WO2024041470A1 - 系统信息消息接收方法、发送方法、终端及网络侧设备 - Google Patents
系统信息消息接收方法、发送方法、终端及网络侧设备 Download PDFInfo
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- WO2024041470A1 WO2024041470A1 PCT/CN2023/113950 CN2023113950W WO2024041470A1 WO 2024041470 A1 WO2024041470 A1 WO 2024041470A1 CN 2023113950 W CN2023113950 W CN 2023113950W WO 2024041470 A1 WO2024041470 A1 WO 2024041470A1
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- system information
- information message
- message
- terminal
- side device
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- 238000004891 communication Methods 0.000 abstract description 26
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
Definitions
- This application belongs to the field of communication technology, and specifically relates to a system information message receiving method, a sending method, a terminal and a network side device.
- a commonly used technical method is to perform signature verification on system information sent by network-side devices.
- the network side device broadcasts the signature information of the system information, and the current status of the network side device for the system information carrying the signature information is always sending. That is to say, the network side device will send the signature information in each cycle of the system information. Sending this system information results in a large overhead of air interface resources.
- Embodiments of the present application provide a system information message receiving method, a sending method, a terminal and a network side device, which can solve the problem of high air interface resource overhead.
- the first aspect provides a method for receiving system information messages, including:
- the terminal receives a first system information message under the first condition, where the first system information message carries signature information of the second system information message;
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the terminal has indicated to the network side device that signature information is required;
- the terminal has indicated to the network side device that the second system information message is needed.
- a method for sending system information messages including:
- the network side device sends a first system information message under the first condition, where the first system information message carries signature information of the second system information message;
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the network side device receives an instruction indicating that signature information is required
- the network side device receives an indication indicating that the second system information message is required.
- a system information message receiving device including:
- a first receiving module configured to receive a first system information message under a first condition, where the first system information message carries signature information of the second system information message;
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the terminal corresponding to the device has indicated to the network side device that signature information is required;
- the terminal has indicated to the network side device that the second system information message is needed.
- a system information message sending device including:
- a first sending module configured to send a first system information message under the first condition, where the first system information message carries the signature information of the second system information message;
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the network side device corresponding to the device receives an instruction indicating that signature information is required
- the network side device receives an indication indicating that the second system information message is required.
- a terminal in a fifth aspect, includes a processor and a memory.
- the memory stores programs or instructions that can be run on the processor.
- the program or instructions are executed by the processor, the following implementation is implemented: The steps of the system information message receiving method provided by the application embodiment.
- a terminal including a processor and a communication interface, wherein the communication interface is used to receive a first system information message under a first condition, and the first system information message carries a second system information message.
- Signature information of the information message wherein the first condition includes at least one of the following: the status of the second system information message is sent; the terminal corresponding to the device has indicated to the network side device that signature information is required; the terminal The network side device has been instructed to require the second system information message.
- a network side device in a seventh aspect, includes a processor and a memory.
- the memory stores programs or instructions that can be run on the processor.
- the program or instructions are executed by the processor. The steps of the method for sending system information as provided in the embodiments of this application are implemented.
- a network side device including a processor and a communication interface, wherein the communication interface is used to send a first system information message under a first condition, and the first system information message carries a third Signature information of the second system information message; wherein the first condition includes at least one of the following: the status of the second system information message is sent; the network side device corresponding to the device receives a message indicating that signature information is required. Instruction: the network side device receives an instruction indicating that the second system information message is required.
- a system information message transmission system including: a terminal and a network side device.
- the terminal can be used to perform the steps of the system information message receiving method provided in the embodiment of the present application.
- the network side device can be used to Execute the steps of the system information sending method provided by the embodiment of the present application.
- a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. The program When the program or instruction is executed by the processor, the steps of the system information message receiving method provided by the embodiments of the present application are implemented, or the steps of the system information message sending method provided by the embodiments of the present application are implemented.
- a chip in an eleventh aspect, includes a processor and a communication interface.
- the communication interface is coupled to the processor.
- the processor is used to run programs or instructions to implement the methods provided by the embodiments of the present application. A method for receiving system information messages, or implementing a method for sending system information messages as provided in the embodiments of this application.
- a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the embodiments of the present application.
- the steps of the system information message receiving method, or the computer program/program product is executed by at least one processor to implement the system information message sending method as provided in the embodiment of the present application.
- the terminal receives the first system information message under the first condition, and the first system information message carries the signature information of the second system information message; wherein the first condition includes at least one of the following Item: the status of the second system information message is sent; the terminal has indicated to the network side device that signature information is needed; the terminal has indicated to the network side device that the second system information message is needed.
- the first system information message can be transmitted between the network side device and the terminal under the first condition, thereby saving air interface resources.
- Figure 1 is a block diagram of a wireless communication system applicable to the embodiment of the present application.
- Figure 2 is a flow chart of a system information message receiving method provided by an embodiment of the present application.
- Figure 3 is a flow chart of a system information sending method provided by an embodiment of the present application.
- Figure 4 is a structural diagram of a system information message receiving device provided by an embodiment of the present application.
- Figure 5 is a structural diagram of a system information sending device provided by an embodiment of the present application.
- Figure 6 is a structural diagram of a communication device provided by an embodiment of the present application.
- Figure 7 is a structural diagram of a terminal provided by an embodiment of the present application.
- Figure 8 is a structural diagram of a network side device provided by an embodiment of the present application.
- first, second, etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and “second” are distinguished objects It is usually one type, and the number of objects is not limited.
- the first object can be one or multiple.
- “and/or” in the description and claims represents at least one of the connected objects, and the character “/" Generally, it means that the related objects are in an "or” relationship.
- LTE Long Term Evolution
- LTE-Advanced, LTE-A Long Term Evolution
- LTE-A Long Term Evolution
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-carrier Frequency Division Multiple Access
- NR New Radio
- FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable.
- the wireless communication system includes a terminal 11 and a network side device 12.
- the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, or a super mobile personal computer.
- Tablet Personal Computer Tablet Personal Computer
- laptop computer laptop computer
- PDA Personal Digital Assistant
- PDA Personal Digital Assistant
- UMPC ultra-mobile personal computer
- UMPC mobile Internet device
- MID mobile Internet Device
- AR augmented reality
- VR virtual reality
- robots wearable devices
- WUE Vehicle User Equipment
- PUE Pedestrian User Equipment
- smart home home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.
- game consoles personal computers (personal computer, PC), teller machine or self-service machine and other terminal-side devices.
- Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets) bracelets, smart anklets, etc.), smart wristbands, smart clothing, etc.
- the network side device 12 may include an access network device or a core network device, where the access network device may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a wireless access network unit.
- Access network equipment may include base stations, Wireless Local Area Networks (WLAN) access points or WiFi nodes, etc.
- the base stations may be called Node B, Evolved Node B (eNB), access point, base transceiver station ( Base Transceiver Station (BTS), radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), home B-node, home evolved B-node, transmitting and receiving point ( Transmitting Receiving Point (TRP) or some other appropriate terminology in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application, only in the NR system The base station is introduced as an example, and the specific type of base station is not limited.
- Core network equipment may include but is not limited to at least one of the following: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Server Discovery Function (EASDF), Unified Data Management (UDM), Unified Data Repository , UDR), Home Subscriber Server (HSS), Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (Local NEF, or L-NEF), binding support function (Binding Support Function, BSF), application function (Application Function, AF), etc.
- MME mobility management entities
- AMF Access and Mobility Management Function
- SMF Session Management Function
- UPF User Plane Function
- PCF Policy Control Function
- PCF Policy and Charging Rules Function
- EASDF Edge Application
- Figure 2 is a flow chart of a system information message receiving method provided by an embodiment of the present application. As shown in Figure 2, it includes the following steps:
- Step 201 The terminal receives a first system information message (System Information message, SI message) under the first condition, where the first system information message carries the signature information of the second system information message;
- SI message System Information message
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the terminal has indicated to the network side device that signature information is required;
- the terminal has indicated to the network side device that the second system information message is needed.
- the above terminal receiving the first system information message under the first condition can be understood as the terminal receiving the first system information message when the first condition is satisfied.
- the terminal does not receive the first system information message.
- the above-mentioned second system information message may be an SI message including one or more system information blocks (System Information Block, SIB).
- This one or more SIBs may be other SIBs, that is, except the master information block (Master Information Block, MIB). and SIBs other than SIB1.
- MIB Master Information Block
- SIBs other SIBs, that is, except the master information block (Master Information Block, MIB).
- SIBs other than SIB1.
- the second system information message may also be MIB or SIB1.
- the above-mentioned second system information message may also be a positioning system broadcast message (Positioning System Information Block, pos SIB).
- pos SIB Positioning System Information Block
- the status of the first system information message and the second system information message includes sending or not sending.
- the status of other SI messages can be carried in MIB or SIB1.
- the system information broadcast status (si-BroadcastStatus) in SIB1.
- the value of the system information broadcast status includes broadcasting and not broadcasting (broadcasting, notBroadcasting).
- the status of the first system information message and the second system information message is sent, which can be expressed as being sent or being broadcast. Wherein, the status of the first system information message and the second system information message is sent.
- the status of the first system information message and the second system information message is sent in the corresponding cycle, such as within the corresponding sending window.
- the status is sending, and the network side device is in the first
- the sending window corresponding to the system information message and the second system information message sends the first system information message and the second system information message.
- the status of MIB and SIB1 can only be sending, that is, not sending; therefore, there is no need to instruct the terminal through signaling.
- the transmission window refers to the time domain transmission window.
- the status of the system information message as not sending may be that the system information message has not been broadcast, is not being broadcast, or is in a non-sending state. Specifically, it may mean that in the corresponding time domain sending window, the network side device does not send/broadcast the corresponding system information message.
- the status of the first system information message is synchronized with the status of the second system information. For example, when the status of the second system information is sending, the status of the first system information is sending. , when the status of the second system information is not sent, the status of the first system information is not sent, and the status of the first system information message remains consistent with the status of the second system information.
- the time at which the network side device sends the second system information message may be before or after the above-mentioned step 201, or there may be a time overlap with step 201, or at Sent before and after step 201.
- the above-mentioned terminal has indicated to the network-side device that signature information is required.
- the terminal Before step 201, the terminal has indicated to the network-side device that signature information is required in an explicit or implicit manner, such as indicating that the signature of the above-mentioned second system information message is required.
- the information either indicates that signature information of multiple system information messages including the above-mentioned second system information message is required, or indicates that the terminal supports signature verification capability. In this way, the terminal can indicate whether it needs to receive signature information, and the network side device can determine whether it needs to send signature information according to the terminal's instructions.
- the above terminal has indicated to the network side device that the second system information message is required.
- the terminal has already displayed the need for the second system information message.
- the first condition includes that the terminal has indicated to the network side device that the second system information message is needed
- the terminal only needs to indicate to the network side device that the second system information message is needed
- the network side device The second system information message and the first system information message carrying the signature information of the second system information message are sent. That is to say, the terminal only needs to apply for the second system information message to the network side device, and does not need to apply for the first system information message.
- the network side device will send the second system information message and the signature information carrying the second system information message.
- the first system information message can save the power consumption of terminals and network-side devices, as well as save air interface resources.
- the above-mentioned first condition may only include that the status of the above-mentioned second system information message is sent, that is, the network side device ensures that the status of the second system information message and the first system information message are consistent. , this can avoid trying to receive the first system information message when the first system information message is not sent; in some embodiments, the above first condition may only include that the terminal has indicated to the network side device that signature information is required, so that Can So that the terminal only receives the first system information message when the network broadcasts a system information message carrying signature information; in some embodiments, the above-mentioned first condition may only include that the terminal has indicated to the network side device that the first system information message is required. For the second system information message, for example, the network side device ensures that the status of the second system information message and the first system information message are consistent, so that the terminal can only try to receive the first system information message when the first system information message is broadcast by the network.
- the terminal has indicated to the network side device that signature information is required and the terminal has indicated to the network side device that the second system information is required.
- the message includes: after sending the relevant indication, the terminal After receiving the corresponding feedback information sent by the network side device, the first system information message is received.
- the first system information message can be transmitted between the network side device and the terminal under the first condition, thereby saving air interface resources.
- the network side device also sends the first system information message under the first condition, thereby saving power consumption of the network side device, saving air interface resources, and reducing network interference.
- the network side device may generate the signature information of the second system information message by taking all or part of the second system information message as input and generating the signature information of the second system information message through a generation operation; the second system Information messages are also called signed system information messages.
- the signature information of the second system information message may be the signature information of the network side device or the cell for the second system information message.
- the terminal may verify at least one of the following based on the signature information of the second system information message:
- the second system information message is legal or meets the expected conditions (such as deployed by the operator corresponding to the public land mobile network (Public Land Mobile Network, PLMN) to which the terminal is registered) sent by the network side device;
- PLMN Public Land Mobile Network
- the signature information in the embodiment of the present application is information used to verify at least one of the above items.
