WO2023173257A1 - 一种请求系统信息的方法及其装置 - Google Patents
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- WO2023173257A1 WO2023173257A1 PCT/CN2022/080726 CN2022080726W WO2023173257A1 WO 2023173257 A1 WO2023173257 A1 WO 2023173257A1 CN 2022080726 W CN2022080726 W CN 2022080726W WO 2023173257 A1 WO2023173257 A1 WO 2023173257A1
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- system information
- terminal device
- remote terminal
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- request message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
Definitions
- the present disclosure relates to the field of communication technology, and in particular, to a method and device for requesting system information.
- the terminal device in the connected state when the terminal device in the connected state does not store valid system information, and the terminal device is on the bandwidth part (BWP) of the public search space that is not configured to search for other system information, the terminal device can Send a system information request Radio Resource Control (RRC) message to the network device.
- RRC Radio Resource Control
- the terminal device when the connected terminal device is on a BWP configured with a public search space for searching other system information, but the network device does not broadcast the system information required by the terminal device, the terminal can also send a system information request RRC to the network device. information.
- Embodiments of the present disclosure provide a method and device for requesting system information.
- the remote terminal device determines that no valid system information is stored, it can send a system information request message containing a required system information identifier to obtain valid system information. , and then communicate based on the obtained effective system information to improve the reliability of remote terminal device communication.
- embodiments of the present disclosure provide a method for requesting system information.
- the method is executed by a remote terminal device.
- the method includes:
- a system information request message is sent, and the request message carries the requested system information identifier.
- the remote terminal device when it determines that valid system information is not stored, it can send a system information request message containing a required system information identifier to obtain valid system information, and then communicate based on the obtained valid system information. Improves the reliability of remote terminal device communication.
- embodiments of the present disclosure provide another method for requesting system information.
- the method is executed by a relay terminal device.
- the method includes:
- the relay terminal device can receive the system information request message sent by the remote terminal device, thereby providing the required system information for the remote terminal device, so that the remote terminal device can communicate based on the obtained effective system information, Improves the reliability of remote terminal device communication.
- embodiments of the present disclosure provide another method for requesting system information.
- the method is executed by a network device, and the method includes:
- the network device can receive the system information request message sent by the remote terminal device, thereby providing the required system information for the remote terminal device, so that the remote terminal device can communicate based on the obtained effective system information, which improves the efficiency Reliability of remote terminal device communication.
- embodiments of the present disclosure provide a communication device, which on the remote terminal equipment side includes:
- the transceiver module is configured to send a system information request message, where the request message carries a system information identifier requested by the terminal device, and no valid system information is stored in the terminal device.
- embodiments of the present disclosure provide a communication device, which on the relay terminal equipment side includes:
- the transceiver module is configured to receive a system information request message sent by a remote terminal device, where the request message carries a requested system information identifier.
- an embodiment of the present disclosure provides a communication device, which on the network device side includes:
- the transceiver module is configured to receive a system information request message sent by a remote terminal device, where the request message carries a requested system information identifier.
- an embodiment of the present disclosure provides a communication device.
- the communication device includes a processor.
- the processor calls a computer program in a memory, it executes the method described in the first aspect.
- an embodiment of the present disclosure provides a communication device.
- the communication device includes a processor.
- the processor calls a computer program in a memory, it executes the method described in the second aspect.
- an embodiment of the present disclosure provides a communication device.
- the communication device includes a processor.
- the processor calls a computer program in a memory, it executes the method described in the third aspect.
- an embodiment of the present disclosure provides a communication device.
- the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the first aspect above.
- an embodiment of the present disclosure provides a communication device.
- the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device Perform the method described in the second aspect above.
- an embodiment of the present disclosure provides a communication device.
- the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device Perform the method described in the third aspect above.
- an embodiment of the present disclosure provides a communication device.
- the device includes a processor and an interface circuit.
- the interface circuit is used to receive code instructions and transmit them to the processor.
- the processor is used to run the code instructions to cause The device performs the method described in the first aspect above.
- an embodiment of the present disclosure provides a communication device.
- the device includes a processor and an interface circuit.
- the interface circuit is used to receive code instructions and transmit them to the processor.
- the processor is used to run the code instructions to cause The device performs the method described in the second aspect above.
- an embodiment of the present disclosure provides a communication device.
- the device includes a processor and an interface circuit.
- the interface circuit is used to receive code instructions and transmit them to the processor.
- the processor is used to run the code instructions to cause The device performs the method described in the third aspect above.
- embodiments of the present disclosure provide a system for requesting system information.
- the system includes the communication devices described in the fourth to sixth aspects, or the system includes the communication devices described in the seventh to ninth aspects.
- device or the system includes the communication device described in the tenth to twelfth aspects, or the system includes the communication device described in the thirteenth to fifteenth aspects.
- embodiments of the present invention provide a computer-readable storage medium for storing instructions used by the above-mentioned terminal device. When the instructions are executed, the terminal device is caused to execute the method described in the first aspect. method.
- embodiments of the present invention provide a readable storage medium for storing instructions used by the above-mentioned network device. When the instructions are executed, the network device is caused to perform the method described in the second aspect. .
- embodiments of the present invention provide a readable storage medium for storing instructions used by the above-mentioned network device. When the instructions are executed, the network device is caused to perform the method described in the third aspect. .
- the present disclosure also provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in the first aspect.
- the present disclosure also provides a computer program product including a computer program, which when run on a computer causes the computer to execute the method described in the second aspect.
- the present disclosure also provides a computer program product including a computer program, which when run on a computer causes the computer to execute the method described in the third aspect.
- the present disclosure provides a chip system.
- the chip system includes at least one processor and an interface for supporting the terminal device to implement the functions involved in the first aspect, for example, determining or processing the functions involved in the above method. At least one of data and information.
- the chip system further includes a memory, and the memory is used to store necessary computer programs and data for the terminal device.
- the chip system may be composed of chips, or may include chips and other discrete devices.
- the present disclosure provides a chip system.
- the chip system includes at least one processor and an interface for supporting network equipment to implement the functions involved in the second aspect, for example, determining or processing the functions involved in the above method. At least one of data and information.
- the chip system further includes a memory, and the memory is used to store necessary computer programs and data for the network device.
- the chip system may be composed of chips, or may include chips and other discrete devices.
- the present disclosure provides a chip system, which includes at least one processor and an interface for supporting a network device to implement the functions involved in the third aspect, for example, determining or processing the functions involved in the above method. At least one of data and information.
- the chip system further includes a memory, and the memory is used to store necessary computer programs and data for the network device.
- the chip system may be composed of chips, or may include chips and other discrete devices.
- the present disclosure provides a computer program that, when run on a computer, causes the computer to perform the method described in the first aspect.
- the present disclosure provides a computer program that, when run on a computer, causes the computer to execute the method described in the second aspect.
- the present disclosure provides a computer program that, when run on a computer, causes the computer to execute the method described in the second aspect.
- Figure 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure
- Figure 2 is a schematic flowchart of a method for requesting system information provided by an embodiment of the present disclosure
- Figure 3 is a schematic flowchart of another method of requesting system information provided by an embodiment of the present disclosure.
- Figure 4 is a schematic flowchart of yet another method of requesting system information provided by an embodiment of the present disclosure
- Figure 5 is a schematic flowchart of yet another method of requesting system information provided by an embodiment of the present disclosure
- Figure 6 is a schematic flowchart of yet another method of requesting system information provided by an embodiment of the present disclosure.
