WO2023065179A1 - Appareil et procédé de réception d'informations de diffusion, et appareil et procédé de transmission d'informations de diffusion - Google Patents

Appareil et procédé de réception d'informations de diffusion, et appareil et procédé de transmission d'informations de diffusion Download PDF

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Publication number
WO2023065179A1
WO2023065179A1 PCT/CN2021/125094 CN2021125094W WO2023065179A1 WO 2023065179 A1 WO2023065179 A1 WO 2023065179A1 CN 2021125094 W CN2021125094 W CN 2021125094W WO 2023065179 A1 WO2023065179 A1 WO 2023065179A1
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WIPO (PCT)
Prior art keywords
cell
broadcast information
dedicated
random access
information
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PCT/CN2021/125094
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English (en)
Chinese (zh)
Inventor
路杨
蒋琴艳
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富士通株式会社
路杨
蒋琴艳
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Application filed by 富士通株式会社, 路杨, 蒋琴艳 filed Critical 富士通株式会社
Priority to PCT/CN2021/125094 priority Critical patent/WO2023065179A1/fr
Publication of WO2023065179A1 publication Critical patent/WO2023065179A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the current NR cell may stop sending system information related to cell selection and reselection, such as MIB and SIB1, in addition to stopping sending SI, or even stop sending Physical Broadcast Channel (PBCH), wherein SSB includes synchronization signals (Synchronization Signal, SS), PBCH payload and master information block (Master Information Block, MIB).
  • MIB Physical Broadcast Channel
  • MIB Master Information Block
  • an apparatus for receiving broadcast information which is used for terminal equipment, and the apparatus includes: a first receiving unit, which receives the first cell for the terminal equipment to request to send the second The uplink resource information of the broadcast information of the second cell; the first requesting unit, which requests to send the broadcast information of the second cell according to the uplink resource information; and the second receiving unit, which receives the said second cell sent broadcast information.
  • an apparatus for sending broadcast information which is used for the network equipment belonging to the second cell
  • the apparatus includes: a fourth receiving unit, which receives the broadcast information sent by the terminal equipment or the network equipment belonging to the third cell. request information for requesting to send the broadcast information of the second cell; and a second sending unit, configured to send the broadcast information to the terminal device.
  • a device for receiving broadcast information which is used for the network device to which the third cell belongs, and the device includes: a fifth receiving unit, which receives the request sent by the terminal device to send the message of the second cell Request information for broadcast information.
  • a network device is provided, and the network device includes the apparatus according to the third aspect of the embodiments of the present application.
  • the communication system includes the terminal device according to the fifth aspect of the embodiments of the present application, and the network according to the sixth aspect of the embodiments of the present application At least one of the device, the network device according to the seventh aspect of the embodiments of the present application, and the network device according to the eighth aspect of the embodiments of the present application.
  • a method for receiving broadcast information which is used for a network device to which a first cell belongs, and the method includes: sending to a terminal device a message for the terminal device to request to send the second cell Uplink resource information of the broadcast information.
  • a method for sending broadcast information which is used for a network device belonging to a second cell, the method comprising: receiving a request sent by a terminal device or a network device belonging to a third cell to send the Request information for broadcast information of the second cell; and sending the broadcast information to the terminal device.
  • a method for receiving broadcast information which is used for a network device to which a third cell belongs, the method comprising: receiving request information sent by a terminal device requesting to send broadcast information of a second cell .
  • a fourteenth aspect of the embodiments of the present application there is provided a computer-readable program, wherein when the program is executed in a broadcast information receiving device or terminal device, the program causes the broadcast information receiving device or terminal to The device executes the method for receiving broadcast information described in the tenth aspect of the embodiments of the present application.
  • a storage medium storing a computer-readable program, wherein the computer-readable program causes a broadcast information receiving device or terminal device to execute the tenth aspect of the embodiments of the present application. The method of receiving the broadcast information described above.
  • a storage medium storing a computer-readable program, wherein the computer-readable program causes a broadcast information receiving device, a broadcast information sending device, or a network device to execute the implementation of the present application.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a method for receiving broadcast information in Embodiment 1 of the present application.
  • Fig. 5 is another schematic diagram of scene 1 of embodiment 1 of the present application.
  • FIG. 6 is a schematic diagram of a specific implementation of the method for receiving broadcast information in Embodiment 1 of the present application.
  • FIG. 10 is another schematic diagram of the specific implementation of the method for receiving broadcast information in Embodiment 1 of the present application.
  • Fig. 13 is a schematic diagram of scene 2 of embodiment 1 of the present application.
  • FIG. 21 is a schematic diagram of a method for sending broadcast information according to Embodiment 3 of the present application.
  • the terms “first”, “second”, etc. are used to distinguish different elements from the title, but do not indicate the spatial arrangement or time order of these elements, and these elements should not be referred to by these terms restricted.
  • the term “and/or” includes any and all combinations of one or more of the associated listed items.
  • the terms “comprising”, “including”, “having” and the like refer to the presence of stated features, elements, elements or components, but do not exclude the presence or addition of one or more other features, elements, elements or components.
  • multiple or “multiple” means at least two or at least two.
  • the user equipment may include but not limited to the following equipment: Cellular Phone (Cellular Phone), Personal Digital Assistant (PDA, Personal Digital Assistant), wireless modem, wireless communication equipment, handheld equipment, machine type communication equipment, laptop computer, Cordless phones, smartphones, smart watches, digital cameras, and more.
  • Cellular Phone Cellular Phone
  • PDA Personal Digital Assistant
  • wireless modem wireless communication equipment
  • handheld equipment machine type communication equipment
  • laptop computer Cordless phones
  • Cordless phones smartphones, smart watches, digital cameras, and more.
  • the user equipment can also be a machine or device for monitoring or measurement, such as but not limited to: a machine type communication (MTC, Machine Type Communication) terminal, Vehicle communication terminal, device to device (D2D, Device to Device) terminal, machine to machine (M2M, Machine to Machine) terminal, etc.
  • MTC Machine Type Communication
  • Vehicle communication terminal device to device (D2D, Device to Device) terminal
  • M2M Machine to Machine
  • Fig. 1 is a schematic diagram of a communication system according to an embodiment of the present application, which schematically illustrates the case of terminal devices and network devices as examples.
  • a communication system 100 may include a first network device 101, a second network device 102 and a terminal device 103, the first network device 101 belongs to the first cell, and the second network device 102 belongs to the second cell.
  • Fig. 2 is another schematic diagram of the communication system of the embodiment of the present application.
  • the communication system 100' may include a first network device 101, a second network device 102 and a terminal device 103, and also includes a third network device 104.
  • the first network device 101 belongs to the first cell
  • the second network device 102 belongs to the second cell
  • the third network device 104 belongs to the third cell.
  • Step 301 Receive the uplink resource information sent by the first cell for the terminal device to request to send the broadcast information of the second cell;
  • the third cell may be called a reference cell, for example.
  • the first cell and the third cell may be different cells, or may be the same cell. That is, the third cell may be an adjacent cell of the second cell or an inter-frequency cell overlapping with the coverage area of the second cell.
  • Step 304 When the terminal device detects that the reference signal quality of the second cell is higher than the first threshold and the terminal device cannot camp on any cell, the terminal device determines to request the broadcast information of the second cell.
  • Step 305 When the terminal device needs to perform downlink synchronization with the second cell, the terminal device determines to request the broadcast information of the second cell.
  • the terminal device may check whether it has received or stored uplink resource information requesting the second cell to resume sending broadcast information, such as uplink resource configuration or uplink resource indication, If yes, the terminal device can use the uplink resource to request the second cell to send broadcast information, so that the terminal device can select and camp on the second cell.
  • uplink resource information requesting the second cell may resume sending broadcast information, such as uplink resource configuration or uplink resource indication, If yes, the terminal device can use the uplink resource to request the second cell to send broadcast information, so that the terminal device can select and camp on the second cell.
  • the terminal device checks whether it has received or saved the uplink resource information requesting to send the broadcast information of the second cell, that is, whether the terminal device has previously executed step 301, when The terminal device has executed step 301, that is, when it has received or saved the uplink resource information requesting to send the broadcast information of the second cell, the terminal device performs step 302, that is, requests to send the broadcast information of the second cell according to the uplink resource information information.
