WO2018201761A1 - 一种系统信息传输方法及相关设备 - Google Patents

一种系统信息传输方法及相关设备 Download PDF

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Publication number
WO2018201761A1
WO2018201761A1 PCT/CN2018/074152 CN2018074152W WO2018201761A1 WO 2018201761 A1 WO2018201761 A1 WO 2018201761A1 CN 2018074152 W CN2018074152 W CN 2018074152W WO 2018201761 A1 WO2018201761 A1 WO 2018201761A1
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WO
WIPO (PCT)
Prior art keywords
system information
terminal
base station
information request
mapping field
Prior art date
Application number
PCT/CN2018/074152
Other languages
English (en)
French (fr)
Inventor
李明菊
张云飞
Original Assignee
宇龙计算机通信科技(深圳)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 宇龙计算机通信科技(深圳)有限公司 filed Critical 宇龙计算机通信科技(深圳)有限公司
Priority to EP18793967.3A priority Critical patent/EP3621360B1/en
Publication of WO2018201761A1 publication Critical patent/WO2018201761A1/zh
Priority to US16/589,866 priority patent/US10917834B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of wireless communications technologies, and in particular, to a system information transmission method and related device.
  • the system information mechanism of the fifth generation mobile communication technology (5-Generation, 5G) radio access technology (NR) is an important part of the 5G NR protocol design.
  • the user equipment (User Equipment, UE) in the idle state may request the base station to broadcast the corresponding system information by indicating its service requirement in the Random Access Channel (RACH) or the requirement for system information.
  • RACH Random Access Channel
  • SI System Information
  • 3GPP 3rd Generation Partnership Project
  • 3GPP has agreed to 5G NR system information including minimizing system information (Minimun SI) and other system information (Other SI) ).
  • Minimum SI needs to be broadcast periodically, Other SI can broadcast as required, and the UE acquires through Radio Resource Control (RRC) dedicated signaling.
  • RRC Radio Resource Control
  • SIB System Information Block
  • the terminal needs to repeatedly read the scheduling information. Due to the larger number of bits of scheduling information, the overhead and power consumption of the terminal to acquire system information is increased.
  • the embodiment of the present application provides a system information transmission method and related equipment.
  • the problem that the terminal acquires system information overhead and power consumption in the prior art solution can be solved.
  • the first aspect of the present application provides a system information transmission method, including:
  • the base station sends system information to the terminal according to the system information request, where the system information includes minimizing system information and other system information, where the minimization system information includes a mapping field, where the mapping field is used to indicate A system information block that exists in other system information.
  • the terminal is a terminal in a connected state; the base station receiving the system information request sent by the terminal includes:
  • the base station receives a system information request sent by the terminal in the connected state by using a radio resource control message.
  • the system information request includes a broadcast transmission mode
  • Sending, by the base station, the system information to the terminal according to the system information request includes:
  • the base station After the receiving, by the base station, the system information request sent by the terminal in the connected state by using the RRC message, the base station further includes:
  • the base station counts the number of terminals that send the system information request
  • the base station determines, according to the number of terminals, a transmission mode for transmitting system information to the terminal.
  • the determining, by the base station, the transmission manner of sending system information to the terminal according to the number of the terminals includes:
  • the second aspect of the present application provides a system information transmission method, including:
  • the terminal sends a system information request to the base station
  • system information sent by the base station, where the system information includes minimizing system information and other system information, where the minimization system information includes a mapping field, where the mapping field is used to indicate that the other system information exists.
  • System information block.
  • the terminal is a terminal in a connected state; the terminal sending a system information request to the base station includes:
  • the terminal sends a system information request to the base station by using a radio resource control message.
  • the receiving, by the terminal, system information sent by the base station includes:
  • the terminal reads the mapping field
  • the terminal acquires a system information block existing in the other system information according to the mapping field.
  • the system information request includes a broadcast transmission mode
  • Receiving, by the terminal, system information sent by the base station includes:
  • the terminal receives system information that is sent by the base station by using a broadcast transmission manner.
  • the third aspect of the present application provides a base station, including:
  • a receiving module configured to receive a system information request sent by the terminal
  • a sending module configured to send system information to the terminal according to the system information request, where the system information includes minimizing system information and other system information, where the minimization system information includes a mapping field, where the mapping field is used Indicates a system information block existing in the other system information.
  • the terminal is a terminal in a connected state; the receiving module is specifically configured to:
  • the system information request includes a broadcast transmission mode
  • the sending module is specifically configured to send the system information to the terminal in the connected state by using a broadcast transmission manner according to the system information request.
  • the base station further includes:
  • the processing module is configured to count the number of terminals that send the system information request, and determine, according to the number of the terminals, a transmission manner of sending system information to the terminal.
  • the processing module is specifically configured to:
  • the fourth aspect of the present application provides a terminal, including:
  • a sending module configured to send a system information request to the base station
  • a receiving module configured to receive system information sent by the base station, where the system information includes minimizing system information and other system information, where the minimization system information includes a mapping field, where the mapping field is used to indicate the other system information.
  • the minimization system information includes a mapping field, where the mapping field is used to indicate the other system information.
