WO2022017502A1 - Procédé et appareil d'acquisition d'informations de système, procédé et appareil de traitement d'informations de système et terminal - Google Patents

Procédé et appareil d'acquisition d'informations de système, procédé et appareil de traitement d'informations de système et terminal Download PDF

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Publication number
WO2022017502A1
WO2022017502A1 PCT/CN2021/108163 CN2021108163W WO2022017502A1 WO 2022017502 A1 WO2022017502 A1 WO 2022017502A1 CN 2021108163 W CN2021108163 W CN 2021108163W WO 2022017502 A1 WO2022017502 A1 WO 2022017502A1
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WIPO (PCT)
Prior art keywords
system information
message
direct communication
communication interface
relay terminal
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PCT/CN2021/108163
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English (en)
Chinese (zh)
Inventor
赵亚利
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大唐移动通信设备有限公司
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Publication of WO2022017502A1 publication Critical patent/WO2022017502A1/fr

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-mode setup

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a system information acquisition method, processing method, device, and terminal.
  • the traditional wireless communication adopts the cellular network communication mode, that is, the terminal and the network side equipment transmit uplink and downlink data or control information through the Uu interface.
  • Direct communication refers to the way that adjacent terminals can transmit data through a direct communication link (also known as Sidelink or PC5) within a short range.
  • the wireless interface corresponding to the Sidelink link is called the direct communication interface (also called the Sidelink interface or the PC5 interface).
  • the relay itself may be a terminal with a relay function.
  • the interface between the relay and the network uses the Uu interface, and the remote terminal (that is, the UE served by the relay, also called the relayed terminal)
  • the interface between the two uses the direct communication interface.
  • the link between the L2 relay and the network can be called a backhaul link for the remote terminal.
  • the system information acquisition method of the remote terminal is as follows:
  • the network can configure whether the relay terminal is allowed to forward system messages to the remote terminal. If the relay terminal is allowed to forward the system message to the remote terminal, after receiving the system message on the Uu interface, the relay terminal can transfer the master system information block (MasterInformationBlock, MIB), system information block 1 (SystemInformationBlock1, SIB1) and direct communication The relevant SIB is forwarded to the remote terminal through broadcast or multicast.
  • MasterInformationBlock MIB
  • system information block 1 SystemInformationBlock1, SIB1
  • direct communication The relevant SIB is forwarded to the remote terminal through broadcast or multicast.
  • the purpose of the embodiments of the present disclosure is to provide a system information acquisition method, processing method, device and terminal, so as to solve the problem that the system message direct forwarding method of the related LTE relay system is not applicable to 5G and future relay communication systems .
  • an embodiment of the present disclosure provides a system information acquisition method, which is applied to a remote terminal, including:
  • the first system information block or the first system information message sent by the relay terminal according to the first indication information is received.
  • sending the first indication information to the relay terminal through the direct communication interface includes:
  • the first indication information includes: the serial number of at least one first system information block or the serial number of at least one first system information message;
  • the first indication information includes bitmap bitmap information, and the at least one first system information block or at least one first system information message is indicated by the bitmap of the bitmap information.
  • the first indication information further includes at least one of the following:
  • the source identifier of the direct communication interface of the remote terminal
  • the target identifier of the direct communication interface of the remote terminal is the target identifier of the direct communication interface of the remote terminal.
  • the method before sending the first indication information to the relay terminal through the direct communication interface, the method further includes:
  • the obtaining the second indication information from the relay terminal through the direct communication interface includes:
  • the dedicated signaling for the direct communication interface sent by the relay terminal, where the dedicated signaling for the direct communication interface carries the second indication information, where the dedicated signaling is RRC signaling, MAC signaling or physical layer signaling.
  • the transmission mode of each system information message of the Uu interface of the relay terminal includes: broadcast transmission or transmission based on request on-demand.
  • the first indication information only includes the first system information block or the first system information message that the remote terminal is interested in and the transmission mode of the Uu interface is on-demand.
  • the sending the first indication information to the relay terminal through the direct communication interface includes:
  • the first indication information is sent to the relay terminal through the direct communication interface; wherein the first condition includes at least one of the following:
  • the system information block or system information message that the remote terminal is interested in is changed;
  • the system information valid area of the remote terminal is changed
  • the system information block or the system information message stored by the remote terminal is invalid.
  • Embodiments of the present disclosure also provide a method for processing system information, which is applied to a relay terminal, including:
  • first indication information sent by the remote terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message;
  • the first system information block or the first system information message is sent to the remote terminal.
  • the receiving the first indication information sent by the remote terminal through the direct communication interface includes:
  • the first indication information includes: the serial number of at least one first system information block or the serial number of at least one first system information message;
  • the first indication information includes bitmap bitmap information, and the at least one first system information block or at least one first system information message is indicated by the bitmap of the bitmap information.