  • a terminal device in the connected state receives an RRC reconfiguration message instructing the terminal device to switch to the second cell, or instructs the terminal device to configure the second cell as a PSCell, or instructs the terminal device to update
  • the terminal device needs to complete downlink synchronization to the second cell.
  • the terminal device cannot obtain the downlink synchronization timing information of the second cell, so that the terminal device cannot complete the above process.
  • a terminal device in a connected state cannot complete downlink synchronization to a second cell and cannot receive broadcast information of the second cell, it may initiate a request for broadcast information about the second cell or a certain beam of the second cell. For example, when the terminal device needs to complete the downlink synchronization to the second cell and cannot receive the broadcast information of the second cell, it can check whether it has received or saved the uplink resource configuration requesting the second cell to resume sending broadcast information or If there is an uplink resource indication, the terminal device can use the uplink resource to request the second cell to send broadcast information, so that the terminal device can synchronize to the second cell.
  • the uplink resource configuration or uplink resource indication used to request the second cell to resume sending broadcast information requires the terminal Receive in the inter-frequency cell whose coverage area of the second cell overlaps.
  • the terminal device In the case that the second cell does not send broadcast information, the terminal device generally cannot obtain downlink synchronization of the second cell.
  • the terminal device uses the uplink resource of the third cell to request to send the broadcast information of the second cell, and the terminal device has obtained downlink synchronization with the third cell.
  • a terminal device in the IDLE state, INACTIVE state or connected state can request to send the broadcast information of the second cell in this scenario;
  • the terminal device has obtained downlink synchronization with the second cell (target cell):
  • the terminal device has obtained downlink synchronization with the third cell but has not obtained synchronization with the second cell, then the terminal device needs to use the uplink resources of the third cell to send a request for sending broadcast information to the second cell. Then, the third cell instructs the second cell to send broadcast information.
  • the terminal device may receive uplink resource configuration or indication information about the third cell from a first cell.
  • the first cell and the third cell may be the same cell or different cells.
  • FIG. 4 is a schematic diagram of scenario 1 of Embodiment 1 of the present application. As shown in FIG. 4, the first cell and the third cell are different cells. In this scenario, the method in the embodiment of the present application includes the following steps:
  • Step 402 The terminal device requests the third cell to send the broadcast information of the second cell according to the uplink resource information
  • the uplink resource information sent by the first cell indicates the uplink resource information of the third cell, that is, in step 402, the terminal device uses the uplink resource of the third cell to request the third cell to send the uplink resource information of the second cell. Broadcasting information, for example, sending request information to the network device to which the third cell belongs.
  • Step 501 the first cell (the third cell) sends to the terminal device uplink resource information for requesting to send the broadcast information of the second cell;
  • Step 502 The terminal device requests the first cell (third cell) to send the broadcast information of the second cell according to the uplink resource information;
  • the uplink resource information sent by the first cell (third cell) indicates its own uplink resource, that is, in step 502, the terminal device uses the uplink resource of the first cell (third cell) to send
  • the third cell requests to send the broadcast information of the second cell, for example, sends the request information to the network device to which the first cell (third cell) belongs.
  • the first cell (third cell) requests the network equipment of the second cell to send the broadcast information of the second cell, for example, the network equipment of the first cell (third cell) sends the broadcast information of the second cell
  • the network device to which it belongs sends request information to request the second cell to send broadcast information.
  • radio resource control (RRC) message RRC message
  • CE MAC control element
  • random access preamble RRC message
  • RRC radio resource control
  • CE MAC control element
  • the method may further include: the terminal device receiving a cell ID (cell ID) of a second cell indicated by the first cell and capable of being requested by the terminal device to send the broadcast information.
  • the terminal device receiving a cell ID (cell ID) of a second cell indicated by the first cell and capable of being requested by the terminal device to send the broadcast information.
  • the terminal device uses the public physical uplink shared channel (PUSCH) resource or the dedicated PUSCH resource of the third cell indicated by the uplink resource information to send a radio resource control (RRC) message or MAC message bearing the request A control unit (CE), so that the network device to which the third cell belongs requests to send the broadcast information of the second cell.
  • RRC radio resource control
  • CE request A control unit
  • the common PUSCH resource may include the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is provided by the first cell Broadcast information sent.
  • a terminal device in an IDLE state or an INACTIVE state may send a broadcast information request through a public PUSCH resource of the third cell, while a terminal device in a connected state may send a broadcast information request through a public PUSCH resource or a dedicated PUSCH resource.
  • the radio resource control (RRC) message or the MAC CE may include at least one of the following information:
  • the broadcast information type requested by the terminal device to be sent where the broadcast information type includes PBCH payload, MIB or SIB.
  • the radio resource control (RRC) message or the MAC CE when the radio resource control (RRC) message or the MAC CE includes the cell identity of the second cell and the second beam index of the second cell that the terminal device requests to send broadcast information, the second The cell can only send the broadcast information of the requested beam, and the unrequested beam does not send the broadcast information, so as to save resources and energy consumption.
  • RRC radio resource control
  • the terminal device may request to send different broadcast information, for example, the request information includes the broadcast information type of the second cell, and the type includes PBCH payload, MIB or SIB1.
  • the second cell can send different broadcast information according to the request of the terminal device.
  • the terminal device uses the dedicated physical random access channel (PRACH) resource of the third cell indicated by the uplink resource information to request to send the broadcast information of the second cell, so that the third cell belongs to The network device requests to send the broadcast information of the second cell.
  • PRACH dedicated physical random access channel
  • the dedicated PRACH resource is sent by the broadcast information of the first cell.
  • the dedicated PRACH resource may include a PRACH resource used for sending the non-contention random access msg1 or a PRACH resource used for sending the two-step non-contention random access MsgA.
  • a terminal device in an IDLE state, an INACTIVE state or a connected state may send a broadcast information request through a dedicated PRACH resource of the third cell.
  • the dedicated PRACH resource may also include a dedicated random access preamble and/or a dedicated random access opportunity.
  • the used random access preamble and/or dedicated random access opportunity is aimed at the second cell.
  • the terminal device determines the second cell that requests to send the broadcast information; the terminal device uses the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second cell to request to send the broadcast information of the second cell broadcast information of the second cell, so that the network device to which the third cell belongs requests to send the broadcast information of the second cell.
  • the dedicated random access preamble and/or the dedicated random access opportunity may also be directed to a synchronization signal block (SSB) of the third cell.
  • SSB synchronization signal block
  • the network device in order to improve the PRACH reception performance, can receive the broadcast information request of the terminal device at the beam corresponding to the SSB of the third cell with better reception performance, and the dedicated PRACH resource can be used for receiving the beam corresponding to the SSB of the third cell. In this way, the network device can use the beam corresponding to the SSB with better channel quality to receive the PRACH resource, thereby improving the PRACH receiving performance.
  • FIG. 6 is a schematic diagram of a specific implementation of the method for receiving broadcast information according to Embodiment 1 of the present application. As shown in Figure 6, the method includes the following steps:
  • Step 601 The terminal device determines the second cell requesting to send broadcast information
  • Step 602 The terminal device selects a synchronization signal block (SSB) of the third cell whose received power is greater than a third threshold;
  • SSB synchronization signal block
  • Step 603 The terminal device uses the SSB of the third cell and the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second cell to request to send the broadcast information of the second cell;
  • Step 604 The network device to which the third cell belongs requests to send the broadcast information of the second cell, that is, the third cell triggers the second cell to send broadcast information.
  • FIG. 7 is a schematic diagram of a specific implementation of scenario 1 in Embodiment 1 of the present application. As shown in Fig. 7, the first cell and the third cell are different cells.
  • FIG. 8 is a schematic diagram of a method for receiving broadcast information in the scenario shown in FIG. 7 . As shown in Figure 8, the method includes the following steps:
  • Step 801 The terminal device determines to request the second cell to send broadcast information
  • the terminal device determines to request the second cell to send broadcast information; or, the terminal device in the connected state receives the The PScell changes to the handover command of the second cell, and needs to maintain downlink synchronization with the second cell, and the terminal device determines to request the second cell to send broadcast information.
  • Step 802 The terminal device selects the SSB of the third cell with better channel quality, for example, selects a better SSB#B of the third cell based on SS-RSRP;
  • Step 803 The terminal device sends a request to the third cell by using the dedicated random access preamble and/or dedicated random access opportunity corresponding to the third cell SSB#B;
  • Step 804 the third cell triggers the second cell to send broadcast information of all beams.