- Figure 7 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure.
- Figure 8 is a schematic structural diagram of another communication device provided by an embodiment of the present disclosure.
- FIG. 9 is a schematic structural diagram of a chip provided by an embodiment of the present disclosure.
- Remote terminal equipment refers to a terminal equipment that is not directly connected to the network equipment, but is connected to the network equipment through another terminal equipment or other relay terminal equipment.
- relay terminal devices that can provide relay functions for remote terminal devices are called relay terminal devices.
- FIG. 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure.
- the communication system may include but is not limited to one network device and one terminal device.
- the number and form of devices shown in Figure 1 are only for examples and do not constitute a limitation on the embodiments of the present disclosure. In actual applications, two or more devices may be included.
- the communication system shown in Figure 1 includes a network device 11, a remote terminal device 12 and a relay terminal device 13 as an example.
- LTE long term evolution
- 5th generation fifth generation
- 5G new radio (NR) system 5th generation new radio
- the network device 11 in the embodiment of the present disclosure is an entity on the network side that is used to transmit or receive signals.
- the network device 11 may be an evolved base station (evolved NodeB, eNB), a transmission point (transmission reception point, TRP), a next generation base station (next generation NodeB, gNB) in an NR system, or other base stations in future mobile communication systems. Or access nodes in wireless fidelity (WiFi) systems, etc.
- the embodiments of the present disclosure do not limit the specific technologies and specific equipment forms used by network equipment.
- the network equipment provided by the embodiments of the present disclosure may be composed of a centralized unit (CU) and a distributed unit (DU).
- the CU may also be called a control unit (control unit).
- the structure can separate the protocol layers of network equipment, such as base stations, and place some protocol layer functions under centralized control on the CU. The remaining part or all protocol layer functions are distributed in the DU, and the CU centrally controls the DU.
- the remote terminal device 12 and a relay terminal device 13 in the embodiment of the present disclosure may be an entity on the user side for receiving or transmitting signals, such as a mobile phone.
- Terminal equipment can also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal equipment (mobile terminal, MT), etc.
- the terminal device can be a car with communication functions, a smart car, a mobile phone, a wearable device, a tablet computer (Pad), a computer with wireless transceiver functions, a virtual reality (VR) terminal device, an augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical surgery, smart grid ( Wireless terminal equipment in smart grid, wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, wireless terminal equipment in smart home, etc.
- the embodiments of the present disclosure do not limit the specific technology and specific equipment form used by the terminal equipment.
- Figure 2 is a schematic flowchart of a method for requesting system information provided by an embodiment of the present disclosure. The method is executed by a remote terminal device. As shown in Figure 2, the method may include but is not limited to the following steps:
- Step 201 In response to the fact that no valid system information is stored in the remote terminal device, a system information request message is sent, and the request message carries the requested system information identifier.
- SIB System information block
- valid system information is not stored, which may be that the SIB is not stored in the remote terminal device, or the version number of the stored SIB is different from the version number of the SIB in the broadcast message, that is, the remote terminal device cannot perform the disclosure. This is not limited.
- the optional system information identifier can be any identification information that can uniquely determine the system information to be requested, for example, it can be SIB1, SIB2, etc., and this disclosure does not limit this.
- the remote terminal device in the connected state can send a system information request message to the network device, or send a system information request message to the network device through the relay terminal device.
- Information request message can be sent to the network device, or send a system information request message to the network device through the relay terminal device.
- the system information request message may be a system information request radio resource control (RRC) message, such as a dedicated SIB request (DedicatedSIBRequest) message.
- RRC system information request radio resource control
- the system information request message can be a sidelink RRC message.
- the remote terminal device can send a system information request message to the relay terminal device.
- the remote terminal device information sidelink (RemoteUEInformationSidelink) message containing the requested system information identifier is used to request the relay terminal device to forward the required system information.
- the remote terminal device determines that no valid SIB is stored in its system, it can obtain the required system information by sending a system information request message, and communicate based on the obtained valid system information, thereby Improves the reliability of remote terminal device communication.
- Figure 3 is a schematic flowchart of a method for requesting system information provided by an embodiment of the present disclosure. The method is executed by a remote terminal device. As shown in Figure 3, the method may include but is not limited to the following steps:
- Step 301 In response to the fact that valid system information is not stored, the blocking timer is not running, and the network device is configured with the first configuration, send a system information request radio resource control RRC message to the network device.
- the first configuration is the on-demand system information request configuration (onDemandSIBRequest).
- the on-demand system information request configuration may include a blocking timer duration, and then the remote terminal device may control the blocking timer based on the blocking timer duration in the on-demand system information request configuration.
- Step 302 Start the blocking timer.
- the terminal device After the terminal device sends the system information request RRC message, it will start the blocking timer, and while the blocking timer is running, it cannot send the system information request RRC message again. Therefore, in the present disclosure, when the remote terminal device determines that valid system information is not stored and the blocking timer is not running, it can determine that the system information request RRC message can currently be sent. At this time, if the network device is configured with the first configuration, that is, the on-demand system information request configuration is obtained, the system information request RRC message may be sent to the network device to request the required system information from the network device side.
- the blocking timer can be a T350 timer.
- the remote terminal device can directly send a DedicatedSIBRequest message to the network device to request the required system information; or it can also forward the relay terminal device to the network device to send a Dedicated SIB Request message to request the required system information. ; Alternatively, a RemoteUEInformationSidelink message may also be sent to the relay terminal device to request the relay terminal device to forward the required system information. This disclosure does not limit this.
- the remote terminal device can obtain the above first configuration through an RRC reconfiguration message. That is, in this disclosure, the remote terminal device can also receive an RRC reconfiguration message sent by the network device, and the reconfiguration message carries the first configuration.
- the remote terminal device in order to avoid resource waste caused by the remote terminal device repeatedly sending system information request RRC messages, it can start the blocking timer after sending the system information request RRC message to the network device, and while the blocking timer is running, System information request RRC messages are no longer sent.
- Step 303 Receive system information corresponding to the system information identifier and stop the blocking timer.
- the remote terminal device can stop the blocking timer, so that when the terminal device needs additional system information, it can promptly send a new system information request RRC message, thereby avoiding This eliminates the delay in sending new system information request RRC messages due to the blocking timer not stopping in time.
- the remote terminal device can receive the system information corresponding to the system information identifier in the RRC reconfiguration message, or receive the system information corresponding to the system information identifier in the system broadcast message; or, in the sidelink RRC message The system information corresponding to the system information identifier is received.
- This disclosure does not limit this.
- the terminal device can perform cell selection or access based on the received system information.
- the remote terminal device when the remote terminal device determines that no valid SIB is stored in its system, the blocking timer is not running, and the network device is configured with the first configuration, it can send a system information request RRC message to the network device. Obtain required system information and communicate based on the obtained effective system information, thereby improving the reliability of communication with the remote terminal device.
- Figure 4 is a schematic flowchart of a method for requesting system information provided by an embodiment of the present disclosure. The method is executed by a remote terminal device. As shown in Figure 4, the method may include but is not limited to the following steps:
- Step 401 In response to the fact that valid system information is not stored, the blocking timer is not running, and the network device is not configured with the first configuration, send a system information request sidelink RRC message to the relay terminal device.
- the remote terminal device when the network device does not configure the first configuration, the remote terminal device cannot send the system information request RRC message to the network device according to the first configuration. At this time, if it is determined that valid system information is not stored, then A system information request sidelink RRC message can be sent to the relay terminal device.