  • the first indication information further includes at least one of the following:
  • the source identifier of the direct communication interface of the remote terminal
  • the target identifier of the direct communication interface of the remote terminal is the target identifier of the direct communication interface of the remote terminal.
  • the method before receiving the first indication information sent by the remote terminal through the direct communication interface, the method further includes:
  • the sending the second indication information to the remote terminal through the direct communication interface includes:
  • the direct communication interface dedicated signaling carries the second indication information, where the dedicated signaling is RRC signaling, MAC signaling or physical layer signaling.
  • the transmission mode of each system information message of the Uu interface of the relay terminal includes: broadcast transmission or transmission based on request on-demand.
  • the first indication information only includes the first system information block or the first system information message that the remote terminal is interested in and the transmission mode of the Uu interface is on-demand.
  • sending a first system information block or a first system information message to the remote terminal according to the first indication information includes:
  • the relay terminal If the relay terminal stores the first system information block or the first system information message and the first system information block or the first system information message is valid, the relay terminal sends the A first system information block or a first system information message.
  • sending the first system information block or the first system information message to the remote terminal includes:
  • the The relay terminal sends a request message to the network side device through the Uu interface, where the request message is used to request the first system information block or the first system information message;
  • the first system information block or the first system information message is forwarded to the remote terminal.
  • sending the first system information block or the first system information message to the remote terminal includes:
  • the dedicated signaling carries the first system information block or the first system information message, where the dedicated signaling is RRC signaling, MAC signaling, or physical layer signaling.
  • the method also includes:
  • An embodiment of the present disclosure further provides a system information acquisition device, which is applied to a remote terminal, including:
  • a first sending module configured to send first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message;
  • the first receiving module is configured to receive the first system information block or the first system information message sent by the relay terminal according to the first indication information.
  • An embodiment of the present disclosure further provides a terminal, where the terminal is a remote terminal, and the terminal includes: a transceiver, a memory, a processor, and program instructions stored in the memory and executable on the processor,
  • the transceiver receives and transmits data under the control of a processor, which is used to read program instructions in the memory and perform the following operations:
  • the first system information block or the first system information message sent by the relay terminal according to the first indication information is received.
  • processor is also used to read program instructions in the memory, and perform the following operations:
  • the first indication information includes: the serial number of at least one first system information block or the serial number of at least one first system information message;
  • the first indication information includes bitmap bitmap information, and the at least one first system information block or at least one first system information message is indicated by the bitmap of the bitmap information.
  • processor is also used to read program instructions in the memory, and perform the following operations:
  • the transmission mode of each system information message of the Uu interface of the relay terminal includes: broadcast transmission or transmission based on request on-demand.
  • processor is also used to read program instructions in the memory, and perform the following operations:
  • the first indication information is sent to the relay terminal through the direct communication interface; wherein the first condition includes at least one of the following:
  • the system information block or system information message that the remote terminal is interested in is changed;
  • the system information valid area of the remote terminal is changed
  • the system information block or the system information message stored by the remote terminal is invalid.
  • Embodiments of the present disclosure further provide a system information processing apparatus, which is applied to a relay terminal, including:
  • a second receiving module configured to receive first indication information sent by the remote terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message;
  • the second sending module is configured to send the first system information block or the first system information message to the remote terminal according to the first indication information.
  • An embodiment of the present disclosure further provides a terminal, where the terminal is a relay terminal, and the terminal includes: a transceiver, a memory, a processor, and program instructions stored in the memory and executable on the processor,
  • the transceiver receives and transmits data under the control of a processor, which is used to read program instructions in the memory and perform the following operations:
  • first indication information sent by the remote terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message;
  • the first system information block or the first system information message is sent to the remote terminal.
  • processor is also used to read program instructions in the memory, and perform the following operations:
  • the relay terminal If the relay terminal stores the first system information block or the first system information message and the first system information block or the first system information message is valid, the relay terminal sends the A first system information block or a first system information message.
  • processor is also used to read program instructions in the memory, and perform the following operations:
  • the The relay terminal sends a request message to the network side device through the Uu interface, where the request message is used to request the first system information block or the first system information message;
  • the first system information block or the first system information message is forwarded to the remote terminal.
  • processor is also used to read program instructions in the memory, and perform the following operations:
  • Embodiments of the present disclosure further provide a readable storage medium, where program instructions are stored on the readable storage medium, and when the program instructions are executed by a processor, the steps of the above-described method for acquiring system information are implemented; or, the program The instructions, when executed by the processor, implement the steps of the method for processing system information as described above.