  • the dedicated PRACH resource may also be used for the terminal device to request to send the beam of the second cell. If the terminal device wants to request the broadcast information corresponding to a certain beam of the second cell, it uses the information corresponding to the beam of the second cell.
  • the PRACH resource sends a request, so that the second cell can only send the broadcast of the requested beam, and the beam that is not requested can not send the broadcast, thereby reducing energy consumption.
  • the dedicated random access preamble resource and/or the dedicated random access opportunity corresponds to the second beam of the second cell.
  • FIG. 9 is another schematic diagram of specific implementation of the method for receiving broadcast information according to Embodiment 1 of the present application. As shown in Figure 9, the method includes the following steps:
  • Step 901 The terminal device determines a second cell requesting to send broadcast information and a second beam of the second cell;
  • Step 902 The terminal device uses the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second beam of the second cell to request to send the broadcast information of the second cell;
  • Step 903 The network device to which the third cell belongs requests to send the broadcast information corresponding to the second beam of the second cell.
  • the dedicated random access preamble and/or the dedicated random access opportunity when the dedicated random access preamble resource and/or the dedicated random access opportunity corresponds to the second beam of the second cell, the dedicated random access preamble and/or the dedicated random access opportunity may also correspond to a synchronization signal block (SSB) of the third cell. That is to say, the dedicated random access preamble resource and/or the dedicated random access opportunity correspond to the second beam of the second cell and simultaneously correspond to the SSB of the third cell.
  • SSB synchronization signal block
  • Step 1001 The terminal device determines a second cell requesting to send broadcast information and a second beam of the second cell;
  • Step 1003 the terminal device uses the SSB of the third cell and the dedicated random access preamble and/or dedicated random access opportunity corresponding to the second beam of the second cell to request to send the broadcast information of the second cell;
  • Step 1004 The network device to which the third cell belongs requests to send the broadcast information corresponding to the second beam of the second cell.
  • FIG. 11 is another schematic diagram of the specific implementation of scenario 1 in Embodiment 1 of the present application. As shown in FIG. 11, the first cell and the third cell are different cells.
  • FIG. 12 is a schematic diagram of a method for receiving broadcast information in the scenario shown in FIG. 11 . As shown in Figure 12, the method includes the following steps:
  • Step 1201 The terminal device determines to request to send the broadcast information of the beam #A of the second cell;
  • the terminal device determines to request to send the broadcast information of the second cell; or, the terminal device in the connected state receives The handover command for changing the PScell to the second cell needs to maintain downlink synchronization with the second cell, and the terminal device determines to request to send the broadcast information of the second cell.
  • the RSRP of beam A of the second cell exceeds another preconfigured threshold, it is determined to request to send broadcast information corresponding to beam #A of the second cell.
  • Step 1202 The terminal device selects the SSB of the third cell with better channel quality, for example, selects a better SSB#B of the third cell based on SS-RSRP;
  • Step 1203 The terminal device sends a request to the third cell by using the SSB#B of the third cell and the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second cell or beam #A of the second cell;
  • Step 1204 the third cell triggers the second cell to send broadcast information corresponding to beam #A.
  • the second cell has obtained downlink synchronization of the second cell, and the terminal device may send an uplink signal to the second cell.
  • the terminal device may use the uplink resource of the second cell to request to send the broadcast information of the second cell.
  • the terminal device can only obtain the configuration of uplink resources of the second cell from other cells.
  • Fig. 13 is a schematic diagram of scene 2 of embodiment 1 of the present application. As shown in Figure 13, in this scenario, the method in this embodiment of the application includes the following steps:
  • Step 1302 The terminal device requests the second cell to send the broadcast information of the second cell according to the uplink resource information.
  • step 1302 the terminal device uses the uplink resource of the second cell to request to send the broadcast information of the second cell.
  • radio resource control (RRC) message RRC message
  • CE MAC control element
  • random access preamble RRC message
  • RRC radio resource control
  • CE MAC control element
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is broadcast by the first cell Information sent.
  • the dedicated PUSCH resource includes the MsgA PUSCH resource used to send two-step non-contention random access, and the dedicated PUSCH resource is sent by a dedicated RRC message of the first cell; or, the dedicated PUSCH resource is sent by a dedicated Downlink Control Information (DCI) scheduling.
  • DCI Downlink Control Information
  • a terminal device in an IDLE state or an INACTIVE state may send a broadcast information request through the public PUSCH resource of the second cell.
  • the radio resource control (RRC) message or the MAC CE may include at least one of the following information:
  • the broadcast information type requested by the terminal device to be sent where the broadcast information type includes PBCH payload, MIB or SIB.
  • the terminal device may request to send different broadcast information, for example, the request information includes the broadcast information type of the second cell, and the type includes PBCH payload, MIB or SIB1.
  • the second cell can send different broadcast information according to the request of the terminal device.
  • the terminal device uses the dedicated physical random access channel (PRACH) resource of the second cell indicated by the uplink resource information to request to send the broadcast information of the second cell.
  • PRACH dedicated physical random access channel
  • the dedicated PRACH resource is sent by the broadcast information of the first cell.
  • the dedicated PRACH resource may include the PRACH resource of msg1 for non-contention random access or the PRACH resource of MsgA for two-step non-contention random access.
  • a terminal device in an IDLE state or an INACTIVE state may request to send the broadcast information of the second cell through a dedicated PRACH resource of the second cell.
  • the dedicated PRACH resource can also request the terminal device to send the second beam of the second cell, and the terminal device uses the PRACH resource corresponding to the second beam of the second cell to request broadcast information corresponding to a certain beam of the second cell The request is sent, so that the second cell can only send the broadcast of the requested beam, and the unrequested beam may not send the broadcast, thereby reducing energy consumption.
  • the dedicated PRACH resource may comprise a dedicated random access preamble and/or a dedicated random access opportunity for the first beam of the second cell.
  • the first beam is a beam with better channel quality, that is, a beam used by the network device to receive the broadcast information request of the terminal device.
  • the dedicated random access preamble resource and/or the dedicated random access opportunity corresponds to the broadcast information type requested by the terminal device, where the broadcast information type includes PBCH payload, MIB or SIB.
  • FIG. 14 is another schematic diagram of the specific implementation of the method for receiving broadcast information according to Embodiment 1 of the present application. As shown in Figure 14, the method includes the following steps:
  • Step 1401 The terminal device determines to request to send the broadcast information of the second cell
  • Step 1402 the terminal device selects the first beam of the second cell whose received power is greater than the fourth threshold
  • Step 1403 the terminal device uses the dedicated random access preamble and/or dedicated random access opportunity corresponding to the first beam of the second cell to request to send the broadcast information of the second cell;
  • Step 1404 The second cell sends the broadcast information of all beams or sends the broadcast information of the first beam.
  • FIG. 15 is a schematic diagram of a specific implementation of scenario 2 in Embodiment 1 of the present application.
  • FIG. 16 is a schematic diagram of a method for receiving broadcast information in the scenario shown in FIG. 15 . As shown in Figure 16, the method includes the following steps:
  • Step 1601 The terminal device determines to request to send the broadcast information of the second cell
  • the terminal device determines to request to send the broadcast information of the second cell; or, the terminal device in the connected state receives The handover command for changing the PScell to the second cell needs to maintain downlink synchronization with the second cell, and the terminal device determines to request the second cell to send broadcast information.
  • Step 1603 The terminal device sends a request to the second cell by using the dedicated random access preamble and/or dedicated random access opportunity corresponding to beam #C;
  • Step 1604 The second cell sends broadcast information of all beams or broadcast information corresponding to beam #C.
  • FIG. 17 is another schematic diagram of the specific implementation of the method for receiving broadcast information according to Embodiment 1 of the present application. As shown in Figure 17, the method includes the following steps:
  • Step 1701 The terminal device determines the second beam of the second cell requesting to send broadcast information
  • Step 1703 The terminal device uses the dedicated random access preamble and/or dedicated random access opportunity corresponding to the first beam of the second cell and the second beam of the second cell to request to send the broadcast information of the second cell ;
  • Step 1704 The second cell sends broadcast information corresponding to the second beam.
  • the first beam and the second beam of the second cell may be the same beam.