- Step 402 Receive system information corresponding to the system information identifier sent by the relay terminal device.
- the relay terminal device can send the received system information to the remote terminal device through the sidelink RRC message.
- the remote terminal device can send the system information to the remote terminal device through the network information. Forward the side link message (UuMessageTransferSidelink) to receive the system information corresponding to the system information identifier sent by the relay terminal device.
- the remote terminal device when the remote terminal device determines that no valid SIB is stored in its system and the network device is not configured with the first configuration, it can send a system information request sidelink RRC message to the relay terminal device to obtain the required system information. Information is communicated based on the obtained effective system information, thereby improving the reliability of remote terminal device communication.
- Figure 5 is a schematic flowchart of a method for requesting system information provided by an embodiment of the present disclosure. The method is executed by a relay terminal device. As shown in Figure 5, the method may include but is not limited to the following steps:
- Step 501 Receive a system information request message sent by the remote terminal device.
- the request message carries the requested system information identifier.
- the relay terminal device can receive the system information request sent by the remote terminal device through the sidelink RRC message, such as the RemoteUEInformationSidelink message.
- the sidelink RRC message such as the RemoteUEInformationSidelink message.
- the relay terminal device can determine whether the local system information corresponding to the system information identifier is included. If it is included, the system information identifier can be corresponding to the system information identifier. The system information is returned to the remote terminal device.
- the relay terminal device may also request the system information corresponding to the system information identifier from the network device. For example, a relay terminal device can request required system information through the DedicatedSIBRequest message. Afterwards, after receiving the system information corresponding to the system information identifier, the relay terminal device can return the received system information to the remote terminal device. Among them, the relay terminal device can receive the system information corresponding to the system information identifier in the RRC reconfiguration message, or receive the system information corresponding to the system information identifier in the system broadcast message; or, in the sidelink RRC message Receive system information corresponding to the system information identifier. This disclosure does not limit this.
- the relay terminal device may send the system information corresponding to the acquired system information identifier to the remote terminal device through a sidelink RRC message.
- the relay terminal device can send the received system information corresponding to the system information identifier to the remote terminal device through UuMessageTransferSidelink.
- the relay terminal device can forward the system information request message to the remote terminal device according to the needs of the remote terminal device, so that the remote terminal device obtains the required system information and based on the obtained effective system information communicate, thus improving the reliability of communication with remote terminal devices.
- Figure 6 is a schematic flowchart of a method for requesting system information provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Figure 6, the method may include but is not limited to the following steps:
- Step 601 Receive a system information request message sent by the remote terminal device.
- the request message carries the requested system information identifier.
- the network device can request the RRC message through the system information, for example, through the Dedicated SIB Request message to receive the system information request sent by the remote terminal device.
- the network device can also send the system information request RRC message to the network device.
- the remote terminal device sends an RRC reconfiguration message, and the reconfiguration message carries the first configuration for requesting system information.
- the first configuration may be on Demand SIB Request, which is not limited in this disclosure.
- the network device may send the system information corresponding to the system information identifier to the remote terminal device through an RRC reconfiguration message; or it may broadcast the system information corresponding to the system information identifier through a broadcast message.
- the remote terminal device can perform cell selection and access based on the obtained system information.
- the network device can receive the system information request message sent by the remote terminal device, thereby providing the required system information to the remote terminal device, so that the remote terminal device communicates based on the obtained system information, thereby improving Improves the reliability of remote terminal device communication.
- FIG. 7 is a schematic structural diagram of a communication device 700 provided by an embodiment of the present disclosure.
- the communication device 700 shown in FIG. 7 may include a transceiver module 701 and a processing module 702.
- the transceiving module 701 may include a sending module and/or a receiving module.
- the sending module is used to implement the sending function
- the receiving module is used to implement the receiving function.
- the transceiving module 701 may implement the sending function and/or the receiving function.
- the communication device 700 may be a remote terminal device, a device in the remote terminal device, or a device that can be used in conjunction with the remote terminal device.
- the communication device 700 is on the network device side, where:
- the transceiver module 701 is specifically configured to send a system information request message, where the request message carries a system information identifier requested by the terminal device, and no valid system information is stored in the terminal device.
- the blocking timer is not running, and the network device is configured with a first configuration.
- the transceiver module 701 is specifically configured to send a system information request radio resource control RRC message to the network device, where the first configuration is an on-demand system. Information request configuration;
- the above-mentioned processing module 702 is used to start the blocking timer.
- transceiver module 701 is specifically used for:
- processing module 702 is also used to:
- the processing module is also used for:
- the blocking timer After receiving the system information corresponding to the system information identifier in the sidelink RRC message, the blocking timer is stopped.
- transceiver module 1701 is specifically used for:
- the transceiver module is specifically used for:
- the network device is not configured with the first configuration and sends a system information request sidelink RRC message to the relay terminal device.
- the communication device 700 may be a relay terminal device, a device in the relay terminal device, or a device that can be used in conjunction with the relay terminal device.
- the transceiver module 701 is configured to receive a system information request message sent by a remote terminal device, where the request message carries a requested system information identifier.
- transceiver module 701 is also used for:
- the system information corresponding to the obtained system information identifier is sent to the remote terminal device through a sidelink radio resource control RRC message.
- the communication device 700 may be a network device, a device in the network device, or a device that can be used in conjunction with the network device.
- Communication device 700 on the network device side, where:
- the transceiver module 701 is configured to receive a system information request message sent by a remote terminal device, where the request message carries a requested system information identifier.
- the transceiver module 701 is also used for:
- the transceiver module 701 is also used for:
- the system information corresponding to the system information identifier is broadcast through a broadcast message.
- the remote terminal device when the remote terminal device determines that no valid SIB is stored in its system, it can obtain the required system information by sending a system information request message, and communicate based on the obtained effective system information, thereby improving Improves the reliability of remote terminal device communication.
- FIG. 8 is a schematic structural diagram of another communication device provided by an embodiment of the present disclosure.
- the communication device 800 may be a network device, a remote terminal device, a relay terminal device, a chip, a chip system, or a processor that supports the network device to implement the above method, or a supporting terminal device.
- the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
- Communication device 800 may include one or more processors 801.
- the processor 801 may be a general-purpose processor or a special-purpose processor, or the like.
- it can be a baseband processor or a central processing unit.
- the baseband processor can be used to process communication protocols and communication data.
- the central processor can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs. , processing data for computer programs.
- the communication device 800 may also include one or more memories 802, on which a computer program 804 may be stored.
- the processor 801 executes the computer program 804, so that the communication device 800 performs the steps described in the above method embodiments. method.
- the memory 802 may also store data.
- the communication device 800 and the memory 802 can be provided separately or integrated together.
- the communication device 800 may also include a transceiver 805 and an antenna 806.
- the transceiver 805 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
- the transceiver 805 may include a receiver and a transmitter.
- the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
- the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
- the communication device 800 may also include one or more interface circuits 807.
- the interface circuit 807 is used to receive code instructions and transmit them to the processor 801 .
- the processor 801 executes the code instructions to cause the communication device 800 to perform the method described in the above method embodiment.
- the communication device 800 is a remote terminal device: the processor 801 is used to execute steps 302, 303, etc. in Figure 3.
- the communication device 800 is a relay terminal equipment: the transceiver 805 is used to perform step 501 in FIG. 5 .
- the communication device 800 is a network device: the transceiver 805 is used to perform steps 601 in FIG. 6 and so on.
- the processor 801 may include a transceiver for implementing receiving and transmitting functions.