  • the remote terminal sends first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one piece of first system information
  • the block or at least one first system information message can ensure that the remote terminal connected to the network through the relay terminal can obtain the required system information.
  • FIG. 1 shows a flowchart of steps of a method for acquiring system information provided by an embodiment of the present disclosure
  • FIG. 2 shows a flowchart of steps of a method for processing system information provided by an embodiment of the present disclosure
  • FIG. 3 is an interactive schematic diagram of Example 1 provided by an embodiment of the present disclosure
  • Example 4 shows one of the schematic diagrams of the MAC CE carrying the first indication information in Example 1 provided by the embodiments of the present disclosure
  • Example 5 shows the second schematic diagram of the MAC CE carrying the first indication information in Example 1 provided by the embodiments of the present disclosure
  • FIG. 6 is an interactive schematic diagram of Example 2 provided by an embodiment of the present disclosure.
  • FIG. 7 is an interactive schematic diagram of Example 3 provided by an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of an apparatus for obtaining system information provided by an embodiment of the present disclosure.
  • FIG. 9 shows one of the schematic structural diagrams of a terminal provided by an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of an apparatus for processing system information provided by an embodiment of the present disclosure.
  • FIG. 11 shows the second schematic structural diagram of a terminal provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for acquiring system information, which is applied to a remote terminal, including:
  • Step 11 Send first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one first system information block (System Information Block, SIB) or at least one first system information message (System Information Block). Information message, SI message); the first system information block or the first system information message can be a system information block or a system information message that the remote terminal is interested in;
  • SIB System Information Block
  • SI Block System Information Block
  • Step 12 Receive the first system information block or the first system information message sent by the relay terminal according to the first indication information.
  • the first system information block or the first system information message mentioned in the embodiment of the present disclosure is the system information or the system information message of the Uu interface of the relay terminal corresponding to the remote UE.
  • step 11 includes:
  • step 11 includes:
  • step 11 includes:
  • the first indication information includes: the number of at least one first system information block or the number of at least one first system information message;
  • the first indication information includes bitmap bitmap information
  • the at least one first system information block or at least one first system information message is indicated by the bitmap of the bitmap information.
  • the first indication information further includes at least one of the following:
  • the source identifier of the direct communication interface of the remote terminal
  • the target identifier of the direct communication interface of the remote terminal is the target identifier of the direct communication interface of the remote terminal.
  • the method before step 11, the method further includes:
  • the remote terminal determines, according to the second indication information, the first system information block or the first system information message that it is interested in.
  • the transmission mode of each system information message of the Uu interface of the relay terminal includes: broadcast transmission or transmission based on request on-demand.
  • the obtaining the second indication information from the relay terminal through the direct communication interface includes:
  • the direct communication interface dedicated signaling sent by the relay terminal, where the direct communication interface dedicated signaling carries the second indication information, where the dedicated signaling is RRC signaling, MAC signaling or physical layer signaling.
  • the first indication information only includes the Uu interface transmission mode that the remote terminal is interested in and is interested in.
  • the first system information block or first system information message for on-demand transmissions.
  • step 11 includes:
  • the first indication information is sent to the relay terminal through the direct communication interface; wherein the first condition includes at least one of the following:
  • the remote terminal receives third indication information notifying the system information update; for example, a paging message;
  • the system information block or system information message that the remote terminal is interested in is changed;
  • the system information valid area of the remote terminal is changed
  • the system information block or the system information message stored by the remote terminal is invalid.
  • the remote terminal sends the first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message, It can be ensured that the remote terminal connected to the network through the relay terminal can obtain the required system information.
  • an embodiment of the present disclosure further provides a method for processing system information, which is applied to a relay terminal, including:
  • Step 21 receiving the first indication information sent by the remote terminal through the direct communication interface, the first indication information is used to request at least one first system information block (System Information Block, SIB) or at least one first system information message (System Information message, SI message); the first system information block or the first system information message can be a system information block or a system information message that the remote terminal is interested in;
  • SIB System Information Block
  • SI message System Information message
  • Step 22 Send the first system information block or the first system information message to the remote terminal according to the first indication information.
  • the first system information block or the first system information message mentioned in the embodiment of the present disclosure is the system information or the system information message of the Uu interface of the relay terminal corresponding to the remote UE.
  • step 21 includes:
  • step 21 includes:
  • step 21 includes:
  • the first indication information includes: the number of at least one first system information block or the number of at least one first system information message;
  • the first indication information includes bitmap bitmap information
  • the at least one first system information block or at least one first system information message is indicated by the bitmap of the bitmap information.
  • the first indication information further includes at least one of the following:
  • the source identifier of the direct communication interface of the remote terminal
  • the target identifier of the direct communication interface of the remote terminal is the target identifier of the direct communication interface of the remote terminal.