  • FIG. 18 is another schematic diagram of the specific implementation of scenario 2 in Embodiment 1 of the present application.
  • FIG. 19 is a schematic diagram of a method for receiving broadcast information in the scenario shown in FIG. 18 . As shown in Figure 19, the method includes the following steps:
  • Step 1901 The terminal device determines to request to send the broadcast information corresponding to the beam #A of the second cell;
  • Step 1902 The terminal device selects a beam of the second cell with better channel quality, for example, selects a better beam #C of the second cell based on SS-RSRP;
  • Embodiment 2 of the present application also provides a method for receiving broadcast information, and the method is used in a network device to which the first cell belongs.
  • This method corresponds to the method for receiving broadcast information for a terminal device in Embodiment 1, and the same content will not be described repeatedly.
  • FIG. 20 is a schematic diagram of a method for receiving broadcast information according to Embodiment 2 of the present application. As shown in Figure 20, the method includes:
  • Step 2001 Send the uplink resource information for the terminal device to request to send the broadcast information of the second cell to the terminal device.
  • the broadcast information may include at least one of the following: a physical broadcast channel (PBCH) payload, a master information block (MIB), and a system information block (SIB).
  • PBCH physical broadcast channel
  • MIB master information block
  • SIB system information block
  • the uplink resource information may be information about common channel resources or dedicated channel resources of the third cell.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources;
  • the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resource includes a PUSCH resource for sending four-step random access msg3 or a MsgA PUSCH resource for sending two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access, and the dedicated PUSCH resource is sent by a dedicated RRC message of the first cell; or, the dedicated PUSCH resource is sent by a dedicated downlink control information ( DCI) scheduling.
  • DCI downlink control information
  • the dedicated PRACH resource may include a dedicated random access preamble and/or a dedicated random access opportunity.
  • the dedicated random access preamble and/or dedicated random access opportunity is directed to the second cell.
  • the dedicated random access preamble and/or the dedicated random access opportunity is also directed to a synchronization signal block (SSB) of the third cell.
  • SSB synchronization signal block
  • the dedicated random access preamble resource and/or the dedicated random access opportunity corresponds to the second beam of the second cell.
  • the dedicated random access preamble and/or dedicated random access opportunity also corresponds to a synchronization signal block (SSB) of the third cell.
  • SSB synchronization signal block
  • the uplink resource information is information about common channel resources or dedicated channel resources of the second cell.
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access, and the dedicated PUSCH resource is sent by a dedicated RRC message of the first cell; or, the dedicated PUSCH resource is sent by a dedicated downlink control information ( DCI) scheduling.
  • DCI downlink control information
  • the dedicated PRACH resource includes the PRACH resource used for sending the non-contention random access msg1 or the PRACH resource used for sending the two-step non-contention random access MsgA.
  • the dedicated PRACH resources include dedicated random access preambles and/or dedicated random access opportunities.
  • the dedicated random access preamble resources and/or dedicated random access opportunities are directed to the first beam of the second cell.
  • the dedicated random access preamble resources and/or dedicated random access opportunities also correspond to the second beam of the second cell.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • FIG. 21 is a schematic diagram of a method for sending broadcast information according to Embodiment 3 of the present application. As shown in Figure 21, the method includes:
  • Step 2101 Receive request information from the terminal device or the network device to which the third cell belongs to request to send the broadcast information of the second cell;
  • Step 2102 Send the broadcast information to the terminal device.
  • the network device to which the second cell belongs may receive the request information sent by the terminal device requesting to send the broadcast information of the second cell through the uplink resource of the second cell; wherein the uplink resource includes a common channel resources or dedicated channel resources.
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the dedicated PRACH resource includes the PRACH resource used for sending the non-contention random access msg1 or the PRACH resource used for sending the two-step non-contention random access MsgA.
  • the dedicated PRACH resources include dedicated random access preambles and/or dedicated random access opportunities.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • Embodiment 4 of the present application also provides a method for receiving broadcast information, and the method is used for a network device to which the third cell belongs. This method corresponds to the method in Examples 1-3, and the same content will not be described repeatedly.
  • Step 2201 Receive request information from the terminal device requesting to send the broadcast information of the second cell.
  • the method may also include:
  • the network device to which the third cell belongs may receive the request information sent by the terminal device requesting to send the broadcast information of the second cell through the uplink resource of the third cell; wherein the uplink resource includes a common channel resources or dedicated channel resources.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources;
  • the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access, and the dedicated PUSCH resource is sent by a dedicated RRC message of the first cell; or, the dedicated PUSCH resource is sent by a dedicated downlink control information ( DCI) scheduling.
  • DCI downlink control information
  • the dedicated PRACH resource includes the PRACH resource used to send the non-contention random access msg1 or the PRACH resource used to send the two-step non-contention random access MsgA.
  • the dedicated PRACH resources include dedicated random access preambles and/or dedicated random access opportunities.
  • the request information is carried by a radio resource control (RRC) message, a MAC control element (CE) or a random access preamble.
  • RRC radio resource control
  • CE MAC control element
  • the method further includes: sending to the terminal device the uplink resource information used by the terminal device to request to send the broadcast information of the second cell .
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • FIG. 23 is a schematic diagram of a broadcast information receiving device according to Embodiment 4 of the present application. As shown in FIG. 23 , the broadcast information receiving device 2300 includes:
  • the first receiving unit 2301 is configured to receive uplink resource information sent by the first cell for the terminal device to request to send broadcast information of the second cell;
  • the first request unit 2302 which requests to send the broadcast information of the second cell according to the uplink resource information
  • the second receiving unit 2303 is configured to receive the broadcast information sent by the second cell.
  • the device may also include:
  • the first determining unit 2304 is configured to request the broadcast information of the second cell when the terminal device detects that the reference signal quality of the second cell is higher than the first threshold and the terminal device cannot camp on any cell.
  • the device may also include:
  • the uplink resource information may be information about common channel resources or dedicated channel resources of the third cell.
  • the apparatus may further include: a third receiving unit, configured to receive a cell identity of a second cell indicated by the first cell and capable of being requested by the terminal device to send the broadcast information.
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the broadcast information type requested by the terminal device to be sent where the broadcast information type includes PBCH payload, MIB or SIB.
  • the dedicated PRACH resources include dedicated random access preambles and/or dedicated random access opportunities.
  • the dedicated random access preamble and/or dedicated random access opportunity is directed to the second cell.
  • the first requesting unit 2302 determines the second cell that requests to send broadcast information; the first requesting unit 2302 uses the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second cell to request to send the broadcast information The broadcast information of the second cell, so that the network device to which the third cell belongs requests to send the broadcast information of the second cell.
  • the first request unit 2302 determines the second cell that requests to send broadcast information; the first request unit 2302 selects the synchronization signal block (SSB) of the third cell whose received power is greater than a third threshold; the first request unit 2302 Use the SSB of the third cell and the dedicated random access preamble corresponding to the second cell and/or the dedicated random access opportunity to request to send the broadcast information of the second cell, so that the network device to which the third cell belongs requests Send the broadcast information of the second cell.
  • SSB synchronization signal block
  • the first requesting unit 2302 determines the second cell requesting to send broadcast information and the second beam of the second cell; the first requesting unit 2302 uses the dedicated random access preamble corresponding to the second beam of the second cell The code and/or the dedicated random access opportunity request to send the broadcast information of the second cell, so that the network equipment belonging to the third cell requests to send the broadcast information corresponding to the second beam of the second cell.
  • the dedicated random access preamble and/or dedicated random access opportunity also corresponds to a synchronization signal block (SSB) of the third cell.
  • SSB synchronization signal block
  • the first requesting unit 2302 determines the second cell requesting to send broadcast information and the second beam of the second cell; the first requesting unit 2302 selects the synchronization signal block (SSB); the first request unit 2302 uses the SSB of the third cell and the dedicated random access preamble and/or dedicated random access opportunity corresponding to the second beam of the second cell to request to send the broadcast of the second cell information, so that the network device to which the third cell belongs requests to send the broadcast information corresponding to the second beam of the second cell.
  • SSB synchronization signal block
  • the dedicated random access preamble resource and/or the dedicated random access opportunity corresponds to the broadcast information type that the terminal device requests to send, where the broadcast information type includes PBCH payload, MIB or SIB.