- the status of the second system information message is sent, including:
- the third system information message received by the terminal indicates that the status of the second system information message is sending
- the third system information message is MIB or SIB1.
- the status of the above-mentioned second system information message is broadcasting status (broadcasting), which can be specifically indicated by the si-BroadcastStatus field (field) in SIB1.
- broadcasting can be specifically indicated by the si-BroadcastStatus field (field) in SIB1.
- SIB1 there is a field in SIB1:
- si-BroadcastStatus has two values: broadcasting and notBroadcasting.
- si-BroadcastStatus The corresponding status of si-BroadcastStatus is as follows:
- the status of the second system information message is not sent, including:
- the third system information message received by the terminal indicates that the status of the second system information message is not sent or not broadcast or not being broadcast (notBroadcasting);
- the third system information message is MIB or SIB1, as indicated by the si-BroadcastStatus field (field) in SIB1.
- the MIB or SIB1 it is possible to determine whether the status of the second system information message is sending through the MIB or SIB1 received by the terminal, thereby receiving the first system information message when the status of the second system information message is sending. In this way, since the MIB or SIB1 is used to indicate whether the status of the second system information message is sent, it is possible to avoid introducing additional system information indication fields, such as the indication field used to indicate the status of the first system information message, to save transmission overhead.
- the status of the second system information message is sent, including:
- the network side device instructs the network side device to broadcast the second system information message in a first time window, where the first time window is a time window corresponding to the second system information message.
- the above-mentioned first time window may be a time window corresponding to each cycle when the second system information message is sent periodically.
- the first time window is a potential time domain location range used to instruct the network side device to broadcast the second system information message
- the first time window is a potential time domain location range used to instruct the terminal to receive the second system information message.
- the potential time domain location range for the terminal to receive the second system information message needs to be consistent with the potential time domain location range for the network side device to broadcast the second system information message.
- the terminal when the network side device broadcasts the second system information message in the first time window, the terminal receives the first system information message.
- the status of the first system information message is sent, including:
- the network side device instructs the network side device to broadcast the first system information message in a second time window, where the second time window is a time window corresponding to the first system information message.
- the terminal when the status of the second system information message in the first time window is not sent, the terminal does not receive the first system information message in the second time window, and the second time window
- the window is a time window corresponding to the first system information message.
- the above-mentioned second time window may be a potential time-domain location range used to instruct the network side device to broadcast the first system information message, or the above-mentioned second time window may be a potential time-domain location used to instruct the terminal to receive the first system information message. scope. Obviously, the potential time domain location range for the terminal to receive the first system information message needs to be consistent with the potential time domain location range for the network side device to broadcast the first system information message.
- the status of the first system information message and the second system information message are consistent, that is, the status of the signature information and the signed system information are consistent. For example: if SI message Not broadcast status.
- the MIB and SIB1 may always be in the broadcast state, and the SI message where the signature information of the MIB and SIB1 is located is also in the broadcast state.
- the first system information message satisfies at least one of the following:
- the fourth system information message is a system information message used to carry signature information of other system information (other SI).
- the other system information is a system other than the MIB and SIB1. information.
- the above-mentioned system information message dedicated to carrying signature information can be understood as: when the second system information message is MIB or SIB1, the above-mentioned first system information message is only used to carry the SIB where the signature information is located, and not Carrying other SIBs can reduce complexity by sending the signature information of MIB or SIB1 through a system information message dedicated to carrying signature information.
- the difference between the above and the fourth system information message can be understood as that the system information message carrying signature information of MIB or SIB1 is different from the system information message carrying signature information of other system information. In this way, since the first system information message and the fourth system information message different and thus can be sent in different ways.
- signature information carrying MIB or SIB1 is always broadcast (without terminal request); system information messages carrying signature information of other system information can be broadcast based on terminal request (on demand mode).
- the terminal receives SIB1 and/or MIB and SI message Y;
- the terminal verifies SIB1 and/or MIB based on the signature information in the received SI message Y.
- SI message Y and SI message Z carrying other SI are different SI messages.
- the SI message Y that carries the signature of MIB/SIB1 is different from the SI message that carries the signature of other SI messages.
- the method further includes:
- the terminal receives a third system information message, and the third system information message is MIB or SIB1.
- the third system information message implicitly indicates the status of the first system information message:
- the terminal determines that the status of the first system information message is sent.
- the terminal determines that the status of the first system information message is not sent
- the terminal receives the first system information message when the status of the first system information message is sent.
- the second system information message includes other system information other than MIB or SIB1.
- the MIB or SIB1 may explicitly indicate the status of the first system information message.
- the terminal receives MIB or SIB1, and MIB or SIB1 indicates whether other system information messages (except SIB1 and other SI messages of MIB) are being broadcast;
- MIB or SIB1 explicitly indicates whether SI message Y carrying signature information is being broadcast, that is, there is an information bit in MIB or SIB1 indicating whether SI message Y is being broadcast;
- MIB or SIB1 implicitly indicates whether SI message Y carrying signature information is being broadcast, that is, there is no information bit in MIB or SIB1 indicating whether SI message Y is being broadcast. If the signed SI message X is being broadcast, then the SI message Y carrying the signature information of the SI message If no SI message is being broadcast, then SI message Y is not being broadcast.
- the terminal receives the required SI message SI message Y corresponding to X.
- the terminal verifies SI message X based on the signature information in the received SI message Y.
- the network side device follows a similar binding relationship when sending SI messages. That is, the status of the signed SI message X and the SI message Y carrying the signature information are consistent, and both are being sent or not being sent.
- indicating to the network side device that the second system information message is needed includes:
- the terminal sends a system information request (SI req) to the network side device, where the system information request is used to request the second system information message;
- SI req system information request
- the method also includes:
- the terminal receives the second system information message sent by the network side device.
- the above system information request may be message 1 (msg1) or message 3 (msg3) in the random access process, or other uplink messages, which is not limited.
- the terminal only needs to send the system information request for the second system information message, and does not need to send the system information request for the first system information message, so that It can save the power consumption of terminals and network-side devices, as well as save air interface resources.
- the terminal needs to send a system information request.
- the terminal identifies the requested SI by using different Random Access Channel (RACH) time-frequency resources or preambles corresponding to different indexes when sending the preamble.
- message for example SI message X.
- the corresponding relationship between the SI message and the RACH time-frequency resource configuration/preamble is indicated in the MIB or SIB1, or is agreed upon in the protocol.
- the terminal sends the preamble1 identifier to request the broadcast of SI message X1; sends the preamble2 identifier to request the broadcast of SI message At time-frequency position 2, the terminal sends the preamble1 identifier to request the broadcast of SI message X2.
- the network side device After receiving the system information request from the terminal UE (which only indicates that SI message X is required), the network side device sends the SI message X requested by the terminal and the SI message Y corresponding to SI message X. Among them, the terminal has not indicated the need to request SI message Y. SI message Y is inferred by the network side device based on the mapping relationship with SI message X.
- the terminal receives the required SI message X in the receiving window of a SI message
- the terminal verifies SI message X based on the signature information in the received SI message Y.
- the terminal does not need to send a separate system information request to indicate that it needs SI message Y.
- the terminal when the terminal indicates to the network side device that the second system information message is required, it may not indicate whether a signature is required. For example: terminals that require signatures and terminals that do not require signatures both send msg1 at the same time-frequency resource location. The network-side device does not know whether the terminals require signatures and defaults to the fact that the terminals do. After receiving msg1, the network side device starts broadcasting the second system information message and the first system information message. After the second system information message and the first system information message are broadcast in this way, all terminals in the cell may receive them. Even if the terminal requesting system information does not support signature verification, other terminals that receive the system information may support signature verification. In this case, the terminal does not need to indicate the need for a signature, and the network side device will proactively send a signature.
- system information request is also used to explicitly or implicitly indicate to the network side device that signature information is required.
- the above system information request may indicate that signature information is required, or may indicate that signature information is required by indicating that the terminal supports signature verification.
- system information request is also used to explicitly or implicitly indicate to the network side device that signature information is required, no additional signaling is required for the required signature information, thereby reducing transmission overhead.
- the system information request includes indication information, the indication information being used to indicate that signature information is required; or
- the terminal sends the system information request based on a first resource configuration.
- the first resource configuration is a resource configuration in a resource configuration set for a terminal that needs signature information to send the system information request.
- the resource configuration set is used for Requesting a resource configuration set of the second system information message.
- the above indication information may be indicated through an indication field.
- the above system information request indicates that signature information is required or signature verification is supported through a 1-bit indication field.
- the above-mentioned first resource configuration may be time-frequency resource configuration or preamble configuration, such as RACH time-frequency resource configuration or preamble index.
- the above resource configuration set may be configured by the network side device or agreed upon by the protocol.
- the above first resource configuration is a resource configuration in the resource configuration set for the terminal that needs signature information to send the system information request
- the network side device determines that the terminal sends the above system information request based on the first resource configuration, it can determine that the terminal Signature information is required.
- the above resource configuration set also includes:
- the second resource configuration is used for a terminal that does not need signature information to send the system information request.
- the terminal when the terminal sends a system information request, it can select the corresponding resource configuration for sending according to whether signature information is needed or not, thereby realizing that the first resource configuration of the system information request is sent to indicate whether signature information is needed or not to save transmission overhead.
- the network side device indicates two different sets of system information request configurations (such as two sets of RACH time-frequency resource configurations/preamble indexes, etc.) for one SI message
- the network side device If the network side device receives a request from a terminal that does not require signature verification and requires broadcasting SI message X, the network side device broadcasts SI message X;
- the network side device If the network side device receives a request from a terminal that requires signature verification and requires broadcasting SI message X, the network side device broadcasts SI message X and SI message Y.
- the system information request is used to request multiple system information messages including the second system information message, and the indication information is used to indicate that signature information of the multiple system information messages is required.
- multiple system information messages can be requested from the network side device through one system information request, and the same indication information indicates that signature information of the multiple system information messages is required, which can save transmission overhead.
- the terminal sends a system information request.
- the terminal that requires a signature indicates that it needs to send a signature by carrying indication information in the system information request. For example: in the system information request, the terminal indicates that SI message X1 and X2 are required, and at the same time, uses 1 bit to indicate that the system information request requires signature information or supports signature verification.
- the network side device After receiving the system information request, the network side device broadcasts SI message X1 and X2 and SI message Y1 and Y2 that carry the information of SI message X1 and X2.
- Terminals that do not require signatures or do not support signature verification do not carry the above indication information.
- the embodiments of the present application are not limited to indicating the need for a second system information message and indicating the need for signature information through the above-mentioned system information request.
- other signaling can also be referenced to the network.
- the side device indicates that the second system information message and signature information are required, and there is no specific limitation on this.
- the first system information message is a system information message that does not require signature information verification.
- system information message carrying signature information can be implemented as a system information message that does not require signature information verification. This reduces transmission overhead because the signature information of the first system information message does not need to be transmitted.
- the terminal receives the first system information message under the first condition, and the first system information message carries the signature information of the second system information message; wherein the first condition includes at least one of the following Item: the status of the second system information message is sent; the terminal has indicated to the network side device that signature information is needed; the terminal has indicated to the network side device that the second system information message is needed.
- the first condition includes at least one of the following Item: the status of the second system information message is sent; the terminal has indicated to the network side device that signature information is needed; the terminal has indicated to the network side device that the second system information message is needed.
- the terminal After the terminal requests the required second system information message, it receives the second system information message and the first system information message (carrying the signature information of the network side device or cell for the second system information message);
- the network side device receives the system information request and requests to broadcast the second system information message; the network side device broadcasts the second system information message and the first system information message;
- the network side device For system information requests based on msg1, the network side device provides two sets of system information request configurations for the second system information message application, corresponding to required/not required signature information respectively;
- the terminal selects the appropriate system information request resource based on msg1 and sends the system information request;
- the terminal For system information requests based on msg3, the terminal indicates that a signature is required in the system information request;
- the network side device broadcasts or does not broadcast the first system information message according to the instruction of the system information request.
- Figure 3 is a flow chart of a system information message sending method provided by an embodiment of the present application. As shown in Figure 3, it includes the following steps:
- Step 301 The network side device sends a first system information message under the first condition, where the first system information message carries the signature information of the second system information message;
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the network side device receives an instruction indicating that signature information is required
- the network side device receives an indication indicating that the second system information message is required.
- the status of the second system information message being sent includes:
- the third system information message sent by the network side device indicates that the status of the second system information message is sent
- the third system information message is a main information block MIB or a system information block SIB1.
- the status of the second system information message being sent includes:
- the network side device broadcasts the second system information message in a first time window, and the first time window is a time window corresponding to the second system information message.