  • the method before step 21, the method further includes:
  • the remote terminal determines, according to the second indication information, the first system information block or the first system information message that it is interested in.
  • the transmission mode of each system information message of the Uu interface of the relay terminal includes: broadcast transmission or transmission based on request on-demand.
  • the sending the second indication information to the remote terminal through the direct communication interface includes:
  • the direct communication interface dedicated signaling carries the second indication information, where the dedicated signaling is RRC signaling, MAC signaling or physical layer signaling.
  • the first indication information only includes the Uu interface transmission mode that the remote terminal is interested in and is interested in.
  • the first system information block or first system information message for on-demand transmissions.
  • step 22 includes:
  • the relay terminal If the relay terminal stores the first system information block or the first system information message and the first system information block or the first system information message is valid, the relay terminal sends the A first system information block or a first system information message.
  • step 22 includes:
  • the The relay terminal sends a request message to the network side device through the Uu interface, where the request message is used to request the first system information block or the first system information message;
  • the first system information block or the first system information message is forwarded to the remote terminal.
  • request message may be RRC dedicated signaling, or message 1 (Msg1) of the random access process, or message 3 (Msg3) of the random access process.
  • step 22 includes:
  • the dedicated signaling carries the first system information block or the first system information message, where the dedicated signaling is RRC signaling, MAC signaling, or physical layer signaling.
  • the method further includes:
  • the relay terminal receives the paging message notifying the system information update on the Uu interface
  • the relay terminal obtains the updated first system information block or the first system information message through the Uu interface;
  • the relay terminal sends the updated first system information block or first system information message to the remote terminal through a direct communication interface.
  • the above updating method can ensure that the system information or the system information message received by the remote terminal is the latest system information, thereby ensuring the validity of the system information.
  • the remote terminal sends the first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message,
  • the relay terminal After receiving the first indication information, the relay terminal sends the system information requested by the remote terminal to the remote terminal, which can ensure that the remote terminal connected to the network through the relay terminal can obtain the required system information.
  • Step 1 The remote terminal determines the SIB or SI message of interest.
  • Step 2 The remote terminal sends the first indication information to the relay terminal through the direct communication interface.
  • the transmission modes of the first indication information include the following:
  • the first indication information is carried through direct communication interface control information (Sidelink Control Information, SCI).
  • SCI Seglink Control Information
  • the first indication information includes at least: the source identifier of the direct communication interface of the remote terminal, the target identifier of the direct communication interface of the remote terminal, and the SIB or SI message identifier that the remote terminal is interested in.
  • the specific embodiment of the SIB or SI message identifier that the remote terminal is interested in may be: the SIB or SI number that the remote terminal is interested in, or the bitmap corresponding to the SIB or SI that the remote terminal is interested in.
  • the source identifier of the direct communication interface of the remote terminal may be carried in the Sidelink subheader (subheader) of a Protocol Data Unit (MAC PDU) corresponding to the MAC CE.
  • the target identifier of the direct communication interface of the remote terminal, and the MAC CE carries the SIB or SI message that the remote terminal is interested in.
  • the MAC CE format is shown in Figure 4, and the MAC CE needs to use a specific logical channel identifier (LCID) to identify.
  • the value of SI i is 1, which indicates that the remote terminal is interested in the SI message numbered i (i is 0-31).
  • the MAC CE can also be designed to directly carry the number of the SI message that the remote terminal is interested in. Since the number of the SI message that the remote terminal is interested in may vary, the MAC CE may be a For a variable-length MAC CE, the L field can be used to indicate the length of the MAC CE in the MAC subheader corresponding to the MAC CE.
  • the specific MAC CE format design is shown in Figure 5, which is determined according to the number of SI message numbers that the remote terminal is interested in. The length of the MAC CE.
  • Step 3 The relay terminal determines whether the SI or SI message requested by the remote terminal exists and is valid.
  • the relay terminal receives the first indication information sent by the remote terminal through the direct communication interface. For the SIB or SI message that the remote terminal is interested in, the relay terminal uses the system information validity judgment method to judge whether the SIB or SI message that the remote terminal is interested in is valid according to the system information stored by itself.
  • Step 4 The relay terminal requests the SIB/SI message that the remote terminal is interested in.
  • step 3 is optional and needs to be executed only when the result of the judgment in step 3 is no. If the decision result of step 3 is yes, then go to step 5 directly.
  • the relay terminal can be triggered to pass the Msg1-based message on the Uu interface.
  • SI request system message request based on random access Msg1
  • Msg3-based SI request system message request based on random access Msg3
  • request related SIB or SI message through dedicated RRC signaling of Uu interface.