- the transceiver may be a transceiver circuit, an interface, or an interface circuit.
- the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
- the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
- the processor 801 may store a computer program 803, and the computer program 803 runs on the processor 801, causing the communication device 800 to perform the method described in the above method embodiment.
- the computer program 803 may be solidified in the processor 801, in which case the processor 801 may be implemented by hardware.
- the communication device 80 may include a circuit, and the circuit may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
- the processors and transceivers described in this disclosure may be implemented on integrated circuits (ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
- the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
- CMOS complementary metal oxide semiconductor
- NMOS n-type metal oxide-semiconductor
- PMOS P-type Metal oxide semiconductor
- BJT bipolar junction transistor
- BiCMOS bipolar CMOS
- SiGe silicon germanium
- GaAs gallium arsenide
- the communication device described in the above embodiments may be a network device or an access network device (such as the terminal device in the foregoing method embodiment), but the scope of the communication device described in the present disclosure is not limited thereto, and the structure of the communication device may Not limited by Figure 8.
- the communication device may be a stand-alone device or may be part of a larger device.
- the communication device may be:
- the IC collection may also include storage components for storing data and computer programs;
- the communication device may be a chip or a chip system
- the communication device may be a chip or a chip system
- the chip shown in Figure 9 includes a processor 901 and an interface 903.
- the number of processors 901 may be one or more, and the number of interfaces 903 may be multiple.
- Interface 903 is used to execute step 201 in Figure 2; step 301 in Figure 3, etc.
- Interface 903 used to execute step 501 in Figure 5.
- the chip also includes a memory 903, which is used to store necessary computer programs and data.
- the present disclosure also provides a readable storage medium on which instructions are stored, and when the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
- the present disclosure also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
- the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
- software it may be implemented in whole or in part in the form of a computer program product.
- the computer program product includes one or more computer programs.
- the computer program When the computer program is loaded and executed on a computer, the processes or functions described in accordance with the embodiments of the present disclosure are generated in whole or in part.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- the computer program may be stored in or transferred from one computer-readable storage medium to another, for example, the computer program may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
- the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
- the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
- magnetic media e.g., floppy disks, hard disks, magnetic tapes
- optical media e.g., high-density digital video discs (DVD)
- DVD digital video discs
- semiconductor media e.g., solid state disks, SSD
- At least one in the present disclosure can also be described as one or more, and the plurality can be two, three, four or more, and the present disclosure is not limited.
- the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D” etc.
- the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.
- each table in this disclosure can be configured or predefined.
- the values of the information in each table are only examples and can be configured as other values, which is not limited by this disclosure.
- it is not necessarily required to configure all the correspondences shown in each table.
- the corresponding relationships shown in some rows may not be configured.
- appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