  • the sending module is specifically configured to: send a system information request to the base station by using a radio resource control message.
  • the receiving module is further configured to read the mapping field, and acquire, according to the mapping field, a system information block that exists in the other system information.
  • the system information request includes a broadcast propagation mode
  • the receiving module is specifically configured to: receive system information that is sent by the base station by using a broadcast transmission manner.
  • a base station first receives a system information request sent by a terminal; and then, according to the system information request, sends system information to the terminal, where the system information includes minimizing system information and other system information, where the minimization
  • the system information includes a mapping field for indicating a system information block existing in the other system information. Therefore, the terminal does not need to repeatedly interpret the scheduling information, but only needs to repeatedly interpret the mapping field. Since the number of bits of the mapping field is the smallest, the overhead and power consumption of the terminal to acquire system information is reduced.
  • FIG. 1 is a schematic structural diagram of a system information transmission system according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a system information transmission method according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a system information structure provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a system information transmission method according to another embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another base station according to an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a system information transmission system according to an embodiment of the present application, where the system information transmission system includes a terminal and a base station.
  • a terminal may refer to a device that provides a voice and/or data connection to a user, or may be connected to a computing device such as a laptop or desktop computer, or it may be, for example, a Personal Digital Assistant (PDA). Separate devices.
  • a terminal may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote terminal, an access terminal, a user terminal, a user agent, or a user device.
  • the base station may be an access point, a Node B, an Evolve NodeB (eNB), or a 5G base station (gNB), and refers to a communication with the wireless terminal through one or more sectors on the air interface. Enter the device in the network. By converting the received air interface frame to an IP packet, the base station can act as a router between the wireless terminal and the rest of the access network, which can include an internet protocol network. The base station can also coordinate the management of the attributes of the air interface.
  • eNB Evolve NodeB
  • gNB 5G base station
  • FIG. 2 is a schematic flowchart diagram of a system information transmission method according to an embodiment of the present application. As shown in the figure, the method in the embodiment of the present application includes:
  • the base station receives a system information request sent by the terminal.
  • the base station may receive a system information request that is sent by the terminal by using a radio resource control RRC message.
  • the base station receives a system information request sent by the terminal through the RACH or the MAC CE.
  • the terminal may be a terminal in a connected state or a terminal in an idle state.
  • the base station sends system information to the terminal according to the system information request, where the system information includes minimizing system information and other system information, where the minimization system information includes a mapping field, where the mapping field is used. Indicates a system information block existing in the other system information.
  • the base station sends the system information to the terminal in the connected state by using a broadcast transmission manner according to the system information request.
  • the terminal in the idle state may request the base station to broadcast a certain system information, and the terminal in the connected state requests the base station to transmit the system information by using dedicated signaling.
  • the signaling overhead is large, so the broadcast transmission mode is used to reduce the signaling overhead.
  • the system information request includes a broadcast propagation mode. Specifically, when the terminal in the connected state requests the system information in the RRC message, the base station is requested to broadcast the system information in a broadcast transmission manner, and after receiving the request, the base station sends the system information to the terminal in a broadcast transmission manner.
  • the base station counts the number of terminals that send the system information request, and determines, according to the number of terminals, a transmission manner of sending system information to the terminal. Further, if the number of the terminals is greater than a preset threshold, determining to send system information to the terminal by using a broadcast transmission manner; if the number of the terminals is not greater than the preset threshold, determining to perform dedicated signaling by using radio resources The terminal transmits system information.
  • FIG. 3 is a schematic diagram of a system information structure provided by an embodiment of the present application.
  • the system information includes Minimize System Information (Minimum SI) and other system information (Other SI), and the minimized system information includes initial access parameters, scheduling information, and mapping fields.
  • the scheduling information of all the SIBs is indicated in the Minimum SI.
  • the SIB scheduling information does not indicate the SIB broadcasted by the current base station, but the SIB or the SIB in the other SI is indicated by the mapping field Bitmap by introducing a mapping field Bitmap. It exists. Therefore, when the terminal receives the SIB in each SI period, it does not need to repeatedly interpret the scheduling information, but only needs to repeatedly interpret the mapping field Bitmap. Since the number of bits of the mapping field Bitmap is small, the overhead and power consumption of the other SI are reduced.
  • the base station first receives the system information request sent by the terminal; and then sends system information to the terminal according to the system information request, where the system information includes minimizing system information and other system information, where the minimum
  • the system information includes a mapping field for indicating a system information block existing in the other system information. Therefore, the terminal does not need to repeatedly interpret the scheduling information, but only needs to repeatedly interpret the mapping field. Since the number of bits of the mapping field is the smallest, the overhead and power consumption of the terminal to acquire system information is reduced.
  • FIG. 4 is a schematic flowchart diagram of a system information transmission method according to another embodiment of the present application. As shown in the figure, the method in the embodiment of the present application includes:
  • the terminal sends a system information request to the base station.
  • the terminal controls the system information request sent by the RRC message to the base station by using the radio resource.
  • the terminal sends a system information request to the base station through the RACH or the MAC CE.