  • Step 5 The relay terminal sends the SIB or SI message that the remote terminal is interested in to the remote terminal.
  • the relay terminal can directly send the SIB or SI message that the remote terminal is interested in to the remote terminal through the direct communication interface.
  • the specific sending methods are as follows:
  • the broadcast message is carried over the direct communication interface.
  • Step 1 The relay terminal obtains system information through the Uu interface.
  • the system information includes at least MIB and SIB1.
  • SIB1 provides the mapping relationship between other SIBs and SI messages and whether the transmission mode of each SI message is broadcast or on-demand.
  • Step 2 The relay terminal sends second indication information to the remote terminal.
  • the second indication information includes at least one or a combination of the following:
  • the transmission mode of each SI message on the Uu interface of the relay terminal may be but not limited to: broadcast, on-demand mode.
  • the specific manner in which the remote terminal obtains the second indication information from the relay terminal through the direct communication interface may be one of the following:
  • the second indication information is carried in a broadcast message through a direct communication interface.
  • the second indication information is carried through dedicated signaling of the direct communication interface (PC5-RRC message or SL MAC CE or SCI).
  • Step 3 The remote terminal determines the interested SIB or SI message.
  • the remote terminal determines the SIB or SI message of interest depends on the implementation of the remote terminal.
  • the remote terminal obtains the second indication information from the relay terminal through the direct communication interface, then the first indication information is included in the first indication information. It can only carry SIBs or SI messages that the remote terminal is interested in and whose transmission mode is on-demand. Because for the SIB or SI message in the broadcast mode, an optional method is: the relay terminal can directly send it to the remote terminal after receiving it, without the remote terminal requesting.
  • Step 4 The remote terminal sends the first indication information to the relay terminal through the direct communication interface.
  • the triggering condition of the first indication information includes but is not limited to one or a combination of the following:
  • the system information block or system information message that the remote terminal is interested in is changed;
  • the system information valid area of the remote terminal is changed
  • the system information block or the system information message stored by the remote terminal is invalid.
  • the transmission modes of the first indication information include the following:
  • the first indication information is carried through direct communication interface control information (Sidelink Control Information, SCI).
  • SCI Seglink Control Information
  • the first indication information includes at least: the source identifier of the direct communication interface of the remote terminal, the target identifier of the direct communication interface of the remote terminal, and the SIB or SI message identifier that the remote terminal is interested in.
  • the specific embodiment of the SIB or SI message identifier that the remote terminal is interested in may be: the SIB or SI number that the remote terminal is interested in, or the bitmap corresponding to the SIB or SI that the remote terminal is interested in.
  • Step 5 The relay terminal determines whether the SI or SI message requested by the remote terminal exists and is valid.
  • the relay terminal receives the first indication information sent by the remote terminal through the direct communication interface. For the SIB or SI message that the remote terminal is interested in, the relay terminal uses the system information validity judgment method to judge whether the SIB or SI message that the remote terminal is interested in is valid according to the system information stored by itself.
  • Step 6 The relay terminal requests the SIB/SI message that the remote terminal is interested in.
  • step 7 is optional, and needs to be executed only when the result of the judgment in step 5 is no. If the decision result of step 5 is yes, then go to step 7 directly.
  • the relay terminal can be triggered to pass the Msg1-based message on the Uu interface.
  • SI request messages 1 based on system information request
  • Msg3-based SI request messagessage 3 based on system information request
  • request related SIB or SI message through Uu interface RRC signaling.
  • Step 7 The relay terminal sends the SIB or SI message that the remote terminal is interested in to the remote terminal.
  • the relay terminal can directly send the SIB or SI message that the remote terminal is interested in to the remote terminal through the direct communication interface.
  • the specific sending methods are as follows:
  • the broadcast message is carried over the direct communication interface.
  • Example 3 System information update, as shown in Figure 7:
  • Step 1 The network device notifies the relay terminal of system message update through a paging message
  • Step 2 The relay terminal determines the SIB or SI message requested by the remote terminal;
  • Step 3 The relay terminal obtains the updated SIB or SI message requested by the remote terminal through the Uu interface.
  • the relay terminal can directly read the broadcast; for the Uu interface SIB or SI message transmitted in the on-demand mode, the relay terminal can pass the Msg1-based SI message on the Uu interface. request or Msg3-based SI request or request related SIB or SI message through Uu interface RRC signaling.
  • Step 4 The relay terminal notifies the remote terminal of the updated SIB/SI message that the remote terminal is interested in.
  • the relay terminal can directly send the updated SIB or SI message that the remote terminal is interested in to the remote terminal through the direct communication interface.