- the names of the parameters shown in the titles of the above tables may also be other names understandable by the communication device, and the values or expressions of the parameters may also be other values or expressions understandable by the communication device.
- other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables. wait.
- Predefinition in this disclosure may be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-burning.
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Abstract
本公开实施例公开了一种请求系统信息的方法及其装置，可应用于通信技术领域，其中，由远端终端设备执行的方法包括：响应于所述远端终端设备中未存储有效的系统信息，发送系统信息请求消息，所述请求消息中携带请求的系统信息标识。远端终端设备在确定未存储有效的系统信息时，可以发送包含需要的系统信息标识的系统信息请求消息，以获取有效的系统信息，进而基于获取的有效的系统信息进行通信，提高了远端终端设备通信的可靠性。
Description
本公开涉及通信技术领域，尤其涉及一种请求系统信息的方法及其装置。
在通信系统中，处于连接态的终端设备未存储有效的系统信息，且该终端设备处于未配置用于搜索其他系统信息的公共搜索空间的带宽部分(bandwidth part，BWP)上时，终端设备可以向网络设备发送系统信息请求无线资源控制(Radio Resource Control，RRC)消息。或者，处于连接态的终端设备处于配置了用于搜索其他系统信息的公共搜索空间的BWP上，但是网络设备未广播该终端设备需要的系统信息时，终端也可以向网络设备发送系统信息请求RRC消息。
对于处于连接态的远端终端设备，由于其未处于公共搜索空间的BWP上，因此，该终端设备如何进行系统信息请求是目前亟需解决的问题。
发明内容
本公开实施例提供一种请求系统信息的方法及其装置，远端终端设备在确定未存储有效的系统信息时，可以发送包含需要的系统信息标识的系统信息请求消息，以获取有效的系统信息，进而基于获取的有效的系统信息进行通信，以提高远端终端设备通信的可靠性。
第一方面，本公开实施例提供一种请求系统信息的方法，该方法由远端终端设备执行，方法包括：
响应于所述远端终端设备中未存储有效的系统信息，发送系统信息请求消息，所述请求消息中携带请求的系统信息标识。
本公开中，远端终端设备在确定未存储有效的系统信息时，可以发送包含需要的系统信息标识的系统信息请求消息，以获取有效的系统信息，进而基于获取的有效的系统信息进行通信，提高了远端终端设备通信的可靠性。
第二方面，本公开实施例提供另一种请求系统信息的方法，方法由中继终端设备执行，方法包括：
接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
本公开中，中继终端设备可以接收远端终端设备发送的系统信息请求消息，从而为远端终端设备提供需要的系统信息，以使远端终端设备可以基于获取的有效的系统信息进行通信，提高了远端终端设备通信的可靠性。
第三方面，本公开实施例提供另一种请求系统信息的方法，方法由网络设备执行，方法包括：
接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
本公开中，网络设备可以接收远端终端设备发送的系统信息请求消息，从而为远端终端设备提供需要的系统信息，以使远端终端设备可以基于获取的有效的系统信息进行通信，提高了远端终端设备通信的可靠性。
第四方面，本公开实施例提供一种通信装置，在远端终端设备侧，包括：
收发模块，用于发送系统信息请求消息，所述请求消息中携带终端设备请求的系统信息标识，终端设备中未存储有效的系统信息。
第五方面，本公开实施例提供一种通信装置，在中继终端设备侧，包括：
收发模块，用于接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
第六方面，本公开实施例提供一种通信装置，在网络设备侧，包括：
收发模块，用于接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
第七方面，本公开实施例提供一种通信装置，该通信装置包括处理器，当该处理器调用存储器中的计算机程序时，执行上述第一方面所述的方法。
第八方面，本公开实施例提供一种通信装置，该通信装置包括处理器，当该处理器调用存储器中的计算机程序时，执行上述第二方面所述的方法。
第九方面，本公开实施例提供一种通信装置，该通信装置包括处理器，当该处理器调用存储器中的计算机程序时，执行上述第三方面所述的方法。
第十方面，本公开实施例提供一种通信装置，该通信装置包括处理器和存储器，该存储器中存储有计算机程序；所述处理器执行该存储器所存储的计算机程序，以使该通信装置执行上述第一方面所述的方法。
第十一方面，本公开实施例提供一种通信装置，该通信装置包括处理器和存储器，该存储器中存储有计算机程序；所述处理器执行该存储器所存储的计算机程序，以使该通信装置执行上述第二方面所述的方法。
第十二方面，本公开实施例提供一种通信装置，该通信装置包括处理器和存储器，该存储器中存储有计算机程序；所述处理器执行该存储器所存储的计算机程序，以使该通信装置执行上述第三方面所述的方法。
第十三方面，本公开实施例提供一种通信装置，该装置包括处理器和接口电路，该接口电路用于接收代码指令并传输至该处理器，该处理器用于运行所述代码指令以使该装置执行上述第一方面所述的方法。
第十四方面，本公开实施例提供一种通信装置，该装置包括处理器和接口电路，该接口电路用于接收代码指令并传输至该处理器，该处理器用于运行所述代码指令以使该装置执行上述第二方面所述的方法。
第十五方面，本公开实施例提供一种通信装置，该装置包括处理器和接口电路，该接口电路用于接收代码指令并传输至该处理器，该处理器用于运行所述代码指令以使该装置执行上述第三方面所述的方法。
第十六方面，本公开实施例提供一种请求系统信息的系统，该系统包括第四方面至第六方面所述的通信装置，或者，该系统包括第七方面至第九方面所述的通信装置，或者，该系统包括第十方面至第十二方面所述的通信装置，或者，该系统包括第十三方面至第十五方面所述的通信装置。
第十七方面，本发明实施例提供一种计算机可读存储介质，用于储存为上述终端设备所用的指令，当所述指令被执行时，使所述终端设备执行上述第一方面所述的方法。
第十八方面，本发明实施例提供一种可读存储介质，用于储存为上述网络设备所用的指令，当所述指令被执行时，使所述网络设备执行上述第二方面所述的方法。
第十九方面，本发明实施例提供一种可读存储介质，用于储存为上述网络设备所用的指令，当所述指令被执行时，使所述网络设备执行上述第三方面所述的方法。
第二十方面，本公开还提供一种包括计算机程序的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第一方面所述的方法。
第二十一方面，本公开还提供一种包括计算机程序的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第二方面所述的方法。
第二十二方面，本公开还提供一种包括计算机程序的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第三方面所述的方法。
第二十三方面，本公开提供一种芯片系统，该芯片系统包括至少一个处理器和接口，用于支持终端设备实现第一方面所涉及的功能，例如，确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存终端设备必要的计算机程序和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第二十三方面，本公开提供一种芯片系统，该芯片系统包括至少一个处理器和接口，用于支持网络设备实现第二方面所涉及的功能，例如，确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存网络设备必要的计算机程序和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第二十四方面，本公开提供一种芯片系统，该芯片系统包括至少一个处理器和接口，用于支持网络设备实现第三方面所涉及的功能，例如，确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存网络设备必要的计算机程序和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第二十五方面，本公开提供一种计算机程序，当其在计算机上运行时，使得计算机执行上述第一方面所述的方法。
第二十六方面，本公开提供一种计算机程序，当其在计算机上运行时，使得计算机执行上述第二方面所述的方法。
第二十七方面，本公开提供一种计算机程序，当其在计算机上运行时，使得计算机执行上述第二方面所述的方法。
为了更清楚地说明本公开实施例或背景技术中的技术方案，下面将对本公开实施例或背景技术中所需要使用的附图进行说明。
图1是本公开实施例提供的一种通信系统的架构示意图；
图2是本公开实施例提供的一种请求系统信息的方法的流程示意图；
图3是本公开实施例提供的另一种请求系统信息的方法的流程示意图；
图4是本公开实施例提供的又一种请求系统信息的方法的流程示意图；
图5是本公开实施例提供的又一种请求系统信息的方法的流程示意图；
图6是本公开实施例提供的又一种请求系统信息的方法的流程示意图；
图7是本公开实施例提供的一种通信装置的结构示意图；
图8是本公开实施例提供的另一种通信装置的结构示意图；
图9是本公开实施例提供的一种芯片的结构示意图。