  • the uplink resource information may also be information about common channel resources or dedicated channel resources of the second cell.
  • the first request unit 2302 uses the public physical uplink shared channel (PUSCH) resource or the dedicated PUSCH resource of the second cell indicated by the uplink resource information to send a radio resource control (RRC) message carrying the request or a MAC control unit (CE).
  • RRC radio resource control
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the radio resource control (RRC) message or the MAC CE includes at least one of the following information:
  • the terminal device requests a second beam index of the second cell for sending broadcast information
  • the first request unit 2302 uses the dedicated physical random access channel (PRACH) resource of the second cell indicated by the uplink resource information to request to send the broadcast information of the second cell.
  • PRACH dedicated physical random access channel
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity for the first beam of the second cell.
  • the first requesting unit 2302 determines to request the second cell to send broadcast information; the first requesting unit 2302 selects the first beam of the second cell whose received power is greater than a fourth threshold; the first requesting unit 2302 uses the first beam The dedicated random access preamble and/or dedicated random access opportunity corresponding to the first beam of the second cell requests to send the broadcast information of the second cell.
  • the dedicated random access preamble resources and/or dedicated random access opportunities also correspond to the second beam of the second cell.
  • the first requesting unit 2302 determines the second beam of the second cell that requests to send broadcast information; the first requesting unit selects the first beam of the second cell whose received power is greater than the fourth threshold; the first requesting unit 2302 Use the dedicated random access preamble and/or dedicated random access opportunity corresponding to the first beam of the second cell and the second beam of the second cell to request to send the broadcast information of the second cell, so as to request to send the The broadcast information corresponding to the second beam.
  • the first beam of the second cell is the same as the second beam.
  • the dedicated random access preamble resource and/or the dedicated random access opportunity corresponds to the broadcast information type that the terminal device requests to send, where the broadcast information type includes PBCH payload, MIB or SIB.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • Embodiment 6 of the present application provides a device for receiving broadcast information, and the device is used for a network device to which a first cell belongs. Since the problem-solving principle of the device is similar to the method in Embodiment 2, its specific implementation can refer to the implementation of the method described in Embodiment 2, and the same or related parts will not be described again.
  • FIG. 24 is a schematic diagram of a broadcast information receiving device according to Embodiment 6 of the present application. As shown in FIG. 24 , the broadcast information receiving device 2400 includes:
  • the broadcast information includes at least one of the following: Physical Broadcast Channel (PBCH) payload, Master Information Block (MIB) and System Information Block (SIB).
  • PBCH Physical Broadcast Channel
  • MIB Master Information Block
  • SIB System Information Block
  • the uplink resource information may be information about common channel resources or dedicated channel resources of the third cell.
  • the device may also include:
  • a first indicating unit 2402 which indicates to the terminal device the cell identity of the second cell that can be requested by the terminal device to send the broadcast information.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources;
  • the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the dedicated PRACH resource includes the PRACH resource used for sending the non-contention random access msg1 or the PRACH resource used for sending the two-step non-contention random access MsgA.
  • the dedicated PRACH resources include dedicated random access preambles and/or dedicated random access opportunities.
  • the dedicated random access preamble and/or dedicated random access opportunity is directed to the second cell.
  • the dedicated random access preamble and/or the dedicated random access opportunity is also directed to a synchronization signal block (SSB) of the third cell.
  • SSB synchronization signal block
  • the dedicated random access preamble resource and/or the dedicated random access opportunity corresponds to the second beam of the second cell.
  • the dedicated random access preamble and/or dedicated random access opportunity also corresponds to a synchronization signal block (SSB) of the third cell.
  • SSB synchronization signal block
  • the uplink resource information may be information about common channel resources or dedicated channel resources of the second cell.
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the dedicated PRACH resource includes the PRACH resource used for sending the non-contention random access msg1 or the PRACH resource used for sending the two-step non-contention random access MsgA.
  • the dedicated PRACH resources include dedicated random access preambles and/or dedicated random access opportunities.
  • the dedicated random access preamble resources and/or dedicated random access opportunities are directed to the first beam of the second cell.
  • the dedicated random access preamble resources and/or dedicated random access opportunities also correspond to the second beam of the second cell.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • Embodiment 7 of the present application provides an apparatus for sending broadcast information, and the apparatus is used for network equipment to which the second cell belongs. Since the problem-solving principle of the device is similar to the method in Embodiment 3, its specific implementation can refer to the implementation of the method described in Embodiment 3, and the same or related parts will not be described again.
  • FIG. 25 is a schematic diagram of a broadcast information sending device according to Embodiment 7 of the present application. As shown in FIG. 25 , the broadcast information sending device 2500 includes:
  • the network device to which the second cell belongs may receive the request information sent by the terminal device requesting to send the broadcast information of the second cell through the uplink resource of the second cell; wherein the uplink resource includes a common channel resources or dedicated channel resources.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources;
  • the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access, and the dedicated PUSCH resource is sent by a dedicated RRC message of the first cell; or, the dedicated PUSCH resource is sent by a dedicated downlink control information ( DCI) scheduling.
  • DCI downlink control information
  • the dedicated PRACH resources include dedicated random access preambles and/or dedicated random access opportunities.
  • the request information is carried by a radio resource control (RRC) message, a MAC control element (CE) or a random access preamble.
  • RRC radio resource control
  • CE MAC control element
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • the fifth receiving unit 2601 is configured to receive request information sent by the terminal device to request to send broadcast information of the second cell.
  • the device 2600 may also include:
  • the common channel resources include common physical uplink shared channel (PUSCH) resources;
  • the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resource includes the PUSCH resource used to send the four-step random access msg3 or the MsgA PUSCH resource used to send the two-step contention random access, and the common PUSCH resource is sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access, and the dedicated PUSCH resource is sent by a dedicated RRC message of the first cell; or, the dedicated PUSCH resource is sent by a dedicated downlink control information ( DCI) scheduling.
  • DCI downlink control information
  • the dedicated PRACH resources include dedicated random access preambles and/or dedicated random access opportunities.
  • the request information is carried by a radio resource control (RRC) message, a MAC control element (CE) or a random access preamble.
  • RRC radio resource control
  • CE MAC control element
  • the apparatus may further include: a third sending unit, which sends to the terminal device the uplink message that the terminal device uses to request to send the broadcast information of the second cell resource information.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • An embodiment of the present application provides a terminal device, where the terminal device includes the apparatus for receiving broadcast information as described in Embodiment 5.
  • FIG. 27 is a schematic block diagram of the system configuration of a terminal device according to Embodiment 9 of the present invention.
  • a terminal device 2700 may include a processor 2710 and a memory 2720 ; the memory 2720 is coupled to the processor 2710 . It is worth noting that this figure is exemplary; other types of structures may also be used in addition to or instead of this structure to implement telecommunications functions or other functions.
  • the function of the apparatus for receiving broadcast information may be integrated into the processor 2710 .
  • the processor 2710 may be configured to: receive the uplink resource information sent by the first cell for the terminal device to request to send the broadcast information of the second cell; request to send the broadcast information of the second cell according to the uplink resource information; and receive the The broadcast information sent by the second cell.
  • the broadcast information receiving device can be configured separately from the processor 2710, for example, the broadcast information receiving device can be configured as a chip connected to the processor 2710, and the broadcast information can be received through the control of the processor 2710. function of the device.
  • the terminal device 2700 may further include: a communication module 2730 , an input unit 2740 , a display 2750 , and a power supply 2760 . It should be noted that the terminal device 2700 does not necessarily include all components shown in FIG. 27 ; in addition, the terminal device 2700 may also include components not shown in FIG. 27 , and reference may be made to related technologies.
  • the processor 2710 is sometimes also referred to as a controller or an operation control, and may include a microprocessor or other processor devices and/or logic devices.
  • the processor 2710 receives input and controls the various components of the terminal device 2700. operate.
  • the memory 2720 may be, for example, one or more of a cache, a flash memory, a hard drive, a removable medium, a volatile memory, a non-volatile memory, or other suitable devices.
  • Various data can be stored, and programs for executing related information can also be stored.
  • the processor 2710 can execute the program stored in the memory 2720 to implement information storage or processing.
  • the functions of other components are similar to those in the prior art, and will not be repeated here.