  • the terminal may be a terminal in a connected state or a terminal in an idle state.
  • the base station sends system information to the terminal according to the system information request, where the system information includes minimizing system information and other system information, where the minimization system information includes a mapping field, where the mapping field is used to indicate A system information block that exists in other system information.
  • the base station sends the system information to the terminal in the connected state by using a broadcast transmission manner according to the system information request.
  • the terminal in the idle state may request the base station to broadcast a certain system information, and the terminal in the connected state requests the base station to transmit the system information by using dedicated signaling.
  • the signaling overhead is large, so the broadcast transmission mode is used to reduce the signaling overhead.
  • the system information request includes a broadcast propagation mode. Specifically, when the terminal in the connected state requests the system information in the RRC message, the base station is requested to broadcast the system information in a broadcast transmission manner, and after receiving the request, the base station sends the system information to the terminal in a broadcast transmission manner.
  • the base station counts the number of terminals that send the system information request, and determines, according to the number of terminals, a transmission manner of sending system information to the terminal. Further, if the number of the terminals is greater than a preset threshold, determining to send system information to the terminal by using a broadcast transmission manner; if the number of the terminals is not greater than the preset threshold, determining to perform dedicated signaling by using radio resources The terminal transmits system information.
  • the terminal reads the mapping field.
  • the terminal receives the system information that is sent by the base station by using a broadcast transmission manner, and after receiving the system information, reads the mapping field from the minimized system information.
  • the terminal acquires, according to the mapping field, a system information block that exists in the other system information.
  • the system information includes Minimize System Information (Minimum SI) and other system information (Other SI), and the minimized system information includes initial access parameters, scheduling information, and mapping fields.
  • the scheduling information of all SIBs is indicated in the Minimum SI.
  • the SIB scheduling information does not indicate the SIB broadcast by the current base station, but introduces a mapping field Bitmap, and indicates the SIB or an SIB in the Other SI through the mapping field Bitmap. It exists. Therefore, when the terminal receives the SIB in each SI period, it does not need to repeatedly interpret the scheduling information, but only needs to repeatedly interpret the mapping field Bitmap. Since the number of bits of the mapping field Bitmap is small, the overhead and power consumption of the other SI are reduced.
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present application. As shown in the figure, the base station in this embodiment of the present application includes:
  • the receiving module 501 is configured to receive a system information request sent by the terminal.
  • the base station may receive a system information request that is sent by the terminal through the radio resource control RRC message.
  • the base station receives a system information request sent by the terminal through the RACH or the MAC CE.
  • the terminal may be a terminal in a connected state or a terminal in an idle state.
  • the sending module 502 is configured to send system information to the terminal according to the system information request, where the system information includes minimizing system information and other system information, where the minimization system information includes a mapping field, where the mapping field is used by A system information block indicating the presence of the other system information.
  • the base station sends the system information to the terminal in the connected state by using a broadcast transmission manner according to the system information request.
  • the terminal in the idle state may request the base station to broadcast a certain system information, and the terminal in the connected state requests the base station to transmit the system information by using dedicated signaling.
  • the signaling overhead is large, so the broadcast transmission mode is used to reduce the signaling overhead.
  • the system information request includes a broadcast propagation mode. Specifically, when the terminal in the connected state requests the system information in the RRC message, the base station is requested to broadcast the system information in a broadcast transmission manner, and after receiving the request, the base station sends the system information to the terminal in a broadcast transmission manner.
  • the apparatus in the embodiment of the present application further includes:
  • the processing module 403 is configured to count the number of terminals that send the system information request, and determine, according to the number of terminals, a transmission mode for transmitting system information to the terminal. Further, if the number of the terminals is greater than a preset threshold, determining to send system information to the terminal by using a broadcast transmission manner; if the number of the terminals is not greater than the preset threshold, determining to perform dedicated signaling by using radio resources The terminal transmits system information.
  • FIG. 3 is a schematic diagram of a system information structure provided by an embodiment of the present application.
  • the system information includes Minimize System Information (Minimum SI) and other system information (Other SI), and the minimized system information includes initial access parameters, scheduling information, and mapping fields.
  • the scheduling information of all the SIBs is indicated in the Minimum SI.
  • the SIB scheduling information does not indicate the SIB broadcasted by the current base station, but the SIB or the SIB in the other SI is indicated by the mapping field Bitmap by introducing a mapping field Bitmap. It exists. Therefore, when the terminal receives the SIB in each SI period, it does not need to repeatedly interpret the scheduling information, but only needs to repeatedly interpret the mapping field Bitmap. Since the number of bits of the mapping field Bitmap is small, the overhead and power consumption of the terminal to acquire Other SI is reduced.
  • the base station first receives the system information request sent by the terminal; and then sends system information to the terminal according to the system information request, where the system information includes minimizing system information and other system information, where the minimum
  • the system information includes a mapping field for indicating a system information block existing in the other system information. Therefore, the terminal does not need to repeatedly interpret the scheduling information, but only needs to repeatedly interpret the mapping field. Since the number of bits of the mapping field is the smallest, the overhead and power consumption of the terminal to acquire system information is reduced.