  • the specific sending methods are as follows:
  • the relay terminal sends a broadcast message to the remote terminal through the direct communication interface, and the broadcast message carries all or part of the content of the SIB or the SI message;
  • the relay terminal sends dedicated signaling (PC5-RRC message or SL MAC CE or SCI) to the remote terminal through the direct communication interface, and the dedicated signaling carries all or part of the SIB or SI message.
  • dedicated signaling PC5-RRC message or SL MAC CE or SCI
  • an embodiment of the present disclosure further provides an apparatus for obtaining system information, which is applied to a remote terminal, including:
  • the first sending module 81 is configured to send first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message;
  • the first receiving module 82 is configured to receive the first system information block or the first system information message sent by the relay terminal according to the first indication information.
  • the first sending module includes:
  • a first sending submodule configured to send a direct communication interface radio resource control PC5-RRC message to the relay terminal, where the PC5-RRC message carries the first indication information
  • the MAC CE For sending the media access control layer control unit MAC CE of the direct communication interface to the relay terminal, the MAC CE carries the first indication information
  • the first indication information includes: the number of at least one first system information block or the number of at least one first system information message;
  • the first indication information includes bitmap bitmap information, and the at least one first system information block or at least one first system information message is indicated by the bitmap of the bitmap information.
  • the first indication information further includes at least one of the following:
  • the source identifier of the direct communication interface of the remote terminal
  • the target identifier of the direct communication interface of the remote terminal is the target identifier of the direct communication interface of the remote terminal.
  • the device further includes:
  • an obtaining module configured to obtain second indication information from the relay terminal through the direct communication interface, where the second indication information includes at least one of the following:
  • the obtaining module includes:
  • an acquisition submodule configured to receive a direct communication interface broadcast message sent by the relay terminal, where the direct communication interface broadcast message carries the second indication information
  • the dedicated signaling for the direct communication interface is RRC signaling, MAC signaling, or physical layer signaling.
  • the transmission mode of each system information message of the Uu interface of the relay terminal includes: broadcast transmission or transmission based on request on-demand.
  • the first indication information only includes the first system information block or the first system information message that the remote terminal is interested in and the transmission mode of the Uu interface is on-demand.
  • the first sending module includes:
  • the second sending submodule is configured to send the first indication information to the relay terminal through the direct communication interface under the condition that the first condition is met; wherein the first condition includes at least one of the following:
  • the system information block or system information message that the remote terminal is interested in is changed;
  • the system information valid area of the remote terminal is changed
  • the system information block or the system information message stored by the remote terminal is invalid.
  • the apparatus for obtaining system information provided by the embodiments of the present disclosure may execute the above method embodiments, and the implementation principles and technical effects thereof are similar, and details are not described herein again in this embodiment.
  • the remote terminal sends the first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message, which can ensure that the The remote terminal connected to the network by the relay terminal can obtain the required system information.
  • the device for obtaining system information provided by the embodiments of the present disclosure is a device capable of executing the above method for obtaining system information, then all the embodiments of the above method for obtaining system information are applicable to the device, and can achieve the same or similar beneficial effect.
  • an embodiment of the present disclosure further provides a terminal, where the terminal is a remote terminal, and the terminal includes: a transceiver 920 , a memory 910 , a processor 900 , and a terminal stored in the memory 910 and available at
  • the program instructions running on the processor 900, the transceiver 920 receives and sends data under the control of the processor 900, and the processor 900 is used to read the program instructions in the memory, and perform the following operations:
  • the first system information block or the first system information message sent by the relay terminal according to the first indication information is received.
  • processor 900 is further configured to read program instructions in the memory, and perform the following operations:
  • the first indication information includes: the number of at least one first system information block or the number of at least one first system information message;
  • the first indication information includes bitmap bitmap information, and the at least one first system information block or at least one first system information message is indicated by the bitmap of the bitmap information.
  • the first indication information further includes at least one of the following:
  • the source identifier of the direct communication interface of the remote terminal
  • the target identifier of the direct communication interface of the remote terminal is the target identifier of the direct communication interface of the remote terminal.
  • processor 900 is further configured to read program instructions in the memory, and perform the following operations:
  • processor 900 is further configured to read program instructions in the memory, and perform the following operations:
  • the dedicated signaling for the direct communication interface sent by the relay terminal, where the dedicated signaling for the direct communication interface carries the second indication information, where the dedicated signaling is RRC signaling, MAC signaling or physical layer signaling.
  • the transmission mode of each system information message of the Uu interface of the relay terminal includes: broadcast transmission or transmission based on request on-demand.
  • the first indication information only includes the first system information block or the first system information message that the remote terminal is interested in and the transmission mode of the Uu interface is on-demand.