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
为了便于理解，首先介绍本公开涉及的术语。
1、远端终端设备
远端终端设备，指未直接与网络设备连接，而通过另外的终端设备或者其它中继终端设备与网络设备连接的终端设备。
2、中继终端设备
可以为远端终端设备提供中继功能的设备，称为中继终端设备。
请参见图1，图1为本公开实施例提供的一种通信系统的架构示意图。该通信系统可包括但不限于一个网络设备和一个终端设备，图1所示的设备数量和形态仅用于举例并不构成对本公开实施例的限定，实际应用中可以包括两个或两个以上的网络设备，两个或两个以上的终端设备。图1所示的通信系统以包括一个网络设备11、一个远端终端设备12和一个中继终端设备13为例。
需要说明的是，本公开实施例的技术方案可以应用于各种通信系统。例如：长期演进(long term evolution，LTE)系统、第五代(5th generation，5G)移动通信系统、5G新空口(new radio，NR)系统，或者其他未来的新型移动通信系统等。
本公开实施例中的网络设备11是网络侧的一种用于发射或接收信号的实体。例如，网络设备11可以为演进型基站(evolved NodeB，eNB)、传输点(transmission reception point，TRP)、NR系统中的下一代基站(next generation NodeB，gNB)、其他未来移动通信系统中的基站或无线保真(wireless fidelity，WiFi)系统中的接入节点等。本公开的实施例对网络设备所采用的具体技术和具体设备形态不做限定。本公开实施例提供的网络设备可以是由集中单元(central unit，CU)与分布式单元(distributed unit，DU)组成的，其中，CU也可以称为控制单元(control unit)，采用CU-DU的结构可以将网络设备，例如基站的协议层拆分开，部分协议层的功能放在CU集中控制，剩下部分或全部协议层的功能分布在DU中，由CU集中控制DU。
本公开实施例中的远端终端设备12和一个中继终端设备13，可以是用户侧的一种用于接收或发射信号的实体，如手机。终端设备也可以称为终端设备(terminal)、用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端设备(mobile terminal，MT)等。终端设备可以是具备通信功能的汽车、智能汽车、手机(mobile phone)、穿戴式设备、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self-driving)中的无线终端设备、远程手术(remote medical surgery)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备、智慧家庭(smart home)中的无线终端设备等等。本公开的实施例对终端设备所采用的具体技术和具体设备形态不做限定。
可以理解的是，本公开实施例描述的通信系统是为了更加清楚的说明本公开实施例的技术方案，并不构成对于本公开实施例提供的技术方案的限定，本领域普通技术人员可知，随着系统架构的演变和新业务场景的出现，本公开实施例提供的技术方案对于类似的技术问题，同样适用。
请参见图2，图2是本公开实施例提供的一种请求系统信息的方法的流程示意图，该方法由远端终端设备执行。如图2所示，该方法可以包括但不限于如下步骤：
步骤201，响应于远端终端设备中未存储有效的系统信息，发送系统信息请求消息，请求消息中携带请求的系统信息标识。
通常，远端终端设备在进行小区选择或接入时，若发现本地未存储小区接入所需要的必要的信息，比如无有效的系统帧号、子载波间隔等信息，即可确定本地无有效的系统信息(system information block，SIB)。
可选的，未存储有效的系统信息，可以为远端终端设备中未存储SIB，或者存储的SIB的版本号与广播消息中的SIB的版本号不同，即远端终端设备无法进行本公开对此不做限定。
可选的系统信息标识，可以为任一可唯一确定要请求的系统信息的标识信息，比如，可以为SIB1、SIB2等等，本公开对此不做限定。
本公开中，处于连接态的远端终端设备，只要在确定其系统内未存储有效的SIB的情况下，即可向网络设备发送系统信息请求消息，或者通过中继终端设备向网络设备发送系统信息请求消息。
可选的，若远端终端设备向网络设备发送系统信息请求消息，则该系统信息请求消息可以为系统信息请求无线资源控制(radio resource control，RRC)消息，比如，专用SIB请求(DedicatedSIBRequest)消息。
可选的，若远端终端设备通过中继终端设备向网络设备发送系统信息请求消息，则该系统信息请求消息可以为侧链sidelink RRC消息，比如，远端终端设备可以向中继终端设备发送包含请求的系统信息标识的远端终端设备信息侧链(RemoteUEInformationSidelink)消息，来请求中继终端设备为其转发需要的系统信息。
本公开中，远端终端设备只要在确定其系统内未存储有效的SIB的情况下，即可通过发送系统信息请求消息来获取需要的系统信息，以基于获取的有效的系统信息进行通信，从而提高了远端终端设备通信的可靠性。
请参见图3，图3是本公开实施例提供的一种请求系统信息的方法的流程示意图，该方法由远端终端设备执行。如图3所示，该方法可以包括但不限于如下步骤：
步骤301，响应于未存储有效的系统信息、阻止定时器未运行，且网络设备配置了第一配置，向网络设备发送系统信息请求无线资源控制RRC消息。
其中，第一配置为按需系统信息请求配置(onDemandSIBRequest)。此外，按需系统信息请求配置中可以包括阻止定时器时长，之后，远端终端设备可以根据按需系统信息请求配置中的阻止定时器时长，对阻止定时器进行控制。
步骤302，启动所述阻止定时器。
通常，由于终端设备在发送系统信息请求RRC消息后，就会启动阻止定时器，且在阻止定时器运行期间，不可以再次发送系统信息请求RRC消息。因此，本公开中，远端终端设备在确定未存储有效的系统信息、阻止定时器未运行的情况下，即可确定当前可以发送系统信息请求RRC消息。此时，若网络设备配置了第一配置，即获取了按需系统信息请求配置，则可以向网络设备发送的系统信息请求RRC消息，来从网络设备侧请求需要的系统信息。
可选的，阻止定时器可以为T350定时器。
可选的，远端终端设备，可以直接向网络设备发送DedicatedSIBRequest消息，来请求需要的系统信息；或者，也可以通过中继终端设备转发给网络设备发送Dedicated SIB Request消息，来请求需要的系统信息；或者，也可以向中继终端设备发送RemoteUEInformationSidelink消息，来请求中继终端设备为其转发需要的系统信息，本公开对此不做限定。
可选的，远端终端设备，可以通过RRC重配消息，获取上述第一配置。即本公开中，远端终端设备还可以接收网络设备发送的RRC重配消息，重配消息中携带第一配置。
另外，为了避免由于远端终端设备重复发送系统信息请求RRC消息而造成的资源浪费，其在向网络设备发送了系统信息请求RRC消息后，可以启动阻止定时器，并在阻止定时器运行期间，不再发送系统信息请求RRC消息。
步骤303，收到系统信息标识对应的系统信息，停止所述阻止定时器。
本公开中，只要远端终端设备收到请求的系统信息后，就可以停止阻止定时器，从而使得终端设备在需要另外的系统信息时，即可及时发送新的系统信息请求RRC消息，从而避免了由于阻止定时器未及时停止运行，而导致新的系统信息请求RRC消息的发送延迟。
可选的，远端终端设备可以在RRC重配消息中收到系统信息标识对应的系统信息，或者，在系统广播消息中收到系统信息标识对应的系统信息；或者，在侧链sidelink RRC消息中收到系统信息标识对应的系统信息。本公开对此不做限定。终端设备在接收到需要的系统信息后，即可基于接收到的系统信息进行小区选择或接入等。
本公开中，远端终端设备在确定其系统内未存储有效的SIB，且阻止定时器未运行，并且网络设备配置了第一配置的情况下，即可向网络设备发送系统信息请求RRC消息来获取需要的系统信息，以基 于获取的有效的系统信息进行通信，从而提高了远端终端设备通信的可靠性。
请参见图4，图4是本公开实施例提供的一种请求系统信息的方法的流程示意图，该方法由远端终端设备执行。如图4所示，该方法可以包括但不限于如下步骤：
步骤401，响应于未存储有效的系统信息、阻止定时器未运行，且网络设备未配置第一配置，向中继终端设备发送系统信息请求sidelink RRC消息。
本公开中，远端终端设备在网络设备未配置第一配置的情况下，由于无法根据第一配置向网络设备发送系统信息请求RRC消息，此时，在若确定未存储有效的系统信息，则可以向中继终端设备发送系统信息请求sidelink RRC消息。
步骤402，接收中继终端设备发送的系统信息标识对应的系统信息。
可选的，中继终端设备在收到远端终端设备需要的系统信息后，即可将收到的系统信息通过sidelink RRC消息发送给远端终端设备，比如，远端终端设备可以通过网络信息转发侧链路消息(UuMessageTransferSidelink)来接收中继终端设备发送的与系统信息标识对应的系统信息。
本公开中，远端终端设备在确定其系统内未存储有效的SIB，且网络设备未配置第一配置的情况下，即可向中继终端设备发送系统信息请求sidelink RRC消息来获取需要的系统信息，以基于获取的有效的系统信息进行通信，从而提高了远端终端设备通信的可靠性。
请参见图5，图5是本公开实施例提供的一种请求系统信息的方法的流程示意图，该方法由中继终端设备执行。如图5所示，该方法可以包括但不限于如下步骤：
步骤501，接收远端终端设备发送的系统信息请求消息，请求消息中携带请求的系统信息标识。
可选的，中继终端设备，可以通过sidelink RRC消息，比如，RemoteUEInformationSidelink消息，来接收远端终端设备发送的系统信息请求。
其中，系统信息标识的类型及实现形式，可以参照本公开任一实施例的详细描述，此处不再赘述。