  • Each component of the terminal device 2700 may be implemented by dedicated hardware, firmware, software or a combination thereof without departing from the scope of the present invention.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • Fig. 28 is a schematic block diagram of the system configuration of the network device according to Embodiment 10 of the present invention.
  • a network device 2800 may include: a processor (processor) 2810 and a memory 2820 ; the memory 2820 is coupled to the processor 2810 .
  • the memory 2820 can store various data; in addition, it also stores an information processing program 2830, and executes the program 2830 under the control of the processor 2810 to receive various information sent by the terminal equipment and send various information to the terminal equipment .
  • the broadcast information receiving device can be configured separately from the processor 2810, for example, the broadcast information receiving device can be configured as a chip connected to the processor 2810, and the broadcast information can be received through the control of the processor 2810. function of the device.
  • the network device 2800 may further include: a transceiver 2840, an antenna 2850, etc.; wherein, the functions of the above components are similar to those of the prior art, and will not be repeated here. It should be noted that the network device 2800 does not necessarily include all the components shown in FIG. 28 ; in addition, the network device 2800 may also include components not shown in FIG. 28 , and reference may be made to the prior art.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • An embodiment of the present application provides a network device, and the network device includes the apparatus for sending broadcast information as described in Embodiment 7.
  • Fig. 29 is a schematic block diagram of the system configuration of the network device according to the eleventh embodiment of the present invention.
  • a network device 2900 may include: a processor (processor) 2910 and a memory 2920 ; the memory 2920 is coupled to the processor 2910 .
  • the memory 2920 can store various data; in addition, it also stores an information processing program 2930, and executes the program 2930 under the control of the processor 2910 to receive various information sent by the terminal equipment and send various information to the terminal equipment .
  • the function of the device for sending broadcast information may be integrated into the processor 2910 .
  • the processor 2810 may be configured to: receive request information from a terminal device or a network device to which the third cell belongs to request sending the broadcast information of the second cell; and send the broadcast information to the terminal device.
  • the device for sending broadcast information can be configured separately from the processor 2910, for example, the device for sending broadcast information can be configured as a chip connected to the processor 2910, and the sending of broadcast information can be realized through the control of the processor 2910. function of the device.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • An embodiment of the present application provides a network device, where the network device includes the apparatus for receiving broadcast information as described in Embodiment 8.
  • Fig. 30 is a schematic block diagram of the system configuration of the network device according to the twelfth embodiment of the present invention.
  • a network device 3000 may include: a processor (processor) 3010 and a memory 3020 ; the memory 3020 is coupled to the processor 3010 .
  • the memory 3020 can store various data; in addition, it also stores an information processing program 3030, and executes the program 3030 under the control of the processor 3010 to receive various information sent by the terminal equipment and send various information to the terminal equipment .
  • the function of the apparatus for receiving broadcast information may be integrated into the processor 3010 .
  • the processor 3010 may be configured to: receive request information sent by the terminal device requesting to send the broadcast information of the second cell.
  • the broadcast information receiving device can be configured separately from the processor 3010, for example, the broadcast information receiving device can be configured as a chip connected to the processor 3010, and the broadcast information reception can be realized through the control of the processor 3010 function of the device.
  • the network device 3000 may further include: a transceiver 3040 and an antenna 3050 ; wherein, the functions of the above components are similar to those of the prior art, and will not be repeated here. It should be noted that the network device 3000 does not necessarily include all the components shown in FIG. 30 ; in addition, the network device 3000 may also include components not shown in FIG. 30 , and reference may be made to the prior art.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • An embodiment of the present application provides a communication system, including the terminal device described in Embodiment 9, the network device described in Embodiment 10, the network device described in Embodiment 11, and the network described in Embodiment 12 at least one of the devices.
  • the structure of the communication system can refer to FIG. 1.
  • the communication system 100 includes a first network device 101, a second network device 102, and a user device 103.
  • the devices are the same, the first network device 101 is the same as the network device described in Embodiment 10, the second network device 102 is the same as the network device described in Embodiment 11, and the repeated content will not be repeated.
  • the structure of the communication system can refer to FIG. 2.
  • the communication system 100' includes a first network device 101, a second network device 102, and a terminal device 103, and also includes a third network device 104,
  • the terminal device 102 may be the same as the terminal device described in Embodiment 9
  • the first network device 101 is the same as the network device described in Embodiment 10
  • the second network device 102 is the same as the network device described in Embodiment 11
  • the second network device 101 is the same as the network device described in Embodiment 10.
  • the device 102 is the same as the network device described in Embodiment 12, and the repeated content will not be repeated.
  • the terminal device receives the uplink resource information sent by the first cell, sends the broadcast information of the second cell through the uplink resource request indicated by the uplink resource information, and receives the broadcast information sent by the second cell. Therefore, the terminal device It is able to camp on the second cell or complete synchronization to the second cell after receiving the broadcast information.
  • the above devices and methods in the embodiments of the present application may be implemented by hardware, or may be implemented by combining hardware with software.
  • the embodiments of the present application relate to such a computer-readable program.
  • the logic component can realize the above-mentioned devices or components, or the logic component can realize the above-mentioned various components. a method or steps.
  • Embodiments of the present application also relate to storage media for storing the above programs, such as hard disks, magnetic disks, optical disks, DVDs, flash memories, and the like.
  • the method/device described in conjunction with the embodiments of the present application may be directly embodied as hardware, a software module executed by a processor, or a combination of both.
  • one or more of the functional block diagrams shown in FIG. 23 and/or one or more combinations of the functional block diagrams may correspond to each software module or each hardware module of the computer program flow.
  • These software modules may respectively correspond to the steps shown in FIG. 3 .
  • These hardware modules for example, can be realized by solidifying these software modules by using a Field Programmable Gate Array (FPGA).
  • FPGA Field Programmable Gate Array
  • a software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM or any other form of storage medium known in the art.
  • a storage medium can be coupled to the processor such that the processor can read information from, and write information to, the storage medium, or it can be an integral part of the processor.
  • the processor and storage medium can be located in the ASIC.
  • the software module can be stored in the memory of the mobile terminal, or can be stored in a memory card that can be inserted into the mobile terminal.
  • the software module can be stored in the MEGA-SIM card or large-capacity flash memory device.
  • One or more and/or one or more combinations of the functional blocks described in FIG. 23 can be implemented as a general-purpose processor, a digital signal processor (DSP) for performing the functions described in the present invention. ), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or any suitable combination thereof.
  • DSP digital signal processor
  • ASICs application specific integrated circuits
  • FPGAs field programmable gate arrays
  • One or more of the functional blocks described in FIG. 23 and/or one or more combinations of the functional blocks can also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, a plurality of microprocessors processor, one or more microprocessors in communication with a DSP, or any other such configuration.
  • a receiving device for broadcast information used for terminal equipment, said device comprising:
  • a first receiving unit configured to receive uplink resource information sent by the first cell for the terminal device to request to send broadcast information of the second cell;
  • a second receiving unit configured to receive the broadcast information sent by the second cell.
  • a first determining unit which determines to request all the reference signals of the second cell when the terminal device detects that the reference signal quality of the second cell is higher than a first threshold and the terminal device cannot camp on any cell broadcast information.
  • a second determining unit configured to determine to request the broadcast information of the second cell when the terminal device needs to perform downlink synchronization with the second cell.
  • the first determination unit or the second determination unit determines to request broadcast information corresponding to the second beam of the second cell.
  • the broadcast information includes at least one of the following: a physical broadcast channel (PBCH) payload, a master information block (MIB), and a system information block ( SIB).
  • PBCH physical broadcast channel
  • MIB master information block
  • SIB system information block
  • the uplink resource information is information about common channel resources or dedicated channel resources of the third cell.
  • a third receiving unit configured to receive a cell identity of a second cell indicated by the first cell that can be requested by the terminal device to send the broadcast information.
  • the first requesting unit uses the public Physical Uplink Shared Channel (PUSCH) resource or the dedicated PUSCH resource of the third cell indicated by the uplink resource information to send the bearer
  • PUSCH Public Physical Uplink Shared Channel
  • RRC radio resource control
  • CE MAC control element
  • the common PUSCH resource includes a PUSCH resource for sending four-step random access msg3 or a MsgA PUSCH resource for sending two-step contention random access, and the common PUSCH resource The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • radio resource control (RRC) message or the MAC CE includes at least one of the following information:
  • the broadcast information type requested by the terminal device to be sent wherein the broadcast information type includes PBCH payload, MIB or SIB.