- the network side device determines that the status of the first system information message in the second time window is not sent.
- the second time window is the time window corresponding to the first system information message.
- the network side device ensures that the status of the first system information message and the second system information message are synchronized.
- the first system information message satisfies at least one of the following:
- the fourth system information message is a system information message used to carry signature information of other system information, and the other system information is system information except the MIB and SIB1.
- the method also includes:
- the network side device sends a third system information message, where the third system information message is MIB or SIB1;
- the third system information message when the third system information message indicates that the status of the second system information message is sending, the third system information message implicitly indicates that the status of the first system information message is sending;
- the third system information message When the third system information message indicates that the status of the second system information message is not sent, the third system information message implicitly indicates that the status of the first system information message is not sent.
- the network side device receives an indication indicating that the second system information message is required, including:
- the network side device receives a system information request sent by the terminal, the system information request is used to request the second system information message, and the first system information message is sent based on the system information request;
- the method also includes:
- the network side device sends the second system information message to the terminal.
- system information request is also used to explicitly or implicitly indicate to the network side device that signature information is required.
- the system information request includes indication information, the indication information being used to indicate that signature information is required; or
- the system information request is sent based on a first resource configuration.
- the first resource configuration is a resource configuration in a resource configuration set for a terminal that needs signature information to send the system information request.
- the resource configuration set is a resource configuration set used to request the second system information message.
- the resource configuration set also includes:
- the second resource configuration is used for a terminal that does not need signature information to send the system information request.
- the system information request is used to request multiple system information messages including the second system information message, and the indication information is used to indicate that signature information of the multiple system information messages is required.
- the first system information message is a system information message that does not require signature information verification.
- this embodiment is an implementation of the network-side device corresponding to the embodiment shown in Figure 2.
- the relevant description of the embodiment shown in Figure 2 please refer to the relevant description of the embodiment shown in Figure 2 to avoid repeated description. No further details will be given in this embodiment.
- Figure 4 is a structural diagram of a system information message receiving device provided by an embodiment of the present application.
- the system information message receiving device 400 includes:
- the first receiving module 401 is configured to receive a first system information message under a first condition, where the first system information message carries the signature information of the second system information message;
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the terminal corresponding to the device has indicated to the network side device that signature information is required;
- the terminal has indicated to the network side device that the second system information message is needed.
- the terminal corresponding to the above-mentioned device may be that the above-mentioned terminal includes the above-mentioned device, or the above-mentioned device is the above-mentioned terminal.
- the above-mentioned device further includes a verification module, configured to use the signature information of the above-mentioned second system information message to verify the above-mentioned second system information message.
- the status of the second system information message is sent, including:
- the third system information message received by the terminal indicates that the status of the second system information message is sending
- the third system information message is a main information block MIB or a system information block SIB1.
- the status of the second system information message is sent, including:
- the network side device instructs the network side device to broadcast the second system information message in a first time window, where the first time window is a time window corresponding to the second system information message.
- the terminal when the status of the second system information message in the first time window is not sent, the terminal does not receive the first system information message in the second time window, and the second time window
- the window is a time window corresponding to the first system information message.
- the first system information message satisfies at least one of the following:
- the fourth system information message is a system information message used to carry signature information of other system information, and the other system information is system information except the MIB and SIB1.
- the device also includes:
- the second receiving module is configured to receive a third system information message, where the third system information message is MIB or SIB1, when the third system information message implicitly indicates the status of the first system information message:
- the terminal determines that the status of the first system information message is sent.
- the terminal determines that the status of the first system information message is not sent
- the terminal receives the first system information message when the status of the first system information message is sent.
- the indicating to the network side device that the second system information message is needed includes:
- the terminal sends a system information request to the network side device, where the system information request is used to request the second system information message;
- the device also includes:
- the third receiving module is configured to receive the second system information message sent by the network side device.
- system information request is also used to explicitly or implicitly indicate to the network side device that signature information is required.
- the system information request includes indication information, the indication information being used to indicate that signature information is required; or
- the terminal sends the system information request based on a first resource configuration.
- the first resource configuration is a resource configuration in a resource configuration set for a terminal that needs signature information to send the system information request.
- the resource configuration set is used for Requesting a resource configuration set of the second system information message.
- the resource configuration set also includes:
- the second resource configuration is used for a terminal that does not need signature information to send the system information request.
- the system information request is used to request multiple system information messages including the second system information message, and the indication information is used to indicate that signature information of the multiple system information messages is required.
- the first system information message is a system information message that does not require signature information verification.
- the above system information message receiving device can save air interface resources.
- the system information message receiving device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip.
- the electronic device may be a terminal or other devices other than the terminal.
- the terminal may include but is not limited to the types of terminals listed in the embodiments of this application, and other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., which are not specifically limited in the embodiments of this application.
- NAS Network Attached Storage
- the system information message receiving device provided by the embodiment of the present application can implement each process implemented by the method embodiment shown in Figure 2 and achieve the same technical effect. To avoid duplication, the details will not be described here.
- Figure 5 is a structural diagram of a system information message sending device provided by an embodiment of the present application. As shown in Figure 5, the system information message sending device 500 includes:
- the first sending module 501 is configured to send a first system information message under the first condition, where the first system information message carries the signature information of the second system information message;
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the network side device corresponding to the device receives an instruction indicating that signature information is required
- the network side device receives an indication indicating that the second system information message is required.
- the network side device corresponding to the above device may be that the above network side device includes the above device, or the above device is the above network side device.
- the status of the second system information message is sent, including:
- the third system information message sent by the network side device indicates that the status of the second system information message is sent
- the third system information message is a main information block MIB or a system information block SIB1.
- the status of the second system information message is sent, including:
- the network side device broadcasts the second system information message in a first time window, and the first time window is a time window corresponding to the second system information message.
- the network side device determines that the status of the first system information message in the second time window is not sent.
- the second time window is the time window corresponding to the first system information message.
- the first system information message satisfies at least one of the following:
- the fourth system information message is a system information message used to carry signature information of other system information, and the other system information is system information except the MIB and SIB1.
- the device also includes:
- the second sending module is used to send a third system information message, where the third system information message is MIB or SIB1;
- the third system information message when the third system information message indicates that the status of the second system information message is sending, the third system information message implicitly indicates that the status of the first system information message is sending;
- the third system information message When the third system information message indicates that the status of the second system information message is not sent, the third system information message implicitly indicates that the status of the first system information message is not sent.
- the network side device receives an indication indicating that the second system information message is required, including:
- the network side device receives a system information request sent by the terminal, the system information request is used to request the second system information message, and the first system information message is sent based on the system information request;
- the device also includes:
- the third sending module is configured to send the second system information message to the terminal.
- system information request is also used to explicitly or implicitly indicate to the network side device that signature information is required.
- the system information request includes indication information, the indication information being used to indicate that signature information is required; or
- the system information request is sent based on a first resource configuration.
- the first resource configuration is a resource configuration in a resource configuration set for a terminal that needs signature information to send the system information request.
- the resource configuration set is a resource configuration set used to request the second system information message.
- the resource configuration set also includes:
- the second resource configuration is used for a terminal that does not need signature information to send the system information request.
- the system information request is used to request multiple system information messages including the second system information message, and the indication information is used to indicate that the terminal needs signature information of the multiple system information messages. .
- the first system information message is a system information message that does not require signature information verification.
- the above system information message receiving device can save air interface resources.
- the unified information message receiving device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip.
- the electronic device may be a network device.
- the system information message receiving device provided by the embodiment of the present application can implement each process implemented by the method embodiment shown in Figure 3 and achieve the same technical effect. To avoid duplication, the details will not be described here.
- this embodiment of the present application also provides a communication device 600, which includes a processor 601 and a memory 602.
- the memory 602 stores programs or instructions that can be run on the processor 601, for example.
- the communication device 600 is a terminal, when the program or instruction is executed by the processor 601, the above system information message receiving method is implemented.
- Each step of the embodiment can achieve the same technical effect.
- the communication device 600 is a network-side device, when the program or instruction is executed by the processor 601, each step of the above system information message sending method embodiment is implemented, and the same technical effect can be achieved.
- An embodiment of the present application also provides a terminal, including a processor and a communication interface, wherein the communication interface is used to receive a first system information message under a first condition, and the first system information message carries a second system information message.
- This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
- the embodiment of the present application also provides a terminal.
- the terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, etc. At least some parts.
- the terminal 700 may also include a power supply (such as a battery) that supplies power to various components.
- the power supply may be logically connected to the processor 710 through a power management system, thereby managing charging, discharging, and power consumption through the power management system. Management and other functions.
- the terminal structure shown in FIG. 7 does not constitute a limitation on the terminal.
- the terminal may include more or fewer components than shown in the figure, or some components may be combined or arranged differently, which will not be described again here.
- the input unit 704 may include a graphics processing unit (Graphics Processing Unit, GPU) 7041 and a microphone 7042.
- the graphics processing unit 7041 is responsible for the image capture device (GPU) in the video capture mode or the image capture mode. Process the image data of still pictures or videos obtained by cameras (such as cameras).
- the display unit 706 may include a display panel 7061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 707 includes a touch panel 7071 and at least one of other input devices 7072 .
- Touch panel 7071 also called touch screen.
- the touch panel 7071 may include two parts: a touch detection device and a touch controller.
- Other input devices 7072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.
- the radio frequency unit 701 after receiving downlink data from the network device, the radio frequency unit 701 can transmit it to the processor 710 for processing; in addition, the radio frequency unit 701 can send uplink data to the network device.
- the radio frequency unit 701 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.
- Memory 709 may be used to store software programs or instructions as well as various data.
- the memory 709 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc.
- memory 709 may include volatile memory or non-volatile memory, or memory 709 may include both volatile and non-volatile memory.
- the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM) ), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
- RAM Random Access Memory
- SRAM static random access memory memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- SDRAM synchronous dynamic random access memory
- DDRSDRAM double data rate synchronous dynamic random access memory
- Enhanced SDRAM, ESDRAM synchronous link dynamic random access memory
- Synch link DRAM, SLDRAM synchronous link dynamic random access memory
- Direct Rambus RAM Direct Rambus RAM
- the processor 710 may include one or more processing units; optionally, the processor 710 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above-mentioned modem processor may not be integrated into the processor 710.
- the terminal 700 in the embodiment of the present application also includes: instructions or programs stored in the memory 709 and executable on the processor 710.
- the processor 710 calls the instructions or programs in the memory 709 to execute the modules shown in Figure 4. method and achieve the same technical effect. To avoid duplication, we will not repeat it here.
- the radio frequency unit 701 is configured to receive a first system information message under the first condition, where the first system information message carries the signature information of the second system information message;
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the terminal has indicated to the network side device that signature information is required;
- the terminal has indicated to the network side device that the second system information message is needed.
- the status of the second system information message is sent, including:
- the third system information message received by the terminal indicates that the status of the second system information message is sending
- the third system information message is a main information block MIB or a system information block SIB1.
- the status of the second system information message is sent, including:
- the network side device instructs the network side device to broadcast the second system information message in a first time window, where the first time window is a time window corresponding to the second system information message.
- the terminal when the status of the second system information message in the first time window is not sent, the terminal does not receive the first system information message in the second time window, and the second time window
- the window is a time window corresponding to the first system information message.
- the first system information message satisfies at least one of the following:
- the fourth system information message is a system information message used to carry signature information of other system information, and the other system information is system information except the MIB and SIB1.
- the radio frequency unit 701 is also used for:
- the third system information message is MIB or SIB1.
- the third system information message is MIB or SIB1
- the information message implicitly indicates the status of the first system information message:
- the terminal determines that the status of the first system information message is sent.
- the terminal determines that the status of the first system information message is not sent
- the terminal receives the first system information message when the status of the first system information message is sent.
- the indicating to the network side device that the second system information message is needed includes:
- the terminal sends a system information request to the network side device, where the system information request is used to request the second system information message;
- RF unit 701 is also used for:
- system information request is also used to explicitly or implicitly indicate to the network side device that signature information is required.
- the system information request includes indication information, the indication information being used to indicate that signature information is required; or
- the terminal sends the system information request based on a first resource configuration.
- the first resource configuration is a resource configuration in a resource configuration set for a terminal that needs signature information to send the system information request.
- the resource configuration set is used for Requesting a resource configuration set of the second system information message.
- the resource configuration set also includes:
- the second resource configuration is used for a terminal that does not need signature information to send the system information request.
- the system information request is used to request multiple system information messages including the second system information message, and the indication information is used to indicate that signature information of the multiple system information messages is required.
- the first system information message is a system information message that does not require signature information verification.
- the above terminal can save air interface resources.