可选的，中继终端设备，在收到远端终端设备发送的系统信息请求消息后，即可确定本地是否包含与系统信息标识对应的系统信息，如果包含，则可以将该系统信息标识对应的系统信息返回给远端终端设备。
或者，中继终端设备在确定本地未包含与系统信息标识对应的系统信息的情况下，也可以向网络设备请求该系统信息标识对应的系统信息。比如，中继终端设备，可以通过DedicatedSIBRequest消息，来请求需要的系统信息。之后，中继终端设备在收到系统信息标识对应的系统信息后，即可将收到的系统信息返回给远端终端设备。其中，中继终端设备，可以在RRC重配消息中收到系统信息标识对应的系统信息，或者，在系统广播消息中收到系统信息标识对应的系统信息；或者，在侧链sidelink RRC消息中收到系统信息标识对应的系统信息。本公开对此不做限定。
可选的，中继终端设备，可以将获取到的所述系统信息标识对应的系统信息，通过侧链sidelink RRC消息发送给所述远端终端设备。比如，中继终端设备可以通过UuMessageTransferSidelink来将接收到的与系统信息标识对应的系统信息发送给远端终端设备。
本公开中，中继终端设备，可以根据远端终端设备的需求，为远端终端设备转发系统信息请求消息，以使得远端终端设备获的需要的系统信息，并基于获取的有效的系统信息进行通信，从而提高了远端终端设备通信的可靠性。
请参见图6，图6是本公开实施例提供的一种请求系统信息的方法的流程示意图，该方法由网络设备执行。如图6所示，该方法可以包括但不限于如下步骤：
步骤601,接收远端终端设备发送的系统信息请求消息，请求消息中携带请求的系统信息标识。
可选的，网络设备，可以通过系统信息请求RRC消息，比如，通过Dedicated SIB Request消息，来接收远端终端设备发送的系统信息请求。
其中，系统信息标识的类型及实现形式，可以参照本公开任一实施例的详细描述，此处不再赘述。
另外，由于远端终端设备仅在收到系统信息请求配置(即第一配置)的情况下，才可以向网络设备发送系统信息请求RRC消息，因此，本公开中，网络设备还可以向所述远端终端设备发送RRC重配消息，重配消息中携带用于进行系统信息请求的第一配置。
可选的，第一配置，可以为on Demand SIB Request，本公开对此不做限定。
可选的，网络设备可以通过RRC重配消息，将系统信息标识对应的系统信息发送给所述远端终端设备；或者，也可以通过广播消息广播所述系统信息标识对应的系统信息。之后，远端终端设备即可基于获取的系统信息进行小区选择和接入等。
本公开中，网络设备可以接收远端终端设备发送的系统信息请求消息，从而即可为远端终端设备提供所需要的系统信息，以使远端终端设备基于获取的系统信息进行通信，从而提高了远端终端设备通信的可靠性。
请参见图7，为本公开实施例提供的一种通信装置700的结构示意图。图7所示的通信装置700可包括收发模块701和处理模块702。收发模块701可包括发送模块和/或接收模块，发送模块用于实现发送功能，接收模块用于实现接收功能，收发模块701可以实现发送功能和/或接收功能。
可以理解的是，通信装置700可以是远端终端设备，也可以是远端终端设备中的装置，还可以是能够与远端终端设备匹配使用的装置。
通信装置700在网络设备侧，其中：
收发模块701，具体用于发送系统信息请求消息，所述请求消息中携带终端设备请求的系统信息标识，终端设备中未存储有效的系统信息。
可选的，阻止定时器未运行，且网络设备配置了第一配置，所述收发模块701，具体用于向网络设备发送系统信息请求无线资源控制RRC消息，其中，第一配置为按需系统信息请求配置；
上述处理模块702，用于启动所述阻止定时器。
可选的，上述收发模块701，具体用于：
接收所述网络设备发送的RRC重配消息，所述重配消息中携带所述第一配置。
可选的，上述处理模块702，还用于：
所述处理模块，还用于：
在RRC重配消息中收到所述系统信息标识对应的系统信息，停止所述阻止定时器；或者，
在系统广播消息中收到所述系统信息标识对应的系统信息，停止所述阻止定时器；或者，
在侧链sidelink RRC消息中收到所述系统信息标识对应的系统信息，停止所述阻止定时器。
可选的，上述收发模块1701，具体用于：
所述收发模块，具体用于：
网络设备未配置第一配置，向中继终端设备发送系统信息请求sidelink RRC消息。
可以理解的是，通信装置700可以是中继终端设备，也可以是中继终端设备中的装置，还可以是能够与中继终端设备匹配使用的装置。
通信装置700，在中继终端设备侧，其中：
收发模块701，用于接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
可选的，上述收发模块701，还用于：
将获取到的所述系统信息标识对应的系统信息，通过侧链sidelink无线资源控制RRC消息发送给所述远端终端设备。
可以理解的是，通信装置700可以是网络设备，也可以是网络设备中的装置，还可以是能够与网络设备匹配使用的装置。
通信装置700，在网络设备侧，其中：
收发模块701，用于接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
可选的，收发模块701，还用于：
向所述远端终端设备发送RRC重配消息，所述重配消息中携带用于进行系统信息请求的第一配置。
可选的，收发模块701，还用于：
通过RRC重配消息，将所述系统信息标识对应的系统信息发送给所述远端终端设备；或者，
通过广播消息广播所述系统信息标识对应的系统信息。
本公开中，远端终端设备在确定其系统内未存储有效的SIB的情况下，即可通过发送系统信息请求消息来获取需要的系统信息，以基于获取的有效的系统信息进行通信，从而提高了远端终端设备通信的可靠性。
请参见图8，图8是本公开实施例提供的另一种通信装置的结构示意图。通信装置800可以是网络设备，也可以是远端终端设备，也可以是中继终端设备，也可以是支持网络设备实现上述方法的芯片、芯片系统、或处理器等，还可以是支持终端设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法，具体可以参见上述方法实施例中的说明。
通信装置800可以包括一个或多个处理器801。处理器801可以是通用处理器或者专用处理器等。例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理，中央处理器可以用于对通信装置(如，基站、基带芯片，终端设备、终端设备芯片，DU或CU等)进行控制，执行计算机程序，处理计算机程序的数据。
可选的，通信装置800中还可以包括一个或多个存储器802，其上可以存有计算机程序804，处理器801执行所述计算机程序804，以使得通信装置800执行上述方法实施例中描述的方法。可选的，所 述存储器802中还可以存储有数据。通信装置800和存储器802可以单独设置，也可以集成在一起。
可选的，通信装置800还可以包括收发器805、天线806。收发器805可以称为收发单元、收发机、或收发电路等，用于实现收发功能。收发器805可以包括接收器和发送器，接收器可以称为接收机或接收电路等，用于实现接收功能；发送器可以称为发送机或发送电路等，用于实现发送功能。
可选的，通信装置800中还可以包括一个或多个接口电路807。接口电路807用于接收代码指令并传输至处理器801。处理器801运行所述代码指令以使通信装置800执行上述方法实施例中描述的方法。
通信装置800为远端终端设备：处理器801用于执行图3中的步骤302、步骤303等。
通信装置800为中继终端设备：收发器805用于执行图5中的步骤501。
通信装置800为网络设备：收发器805用于执行图6中的步骤图6中的步骤601等。
在一种实现方式中，处理器801中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路，或者是接口，或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的，也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写，或者，上述收发电路、接口或接口电路可以用于信号的传输或传递。
在一种实现方式中，处理器801可以存有计算机程序803，计算机程序803在处理器801上运行，可使得通信装置800执行上述方法实施例中描述的方法。计算机程序803可能固化在处理器801中，该种情况下，处理器801可能由硬件实现。
在一种实现方式中，通信装置80可以包括电路，所述电路可以实现前述方法实施例中发送或接收或者通信的功能。本公开中描述的处理器和收发器可实现在集成电路(integrated circuit，IC)、模拟IC、射频集成电路RFIC、混合信号IC、专用集成电路(application specific integrated circuit，ASIC)、印刷电路板(printed circuit board，PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造，例如互补金属氧化物半导体(complementary metal oxide semiconductor，CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor，NMOS)、P型金属氧化物半导体(positive channel metal oxide semiconductor，PMOS)、双极结型晶体管(bipolar junction transistor，BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
以上实施例描述中的通信装置可以是网络设备或者接入网设备(如前述方法实施例中的终端设备)，但本公开中描述的通信装置的范围并不限于此，而且通信装置的结构可以不受图8的限制。通信装置可以是独立的设备或者可以是较大设备的一部分。例如所述通信装置可以是：
(1)独立的集成电路IC，或芯片，或，芯片系统或子系统；