  • processor 900 is further configured to read program instructions in the memory, and perform the following operations:
  • the first indication information is sent to the relay terminal through the direct communication interface; wherein the first condition includes at least one of the following:
  • the system information block or system information message that the remote terminal is interested in is changed;
  • the system information valid area of the remote terminal is changed
  • the system information block or the system information message stored by the remote terminal is invalid.
  • the terminal provided by the embodiments of the present disclosure can execute the above method embodiments, and the implementation principles and technical effects thereof are similar, and details are not repeated here in this embodiment.
  • the remote terminal sends the first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message, which can ensure that the The remote terminal connected to the network by the relay terminal can obtain the required system information.
  • the terminal provided by the embodiments of the present disclosure is a terminal capable of executing the above method for acquiring system information, then all the embodiments of the above method for acquiring system information are applicable to the terminal, and can achieve the same or similar beneficial effects .
  • an embodiment of the present disclosure further provides an apparatus for processing system information, which is applied to a relay terminal, including:
  • the second receiving module 101 is used to receive the first indication information sent by the remote terminal through the direct communication interface, and the first indication information is used to request at least one first system information block or at least one first system information message;
  • the second sending module 102 is configured to send the first system information block or the first system information message to the remote terminal according to the first indication information.
  • the second receiving module includes:
  • a second receiving submodule configured to receive a direct communication interface radio resource control PC5-RRC message sent by a remote terminal, where the PC5-RRC message carries the first indication information;
  • the MAC CE For receiving the media access control layer control unit MAC CE of the direct communication interface sent by the remote terminal, the MAC CE carries the first indication information;
  • the SCI is used to receive the direct communication interface control information SCI sent by the remote terminal, where the SCI carries the first indication information.
  • the first indication information includes: the number of at least one first system information block or the number of at least one first system information message;
  • the first indication information includes bitmap bitmap information, and the at least one first system information block or at least one first system information message is indicated by the bitmap of the bitmap information.
  • the first indication information further includes at least one of the following:
  • the source identifier of the direct communication interface of the remote terminal
  • the target identifier of the direct communication interface of the remote terminal is the target identifier of the direct communication interface of the remote terminal.
  • the device further includes:
  • the third sending module is configured to send second indication information to the remote terminal through the direct communication interface, where the second indication information includes at least one of the following:
  • the third sending module includes:
  • a third sending submodule configured to send a direct communication interface broadcast message to the remote terminal, where the direct communication interface broadcast message carries the second indication information
  • the direct communication interface dedicated signaling carries the second indication information, where the dedicated signaling is RRC signaling, MAC signaling, or physical layer signaling. signaling.
  • the transmission mode of each system information message of the Uu interface of the relay terminal includes: broadcast transmission or transmission based on request on-demand.
  • the first indication information only includes the first system information block or the first system information message that the remote terminal is interested in and the transmission mode of the Uu interface is on-demand.
  • the second sending module includes:
  • the fourth sending submodule is configured to, if the relay terminal stores the first system information block or the first system information message and the first system information block or the first system information message is valid, send the message to the relay terminal.
  • the remote terminal sends the first system information block or the first system information message.
  • the second sending module includes:
  • the fifth sending submodule is configured to, if the relay terminal does not store the first system information block or the first system information message, or the first system information block or the first system information block stored by the relay terminal.
  • the relay terminal sends a request message to the network side device through the Uu interface, where the request message is used to request the first system information block or the first system information message;
  • a fourth receiving submodule configured to receive the first system information block or the first system information message sent by the network side device
  • the sixth sending submodule is configured to forward the first system information block or the first system information message to the remote terminal.
  • sending the first system information block or the first system information message to the remote terminal includes:
  • the dedicated signaling carries the first system information block or the first system information message, where the dedicated signaling is RRC signaling, MAC signaling, or physical layer signaling.
  • the device further includes:
  • a paging receiving module configured to receive a paging message notifying system information update at the Uu interface
  • an update acquisition module configured to acquire the updated first system information block or the first system information message through the Uu interface
  • An update sending module configured to send the updated first system information block or first system information message to the remote terminal through a direct communication interface.
  • the apparatus for processing system information provided by the embodiments of the present disclosure can execute the above-mentioned method embodiments, and the implementation principles and technical effects thereof are similar, and details are not described herein again in this embodiment.
  • the remote terminal sends the first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message, which can ensure that the The remote terminal connected to the network by the relay terminal can obtain the required system information.
  • the apparatus for processing system information provided by the embodiments of the present disclosure is an apparatus capable of executing the above-mentioned method for processing system information, and all embodiments of the above-mentioned method for processing system information are applicable to the apparatus, and can achieve same or similar beneficial effects.