- An embodiment of the present application also provides a network side device, including a processor and a communication interface, wherein the communication interface is used to send a first system information message under the first condition, and the first system information message carries Signature information of the second system information message; wherein the first condition includes at least one of the following: the status of the second system information message is sent; the network side device corresponding to the device receives information indicating that signature is required an indication; the network side device receives an indication indicating that the second system information message is required.
- This network-side device embodiment corresponds to the above-mentioned network-side device-side method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
- the embodiment of the present application also provides a network side device.
- the network side device 800 includes: an antenna 801 , a radio frequency device 802 , a baseband device 803 , a processor 804 and a memory 805 .
- Antenna 801 is connected to radio frequency device 802.
- the radio frequency device 802 receives information through the antenna 801 and sends the received information to the baseband device 803 for processing.
- the baseband device 803 processes the information to be sent and concurrently The information is sent to the radio frequency device 802.
- the radio frequency device 802 processes the received information and then sends it out through the antenna 801.
- the method performed by the network side device in the above embodiment can be implemented in the baseband device 803, which includes a baseband processor.
- the baseband device 803 may include, for example, at least one baseband board on which multiple chips are disposed, as shown in FIG. Program to perform the network device operations shown in the above method embodiments.
- the network side device may also include a network interface 806, which is, for example, a common public radio interface (CPRI).
- a network interface 806, which is, for example, a common public radio interface (CPRI).
- CPRI common public radio interface
- the network side device 800 in this embodiment of the present application also includes: instructions or programs stored in the memory 805 and executable on the processor 804.
- the processor 804 calls the instructions or programs in the memory 805 to execute each of the steps shown in Figure 5. The method of module execution and achieving the same technical effect will not be described in detail here to avoid duplication.
- the radio frequency device 802 is configured to send a first system information message under the first condition, where the first system information message carries the signature information of the second system information message;
- the first condition includes at least one of the following:
- the status of the second system information message is sent;
- the network side device receives an instruction indicating that signature information is required
- the network side device receives an indication indicating that the second system information message is required.
- the status of the second system information message is sent, including:
- the third system information message sent by the network side device indicates that the status of the second system information message is sent
- the third system information message is a main information block MIB or a system information block SIB1.
- the status of the second system information message is sent, including:
- the network side device broadcasts the second system information message in a first time window, and the first time window is a time window corresponding to the second system information message.
- the network side device determines that the status of the first system information message in the second time window is not sent.
- the second time window is the time window corresponding to the first system information message.
- the first system information message satisfies at least one of the following:
- the fourth system information message is a system information message used to carry signature information of other system information, and the other system information is system information except the MIB and SIB1.
- the radio frequency device 802 is also used for:
- the third system information message when the third system information message indicates that the status of the second system information message is sending, the third system information message implicitly indicates that the status of the first system information message is sending;
- the third system information message When the third system information message indicates that the status of the second system information message is not sent, the third system information message implicitly indicates that the status of the first system information message is not sent.
- the network side device receives an indication indicating that the second system information message is required, including:
- the network side device receives a system information request sent by the terminal, the system information request is used to request the second system information message, and the first system information message is sent based on the system information request;
- RF device 802 is also used to:
- system information request is also used to explicitly or implicitly indicate to the network side device that signature information is required.
- the system information request includes indication information, the indication information being used to indicate that signature information is required; or
- the system information request is sent based on a first resource configuration.
- the first resource configuration is a resource configuration in a resource configuration set for a terminal that needs signature information to send the system information request.
- the resource configuration set is a resource configuration set used to request the second system information message.
- the resource configuration set also includes:
- the second resource configuration is used for a terminal that does not need signature information to send the system information request.
- the system information request is used to request multiple system information messages including the second system information message, and the indication information is used to indicate that the terminal needs signature information of the multiple system information messages. .
- the first system information message is a system information message that does not require signature information verification.
- the above network side devices can save air interface resources.
- Embodiments of the present application also provide a readable storage medium.
- Programs or instructions are stored on the readable storage medium.
- the steps of the system information message receiving method provided by the embodiments of the present application are implemented.
- the steps of the system information sending method provided by the embodiment of the present application are implemented.
- the processor is the processor in the terminal described in the above embodiment.
- the readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.
- An embodiment of the present application further provides a chip.
- the chip includes a processor and a communication interface.
- the communication interface is coupled to the processor.