(2)具有一个或多个IC的集合，可选的，该IC集合也可以包括用于存储数据，计算机程序的存储部件；
(3)ASIC，例如调制解调器(Modem)；
(4)可嵌入在其他设备内的模块；
(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等；
(6)其他等等。
对于通信装置可以是芯片或芯片系统的情况，可参见图9所示的芯片的结构示意图。图9所示的芯片包括处理器901和接口903。其中，处理器901的数量可以是一个或多个，接口903的数量可以是多个。
对于芯片用于实现本公开实施例中远端终端设备的功能的情况：
接口903，用于执行执行图2中的步骤201；图3中的步骤301等。
对于芯片用于实现本公开实施例中中继终端设备的功能的情况：
接口903，用于执行图5中的步骤501。
对于芯片用于实现本公开实施例中网络设备的功能的情况：
接口903，用于执行图6中的步骤601。
可选的，芯片还包括存储器903，存储器903用于存储必要的计算机程序和数据。
本领域技术人员还可以了解到本公开实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件，或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用，可以使用各种方法实现所述的功能，但这种实现不应被理解为超出本公开实施例保护的范围。
本公开还提供一种可读存储介质，其上存储有指令，该指令被计算机执行时实现上述任一方法实施例的功能。
本公开还提供一种计算机程序产品，该计算机程序产品被计算机执行时实现上述任一方法实施例的 功能。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序。在计算机上加载和执行所述计算机程序时，全部或部分地产生按照本公开实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机程序可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机程序可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，高密度数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，固态硬盘(solid state disk，SSD))等。
可以理解的是，本公开中“多个”是指两个或两个以上，其它量词与之类似。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。
进一步可以理解的是，本公开实施例中尽管在附图中以特定的顺序描述操作，但是不应将其理解为要求按照所示的特定顺序或是串行顺序来执行这些操作，或是要求执行全部所示的操作以得到期望的结果。在特定环境中，多任务和并行处理可能是有利的。
本领域普通技术人员可以理解：本公开中涉及的第一、第二等各种数字编号仅为描述方便进行的区分，并不用来限制本公开实施例的范围，也表示先后顺序。
本公开中的至少一个还可以描述为一个或多个，多个可以是两个、三个、四个或者更多个，本公开不做限制。在本公开实施例中，对于一种技术特征，通过“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”等区分该种技术特征中的技术特征，该“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”描述的技术特征间无先后顺序或者大小顺序。
本公开中各表所示的对应关系可以被配置，也可以是预定义的。各表中的信息的取值仅仅是举例，可以配置为其他值，本公开并不限定。在配置信息与各参数的对应关系时，并不一定要求必须配置各表中示意出的所有对应关系。例如，本公开中的表格中，某些行示出的对应关系也可以不配置。又例如，可以基于上述表格做适当的变形调整，例如，拆分，合并等等。上述各表中标题示出参数的名称也可以采用通信装置可理解的其他名称，其参数的取值或表示方式也可以通信装置可理解的其他取值或表示方式。上述各表在实现时，也可以采用其他的数据结构，例如可以采用数组、队列、容器、栈、线性表、指针、链表、树、图、结构体、类、堆、散列表或哈希表等。
本公开中的预定义可以理解为定义、预先定义、存储、预存储、预协商、预配置、固化、或预烧制。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本公开的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
以上所述，仅为本公开的具体实施方式，但本公开的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本公开揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以所述权利要求的保护范围为准。
Claims (22)
- 一种请求系统信息的方法，其特征在于，由远端终端设备执行，所述方法包括：响应于所述远端终端设备中未存储有效的系统信息，发送系统信息请求消息，所述请求消息中携带请求的系统信息标识。
- 如权利要求1所述的方法，其特征在于，所述发送系统信息请求消息，包括：响应于阻止定时器未运行，且网络设备配置了第一配置，向网络设备发送系统信息请求无线资源控制RRC消息，其中，第一配置为按需系统信息请求配置；启动所述阻止定时器。
- 如权利要求2所述的方法，其特征在于，还包括：接收所述网络设备发送的RRC重配消息，所述重配消息中携带所述第一配置。
- 如权利要求2或3所述的方法，其特征在于，还包括：在RRC重配消息中收到所述系统信息标识对应的系统信息，停止所述阻止定时器；或者，在系统广播消息中收到所述系统信息标识对应的系统信息，停止所述阻止定时器；或者，在侧链sidelink RRC消息中收到所述系统信息标识对应的系统信息，停止所述阻止定时器。
- 如权利要求1-4任一所述的方法，其特征在于，所述发送系统信息请求消息，包括：网络设备未配置第一配置，向中继终端设备发送系统信息请求sidelink RRC消息。
- 一种请求系统信息的方法，其特征在于，由中继终端设备执行，所述方法包括：接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
- 如权利要求6所述的方法，其特征在于，还包括：将获取到的所述系统信息标识对应的系统信息，通过侧链sidelink无线资源控制RRC消息发送给所述远端终端设备。
- 一种请求系统信息的方法，其特征在于，由网络设备执行，所述方法包括：接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
- 如权利要求8所述的方法，其特征在于，还包括：向所述远端终端设备发送RRC重配消息，所述重配消息中携带用于进行系统信息请求的第一配置。
- 如权利要求8或9所述的方法，其特征在于，还包括：通过RRC重配消息，将所述系统信息标识对应的系统信息发送给所述远端终端设备；或者，通过广播消息广播所述系统信息标识对应的系统信息。
- 一种通信装置，其特征在于，所述装置包括：收发模块，用于发送系统信息请求消息，所述请求消息中携带终端设备请求的系统信息标识，终端设备中未存储有效的系统信息。
- 如权利要求11所述的装置，其特征在于，阻止定时器未运行，且网络设备配置了第一配置，所述收发模块，具体用于向网络设备发送系统信息请求无线资源控制RRC消息，其中，第一配置为按需系统信息请求配置；还包括处理模块，用于启动所述阻止定时器。
- 如权利要求12所述的装置，其特征在于，所述收发模块，还用于：接收所述网络设备发送的RRC重配消息，所述重配消息中携带所述第一配置。
- 如权利要求12或13所述的装置，其特征在于，所述处理模块，还用于：在RRC重配消息中收到所述系统信息标识对应的系统信息，停止所述阻止定时器；或者，在系统广播消息中收到所述系统信息标识对应的系统信息，停止所述阻止定时器；或者，在侧链sidelink RRC消息中收到所述系统信息标识对应的系统信息，停止所述阻止定时器。
- 如权利要求10-14任一所述的装置，其特征在于，所述收发模块，具体用于：网络设备未配置第一配置，向中继终端设备发送系统信息请求sidelink RRC消息。
- 一种通信装置，其特征在于，所述装置包括：收发模块，用于接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
- 如权利要求16所述的装置，其特征在于，所述收发模块，还用于：将获取到的所述系统信息标识对应的系统信息，通过侧链sidelink无线资源控制RRC消息发送给所述远端终端设备。
- 一种通信装置，其特征在于，所述装置包括：收发模块，用于接收远端终端设备发送的系统信息请求消息，所述请求消息中携带请求的系统信息标识。
- 如权利要求18所述的装置，其特征在于，所述收发模块，还用于：向所述远端终端设备发送RRC重配消息，所述重配消息中携带用于进行系统信息请求的第一配置。
- 如权利要求18或19所述的装置，其特征在于，所述收发模块，还用于：通过RRC重配消息，将所述系统信息标识对应的系统信息发送给所述远端终端设备；或者，通过广播消息广播所述系统信息标识对应的系统信息。
- 一种通信装置，其特征在于，所述装置包括处理器和存储器，所述存储器中存储有计算机程序，所述处理器执行所述存储器中存储的计算机程序，以使所述装置执行如权利要求1至5中任一项所述的方法，或者，执行如权利要求6-7任一项所述的方法，或者，执行如权利要求8-10任一项所述的方法。
- 一种计算机可读存储介质，用于存储有指令，当所述指令被执行时，使如权利要求1至5中任一项所述的方法被实现，或者，使如权利要求6至7中任一项所述的方法被实现，或者，使如权利要求8至10中任一项所述的方法被实现。
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