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present application. As shown in the figure, the terminal in the embodiment of the present application includes:
  • the sending module 601 is configured to send a system information request to the base station.
  • the system information request may include a broadcast transmission mode.
  • the terminal controls the system information request sent by the RRC message to the base station by using the radio resource.
  • the terminal sends a system information request to the base station through the RACH or the MAC CE.
  • the terminal may be a terminal in a connected state or a terminal in an idle state.
  • the receiving module 602 is configured to receive system information sent by the base station, where the system information includes minimizing system information and other system information, where the minimization system information includes a mapping field, where the mapping field is used to indicate the other system.
  • the system information that is sent by the base station by using a broadcast transmission manner may be received.
  • the mapping field is read; according to the mapping field, a system information block existing in the other system information is obtained.
  • each module may also be performed in accordance with the corresponding description of the method embodiment shown in FIG. 2 and FIG. 4, and the method and function performed by the terminal in the foregoing embodiment are not described.
  • FIG. 7 is a schematic structural diagram of a base station according to another embodiment of the present application.
  • the base station can include at least one processor 701, such as a CPU, at least one communication interface 702, at least one memory 703, and at least one bus 704.
  • the bus 704 is used to implement connection communication between these components.
  • the communication interface 702 of the base station in this embodiment is a wired transmission port, and may also be a wireless device, for example, including an antenna device, for performing signaling or data communication with other node devices.
  • the memory 703 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.
  • the memory 703 can also optionally be at least one storage device located remotely from the aforementioned processor 701.
  • a set of program codes is stored in the memory 703, and the processor 701 is configured to call program code stored in the memory for performing the following operations:
  • the system information includes minimizing system information and other system information, the minimized system information includes a mapping field, the mapping field is used to indicate the other system A system information block that exists in the message.
  • the processor 701 is further configured to perform the following operations:
  • the base station receives a system information request sent by the terminal in the connected state by using a radio resource control message.
  • the processor 701 is further configured to perform the following operations:
  • Sending system information to the terminal according to the system information request includes:
  • the processor 701 is further configured to perform the following operations:
  • the base station counts the number of terminals that send the system information request
  • the base station determines, according to the number of terminals, a transmission mode for transmitting system information to the terminal.
  • the processor 701 is further configured to perform the following operations:
  • the embodiment of the present application may also be based on a universal physical server and a virtual network device implemented by Network Function Virtualization (NFV) technology, and the base station may be a program running for system information transmission.
  • Virtual machine (English: Virtual Machine, VM), the virtual machine is deployed on a hardware device (for example, a physical server).
  • a virtual machine is a complete computer system that runs through a software and has full hardware system functionality running in a fully isolated environment.
  • the embodiment of the present application provides a computer readable storage medium, where the computer readable storage medium stores instructions, when executed on a computer, causes the computer to execute the system information transmission method of the above aspects.
  • the embodiment of the present application provides a computer program product including instructions, which when executed on a computer, causes the computer to execute the system information transmission method of the above aspects.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: Flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random accessor (English: Random Access Memory, referred to as: RAM), disk or optical disk.
  • ROM Read-Only Memory
  • RAM Random Access Memory

Abstract

本申请实施例公开了一种系统信息传输方法及相关设备，包括：基站接收终端发送的系统信息请求；所述基站根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。采用本申请实施例，可以减少终端获取系统信息的开销和功耗。

Description

一种系统信息传输方法及相关设备 技术领域
本申请涉及无线通信技术领域，尤其涉及一种系统信息传输方法及相关设备。
背景技术
第五代移动通信技术(5-Generation，5G)的无线接入技术(Radio Access Technology，NR)的系统信息机制是5G NR协议设计的重要环节。可以由空闲(Idle)态的用户设备(User Equipment，UE)通过在随机接入信道(Random Access Channel，RACH)中指示其业务需求或者针对系统信息的需求来请求基站广播相应的系统信息。在5G NR的系统信息(System Information，SI)阶段，第三代合作伙伴计划(3rd Generation Partnership Project，3GPP)已经同意5G NR系统信息包括最小化系统信息(Minimun SI)和其他系统信息(Other SI)。Minimum SI需要周期性地进行广播，Other SI可以按照需求广播，UE通过无线资源控制(Radio Resource Control，RRC)专用信令来获取。
与长期演进(Long Term Evolution，LTE)系统不同，5G新空口中的系统信息是按需的。每个UE都以后可能通过RACH，媒体访问控制(Media Access Control，MAC)的控制信元(Control Element，CE)或者RRC信令向基站请求系统信息，基站接收到请求后广播系统信息。除了Minimum SI以外，Other SI中的系统信息块(System Information Block，SIB)可能每个周期都不一样。如果仍然按照LTE中的方法，通过调度信息(Scheduling information)来指示某个SIB是否存在，则需要终端反复读取调度信息。由于调度信息的比特数越多，导致增加了终端获取系统信息的开销和功耗。
发明内容
本申请实施例提供一种系统信息传输方法及相关设备。可以解决现有技术方案中终端获取系统信息开销和功耗很大的问题。
本申请第一方面提供了一种系统信息传输方法，包括：
基站接收终端发送的系统信息请求；
所述基站根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
其中，所述终端为处于连接态的终端；所述基站接收终端发送的系统信息请求包括：
所述基站接收所述处于连接态的终端通过无线资源控制消息发送的系统信息请求。
其中，所述系统信息请求包括广播传播方式；
所述基站根据所述系统信息请求，向所述终端发送系统信息包括：
所述基站根据所述系统信息请求，通过广播传输方式向所述处于连接态的终端发送所述系统信息。
其中，所述基站接收所述处于连接态的终端通过无线资源控制消息发送的系统信息请求之后，还包括:
所述基站统计发送所述系统信息请求的终端数量；