- the processor is used to run programs or instructions to implement the above system information message receiving method or Each process of the embodiment of the system information sending method can achieve the same technical effect. To avoid duplication, it will not be described again here.
- chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
- Embodiments of the present application further provide a computer program/program product.
- the computer program/program product is stored in a storage medium.
- the computer program/program product is executed by at least one processor to implement the above system information message receiving method. Or each process of the embodiment of the system information sending method, and can achieve the same technical effect, so to avoid duplication, they will not be described again here.
- the embodiment of the present application provides a system information message transmission system, including: a terminal and a network side device.
- the terminal can be used to perform the steps of the system information message receiving method provided by the embodiment of the present application.
- the network side device can be used to Execute the steps of the system information sending method provided by the embodiment of the present application.
- the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation.
- the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to the existing technology.
- the computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.
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Abstract
本申请公开了一种系统信息消息接收方法、发送方法、终端及网络侧设备,属于通信技术领域,本申请实施例的系统信息消息接收方法包括:终端在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述终端已向网络侧设备指示需要签名信息;所述终端已向所述网络侧设备指示需要所述第二系统信息消息。
Description
相关申请的交叉引用
本申请主张在2022年8月26日在中国提交的中国专利申请No.202211033413.0的优先权,其全部内容通过引用包含于此。
本申请属于通信技术领域,具体涉及一种系统信息消息接收方法、发送方法、终端及网络侧设备。
通信系统中为了避免终端接入非法网络侧设备或者避免系统信息消息被篡改等安全问题,常用采用的技术手段是,对网络侧设备发送的系统信息进行签名验证。具体为,网络侧设备广播系统信息的签名信息,且目前网络侧设备对于承载签名信息的系统信息的状态是一直保持在发送,也就是说,网络侧设备在该系统信息的每个周期上都会发送该系统信息,这样导致空口资源开销较大。
发明内容
本申请实施例提供一种系统信息消息接收方法、发送方法、终端及网络侧设备,能够解决空口资源开销较大的问题。
第一方面,提供了一种系统信息消息接收方法,包括:
终端在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述终端已向网络侧设备指示需要签名信息;
所述终端已向所述网络侧设备指示需要所述第二系统信息消息。
第二方面,提供了一种系统信息消息发送方法,包括:
网络侧设备在第一条件下,发送第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述网络侧设备收到用于指示需要签名信息的指示;
所述网络侧设备收到用于指示需要所述第二系统信息消息的指示。
第三方面,提供了一种系统信息消息接收装置,包括:
第一接收模块,用于在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述装置对应的终端已向网络侧设备指示需要签名信息;
所述终端已向所述网络侧设备指示需要所述第二系统信息消息。
第四方面,提供了一种系统信息消息发送装置,包括:
第一发送模块,用于在第一条件下,发送第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述装置对应的网络侧设备收到用于指示需要签名信息的指示;
所述网络侧设备收到用于指示需要所述第二系统信息消息的指示。
第五方面,提供了一种终端,该终端包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如本申请实施例提供的系统信息消息接收方法的步骤。
第六方面,提供了一种终端,包括处理器及通信接口,其中,所述通信接口用于在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述装置对应的终端已向网络侧设备指示需要签名信息;所述终端已向所述网络侧设备指示需要所述第二系统信息消息。
第七方面,提供了一种网络侧设备,该网络侧设备包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如本申请实施例提供的系统信息消发送方法的步骤。
第八方面,提供了一种网络侧设备,包括处理器及通信接口,其中,所述通信接口用于在第一条件下,发送第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述装置对应的网络侧设备收到用于指示需要签名信息的指示;所述网络侧设备收到用于指示需要所述第二系统信息消息的指示。
第九方面,提供了一种系统信息消传输系统,包括:终端及网络侧设备,所述终端可用于执行如本申请实施例提供的系统信息消息接收方法的步骤,所述网络侧设备可用于执行如本申请实施例提供的系统信息消发送方法的步骤。
第十方面,提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程
序或指令被处理器执行时实现如本申请实施例提供的系统信息消息接收方法的步骤,或者实现如本申请实施例提供的系统信息消发送方法的步骤。
第十一方面,提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如本申请实施例提供的系统信息消息接收方法,或实现如本申请实施例提供的系统信息消发送方法。
第十二方面,提供了一种计算机程序/程序产品,所述计算机程序/程序产品被存储在存储介质中,所述计算机程序/程序产品被至少一个处理器执行以实现如本申请实施例提供的系统信息消息接收方法的步骤,或者所述计算机程序/程序产品被至少一个处理器执行以实现如本申请实施例提供的系统信息消发送方法的步骤。
在本申请实施例中,终端在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述终端已向网络侧设备指示需要签名信息;所述终端已向所述网络侧设备指示需要所述第二系统信息消息。这样可以实现网络侧设备与终端之间在第一条件下传递第一系统信息消息,从而可以节约空口资源。
图1是本申请实施例可应用的一种无线通信系统的框图;
图2是本申请实施例提供的一种系统信息消息接收方法的流程图;
图3是本申请实施例提供的一种系统信息消发送方法的流程图;
图4是本申请实施例提供的一种系统信息消息接收装置的结构图;
图5是本申请实施例提供的一种系统信息消发送装置的结构图;
图6是本申请实施例提供的一种通信设备的结构图;
图7是本申请实施例提供的一种终端的结构图;
图8是本申请实施例提供的一种网络侧设备的结构图。
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”
一般表示前后关联对象是一种“或”的关系。
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,但是这些技术也可应用于NR系统应用以外的应用,如第6代(6th Generation,6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中,终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、增强现实(augmented reality,AR)/虚拟现实(virtual reality,VR)设备、机器人、可穿戴式设备(Wearable Device)、车载设备(Vehicle User Equipment,VUE)、行人终端(Pedestrian User Equipment,PUE)、智能家居(具有无线通信功能的家居设备,如冰箱、电视、洗衣机或者家具等)、游戏机、个人计算机(personal computer,PC)、柜员机或者自助机等终端侧设备,可穿戴式设备包括:智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链等)、智能腕带、智能服装等。需要说明的是,在本申请实施例并不限定终端11的具体类型。网络侧设备12可以包括接入网设备或核心网设备,其中,接入网设备也可以称为无线接入网设备、无线接入网(Radio Access Network,RAN)、无线接入网功能或无线接入网单元。接入网设备可以包括基站、无线局域网(Wireless Local Area Networks,WLAN)接入点或WiFi节点等,基站可被称为节点B、演进节点B(eNB)、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set,BSS)、扩展服务集(Extended Service Set,ESS)、家用B节点、家用演进型B节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述基站不限于特定技术词汇,需要说明的是,在本申请实施例中仅以NR系统中的基站为例进行介绍,并不限定基站的具体类型。核心网设备可以包含但不限于如下至少一项:核心网节点、核心网功能、移动管理实体(Mobility Management Entity,MME)、接入移动管理功能(Access and Mobility Management Function,AMF)、会话管理功能(Session Management Function,SMF)、用户平面功能(User Plane Function,UPF)、策略控制功能(Policy Control Function,PCF)、
策略与计费规则功能单元(Policy and Charging Rules Function,PCRF)、边缘应用服务发现功能(Edge Application Server Discovery Function,EASDF)、统一数据管理(Unified Data Management,UDM),统一数据仓储(Unified Data Repository,UDR)、归属用户服务器(Home Subscriber Server,HSS)、集中式网络配置(Centralized network configuration,CNC)、网络存储功能(Network Repository Function,NRF),网络开放功能(Network Exposure Function,NEF)、本地NEF(Local NEF,或L-NEF)、绑定支持功能(Binding Support Function,BSF)、应用功能(Application Function,AF)等。需要说明的是,在本申请实施例中仅以NR系统中的核心网设备为例进行介绍,并不限定核心网设备的具体类型。
下面结合附图,通过一些实施例及其应用场景对本申请实施例提供的一种系统信息消息接收方法、发送方法、终端及网络侧设备进行详细地说明。
请参见图2,图2是本申请实施例提供的一种系统信息消息接收方法的流程图,如图2所示,包括以下步骤:
步骤201、终端在第一条件下,接收第一系统信息消息(System Information message,SI message),所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述终端已向网络侧设备指示需要签名信息;
所述终端已向所述网络侧设备指示需要所述第二系统信息消息。
其中,上述终端在第一条件下,接收第一系统信息消息可以理解为,终端在第一条件满足的情况下,接收第一系统信息消息。
在一种实现方式中,在第一条件不满足的情况下,终端不接收第一系统信息消息。
上述第二系统信息消息可以是包括一个或者多个系统信息块(System Information Block,SIB)的SI message,这一个或者多个SIB可以是其他SIB,即除主信息块(Master Information Block,MIB)和SIB1之外的SIB。另外,在上述第二系统信息消息包括多个SIB的情况下,这多个SIB具有相同的发送周期。一些实施方式中,上述第二系统信息消息还可以是MIB或SIB1。
在一些实施方式中,上述第二系统信息消息也可以是定位系统广播消息(Positioning System Information Block,pos SIB)。
本申请实施例中,上述第一系统信息消息和第二系统信息消息的状态包括发送或者不发送,例如:除了MIB和SIB1,其他SI message的状态可以在MIB或SIB1中携带。例如通过SIB1中的系统信息广播状态(si-BroadcastStatus)携带,系统信息广播状态的取值包括正在广播和未广播(broadcasting,notBroadcasting)。而第一系统信息消息和第二系统信息消息的状态为发送可以表述为,正在发送或者正在广播。其中,第一系统信息消息和第二系统信息消息的状态为发送具体可以理解为第一系统信息消息和第二系统信息消息在对应的周期上的状态为发送,如在对应的发送窗口内的状态为发送,网络侧设备在第一
系统信息消息和第二系统信息消息对应的发送窗口发送第一系统信息消息和第二系统信息消息。MIB和SIB1的状态只能是发送,即不可以是不发送;因此,无需通过信令指示终端。
另外,本申请实施例中,发送窗口指时域发送窗口。
其中,系统信息消息的状态为不发送可以是,系统信息消息未被广播、未正在被广播或处于非发送状态。具体可以是指在对应的时域发送窗口,网络侧设备未发送/广播对应的系统信息消息。
在一些实施方式中,上述第一系统信息消息的状态和所述第二系统信息的状态同步,例如:在所述第二系统信息的状态为发送的情况下,第一系统信息的状态为发送,在所述第二系统信息的状态为不发送的情况下,第一系统信息的状态为不发送,第一系统信息消息的状态和所述第二系统信息的状态保持一致。
需要说明的是,由于上述第二系统信息消息可以是周期发送,因此,网络侧设备发送第二系统信息消息的时间可以是在上述步骤201之前或者之后,或者与步骤201存在时间重叠,或者在步骤201之前和之后都发送。
上述终端已向网络侧设备指示需要签名信息可以是,在步骤201之前,终端已经通过显式或者隐式的方式向网络侧设备指示了需要签名信息,如指示需要上述第二系统信息消息的签名信息,或者指示需要包括上述第二系统信息消息在内的多个系统信息消息的签名信息,或者指示终端支持签名验证能力。这样可以实现终端通过指示是否需要接收签名信息,网络侧设备根据终端的指示,确定是否需要发送签名信息。