  • the first request unit uses the dedicated physical random access channel (PRACH) resource of the third cell indicated by the uplink resource information to request to send the broadcast information of the second cell, so that the third cell belongs to The network device requests to send the broadcast information of the second cell.
  • PRACH dedicated physical random access channel
  • the dedicated PRACH resources include PRACH resources used to send msg1 of non-contention random access or PRACH resources used to send MsgA of two-step non-contention random access.
  • the used random access preamble and/or dedicated random access opportunity is directed to the second cell.
  • the first requesting unit uses the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second cell to request to send the broadcast information of the second cell, so that the third cell
  • the network device to which it belongs requests to send the broadcast information of the second cell.
  • the dedicated random access preamble and/or the dedicated random access opportunity is also directed to a synchronization signal block (SSB) of the third cell.
  • SSB synchronization signal block
  • the first requesting unit determines a second cell requesting to send broadcast information; the first requesting unit selects a synchronization signal block (SSB) of the third cell whose received power is greater than a third threshold;
  • SSB synchronization signal block
  • the first request unit uses the SSB of the third cell and the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second cell to request to send the broadcast information of the second cell , so that the network device to which the third cell belongs requests to send the broadcast information of the second cell.
  • the first request unit uses the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second beam of the second cell to request to send the broadcast information of the second cell, so that the The network device to which the third cell belongs requests to send the broadcast information corresponding to the second beam of the second cell.
  • the first requesting unit determines a second cell requesting to send broadcast information and a second beam of the second cell
  • the first request unit uses the SSB of the third cell and the dedicated random access preamble and/or dedicated random access opportunity corresponding to the second beam of the second cell to request to send the broadcasting information, so that the network device to which the third cell belongs requests to send the broadcast information corresponding to the second beam of the second cell.
  • the dedicated random access preamble resources and/or dedicated random access opportunities correspond to the type of broadcast information requested to be sent by the terminal device, Wherein, the broadcast information type includes PBCH payload, MIB or SIB.
  • the uplink resource information is information about common channel resources or dedicated channel resources of the second cell.
  • the first request unit uses the public physical uplink shared channel (PUSCH) resource or dedicated PUSCH resource of the second cell indicated by the uplink resource information to send a radio resource control (RRC) message or MAC control message carrying the request unit (CE).
  • RRC radio resource control
  • CE MAC control
  • the common PUSCH resource includes a PUSCH resource for sending four-step random access msg3 or a MsgA PUSCH resource for sending two-step contention random access, and the common PUSCH The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA for two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • radio resource control (RRC) message or the MAC CE includes at least one of the following information:
  • the terminal device requests a second beam index of the second cell for sending broadcast information
  • the broadcast information type requested by the terminal device to be sent wherein the broadcast information type includes PBCH payload, MIB or SIB.
  • the first requesting unit requests to send the broadcast information of the second cell by using the dedicated physical random access channel (PRACH) resource of the second cell indicated by the uplink resource information.
  • PRACH dedicated physical random access channel
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity for the first beam of the second cell.
  • the first request unit determines to request the second cell to send broadcast information
  • the first request unit selects a first beam of the second cell whose received power is greater than a fourth threshold
  • the first requesting unit requests to send the broadcast information of the second cell by using the dedicated random access preamble and/or dedicated random access opportunity corresponding to the first beam of the second cell.
  • the first requesting unit determines a second beam of the second cell requesting to send broadcast information
  • the first request unit uses the dedicated random access preamble and/or dedicated random access opportunity corresponding to the first beam of the second cell and the second beam of the second cell to request to send the second broadcast information of the cell, so as to request to send the broadcast information corresponding to the second beam.
  • the dedicated random access preamble resources and/or dedicated random access opportunities correspond to the type of broadcast information requested to be sent by the terminal device, Wherein, the broadcast information type includes PBCH payload, MIB or SIB.
  • a first sending unit configured to send uplink resource information for the terminal device to request to send broadcast information of the second cell to the terminal device.
  • broadcast information includes at least one of the following: Physical Broadcast Channel (PBCH) payload, Master Information Block (MIB) and System Information Block (SIB).
  • PBCH Physical Broadcast Channel
  • MIB Master Information Block
  • SIB System Information Block
  • the uplink resource information is information of common channel resources or dedicated channel resources of the third cell.
  • a first indicating unit which indicates to the terminal device the cell identity of the second cell that can be requested by the terminal device to send the broadcast information.
  • the common PUSCH resources include PUSCH resources for sending four-step random access msg3 or MsgA PUSCH resources for sending two-step contention random access, and the common PUSCH resources The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA for two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity.
  • the used random access preamble and/or dedicated random access opportunity is directed to the second cell.
  • the dedicated random access preamble and/or the dedicated random access opportunity further corresponds to a synchronization signal block (SSB) of the third cell.
  • SSB synchronization signal block
  • the uplink resource information is information about common channel resources or dedicated channel resources of the second cell.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources; the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resources include PUSCH resources for sending four-step random access msg3 or MsgA PUSCH resources for sending two-step contention random access, and the common PUSCH resources The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • the dedicated PRACH resources include PRACH resources used for sending non-contention random access msg1 or PRACH resources used for sending two-step non-contention random access MsgA.
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity.
  • a device for sending broadcast information used for a network device to which a second cell belongs, the device comprising:
  • a fourth receiving unit which receives request information sent by the terminal device or the network device to which the third cell belongs to request to send the broadcast information of the second cell;
  • a second sending unit configured to send the broadcast information to the terminal device.
  • the network device to which the second cell belongs receives the request information from the terminal device requesting to send the broadcast information of the second cell through the uplink resources of the second cell ;
  • the uplink resources include common channel resources or dedicated channel resources.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources; the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • the dedicated PRACH resources include PRACH resources used for sending non-contention random access msg1 or PRACH resources used for sending two-step non-contention random access MsgA.
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity.
  • the request information is carried by a radio resource control (RRC) message, a MAC control element (CE) or a random access preamble.
  • RRC radio resource control
  • CE MAC control element
  • the fifth receiving unit is configured to receive the request information sent by the terminal device to request to send the broadcast information of the second cell.
  • a second requesting unit which requests the network device to which the second cell belongs to send the broadcast information of the second cell.
  • the network device to which the third cell belongs receives the request information from the terminal device requesting to send the broadcast information of the second cell through the uplink resources of the third cell ;
  • the uplink resources include common channel resources or dedicated channel resources.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources; the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resources include PUSCH resources for sending four-step random access msg3 or MsgA PUSCH resources for sending two-step contention random access, and the common PUSCH resources The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • the dedicated PRACH resources include PRACH resources used for sending non-contention random access msg1 or PRACH resources used for sending two-step non-contention random access MsgA.
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity.
  • a third sending unit configured to send to the terminal device the uplink resource information used by the terminal device to request to send the broadcast information of the second cell.
  • a terminal device comprising the apparatus according to any one of supplementary notes 1-35.
  • a network device comprising the device according to any one of supplementary notes 36-56.
  • a network device comprising the device according to any one of supplementary notes 65-74.
  • a communication system comprising a terminal device according to claim 75, a network device according to claim 76, a network device according to claim 77, and a network according to claim 78 at least one of the devices.
  • a method for receiving broadcast information, used for a terminal device comprising:
  • the terminal device determines to request the broadcast of the second cell information.
  • the terminal device determines to request broadcast information corresponding to the second beam of the second cell.
  • the terminal device receives, indicated by the first cell, a cell identity of a second cell that can be requested by the terminal device to send the broadcast information.
  • the terminal device sends a radio resource control (RRC) message carrying the request or a MAC control element ( CE), so that the network device to which the third cell belongs requests to send the broadcast information of the second cell.
  • RRC radio resource control
  • CE MAC control element
  • the common PUSCH resources include PUSCH resources for sending four-step random access msg3 or MsgA PUSCH resources for sending two-step contention random access, and the common PUSCH resources The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA for two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • radio resource control (RRC) message or the MAC CE includes at least one of the following information:
  • the terminal device uses the dedicated physical random access channel (PRACH) resource of the third cell indicated by the uplink resource information to request to send the broadcast information of the second cell, so that the network device to which the third cell belongs requesting to send the broadcast information of the second cell.