所述基站根据所述终端数量，确定向所述终端发送系统信息的传输方式。
其中，所述基站根据所述终端数量，确定向所述终端发送系统信息的传输方式包括：
若所述终端数量大于预设阈值，则确定通过广播传输方式向所述终端发送系统信息；
若所述终端数量不大于所述预设阈值，则确定通过无线资源控制专用信令向所述终端发送系统信息。
相应地，本申请第二方面提供了一种系统信息传输方法，包括：
终端向基站发送系统信息请求；
所述终端接收所述基站发送的系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
其中，所述终端为处于连接态的终端；所述终端向基站发送系统信息请求包括：
所述终端通过无线资源控制消息向所述基站发送系统信息请求。
其中，所述终端接收所述基站发送的系统信息包括：
所述终端读取所述映射字段；
所述终端根据所述映射字段，获取所述其他系统信息中存在的系统信息块。
其中，所述系统信息请求包括广播传播方式；
所述终端接收所述基站发送的系统信息包括：
所述终端接收所述基站通过广播传输方式发送的系统信息。
相应地，本申请第三方面提供了一种基站，包括：
接收模块，用于接收终端发送的系统信息请求；
发送模块，用于根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
其中，所述终端为处于连接态的终端；所述接收模块具体用于：
接收所述处于连接态的终端通过无线资源控制消息发送的系统信息请求。
其中，所述系统信息请求包括广播传播方式；
所述发送模块具体用于：根据所述系统信息请求，通过广播传输方式向所述处于连接态的终端发送所述系统信息。
其中，所述基站还包括:
处理模块，用于统计发送所述系统信息请求的终端数量；根据所述终端数量，确定向所述终端发送系统信息的传输方式。
其中，所述处理模块具体用于：
若所述终端数量大于预设阈值，则确定通过广播传输方式向所述终端发送系统信息；
若所述终端数量不大于所述预设阈值，则确定通过无线资源控制专用信令向所述终端发送系统信息。
相应地，本申请第四方面提供了一种终端，包括：
发送模块，用于向基站发送系统信息请求；
接收模块，用于接收所述基站发送的系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
其中，所述发送模块具体用于：通过无线资源控制消息向所述基站发送系 统信息请求。
其中，所述接收模块，还用于读取所述映射字段；根据所述映射字段，获取所述其他系统信息中存在的系统信息块。
其中，所述系统信息请求包括广播传播方式；所述接收模块具体用于：接收所述基站通过广播传输方式发送的系统信息。
实施本申请实施例，基站首先接收终端发送的系统信息请求；然后根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。从而终端不需要反复解读调度信息，而只需要反复解读映射字段。由于映射字段的比特数是最少的，因此减少终端获取系统信息的开销和功耗。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例提出的一种系统信息传输系统的架构示意图；
图2是本申请实施例提供的一种系统信息传输方法的流程示意图；
图3是本申请实施例提供的一种系统信息结构的示意图；
图4是本申请另一实施例提供的一种系统信息传输方法的流程示意图；
图5是本申请实施例提供的一种基站的结构示意图；
图6是本申请实施例提供的一种终端的结构示意图；
图7是本申请实施例提供的另一种基站的结构示意图。
具体实施方式
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、完整地描述，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在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
请参见图1，图1是本申请实施例提供的一种系统信息传输系统的架构示意图，该系统信息传输系统包括终端和基站。终端可以是指提供到用户的语音和/或数据连接的设备，也可以被连接到诸如膝上型计算机或台式计算机等的计算设备，或者其可以是诸如个人数字助理(Personal Digital Assistant，PDA)等的独立设备。终端还可以称为系统、用户单元、用户站、移动站、移动台、远程站、接入点、远程终端、接入终端、用户终端、用户代理或用户装置。基站可以为接入点、节点B、演进型节点(Evolve NodeB，eNB)或5G基站(Next generation base station，gNB)，指在空中接口上通过一个或多个扇区与无线终端进行通信的接入网络中的设备。通过将已接收的空中接口帧转换为IP分组，基站可以作为无线终端和接入网络的其余部分之间的路由器，接入网络可以包括因特网协议网络。基站还可以对空中接口的属性的管理进行协调。
请参见图2，图2是本申请实施例提供的一种系统信息传输方法的流程示意图。如图所示，本申请实施例中的方法包括：
S201，基站接收终端发送的系统信息请求。
具体实现中，所述基站可以接收终端通过无线资源控制RRC消息发送的系统信息请求。或者，所述基站接收终端通过RACH或MAC CE发送的系统信息请求。其中，所述终端可以为处于连接态的终端，也可以为处于空闲态的终端。
S202，所述基站根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
具体实现中，所述基站根据所述系统信息请求，通过广播传输方式向所述处于连接态的终端发送所述系统信息。
需要说明的是，目前所讨论的系统信息方案中，处于空闲态的终端可以请求基站广播某个系统信息，而处于连接态的终端请求基站以专用信令来传输系统信息。但是，如果处于连接态的大量终端只能以专用信令的方式来传输系统信息，则会导致信令开销很大，因此采用广播传输方式减小信令开销。
可选的，所述系统信息请求包括广播传播方式。具体的，处于连接态的终端在RRC消息中请求系统信息时，请求基站以广播传输方式广播系统信息，基站收到该请求后以广播传输方式向终端发送系统信息。
可选的，所述基站统计发送所述系统信息请求的终端数量；根据所述终端 数量，确定向所述终端发送系统信息的传输方式。进一步的，若所述终端数量大于预设阈值，则确定通过广播传输方式向所述终端发送系统信息；若所述终端数量不大于所述预设阈值，则确定通过无线资源控制专用信令向所述终端发送系统信息。
如图3所示，图3是本申请实施例提供的一种系统信息结构的示意图。所述系统信息包括最小化系统信息(Minimum SI)和其他系统信息(Other SI)，最小化系统信息包括初始接入参数、调度信息和映射字段。在Minimum SI中指示所有SIB的调度信息，但是，SIB调度信息并不指示当前基站所广播的SIB，而是通过引入一个映射字段Bitmap，通过该映射字段Bitmap指示other SI中的SIB或者某个SIB是存在的。从而终端在每个SI周期接收SIB时，不需要反复解读调度信息，而只需要反复解读映射字段Bitmap。由于该映射字段Bitmap的比特数较少，因此减少终端获取other SI的开销和功耗。