上述终端已向所述网络侧设备指示需要所述第二系统信息消息可以是,在上述第二系统信息消息为基于请求(on demand)方式发送的情况下,在步骤201之前,终端已经通过显式或者隐式的方式向网络侧设备指示需要第二系统信息消息。如果第二系统信息消息不基于请求方式发送,则终端可以不向网络侧设备指示需要第二系统信息消息,如网络侧设备默认小区中存在终端需要第二系统信息消息,或者网络侧设备默认在第二系统信息消息对应的发送窗口发送第二系统信息消息。
本申请实施例中,由于第一条件包括终端已向所述网络侧设备指示需要所述第二系统信息消息,这样可以实现终端只需要向网络侧设备指示需要第二系统信息消息,网络侧设备就会发送第二系统信息消息和承载有第二系统信息消息的签名信息的第一系统信息消息。也就是说,终端只需要向网络侧设备申请第二系统信息消息,不需要申请第一系统信息消息,网络侧设备就会发送第二系统信息消息和承载有第二系统信息消息的签名信息的第一系统信息消息,从而可以节约终端和网络侧设备的功耗,以及节约空口资源。
需要说明的是,在一些实施方式中,上述第一条件可以只包括上述第二系统信息消息的状态为发送,即网络侧设备保证第二系统信息消息和第一系统信息消息的状态一致。,这样可以避免在第一系统信息消息为不发送的情况下尝试接收第一系统信息消息;在一些实施方式中,上述第一条件可以只包括本终端已向网络侧设备指示需要签名信息,这样可
以使得终端仅在网络广播承载签名信息的系统信息消息的情况下接收第一系统信息消息;在一些实施方式中,上述第一条件可以只包括终端已向所述网络侧设备指示需要所述第二系统信息消息,如网络侧设备保证第二系统信息消息和第一系统信息消息的状态一致,这样可以使得终端仅在网络广播第一系统信息消息的情况下尝试接收第一系统信息消息。
作为一种可选的实施方式,所述终端已向网络侧设备指示需要签名信息和所述终端已向所述网络侧设备指示需要所述第二系统信息消息包括,在发送相关指示后,终端收到网络侧设备发送的对应反馈信息后,接收第一系统信息消息。
在本申请实施例中,通过上述步骤可以实现网络侧设备与终端之间在第一条件下传递第一系统信息消息,从而可以节约空口资源。另外,网络侧设备也是在第一条件下发送第一系统信息消息,从而可以节约网络侧设备的功耗,以及节约空口资源和降低网络干扰。
在一些实施方式中,网络侧设备生成第二系统信息消息的签名信息可以是,将第二系统信息消息的全部或者部分作为输入,通过生成操作生成第二系统信息消息的签名信息;第二系统信息消息也被称为被签名的系统信息消息。
在一些实施方式中,第二系统信息消息的签名信息可以是,网络侧设备或者小区对第二系统信息消息的签名信息。
在一些实施方式中,终端可以是基于上述第二系统信息消息的签名信息验证如下至少一项:
第二系统信息消息是否为合法或符合预期条件(如由所述终端所注册的公共陆地移动网络(Public Land Mobile Network,PLMN)对应的运营商部署的)网络侧设备发送;
第二系统信息消息是否被篡改。
也就是说,本申请实施例中签名信息是用于验证上述至少一项的信息。
作为一种可选的实施方式,所述第二系统信息消息的状态为发送,包括:
所述终端接收到的第三系统信息消息指示所述第二系统信息消息的状态为发送;
所述第三系统信息消息为MIB或SIB1。
如上述第二系统信息消息的状态为正在广播状态(broadcasting),具体可以是通过SIB1中si-BroadcastStatus域(field)指示,如SIB1中有一个域:
si-BroadcastStatus ENUMERATED{broadcasting,notBroadcasting},
该域si-BroadcastStatus有两个取值:broadcasting和notBroadcasting。
si-BroadcastStatus对应状态如下:
Broadcasting:发送
notBroadcasting:不发送。
作为一种可选的实施方式,所述第二系统信息消息的状态为不发送,包括:
所述终端接收到的第三系统信息消息指示所述第二系统信息消息的状态为不发送或未广播或未正在被广播(notBroadcasting);
所述第三系统信息消息为MIB或SIB1,如通过SIB1中si-BroadcastStatus域(field)指示。
其中,第一系统信息消息的状态参见上述第二系统信息的状态,此处不作赘述。
该实施方式中,可以实现通过终端接收到的MIB或SIB1确定第二系统信息消息的状态是否为发送,从而在第二系统信息消息的状态为发送的情况下接收第一系统信息消息。这样由于通过MIB或SIB1指示第二系统信息消息的状态是否为发送,从而可以避免引入额外的系统信息指示域,如用于指示第一系统信息消息的状态的指示域,以节约传输开销。
作为一种可选的实施方式,所述第二系统信息消息的状态为发送,包括:
所述网络侧设备指示所述网络侧设备在第一时间窗口广播所述第二系统信息消息,所述第一时间窗口为所述第二系统信息消息对应的时间窗口。
上述第一时间窗口可以是,第二系统信息消息在周期发送的情况下,每个周期对应的时间窗口。例如:第一时间窗口为用于指示网络侧设备广播第二系统信息消息的潜在时域位置范围,或者,第一时间窗口为用于指示终端接收第二系统信息消息的潜在时域位置范围。显然,终端接收第二系统信息消息的潜在时域位置范围与网络侧设备广播第二系统信息消息的潜在时域位置范围需要一致。
该实施方式,可以实现在网络侧设备在第一时间窗口广播第二系统信息消息的情况下,终端接收第一系统信息消息。
作为一种可选的实施方式,所述第一系统信息消息的状态为发送,包括:
所述网络侧设备指示所述网络侧设备在第二时间窗口广播所述第一系统信息消息,所述第二时间窗口为所述第一系统信息消息对应的时间窗口。
可选的,在所述第一时间窗口所述第二系统信息消息的状态为不发送的情况下,所述终端在第二时间窗口不接收所述第一系统信息消息,所述第二时间窗口为所述第一系统信息消息对应的时间窗口。
上述第二时间窗口可以为用于指示网络侧设备广播第一系统信息消息的潜在时域位置范围,或者,上述第二时间窗口可以为用于指示终端接收第一系统信息消息的潜在时域位置范围。显然,终端接收第一系统信息消息的潜在时域位置范围与网络侧设备广播第一系统信息消息的潜在时域位置范围需要一致。
该实施方式中,可以实现第一系统信息消息和第二系统信息消息的状态是保持一致的,也就是说,签名信息和被签名的系统信息的状态保持一致。例如:如果SI message X为正在广播状态,其对应的签名信息所在的SI message Y也设置为正在广播状态;如果SI message X为未广播状态,其对应的签名信息所在的SI message Y也设置为未广播状态。
另外,在一些实施方式中,MIB和SIB1可以一直处于广播状态,而MIB和SIB1的签名信息所在的SI message也一直处于广播状态。
作为一种可选的实施方式,在所述第二系统信息消息为MIB或SIB1的情况下,所述第一系统信息消息满足如下至少一项:
专用于承载所述MIB或SIB1的签名信息的系统信息消息;
与第四系统信息消息不同,所述第四系统信息消息为用于承载其他系统信息(other SI)的签名信息的系统信息消息,所述其他系统信息为除所述MIB和SIB1之外的系统信息。
其中,上述专用于承载签名信息的系统信息消息可以理解为,在所述第二系统信息消息为MIB或SIB1的情况下,上述第一系统信息消息只用于承载签名信息所在的SIB,而不承载其他SIB,这样通过专用于承载签名信息的系统信息消息发送MIB或SIB1的签名信息,从而可以降低复杂度。
上述与第四系统信息消息不同可以理解为,承载MIB或SIB1的签名信息的系统信息消息与承载其他系统信息的签名信息的系统信息消息不同,这样由于第一系统信息消息与第四系统信息消息不同,从而可以以不同的方式发送。
例如:承载MIB或SIB1的签名信息永远广播(无需终端请求);承载其他系统信息的签名信息的系统信息消息可以基于终端请求(on demand方式)广播。
在一个实施例可以如下:
终端接收SIB1和/或MIB以及SI message Y;
终端基于收到的SI message Y中的签名信息,对SIB1和/或MIB进行验证。
其中,SI message Y与承载other SI的SI message Z为不同的SI message;或
承载MIB/SIB1的签名的SI message Y和承载其他SI message的签名的SI message不同。
作为一种可选的实施方式,所述方法还包括:
所述终端接收第三系统信息消息,所述第三系统信息消息为MIB或SIB1,在所述第三系统信息消息隐式指示所述第一系统信息消息的状态的情况下:
所述终端在所述第二系统信息消息的状态为发送的情况下,确定所述第一系统信息消息的状态为发送;或
所述终端在所述第二系统信息消息的状态为不发送的情况下,确定所述第一系统信息消息的状态为不发送;
其中,所述终端在所述第一系统信息消息的状态为发送的情况下,接收所述第一系统信息消息。
该实施方式中,第二系统信息消息包含为MIB或SIB1之外的其他系统信息。
该实施方式中,可以实现只需要在MIB或SIB1指示第二系统信息消息的状态,通过指示第二系统信息消息的发送来隐式指示第一系统信息消息的状态,从而节约MIB或SIB1的信令开销,即根据第二系统信息消息的状态确定第一系统信息消息的状态。
需要说明的是,在一些实施方式中,MIB或SIB1可以显式指示第一系统信息消息的状态。
在一个实施例如下:
终端接收MIB或SIB1,MIB或SIB1指示其他系统信息消息(除了SIB1和MIB的other SI message)是否正在被广播;
方式一、MIB或SIB1显式指示承载签名信息的SI message Y是否正在被广播,即MIB或SIB1中有信息bit指示SI message Y是否正在被广播;
方式二、MIB或SIB1隐式指示承载签名信息的SI message Y是否正在被广播,即MIB或SIB1中无信息bit指示SI message Y是否正在被广播。如果被签名的SI message X正在被广播,则承载SI message X的签名信息的SI message Y被正在广播;如果SI message Y中承载了一个或多个SI message的签名信息,当这一个或多个SI message均未正在被广播,则SI message Y未正在被广播。
其中,如果MIB或SIB1指示终端所需的SI message X正在被广播,则终端在对一个的SI message X的接收窗口,接收所需的SI message X,以及在SI message Y的接收窗口与SI message X对应的SI message Y。
终端基于收到的SI message Y中的签名信息,对SI message X进行验证。
需要说明的是,网络侧设备在进行SI message发送时,遵循类似的绑定关系。即被签名的SI message X和承载签名信息的SI message Y的状态是一致的,均处于正在被发送或不发送。
作为一种可选的实施方式,所述向所述网络侧设备指示需要所述第二系统信息消息,包括:
所述终端向所述网络侧设备发送系统信息请求(SI req),所述系统信息请求用于请求所述第二系统信息消息;
所述方法还包括:
所述终端接收所述网络侧设备发送的所述第二系统信息消息。
上述系统信息请求可以是随机接入过程中的消息1(msg1)或者消息3(msg3),或者其他上行消息,对此不作限定。
该实施方式中,可以实现针对第一系统信息消息和第二系统信息消息,终端只需要发送对于第二系统信息消息的系统信息请求,而不需要发送第一系统信息消息的系统信息请求,从而可以节约终端和网络侧设备的功耗,以及节约空口资源。
一个实施例如下:
如果MIB或SIB1指示:所需的SI message X未被广播,则终端需要发送系统信息请求。
在基于消息1的系统信息请求中,终端通过在发送前导码(preamble)时,使用不同的随机接入信道(Random Access Channel,RACH)时频资源或对应不同索引的preamble来标识所请求的SI message,例如SI message X。其中,SI message和RACH时频资源配置/preamble引的对应关系在MIB或SIB1中指示,或者协议约定。例如:在同一个RACH时频位置,终端发送preamble1标识要求广播SI message X1;发送preamble2标识要求广播SI message X2;或,在RACH时频位置1,终端发送preamble1标识要求广播SI message X1;在RACH时频位置2,终端发送preamble1标识要求广播SI message X2。
网络侧设备在收到终端UE的系统信息请求(仅指示需要SI message X)后,发送终端所请求的SI message X,以及SI message X对应的SI message Y。其中,终端未指示需要请求SI message Y,SI message Y是根据和SI message X的映射关系,网络侧设备自己推断出来的。
终端在对一个的SI message X的接收窗口(对应网络侧设备的发送窗口),接收所需的SI message X,以及在SI message Y的接收窗口与SI message X对应的SI message Y。
终端基于收到的SI message Y中的签名信息,对SI message X进行验证。
可见,在本实施例中,终端无需单独发送系统信息请求指示自己需要SI message Y。
另外,在上述实施方式中,终端向网络侧设备指示需要第二系统信息消息时,可以不指示是否需要签名。例如:需要签名和不需要签名的终端都在相同的时频资源位置发送msg1,网络侧设备不知道终端是否要签名,默认终端需要。网络侧设备收到msg1后,开始广播第二系统信息消息和第一系统信息消息。这样广播第二系统信息消息和第一系统信息消息发送后,小区内所有的终端都可能接收。即便请求系统信息的终端不支持签名验证,接收到系统信息的其他终端可能支持签名验证,从而在这种情况下,终端可以不指示需要签名,网络侧设备主动会发送签名。
可选的,所述系统信息请求还用于向所述网络侧设备显式或者隐式指示需要签名信息。
上述系统信息请求可以指示需要签名信息,或者通过指示终端支持签名验证,以指示需要签名信息。
由于系统信息请求还用于向所述网络侧设备显式或者隐式指示需要签名信息,这样对于需要签名信息不需要增加额外信令,从而降低传输开销。
可选的,所述系统信息请求包括指示信息,所述指示信息用于指示需要签名信息;或者
所述终端基于第一资源配置发送所述系统信息请求,所述第一资源配置为资源配置集中用于需要签名信息的终端发送所述系统信息请求的资源配置,所述资源配置集为用于请求所述第二系统信息消息的资源配置集。
上述指示信息可以是通过指示域指示,如上述系统信息请求通过1比特指示域来指示需要签名信息或者支持签名验证。
上述第一资源配置可以是,时频资源配置或者前导码配置,如RACH时频资源配置或者前导码索引。
上述资源配置集可以是,网络侧设备配置的或者协议约定的。
由于上述第一资源配置为资源配置集中用于需要签名信息的终端发送所述系统信息请求的资源配置,这样当网络侧设备确定终端是基于第一资源配置发送上述系统信息请求,则可以确定终端需要签名信息。
该实施方式中,由于通过发送上述系统信息请求的第一资源配置指示需要签名信息,从而可以降低传输开销。
可选的,上述资源配置集还包括:
第二资源配置,所述第二资源配置用于不需要签名信息的终端发送所述系统信息请求。
这样终端在发送系统信息请求时,可以根据需要或者不需要签名信息选择相应的资源配置进行发送,从而实现通过发送上述系统信息请求的第一资源配置指示需要或不需要签名信息,以节约传输开销。
一个实施例如下:
网络侧设备对于一个SI message X指示两套不同系统信息请求配置(如两套RACH时频资源配置/前导码索引等),分别供需要进行签名验证的终端和不需要进行签名验证的终端使用。
如果网络侧设备收到不需要进行签名验证的终端发送请求,要求广播SI message X,则网络侧设备广播SI message X;
如果网络侧设备收到需要进行签名验证的终端发送请求,要求广播SI message X,则网络侧设备广播SI message X和SI message Y。
可选的,所述系统信息请求用于请求包括所述第二系统信息消息在内的多个系统信息消息,所述指示信息用于指示需要所述多个系统信息消息的签名信息。
该实施方式中,可以实现通过一个系统信息请求向网络侧设备请求多个系统信息消息,且同一个指示信息指示需要所述多个系统信息消息的签名信息,这样可以节约传输开销。
如果MIB或SIB1终端所需的SI message X未被广播,则终端发送系统信息请求。
在基于msg3的系统信息请求中,需要签名的终端通过在系统信息请求中携带指示信息,表示需要发送签名。例如:在系统信息请求中,终端指示需要SI message X1和X2,同时,用1比特指示系统信息请求需要签名信息或支持签名验证。
网络侧设备在收到系统信息请求后,广播SI message X1和X2以及,承载SI message X1和X2的承载信息的SI message Y1和Y2。
而对于不需要签名或不支持签名验证的终端不携带上述指示信息。
需要说明的是,本申请实施例中并不限定通过上述系统信息请求指示需要第二系统信息消息,以及指示需要签名信息,例如:在一些实施方式中,也可以通过引用其他信令来向网络侧设备指示需要第二系统信息消息和签名信息,具体对此不作限定。
作为一种可选的实施方式,所述第一系统信息消息为不需要签名信息验证的系统信息消息。
该实施方式中,可以实现携带签名信息的系统信息消息为不需要签名信息验证的系统信息消息,这样可以传输开销,因为,不需要传输第一系统信息消息的签名信息。