  • an embodiment of the present disclosure further provides a terminal, where the terminal is a relay terminal, and the terminal includes: a transceiver 1120 , a memory 1110 , a processor 1100 , and a terminal stored in the memory 1110 and available in The program instructions running on the processor 1100, the transceiver 1120 receives and transmits data under the control of the processor 1100, and the processor 1100 is used to read the program instructions in the memory 1110, and perform the following operations:
  • first indication information sent by the remote terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message;
  • the first system information block or the first system information message is sent to the remote terminal.
  • processor 1110 is further configured to read program instructions in the memory, and perform the following operations:
  • the first indication information includes: the number of at least one first system information block or the number of at least one first system information message;
  • the first indication information includes bitmap bitmap information, and the at least one first system information block or at least one first system information message is indicated by the bitmap of the bitmap information.
  • the first indication information further includes at least one of the following:
  • the source identifier of the direct communication interface of the remote terminal
  • the target identifier of the direct communication interface of the remote terminal is the target identifier of the direct communication interface of the remote terminal.
  • processor 1110 is further configured to read program instructions in the memory, and perform the following operations:
  • processor 1110 is further configured to read program instructions in the memory, and perform the following operations:
  • the direct communication interface dedicated signaling carries the second indication information, where the dedicated signaling is RRC signaling, MAC signaling or physical layer signaling.
  • the transmission mode of each system information message of the Uu interface of the relay terminal includes: broadcast transmission or transmission based on request on-demand.
  • the first indication information only includes the first system information block or the first system information message that the remote terminal is interested in and that the transmission mode of the Uu interface is on-demand.
  • processor 1110 is further configured to read program instructions in the memory, and perform the following operations:
  • the relay terminal If the relay terminal stores the first system information block or the first system information message and the first system information block or the first system information message is valid, the relay terminal sends the A first system information block or a first system information message.
  • processor 1110 is further configured to read program instructions in the memory, and perform the following operations:
  • the The relay terminal sends a request message to the network side device through the Uu interface, where the request message is used to request the first system information block or the first system information message;
  • the first system information block or the first system information message is forwarded to the remote terminal.
  • processor 1110 is further configured to read program instructions in the memory, and perform the following operations:
  • the dedicated signaling carries the first system information block or the first system information message, where the dedicated signaling is RRC signaling, MAC signaling, or physical layer signaling.
  • processor 1110 is further configured to read program instructions in the memory, and perform the following operations:
  • the terminal provided by the embodiments of the present disclosure can execute the above method embodiments, and the implementation principles and technical effects thereof are similar, and details are not described herein again in this embodiment.
  • the remote terminal sends the first indication information to the relay terminal through the direct communication interface, where the first indication information is used to request at least one first system information block or at least one first system information message, which can ensure that the The remote terminal connected to the network by the relay terminal can obtain the required system information.
  • the terminal provided by the embodiments of the present disclosure is a terminal capable of executing the above-mentioned method for processing system information, and all the embodiments of the above-mentioned method for processing system information are applicable to the terminal, and can achieve the same or similar beneficial effect.
  • Embodiments of the present disclosure further provide a readable storage medium, where a program is stored on the readable storage medium, and when the program is executed by a processor, each of the above-described system information acquisition method or system information processing method embodiment is implemented process, and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • Each module, unit, sub-unit or sub-module may be one or more integrated circuits configured to implement the above method, for example: one or more specific integrated circuits (Application Specific Integrated Circuit, ASIC), or, one or more Microprocessor (digital signal processor, DSP), or, one or more Field Programmable Gate Array (Field Programmable Gate Array, FPGA), etc.
  • ASIC Application Specific Integrated Circuit
  • DSP digital signal processor
  • FPGA Field Programmable Gate Array
  • the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processors that can call program codes.
  • CPU central processing unit
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip

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  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

L'invention concerne un procédé et un appareil d'acquisition d'informations de système, un procédé et un appareil de traitement d'informations de système et un terminal. Le procédé comprend les étapes consistant à : envoyer des premières informations d'indication à un terminal relais au moyen d'une interface de communication directe, les premières informations d'indication étant utilisées pour demander au moins un premier bloc d'informations de système ou au moins un premier message d'informations de système ; et recevoir le premier bloc d'informations de système ou le premier message d'informations de système qui est envoyé par le terminal relais en fonction des premières informations d'indication.
PCT/CN2021/108163 2020-07-24 2021-07-23 Procédé et appareil d'acquisition d'informations de système, procédé et appareil de traitement d'informations de système et terminal WO2022017502A1 (fr)

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CN116847314A (zh) * 2022-03-25 2023-10-03 维沃移动通信有限公司 远端终端的识别符的分配方法、装置及终端
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