在本申请实施例中，基站首先接收终端发送的系统信息请求；然后根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。从而终端不需要反复解读调度信息，而只需要反复解读映射字段。由于映射字段的比特数是最少的，因此减少终端获取系统信息的开销和功耗。
请参见图4，图4是本申请另一实施例提供的一种系统信息传输方法的流程示意图。如图所示，本申请实施例中的方法包括：
S401，终端向基站发送系统信息请求。
具体实现中，终端通过无线资源控制RRC消息向基站发送的系统信息请求。或者，终端通过RACH或MAC CE向基站发送系统信息请求。其中，所述终端可以为处于连接态的终端，也可以为处于空闲态的终端。
S402，基站根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
具体实现中，所述基站根据所述系统信息请求，通过广播传输方式向所述处于连接态的终端发送所述系统信息。
需要说明的是，目前所讨论的系统信息方案中，处于空闲态的终端可以请求基站广播某个系统信息，而处于连接态的终端请求基站以专用信令来传输系统信息。但是，如果处于连接态的大量终端只能以专用信令的方式来传输系统信息，则会导致信令开销很大，因此采用广播传输方式减小信令开销。
可选的，所述系统信息请求包括广播传播方式。具体的，处于连接态的终端在RRC消息中请求系统信息时，请求基站以广播传输方式广播系统信息，基站收到该请求后以广播传输方式向终端发送系统信息。
可选的，所述基站统计发送所述系统信息请求的终端数量；根据所述终端数量，确定向所述终端发送系统信息的传输方式。进一步的，若所述终端数量大于预设阈值，则确定通过广播传输方式向所述终端发送系统信息；若所述终端数量不大于所述预设阈值，则确定通过无线资源控制专用信令向所述终端发送系统信息。
S403，终端读取所述映射字段。
具体实现中，所述终端接收所述基站通过广播传输方式发送的所述系统信息，在接收到系统信息之后，从最小化系统信息读取映射字段。
S404，终端根据所述映射字段，获取所述其他系统信息中存在的系统信息块。
具体实现中，如图3所示，所述系统信息包括最小化系统信息(Minimum SI)和其他系统信息(Other SI)，最小化系统信息包括初始接入参数、调度信息和映射字段。在Minimum SI中指示所有SIB的调度信息，但是，SIB调度信息并不指示当前基站所广播的SIB，而是通过引入一个映射字段Bitmap，通过该映射字段Bitmap指示Other SI中的SIB或者某个SIB是存在的。从而终端在每个SI周期接收SIB时，不需要反复解读调度信息，而只需要反复解读映射字段Bitmap。由于该映射字段Bitmap的比特数较少，因此减少终端获取other SI的开销和功耗。
请参见图5，图5是本申请实施例提供的一种基站的结构示意图。如图所示，本申请实施例中基站包括：
接收模块501，用于接收终端发送的系统信息请求。
具体实现中，所述基站可以接收终端通过无线资源控制RRC消息发送的系 统信息请求。或者，所述基站接收终端通过RACH或MAC CE发送的系统信息请求。其中，所述终端可以为处于连接态的终端，也可以为处于空闲态的终端。
发送模块502，用于根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
具体实现中，所述基站根据所述系统信息请求，通过广播传输方式向所述处于连接态的终端发送所述系统信息。
需要说明的是，目前所讨论的系统信息方案中，处于空闲态的终端可以请求基站广播某个系统信息，而处于连接态的终端请求基站以专用信令来传输系统信息。但是，如果处于连接态的大量终端只能以专用信令的方式来传输系统信息，则会导致信令开销很大，因此采用广播传输方式减小信令开销。
可选的，所述系统信息请求包括广播传播方式。具体的，处于连接态的终端在RRC消息中请求系统信息时，请求基站以广播传输方式广播系统信息，基站收到该请求后以广播传输方式向终端发送系统信息。
可选的，如图4所示，本申请实施例中的装置还包括：
处理模块403，用于统计发送所述系统信息请求的终端数量；根据所述终端数量，确定向所述终端发送系统信息的传输方式。进一步的，若所述终端数量大于预设阈值，则确定通过广播传输方式向所述终端发送系统信息；若所述终端数量不大于所述预设阈值，则确定通过无线资源控制专用信令向所述终端发送系统信息。
如图3所示，图3是本申请实施例提供的一种系统信息结构的示意图。所述系统信息包括最小化系统信息(Minimum SI)和其他系统信息(Other SI)，最小化系统信息包括初始接入参数、调度信息和映射字段。在Minimum SI中指示所有SIB的调度信息，但是，SIB调度信息并不指示当前基站所广播的SIB，而是通过引入一个映射字段Bitmap，通过该映射字段Bitmap指示other SI中的SIB或者某个SIB是存在的。从而终端在每个SI周期接收SIB时，不需要反复解读调度信息，而只需要反复解读映射字段Bitmap。由于该映射字段Bitmap的比特数较少，因此减少终端获取Other SI的开销和功耗。
在本申请实施例中，基站首先接收终端发送的系统信息请求；然后根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信 息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。从而终端不需要反复解读调度信息，而只需要反复解读映射字段。由于映射字段的比特数是最少的，因此减少终端获取系统信息的开销和功耗。
请参见图6，图6是本申请实施例提供的一种终端的结构示意图。如图所示，本申请实施例中终端包括：
发送模块601，用于向基站发送系统信息请求。其中，系统信息请求可以包括广播传输方式。
具体实现中，终端通过无线资源控制RRC消息向基站发送的系统信息请求。或者，终端通过RACH或MAC CE向基站发送系统信息请求。其中，所述终端可以为处于连接态的终端，也可以为处于空闲态的终端。
接收模块602，用于接收所述基站发送的系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
具体实现中，可以接收所述基站通过广播传输方式发送的所述系统信息。在接收系统信息之后，读取所述映射字段；根据所述映射字段，获取所述其他系统信息中存在的系统信息块。
需要说明的是，各个模块的实现还可以对应参照图2和图4所示的方法实施例的相应描述，执行上述实施例中终端所执行的方法和功能，本申请实施例不再赘述。
请参考图7，图7是本申请另一实施例提供的一种基站的结构示意图。如图所示，该基站可以包括：至少一个处理器701，例如CPU，至少一个通信接口702，至少一个存储器703，至少一个总线704。其中，总线704用于实现这些组件之间的连接通信。其中，本申请实施例中基站的通信接口702是有线发送端口，也可以为无线设备，例如包括天线装置，用于与其他节点设备进行信令或数据的通信。存储器703可以是高速RAM存储器，也可以是非不稳定的存储器(non-volatile memory)，例如至少一个磁盘存储器。存储器703可选的还可以是至少一个位于远离前述处理器701的存储装置。存储器703中存储一组程序 代码，且处理器701用于调用存储器中存储的程序代码，用于执行以下操作：
接收终端发送的系统信息请求；
根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