在本申请实施例中,终端在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述终端已向网络侧设备指示需要签名信息;所述终端已向所述网络侧设备指示需要所述第二系统信息消息。这样可以实现网络侧设备与终端
之间在第一条件下传输第一系统信息消息,从而可以节约空口资源。
本申请实施例中,具体可以实现如下:
终端请求所需的第二系统信息消息后,接收第二系统信息消息以及第一系统信息消息(承载网络侧设备或小区对第二系统信息消息的签名信息);
网络侧设备收到系统信息请求,请求广播第二系统信息消息;网络侧设备广播第二系统信息消息以及第一系统信息消息;
对于基于msg1的系统信息请求,网络侧设备提供两套系统信息请求配置用于第二系统信息消息申请,分别对应需要/不需要签名信息;
终端选择合适的基于msg1的系统信息请求资源,发送系统信息请求;
对于基于msg3的系统信息请求,终端在系统信息请求中指示需要签名;
网络侧设备根据系统信息请求的指示,广播或不广播第一系统信息消息。
本申请实施例中,可以避免终端单独发送系统信息请求申请,用于申请小区对承载第二系统信息消息的签名信息的第一系统信息消息;以及网络侧设备可以基于终端的请求,确定是否需要发送对第二系统信息消息的签名信息,减少不必要的发送。
请参见图3,图3是本申请实施例提供的一种系统信息消息发送方法的流程图,如图3所示,包括以下步骤:
步骤301、网络侧设备在第一条件下,发送第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述网络侧设备收到用于指示需要签名信息的指示;
所述网络侧设备收到用于指示需要所述第二系统信息消息的指示。
需要说明的是,上述收到的指示可以是显式指示或者隐式指示。
可选的,所述第二系统信息消息的状态为发送包括:
所述网络侧设备发送的第三系统信息消息指示所述第二系统信息消息的状态为发送;
所述第三系统信息消息为主信息块MIB或系统信息块SIB1。
可选的,所述第二系统信息消息的状态为发送包括:
所述网络侧设备在第一时间窗口广播所述第二系统信息消息,所述第一时间窗口为所述第二系统信息消息对应的时间窗口。
可选的,在所述第一时间窗口所述第二系统信息消息的状态为不发送的情况下,所述网络侧设备确定在第二时间窗口所述第一系统信息消息的状态为不发送,所述第二时间窗口为所述第一系统信息消息对应的时间窗口。
也就是说,网络侧设备保证第一系统信息消息和第二系统信息消息的状态同步。
可选的,在所述第二系统信息消息为MIB或SIB1的情况下,所述第一系统信息消息满足如下至少一项:
专用于承载所述MIB或SIB1的签名信息的系统信息消息;
与第四系统信息消息不同,所述第四系统信息消息为用于承载其他系统信息的签名信息的系统信息消息,所述其他系统信息为除所述MIB和SIB1之外的系统信息。
可选的,所述方法还包括:
所述网络侧设备发送第三系统信息消息,所述第三系统信息消息为MIB或SIB1;
其中,在所述第三系统信息消息指示所述第二系统信息消息的状态为发送的情况下,所述第三系统信息消息隐式指示所述第一系统信息消息的状态为发送;或
在所述第三系统信息消息指示所述第二系统信息消息的状态为不发送的情况下,所述第三系统信息消息隐式指示所述第一系统信息消息的状态为不发送。
可选的,所述网络侧设备收到用于指示需要所述第二系统信息消息的指示,包括:
所述网络侧设备接收到所述终端发送的系统信息请求,所述系统信息请求用于请求所述第二系统信息消息,所述第一系统信息消息是基于所述系统信息请求发送的;
所述方法还包括:
所述网络侧设备向所述终端发送所述第二系统信息消息。
可选的,所述系统信息请求还用于向所述网络侧设备显式或者隐式指示需要签名信息。
可选的,所述系统信息请求包括指示信息,所述指示信息用于指示需要签名信息;或者
所述系统信息请求是基于第一资源配置发送所述系统信息请求,所述第一资源配置为资源配置集中用于需要签名信息的终端发送所述系统信息请求的资源配置,所述资源配置集为用于请求所述第二系统信息消息的资源配置集。
可选的,所述资源配置集还包括:
第二资源配置,所述第二资源配置用于不需要签名信息的终端发送所述系统信息请求。
可选的,所述系统信息请求用于请求包括所述第二系统信息消息在内的多个系统信息消息,所述指示信息用于指示需要所述多个系统信息消息的签名信息。
可选的,所述第一系统信息消息为不需要签名信息验证的系统信息消息。
需要说明的是,本实施例作为与图2所示的实施例中对应的网络侧设备的实施方式,其具体的实施方式可以参见图2所示的实施例的相关说明,以为避免重复说明,本实施例不再赘述。
请参见图4,图4是本申请实施例提供的一种系统信息消息接收装置的结构图,如图4所示,系统信息消息接收装置400包括:
第一接收模块401,用于在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述装置对应的终端已向网络侧设备指示需要签名信息;
所述终端已向所述网络侧设备指示需要所述第二系统信息消息。
上述装置对应的终端可以是,上述终端包括上述装置,或者,上述装置为上述终端。
在一些实施方式中,上述装置还包括验证模块,用于使用上述第二系统信息消息的签名信息对上述第二系统信息消息进行验证。
可选的,所述第二系统信息消息的状态为发送,包括:
所述终端接收到的第三系统信息消息指示所述第二系统信息消息的状态为发送;
所述第三系统信息消息为主信息块MIB或系统信息块SIB1。
可选的,所述第二系统信息消息的状态为发送,包括:
所述网络侧设备指示所述网络侧设备在第一时间窗口广播所述第二系统信息消息,所述第一时间窗口为所述第二系统信息消息对应的时间窗口。
可选的,在所述第一时间窗口所述第二系统信息消息的状态为不发送的情况下,所述终端在第二时间窗口不接收所述第一系统信息消息,所述第二时间窗口为所述第一系统信息消息对应的时间窗口。
可选的,在所述第二系统信息消息为MIB或SIB1的情况下,所述第一系统信息消息满足如下至少一项:
专用于承载所述MIB或SIB1的签名信息的系统信息消息;
与第四系统信息消息不同,所述第四系统信息消息为用于承载其他系统信息的签名信息的系统信息消息,所述其他系统信息为除所述MIB和SIB1之外的系统信息。
可选的,所述装置还包括:
第二接收模块,用于接收第三系统信息消息,所述第三系统信息消息为MIB或SIB1,在所述第三系统信息消息隐式指示所述第一系统信息消息的状态的情况下:
所述终端在所述第二系统信息消息的状态为发送的情况下,确定所述第一系统信息消息的状态为发送;或
所述终端在所述第二系统信息消息的状态为不发送的情况下,确定所述第一系统信息消息的状态为不发送;
其中,所述终端在所述第一系统信息消息的状态为发送的情况下,接收所述第一系统信息消息。
可选的,所述向所述网络侧设备指示需要所述第二系统信息消息,包括:
所述终端向所述网络侧设备发送系统信息请求,所述系统信息请求用于请求所述第二系统信息消息;
所述装置还包括:
第三接收模块,用于接收所述网络侧设备发送的所述第二系统信息消息。
可选的,所述系统信息请求还用于向所述网络侧设备显式或者隐式指示需要签名信息。
可选的,所述系统信息请求包括指示信息,所述指示信息用于指示需要签名信息;或者
所述终端基于第一资源配置发送所述系统信息请求,所述第一资源配置为资源配置集中用于需要签名信息的终端发送所述系统信息请求的资源配置,所述资源配置集为用于请求所述第二系统信息消息的资源配置集。
可选的,所述资源配置集还包括:
第二资源配置,所述第二资源配置用于不需要签名信息的终端发送所述系统信息请求。
可选的,所述系统信息请求用于请求包括所述第二系统信息消息在内的多个系统信息消息,所述指示信息用于指示需要所述多个系统信息消息的签名信息。
可选的,所述第一系统信息消息为不需要签名信息验证的系统信息消息。
上述系统信息消息接收装置可以节约空口资源。
本申请实施例中的系统信息消息接收装置可以是电子设备,例如具有操作系统的电子设备,也可以是电子设备中的部件,例如集成电路或芯片。该电子设备可以是终端,也可以为除终端之外的其他设备。示例性的,终端可以包括但不限于本申请实施例所列举的终端的类型,其他设备可以为服务器、网络附属存储器(Network Attached Storage,NAS)等,本申请实施例不作具体限定。
本申请实施例提供的系统信息消息接收装置能够实现图2所示的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
请参见图5,图5是本申请实施例提供的一种系统信息消息发送装置的结构图,如图5所示,系统信息消息发送装置500包括:
第一发送模块501,用于在第一条件下,发送第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述装置对应的网络侧设备收到用于指示需要签名信息的指示;
所述网络侧设备收到用于指示需要所述第二系统信息消息的指示。
上述装置对应的网络侧设备可以是,上述网络侧设备包括上述装置,或者,上述装置为上述网络侧设备。
可选的,所述第二系统信息消息的状态为发送,包括:
所述网络侧设备发送的第三系统信息消息指示所述第二系统信息消息的状态为发送;
所述第三系统信息消息为主信息块MIB或系统信息块SIB1。
可选的,所述第二系统信息消息的状态为发送,包括:
所述网络侧设备在第一时间窗口广播所述第二系统信息消息,所述第一时间窗口为所述第二系统信息消息对应的时间窗口。
可选的,在所述第一时间窗口所述第二系统信息消息的状态为不发送的情况下,所述网络侧设备确定在第二时间窗口所述第一系统信息消息的状态为不发送,所述第二时间窗口为所述第一系统信息消息对应的时间窗口。
可选的,在所述第二系统信息消息为MIB或SIB1的情况下,所述第一系统信息消息满足如下至少一项:
专用于承载所述MIB或SIB1的签名信息的系统信息消息;
与第四系统信息消息不同,所述第四系统信息消息为用于承载其他系统信息的签名信息的系统信息消息,所述其他系统信息为除所述MIB和SIB1之外的系统信息。
可选的,所述装置还包括:
第二发送模块,用于发送第三系统信息消息,所述第三系统信息消息为MIB或SIB1;
其中,在所述第三系统信息消息指示所述第二系统信息消息的状态为发送的情况下,所述第三系统信息消息隐式指示所述第一系统信息消息的状态为发送;或
在所述第三系统信息消息指示所述第二系统信息消息的状态为不发送的情况下,所述第三系统信息消息隐式指示所述第一系统信息消息的状态为不发送。
可选的,所述网络侧设备收到用于指示需要所述第二系统信息消息的指示,包括:
所述网络侧设备接收到所述终端发送的系统信息请求,所述系统信息请求用于请求所述第二系统信息消息,所述第一系统信息消息是基于所述系统信息请求发送的;
所述装置还包括:
第三发送模块,用于向所述终端发送所述第二系统信息消息。
可选的,所述系统信息请求还用于向所述网络侧设备显式或者隐式指示需要签名信息。
可选的,所述系统信息请求包括指示信息,所述指示信息用于指示需要签名信息;或者
所述系统信息请求是基于第一资源配置发送所述系统信息请求,所述第一资源配置为资源配置集中用于需要签名信息的终端发送所述系统信息请求的资源配置,所述资源配置集为用于请求所述第二系统信息消息的资源配置集。
可选的,所述资源配置集还包括:
第二资源配置,所述第二资源配置用于不需要签名信息的终端发送所述系统信息请求。
可选的,所述系统信息请求用于请求包括所述第二系统信息消息在内的多个系统信息消息,所述指示信息用于指示所述终端需要所述多个系统信息消息的签名信息。
可选的,所述第一系统信息消息为不需要签名信息验证的系统信息消息。
上述系统信息消息接收装置可以节约空口资源。
本申请实施例中的统信息消息接收装置可以是电子设备,例如具有操作系统的电子设备,也可以是电子设备中的部件,例如集成电路或芯片。该电子设备可以是网络设备。
本申请实施例提供的系统信息消息接收装置能够实现图3所示的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
可选的,如图6所示,本申请实施例还提供一种通信设备600,包括处理器601和存储器602,存储器602上存储有可在所述处理器601上运行的程序或指令,例如,该通信设备600为终端时,该程序或指令被处理器601执行时实现上述系统信息消息接收方法实
施例的各个步骤,且能达到相同的技术效果。该通信设备600为网络侧设备时,该程序或指令被处理器601执行时实现上述系统信息消息发送方法实施例的各个步骤,且能达到相同的技术效果。
本申请实施例还提供一种终端,包括处理器及通信接口,其中,所述通信接口用于在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述终端已向网络侧设备指示需要签名信息;所述终端已向所述网络侧设备指示需要所述第二系统信息消息。该终端实施例与上述终端侧方法实施例对应,上述方法实施例的各个实施过程和实现方式均可适用于该终端实施例中,且能达到相同的技术效果。
具体地,本申请实施例还提供了一种终端。该终端700包括但不限于:射频单元701、网络模块702、音频输出单元703、输入单元704、传感器705、显示单元706、用户输入单元707、接口单元708、存储器709以及处理器710等中的至少部分部件。
本领域技术人员可以理解,终端700还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器710逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图7中示出的终端结构并不构成对终端的限定,终端可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置,在此不再赘述。
应理解的是,本申请实施例中,输入单元704可以包括图形处理单元(Graphics Processing Unit,GPU)7041和麦克风7042,图形处理单元7041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元706可包括显示面板7061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板7061。用户输入单元707包括触控面板7071以及其他输入设备7072中的至少一种。触控面板7071,也称为触摸屏。触控面板7071可包括触摸检测装置和触摸控制器两个部分。其他输入设备7072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
本申请实施例中,射频单元701接收来自网络设备的下行数据后,可以传输给处理器710进行处理;另外,射频单元701可以向网络设备发送上行数据。通常,射频单元701包括但不限于天线、放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器709可用于存储软件程序或指令以及各种数据。存储器709可主要包括存储程序或指令的第一存储区和存储数据的第二存储区,其中,第一存储区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外,存储器709可以包括易失性存储器或非易失性存储器,或者,存储器709可以包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),静态随机存取存储
器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synch link DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DRRAM)。本申请实施例中的存储器709包括但不限于这些和任意其它适合类型的存储器。
处理器710可包括一个或多个处理单元;可选的,处理器710集成应用处理器和调制解调处理器,其中,应用处理器主要处理涉及操作系统、用户界面和应用程序等的操作,调制解调处理器主要处理无线通信信号,如基带处理器。可以理解的是,上述调制解调处理器也可以不集成到处理器710中。
具体地,本申请实施例的终端700还包括:存储在存储器709上并可在处理器710上运行的指令或程序,处理器710调用存储器709中的指令或程序执行图4所示各模块执行的方法,并达到相同的技术效果,为避免重复,故不在此赘述。
其中,射频单元701用于在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述终端已向网络侧设备指示需要签名信息;
所述终端已向所述网络侧设备指示需要所述第二系统信息消息。
可选的,所述第二系统信息消息的状态为发送,包括:
所述终端接收到的第三系统信息消息指示所述第二系统信息消息的状态为发送;
所述第三系统信息消息为主信息块MIB或系统信息块SIB1。
可选的,所述第二系统信息消息的状态为发送,包括:
所述网络侧设备指示所述网络侧设备在第一时间窗口广播所述第二系统信息消息,所述第一时间窗口为所述第二系统信息消息对应的时间窗口。
可选的,在所述第一时间窗口所述第二系统信息消息的状态为不发送的情况下,所述终端在第二时间窗口不接收所述第一系统信息消息,所述第二时间窗口为所述第一系统信息消息对应的时间窗口。
可选的,在所述第二系统信息消息为MIB或SIB1的情况下,所述第一系统信息消息满足如下至少一项:
专用于承载所述MIB或SIB1的签名信息的系统信息消息;