  • PRACH dedicated physical random access channel
  • the dedicated PRACH resources include PRACH resources used to send msg1 of non-contention random access or PRACH resources used to send MsgA of two-step non-contention random access.
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity.
  • the used random access preamble and/or dedicated random access opportunity is directed to the second cell.
  • the terminal device determines a second cell requesting to send broadcast information
  • the terminal device determines a second cell requesting to send broadcast information; the terminal device selects a synchronization signal block (SSB) of the third cell whose reception power is greater than a third threshold;
  • SSB synchronization signal block
  • the terminal device uses the SSB of the third cell and the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second cell to request to send the broadcast information of the second cell, so as to making the network device to which the third cell belongs request to send the broadcast information of the second cell.
  • the terminal device uses the dedicated random access preamble and/or the dedicated random access opportunity corresponding to the second beam of the second cell to request to send the broadcast information of the second cell, so that the second The network device to which the three cells belong requests to send the broadcast information corresponding to the second beam of the second cell.
  • the terminal device determines a second cell requesting to send broadcast information and a second beam of the second cell
  • the terminal device selects a synchronization signal block (SSB) of the third cell whose reception power is greater than a third threshold;
  • SSB synchronization signal block
  • the terminal device uses the SSB of the third cell and the dedicated random access preamble and/or dedicated random access opportunity corresponding to the second beam of the second cell to request to send the broadcast information of the second cell so that the network device to which the third cell belongs requests to send the broadcast information corresponding to the second beam of the second cell.
  • the dedicated random access preamble resources and/or dedicated random access opportunities correspond to the type of broadcast information requested to be sent by the terminal device, Wherein, the broadcast information type includes PBCH payload, MIB or SIB.
  • the uplink resource information is information about common channel resources or dedicated channel resources of the second cell.
  • the common PUSCH resource includes a PUSCH resource for sending four-step random access msg3 or a MsgA PUSCH resource for sending two-step contention random access, and the common PUSCH resource The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • radio resource control (RRC) message or the MAC CE includes at least one of the following information:
  • the broadcast information type requested by the terminal device to be sent wherein the broadcast information type includes PBCH payload, MIB or SIB.
  • the terminal device requests to send the broadcast information of the second cell by using the dedicated physical random access channel (PRACH) resource of the second cell indicated by the uplink resource information.
  • PRACH dedicated physical random access channel
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity for the first beam of the second cell.
  • the terminal device determines to request the second cell to send broadcast information
  • the terminal device selects a first beam of the second cell whose received power is greater than a fourth threshold
  • the terminal device uses the dedicated random access preamble and/or dedicated random access opportunity corresponding to the first beam of the second cell to request to send the broadcast information of the second cell.
  • the terminal device determines a second beam of the second cell requesting to send broadcast information
  • the terminal device selects a first beam of the second cell whose received power is greater than a fourth threshold
  • the terminal device uses the dedicated random access preamble and/or dedicated random access opportunity corresponding to the first beam of the second cell and the second beam of the second cell to request to send the broadcast information, to request to send the broadcast information corresponding to the second beam.
  • the dedicated random access preamble resources and/or dedicated random access opportunities correspond to the type of broadcast information requested to be sent by the terminal device, Wherein, the broadcast information type includes PBCH payload, MIB or SIB.
  • a method for receiving broadcast information, used for a network device to which a first cell belongs comprising:
  • the uplink resource information is information about common channel resources or dedicated channel resources of the third cell.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources; the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resources include PUSCH resources for sending four-step random access msg3 or MsgA PUSCH resources for sending two-step contention random access, and the common PUSCH resources The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA for two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • the dedicated PRACH resources include PRACH resources used for sending non-contention random access msg1 or PRACH resources used for sending two-step non-contention random access MsgA.
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity.
  • the used random access preamble and/or dedicated random access opportunity is directed to the second cell.
  • the uplink resource information is information about common channel resources or dedicated channel resources of the second cell.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources; the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resources include PUSCH resources for sending four-step random access msg3 or MsgA PUSCH resources for sending two-step contention random access, and the common PUSCH resources The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA for two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • the dedicated PRACH resources include PRACH resources used for sending non-contention random access msg1 or PRACH resources used for sending two-step non-contention random access MsgA.
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity.
  • the network device to which the second cell belongs receives the request information from the terminal device requesting to send the broadcast information of the second cell through the uplink resource of the second cell ;
  • the uplink resources include common channel resources or dedicated channel resources.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources; the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resource includes a PUSCH resource for sending four-step random access msg3 or a MsgA PUSCH resource for sending two-step contention random access, and the common PUSCH resource
  • the resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA of two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • the dedicated PRACH resources include PRACH resources used for sending non-contention random access msg1 or PRACH resources used for sending two-step non-contention random access MsgA.
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity.
  • the request information is carried by a radio resource control (RRC) message, a MAC control element (CE) or a random access preamble.
  • RRC radio resource control
  • CE MAC control element
  • the network device to which the third cell belongs receives the request information from the terminal device requesting to send the broadcast information of the second cell through the uplink resource of the third cell ;
  • the uplink resources include common channel resources or dedicated channel resources.
  • the common channel resources include common physical uplink shared channel (PUSCH) resources; the dedicated channel resources include dedicated PUSCH resources or dedicated physical random access channel (PRACH) resources.
  • PUSCH physical uplink shared channel
  • PRACH dedicated physical random access channel
  • the common PUSCH resources include PUSCH resources for sending four-step random access msg3 or MsgA PUSCH resources for sending two-step contention random access, and the common PUSCH resources The resources are sent by the broadcast information of the first cell.
  • the dedicated PUSCH resource includes a PUSCH resource for sending MsgA for two-step non-contention random access
  • the dedicated PUSCH resource is provided by the dedicated RRC message of the first cell or, the dedicated PUSCH resource is scheduled by dedicated downlink control information (DCI).
  • DCI dedicated downlink control information
  • the dedicated PRACH resource includes a dedicated random access preamble and/or a dedicated random access opportunity.
  • the request information is carried by a radio resource control (RRC) message, a MAC control element (CE) or a random access preamble.
  • RRC radio resource control
  • CE MAC control element

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

Abstract

L'invention concerne un appareil et un procédé de réception d'informations de diffusion, et un appareil et un procédé de transmission d'informations de diffusion. Le procédé comprend les étapes suivantes : réception d'informations de ressource de liaison montante transmises par une première cellule pour un dispositif terminal demandant de transmettre des informations de diffusion d'une seconde cellule ; transmission des informations de diffusion de la seconde cellule selon la demande d'informations de ressource de liaison montante ; et réception des informations de diffusion transmises par la seconde cellule.
PCT/CN2021/125094 2021-10-20 2021-10-20 Appareil et procédé de réception d'informations de diffusion, et appareil et procédé de transmission d'informations de diffusion WO2023065179A1 (fr)

Priority Applications (1)

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PCT/CN2021/125094 WO2023065179A1 (fr) 2021-10-20 2021-10-20 Appareil et procédé de réception d'informations de diffusion, et appareil et procédé de transmission d'informations de diffusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/125094 WO2023065179A1 (fr) 2021-10-20 2021-10-20 Appareil et procédé de réception d'informations de diffusion, et appareil et procédé de transmission d'informations de diffusion

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108271210A (zh) * 2016-12-30 2018-07-10 华为技术有限公司 通信方法和通信设备
CN109314897A (zh) * 2018-09-06 2019-02-05 北京小米移动软件有限公司 系统信息发送和接收方法、装置、设备及系统
WO2020183096A1 (fr) * 2019-03-11 2020-09-17 Orange Procédé de communication d'informations système et dispositifs correspondant
CN113365261A (zh) * 2017-01-05 2021-09-07 日本电气株式会社 源无线接入网节点、无线终端及其方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108271210A (zh) * 2016-12-30 2018-07-10 华为技术有限公司 通信方法和通信设备
CN113365261A (zh) * 2017-01-05 2021-09-07 日本电气株式会社 源无线接入网节点、无线终端及其方法
CN109314897A (zh) * 2018-09-06 2019-02-05 北京小米移动软件有限公司 系统信息发送和接收方法、装置、设备及系统
WO2020183096A1 (fr) * 2019-03-11 2020-09-17 Orange Procédé de communication d'informations système et dispositifs correspondant

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