其中，处理器701还用于执行如下操作步骤：
所述基站接收所述处于连接态的终端通过无线资源控制消息发送的系统信息请求。
其中，处理器701还用于执行如下操作步骤：
根据所述系统信息请求，向所述终端发送系统信息包括：
根据所述系统信息请求，通过广播传输方式向所述处于连接态的终端发送所述系统信息。
其中，处理器701还用于执行如下操作步骤：
所述基站统计发送所述系统信息请求的终端数量；
所述基站根据所述终端数量，确定向所述终端发送系统信息的传输方式。
其中，处理器701还用于执行如下操作步骤：
若所述终端数量大于预设阈值，则确定通过广播传输方式向所述终端发送系统信息；
若所述终端数量不大于所述预设阈值，则确定通过无线资源控制专用信令向所述终端发送系统信息。
需要说明的是，本申请实施例也可以基于通用的物理服务器结合网络功能虚拟化(英文：Network Function Virtualization，NFV)技术实现的虚拟网络设备，所述基站可以是运行有用于系统信息传输的程序的虚拟机(英文：Virtual Machine，VM)，所述虚拟机部署在硬件设备上(例如，物理服务器)。虚拟机指通过软件模拟的具有完整硬件系统功能的、运行在一个完全隔离环境中的完整计算机系统。
需要说明的是，本申请实施例提供了一种计算机可读存储介质，该计算机可读存储介质中存储有指令，当其在计算机上运行时，使得计算机执行上述各方面的系统信息传输方法。
需要说明的是，本申请实施例提供了一种包含指令的计算机程序产品，当 其在计算机上执行时，使得计算机执行上述各方面的系统信息传输方法。
需要说明的是，对于前述的各个方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本申请并不受所描述的动作顺序的限制，因为依据本申请，某一些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本申请所必须的。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详细描述的部分，可以参见其他实施例的相关描述。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储介质中，存储介质可以包括：闪存盘、只读存储器(英文：Read-Only Memory，简称：ROM)、随机存取器(英文：Random Access Memory，简称：RAM)、磁盘或光盘等。
以上对本申请实施例所提供的内容下载方法及相关设备、系统进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (18)

  1. 一种系统信息传输方法，其特征在于，所述方法包括：
    基站接收终端发送的系统信息请求；
    所述基站根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
  2. 如权利要求1所述的方法，其特征在于，所述终端为处于连接态的终端；所述基站接收终端发送的系统信息请求包括：
    所述基站接收所述处于连接态的终端通过无线资源控制消息发送的系统信息请求。
  3. 如权利要求2所述的方法，其特征在于，所述系统信息请求包括广播传播方式；
    所述基站根据所述系统信息请求，向所述终端发送系统信息包括：
    所述基站根据所述系统信息请求，通过广播传输方式向所述处于连接态的终端发送所述系统信息。
  4. 如权利要求2所述的方法，其特征在于，所述基站接收所述处于连接态的终端通过无线资源控制消息发送的系统信息请求之后，还包括:
    所述基站统计发送所述系统信息请求的终端数量；
    所述基站根据所述终端数量，确定向所述终端发送系统信息的传输方式。
  5. 如权利要求4所述的方法，其特征在于，所述基站根据所述终端数量，确定向所述终端发送系统信息的传输方式包括：
    若所述终端数量大于预设阈值，则确定通过广播传输方式向所述终端发送系统信息；
    若所述终端数量不大于所述预设阈值，则确定通过无线资源控制专用信令向所述终端发送系统信息。
  6. 一种系统信息传输方法，其特征在于，所述方法包括：
    终端向基站发送系统信息请求；
    所述终端接收所述基站发送的系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
  7. 如权利要求6所述的方法，其特征在于，所述终端为处于连接态的终端；所述终端向基站发送系统信息请求包括：
    所述终端通过无线资源控制消息向所述基站发送系统信息请求。
  8. 如权利要求6所述的方法，其特征在于，所述终端接收所述基站发送的系统信息包括：
    所述终端读取所述映射字段；
    所述终端根据所述映射字段，获取所述其他系统信息中存在的系统信息块。
  9. 如权利要求6-8任一项所述的方法，其特征在于，所述系统信息请求包括广播传播方式；
    所述终端接收所述基站发送的系统信息包括：
    所述终端接收所述基站通过广播传输方式发送的所述系统信息。
  10. 一种基站，其特征在于，所述基站包括：
    接收模块，用于接收终端发送的系统信息请求；
    发送模块，用于根据所述系统信息请求，向所述终端发送系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
  11. 如权利要求10所述的基站，其特征在于，所述终端为处于连接态的终端；所述接收模块具体用于：
    接收所述处于连接态的终端通过无线资源控制消息发送的系统信息请求。
  12. 如权利要求11所述的基站，其特征在于，所述系统信息请求包括广播传播方式；
    所述发送模块具体用于：
    根据所述系统信息请求，通过广播传输方式向所述处于连接态的终端发送所述系统信息。
  13. 如权利要11所述的基站，其特征在于，所述基站还包括:
    处理模块，用于统计发送所述系统信息请求的终端数量；根据所述终端数量，确定向所述终端发送系统信息的传输方式。
  14. 如权利要求13所述的基站，其特征在于，所述处理模块具体用于：
    若所述终端数量大于预设阈值，则确定通过广播传输方式向所述终端发送系统信息；
    若所述终端数量不大于所述预设阈值，则确定通过无线资源控制专用信令向所述终端发送系统信息。
  15. 一种终端，其特征在于，所述终端包括：
    发送模块，用于向基站发送系统信息请求；
    接收模块，用于接收所述基站发送的系统信息，所述系统信息包括最小化系统信息和其他系统信息，所述最小化系统信息包括映射字段，所述映射字段用于指示所述其他系统信息中存在的系统信息块。
  16. 如权利要求15所述的终端，其特征在于，所述发送模块具体用于：
    通过无线资源控制消息向所述基站发送系统信息请求。
  17. 如权利要求15所述的终端，其特征在于，
    所述接收模块，还用于读取所述映射字段；根据所述映射字段，获取所述其他系统信息中存在的系统信息块。
  18. 如权利要求15-17任一项所述的终端，其特征在于，所述系统信息请求包括广播传播方式；
    所述接收模块具体用于：接收所述基站通过广播传输方式发送的所述系统信息。
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