与第四系统信息消息不同,所述第四系统信息消息为用于承载其他系统信息的签名信息的系统信息消息,所述其他系统信息为除所述MIB和SIB1之外的系统信息。
可选的,射频单元701还用于:
接收第三系统信息消息,所述第三系统信息消息为MIB或SIB1,在所述第三系统信
息消息隐式指示所述第一系统信息消息的状态的情况下:
所述终端在所述第二系统信息消息的状态为发送的情况下,确定所述第一系统信息消息的状态为发送;或
所述终端在所述第二系统信息消息的状态为不发送的情况下,确定所述第一系统信息消息的状态为不发送;
其中,所述终端在所述第一系统信息消息的状态为发送的情况下,接收所述第一系统信息消息。
可选的,所述向所述网络侧设备指示需要所述第二系统信息消息,包括:
所述终端向所述网络侧设备发送系统信息请求,所述系统信息请求用于请求所述第二系统信息消息;
射频单元701还用于:
接收所述网络侧设备发送的所述第二系统信息消息。
可选的,所述系统信息请求还用于向所述网络侧设备显式或者隐式指示需要签名信息。
可选的,所述系统信息请求包括指示信息,所述指示信息用于指示需要签名信息;或者
所述终端基于第一资源配置发送所述系统信息请求,所述第一资源配置为资源配置集中用于需要签名信息的终端发送所述系统信息请求的资源配置,所述资源配置集为用于请求所述第二系统信息消息的资源配置集。
可选的,所述资源配置集还包括:
第二资源配置,所述第二资源配置用于不需要签名信息的终端发送所述系统信息请求。
可选的,所述系统信息请求用于请求包括所述第二系统信息消息在内的多个系统信息消息,所述指示信息用于指示需要所述多个系统信息消息的签名信息。
可选的,所述第一系统信息消息为不需要签名信息验证的系统信息消息。
上述终端可以节约空口资源。
本申请实施例还提供了一种网络侧设备,包括处理器及通信接口,其中,所述通信接口用于在第一条件下,发送第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述装置对应的网络侧设备收到用于指示需要签名信息的指示;所述网络侧设备收到用于指示需要所述第二系统信息消息的指示。该网络侧设备实施例与上述网络侧设备侧方法实施例对应,上述方法实施例的各个实施过程和实现方式均可适用于该网络侧设备实施例中,且能达到相同的技术效果。
具体地,本申请实施例还提供了一种网络侧设备。如图8所示,该网络侧设备800包括:天线801、射频装置802、基带装置803、处理器804和存储器805。天线801与射频装置802连接。在上行方向上,射频装置802通过天线801接收信息,将接收的信息发送给基带装置803进行处理。在下行方向上,基带装置803对要发送的信息进行处理,并发
送给射频装置802,射频装置802对收到的信息进行处理后经过天线801发送出去。
以上实施例中网络侧设备执行的方法可以在基带装置803中实现,该基带装置803包括基带处理器。
基带装置803例如可以包括至少一个基带板,该基带板上设置有多个芯片,如图8所示,其中一个芯片例如为基带处理器,通过总线接口与存储器805连接,以调用存储器805中的程序,执行以上方法实施例中所示的网络设备操作。
该网络侧设备还可以包括网络接口806,该接口例如为通用公共无线接口(common public radio interface,CPRI)。
具体地,本申请实施例的网络侧设备800还包括:存储在存储器805上并可在处理器804上运行的指令或程序,处理器804调用存储器805中的指令或程序执行图5所示各模块执行的方法,并达到相同的技术效果,为避免重复,故不在此赘述。
其中,射频装置802用于在第一条件下,发送第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;
其中,所述第一条件包括如下至少一项:
所述第二系统信息消息的状态为发送;
所述网络侧设备收到用于指示需要签名信息的指示;
所述网络侧设备收到用于指示需要所述第二系统信息消息的指示。
可选的,所述第二系统信息消息的状态为发送,包括:
所述网络侧设备发送的第三系统信息消息指示所述第二系统信息消息的状态为发送;
所述第三系统信息消息为主信息块MIB或系统信息块SIB1。
可选的,所述第二系统信息消息的状态为发送,包括:
所述网络侧设备在第一时间窗口广播所述第二系统信息消息,所述第一时间窗口为所述第二系统信息消息对应的时间窗口。
可选的,在所述第一时间窗口所述第二系统信息消息的状态为不发送的情况下,所述网络侧设备确定在第二时间窗口所述第一系统信息消息的状态为不发送,所述第二时间窗口为所述第一系统信息消息对应的时间窗口。
可选的,在所述第二系统信息消息为MIB或SIB1的情况下,所述第一系统信息消息满足如下至少一项:
专用于承载所述MIB或SIB1的签名信息的系统信息消息;
与第四系统信息消息不同,所述第四系统信息消息为用于承载其他系统信息的签名信息的系统信息消息,所述其他系统信息为除所述MIB和SIB1之外的系统信息。
可选的,射频装置802还用于:
发送第三系统信息消息,所述第三系统信息消息为MIB或SIB1;
其中,在所述第三系统信息消息指示所述第二系统信息消息的状态为发送的情况下,所述第三系统信息消息隐式指示所述第一系统信息消息的状态为发送;或
在所述第三系统信息消息指示所述第二系统信息消息的状态为不发送的情况下,所述第三系统信息消息隐式指示所述第一系统信息消息的状态为不发送。
可选的,所述网络侧设备收到用于指示需要所述第二系统信息消息的指示,包括:
所述网络侧设备接收到所述终端发送的系统信息请求,所述系统信息请求用于请求所述第二系统信息消息,所述第一系统信息消息是基于所述系统信息请求发送的;
射频装置802还用于:
向所述终端发送所述第二系统信息消息。
可选的,所述系统信息请求还用于向所述网络侧设备显式或者隐式指示需要签名信息。
可选的,所述系统信息请求包括指示信息,所述指示信息用于指示需要签名信息;或者
所述系统信息请求是基于第一资源配置发送所述系统信息请求,所述第一资源配置为资源配置集中用于需要签名信息的终端发送所述系统信息请求的资源配置,所述资源配置集为用于请求所述第二系统信息消息的资源配置集。
可选的,所述资源配置集还包括:
第二资源配置,所述第二资源配置用于不需要签名信息的终端发送所述系统信息请求。
可选的,所述系统信息请求用于请求包括所述第二系统信息消息在内的多个系统信息消息,所述指示信息用于指示所述终端需要所述多个系统信息消息的签名信息。
可选的,所述第一系统信息消息为不需要签名信息验证的系统信息消息。
上述网络侧设备可以节约空口资源。
本申请实施例还提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现本申请实施例提供的系统信息消息接收方法的步骤,或者,所述程序或指令被处理器执行时实现本申请实施例提供的系统信息消发送方法的步骤。
其中,所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器ROM、随机存取存储器RAM、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现上述系统信息消息接收方法或系统信息消发送方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
本申请实施例另提供了一种计算机程序/程序产品,所述计算机程序/程序产品被存储在存储介质中,所述计算机程序/程序产品被至少一个处理器执行以实现上述系统信息消息接收方法或系统信息消发送方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
本申请实施例提供了一种系统信息消传输系统,包括:终端及网络侧设备,所述终端可用于执行如本申请实施例提供的系统信息消息接收方法的步骤,所述网络侧设备可用于执行如本申请实施例提供的系统信息消发送方法的步骤。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以计算机软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。
Claims (29)
- 一种系统信息消息接收方法,包括:终端在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述终端已向网络侧设备指示需要签名信息;所述终端已向所述网络侧设备指示需要所述第二系统信息消息。
- 如权利要求1所述的方法,其中,所述第二系统信息消息的状态为发送,包括:所述终端接收到的第三系统信息消息指示所述第二系统信息消息的状态为发送;所述第三系统信息消息为主信息块MIB或系统信息块SIB1。
- 如权利要求1所述的方法,其中,所述第二系统信息消息的状态为发送,包括:所述网络侧设备指示所述网络侧设备在第一时间窗口广播所述第二系统信息消息,所述第一时间窗口为所述第二系统信息消息对应的时间窗口。
- 如权利要求3所述的方法,其中,在所述第一时间窗口所述第二系统信息消息的状态为不发送的情况下,所述终端在第二时间窗口不接收所述第一系统信息消息,所述第二时间窗口为所述第一系统信息消息对应的时间窗口。
- 如权利要求1所述的方法,其中,在所述第二系统信息消息为MIB或SIB1的情况下,所述第一系统信息消息满足如下至少一项:专用于承载所述MIB或SIB1的签名信息的系统信息消息;与第四系统信息消息不同,所述第四系统信息消息为用于承载其他系统信息的签名信息的系统信息消息,所述其他系统信息为除所述MIB和SIB1之外的系统信息。
- 如权利要求1所述的方法,其中,所述方法还包括:所述终端接收第三系统信息消息,所述第三系统信息消息为MIB或SIB1,在所述第三系统信息消息隐式指示所述第一系统信息消息的状态的情况下:所述终端在所述第二系统信息消息的状态为发送的情况下,确定所述第一系统信息消息的状态为发送;或所述终端在所述第二系统信息消息的状态为不发送的情况下,确定所述第一系统信息消息的状态为不发送;其中,所述终端在所述第一系统信息消息的状态为发送的情况下,接收所述第一系统信息消息。
- 如权利要求1至6中任一项所述的方法,其中,所述向所述网络侧设备指示需要所述第二系统信息消息,包括:所述终端向所述网络侧设备发送系统信息请求,所述系统信息请求用于请求所述第二 系统信息消息;所述方法还包括:所述终端接收所述网络侧设备发送的所述第二系统信息消息。
- 如权利要求7所述的方法,其中,所述系统信息请求还用于向所述网络侧设备显式或者隐式指示需要签名信息。
- 如权利要求8所述的方法,其中,所述系统信息请求包括指示信息,所述指示信息用于指示需要签名信息;或者所述终端基于第一资源配置发送所述系统信息请求,所述第一资源配置为资源配置集中用于需要签名信息的终端发送所述系统信息请求的资源配置,所述资源配置集为用于请求所述第二系统信息消息的资源配置集。
- 如权利要求9所述的方法,其中,所述资源配置集还包括:第二资源配置,所述第二资源配置用于不需要签名信息的终端发送所述系统信息请求。
- 如权利要求9所述的方法,其中,所述系统信息请求用于请求包括所述第二系统信息消息在内的多个系统信息消息,所述指示信息用于指示需要所述多个系统信息消息的签名信息。
- 如权利要求1至6中任一项所述的方法,其中,所述第一系统信息消息为不需要签名信息验证的系统信息消息。
- 一种系统信息消息发送方法,包括:网络侧设备在第一条件下,发送第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述网络侧设备收到用于指示需要签名信息的指示;所述网络侧设备收到用于指示需要所述第二系统信息消息的指示。
- 如权利要求13所述的方法,其中,所述第二系统信息消息的状态为发送,包括:所述网络侧设备发送的第三系统信息消息指示所述第二系统信息消息的状态为发送;所述第三系统信息消息为主信息块MIB或系统信息块SIB1。
- 如权利要求13所述的方法,其中,所述第二系统信息消息的状态为发送,包括:所述网络侧设备在第一时间窗口广播所述第二系统信息消息,所述第一时间窗口为所述第二系统信息消息对应的时间窗口。
- 如权利要求15所述的方法,其中,在所述第一时间窗口所述第二系统信息消息的状态为不发送的情况下,所述网络侧设备确定在第二时间窗口所述第一系统信息消息的状态为不发送,所述第二时间窗口为所述第一系统信息消息对应的时间窗口。
- 如权利要求13所述的方法,其中,在所述第二系统信息消息为MIB或SIB1的情况下,所述第一系统信息消息满足如下至少一项:专用于承载所述MIB或SIB1的签名信息的系统信息消息;与第四系统信息消息不同,所述第四系统信息消息为用于承载其他系统信息的签名信息的系统信息消息,所述其他系统信息为除所述MIB和SIB1之外的系统信息。
- 如权利要求13所述的方法,其中,所述方法还包括:所述网络侧设备发送第三系统信息消息,所述第三系统信息消息为MIB或SIB1;其中,在所述第三系统信息消息指示所述第二系统信息消息的状态为发送的情况下,所述第三系统信息消息隐式指示所述第一系统信息消息的状态为发送;或在所述第三系统信息消息指示所述第二系统信息消息的状态为不发送的情况下,所述第三系统信息消息隐式指示所述第一系统信息消息的状态为不发送。
- 如权利要求13至18中任一项所述的方法,其中,所述网络侧设备收到用于指示需要所述第二系统信息消息的指示,包括:所述网络侧设备接收到终端发送的系统信息请求,所述系统信息请求用于请求所述第二系统信息消息,所述第一系统信息消息是基于所述系统信息请求发送的;所述方法还包括:所述网络侧设备向所述终端发送所述第二系统信息消息。
- 如权利要求19所述的方法,其中,所述系统信息请求还用于向所述网络侧设备显式或者隐式指示需要签名信息。
- 如权利要求20所述的方法,其中,所述系统信息请求包括指示信息,所述指示信息用于指示需要签名信息;或者所述系统信息请求是基于第一资源配置发送所述系统信息请求,所述第一资源配置为资源配置集中用于需要签名信息的终端发送所述系统信息请求的资源配置,所述资源配置集为用于请求所述第二系统信息消息的资源配置集。
- 如权利要求21所述的方法,其中,所述资源配置集还包括:第二资源配置,所述第二资源配置用于不需要签名信息的终端发送所述系统信息请求。
- 如权利要求21所述的方法,其中,所述系统信息请求用于请求包括所述第二系统信息消息在内的多个系统信息消息,所述指示信息用于指示需要所述多个系统信息消息的签名信息。
- 如权利要求13至18中任一项所述的方法,其中,所述第一系统信息消息为不需要签名信息验证的系统信息消息。
- 一种系统信息消息接收装置,包括:第一接收模块,用于在第一条件下,接收第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述装置对应的终端已向网络侧设备指示需要签名信息;所述终端已向所述网络侧设备指示需要所述第二系统信息消息。
- 一种系统信息消息发送装置,包括:第一发送模块,用于在第一条件下,发送第一系统信息消息,所述第一系统信息消息承载有第二系统信息消息的签名信息;其中,所述第一条件包括如下至少一项:所述第二系统信息消息的状态为发送;所述装置对应的网络侧设备收到用于指示需要签名信息的指示;所述网络侧设备收到用于指示需要所述第二系统信息消息的指示。
- 一种终端,包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至12任一项所述的系统信息消息接收方法的步骤。
- 一种终端,包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求13至24任一项所述的系统信息消息发送方法的步骤。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1至12任一项所述的系统信息消息接收方法的步骤,或者,所述程序或指令被处理器执行时实现如权利要求13至24任一项所述的系统信息消息发送方法的步骤。
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CN113115406A (zh) * | 2015-06-11 | 2021-07-13 | 苹果公司 | 用于无线通信的低开销系统信息获取 |
CN113508569A (zh) * | 2019-03-12 | 2021-10-15 | 瑞典爱立信有限公司 | 用于处理系统信息的方法和节点 |
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CN112352453A (zh) * | 2018-11-01 | 2021-02-09 | Oppo广东移动通信有限公司 | 传输系统信息的方法和设备 |
CN113508569A (zh) * | 2019-03-12 | 2021-10-15 | 瑞典爱立信有限公司 | 用于处理系统信息的方法和节点 |
US20220167169A1 (en) * | 2019-04-29 | 2022-05-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods, UE and Nodes for Handling System Information Protection |
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