is a CSI-RS.
  • the first information is further used to indicate a timing error range.
  • the range is a timing error range for determining the timing synchronization of the second service cell based on the SSB of the first service cell.
  • FIG17 is a block diagram of a device 1700 for receiving indication information according to an exemplary embodiment.
  • the device 1700 may be a mobile phone, a computer, a digital broadcast terminal, a message transceiver device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • device 1700 may include one or more of the following components: a processing component 1702 , a memory 1704 , a power component 1706 , a multimedia component 1708 , an audio component 1710 , an input/output (I/O) interface 1712 , a sensor component 1714 , and a communication component 1716 .
  • a processing component 1702 may include one or more of the following components: a processing component 1702 , a memory 1704 , a power component 1706 , a multimedia component 1708 , an audio component 1710 , an input/output (I/O) interface 1712 , a sensor component 1714 , and a communication component 1716 .
  • a processing component 1702 may include one or more of the following components: a processing component 1702 , a memory 1704 , a power component 1706 , a multimedia component 1708 , an audio component 1710 , an input/output (I/O) interface 1712 , a sensor component 1714 , and a communication
  • the processing component 1702 generally controls the overall operation of the device 1700, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1702 may include one or more processors 1720 to execute instructions to perform all or part of the steps of the above-described method.
  • the processing component 1702 may include one or more modules to facilitate the interaction between the processing component 1702 and other components.
  • the processing component 1702 may include a multimedia module to facilitate the interaction between the multimedia component 1708 and the processing component 1702.
  • the memory 1704 is configured to store various types of data to support the operation of the device 1700. Examples of such data include instructions for any application or method operating on the device 1700, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 1704 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power component 1706 provides power to the various components of the device 1700.
  • the power component 1706 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the device 1700.
  • the multimedia component 1708 includes a screen that provides an output interface between the device 1700 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
  • the multimedia component 1708 includes a front camera and/or a rear camera. When the device 1700 is in an operating mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
  • the audio component 1710 is configured to output and/or input audio signals.
  • the audio component 1710 includes a microphone.
  • the microphone is configured to receive an external audio signal.
  • the received audio signal may be further stored in the memory 1704 or sent via the communication component 1716.
  • the audio component 1710 further includes a speaker for outputting an audio signal.
  • I/O interface 1712 provides an interface between processing component 1702 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: a home button, a volume button, a start button, and a lock button.
  • the sensor assembly 1714 includes one or more sensors for providing various aspects of the status assessment of the device 1700.
  • the sensor assembly 1714 can detect the open/closed state of the device 1700, the relative positioning of components, such as the display and keypad of the device 1700, the sensor assembly 1714 can also detect the position change of the device 1700 or a component of the device 1700, the presence or absence of user contact with the device 1700, the orientation or acceleration/deceleration of the device 1700, and the temperature change of the device 1700.
  • the sensor assembly 1714 can include a proximity sensor configured to detect the presence of a nearby object without any physical contact.
  • the sensor assembly 1714 can also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 1714 can also include an accelerometer, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 1716 is configured to facilitate wired or wireless communication between the device 1700 and other devices.
  • the device 1700 can access a wireless network based on a communication standard, such as WiFi, 4G or 5G, or a combination thereof.
  • the communication component 1716 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 1716 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the device 1700 can be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components to perform the above methods.
  • ASICs application-specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • controllers microcontrollers, microprocessors or other electronic components to perform the above methods.
  • a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 1704 including instructions, and the instructions can be executed by a processor 1720 of the device 1700 to perform the above method.
  • the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
  • the network device When the network device does not send a synchronization signal block SSB on one or more secondary carriers in an energy-saving CA scenario, the network device sends a first message to inform multiple UEs that the timing synchronization of the second service cell can be determined through the synchronization signal block SSB sent on the first service cell, so that the UE completes the timing synchronization on all carriers.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

La présente divulgation concerne un procédé et un appareil d'envoi ou de réception d'informations d'instruction, un dispositif et un support de stockage lisible, appliqués au domaine technique des communications sans fil. Le procédé de réception d'informations d'instruction consiste à : recevoir des premières informations, les premières informations étant utilisées pour ordonner une synchronisation temporelle d'une seconde cellule de desserte sur la base d'un bloc de signal de synchronisation (SSB) envoyé par un dispositif réseau sur une première cellule de desserte.
PCT/CN2023/072082 2023-01-13 2023-01-13 Procédé et appareil d'envoi ou de réception d'informations d'instruction, dispositif et support de stockage WO2024148603A1 (fr)

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PCT/CN2023/072082 WO2024148603A1 (fr) 2023-01-13 2023-01-13 Procédé et appareil d'envoi ou de réception d'informations d'instruction, dispositif et support de stockage

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