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WO2018000336A1 - Rrc连接建立方法及设备 - Google Patents

Rrc连接建立方法及设备 Download PDF

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Publication number
WO2018000336A1
WO2018000336A1 PCT/CN2016/087907 CN2016087907W WO2018000336A1 WO 2018000336 A1 WO2018000336 A1 WO 2018000336A1 CN 2016087907 W CN2016087907 W CN 2016087907W WO 2018000336 A1 WO2018000336 A1 WO 2018000336A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
system configuration
configuration information
signaling
rrc connection
Prior art date
Application number
PCT/CN2016/087907
Other languages
English (en)
French (fr)
Inventor
洪伟
王莉
张明
Original Assignee
北京小米移动软件有限公司
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.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN201680000696.5A priority Critical patent/CN106165488A/zh
Priority to PCT/CN2016/087907 priority patent/WO2018000336A1/zh
Priority to EP17171074.2A priority patent/EP3264853A1/en
Priority to US15/631,586 priority patent/US20180007583A1/en
Publication of WO2018000336A1 publication Critical patent/WO2018000336A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0027—Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/14—Interfaces between hierarchically different network devices between access point controllers and backbone network device

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to an RRC connection establishment method and device.
  • 5G will penetrate into the Internet of Things and other fields, and integrate with industrial facilities, medical instruments, and transportation to fully realize the “Internet of Everything” and effectively meet the needs of information services in vertical industries such as industry, medical care, and transportation. 5G will also greatly improve the energy consumption and cost efficiency of network construction and operation, comprehensively enhance service innovation capabilities, and expand the space of the mobile communication industry.
  • the present disclosure provides an RRC connection establishment method and device.
  • an RRC connection establishment method where the method includes:
  • the system configuration information of the second base station is sent by the second base station to the first base station through a designated interface.
  • the specified signaling is RRC connection reconfiguration signaling.
  • the specified signaling is a broadcast message or a unicast message.
  • the system configuration information includes at least synchronization information and system bandwidth.
  • the first base station is an LTE base station
  • the second base station is a 5G base station
  • the first base station is a 5G base station
  • the second base station is an LTE base station
  • a second aspect provides an RRC connection establishment method, which is applied to a first base station, where the method includes:
  • the method before the generating the specified signaling according to the system configuration information of the second base station, the method further includes:
  • the method further includes:
  • the system configuration information according to the second base station is executed to generate the specified signaling.
  • the specified signaling is RRC connection reconfiguration signaling.
  • the specified signaling is a broadcast message or a unicast message.
  • the system configuration information includes at least synchronization information and system bandwidth.
  • the first base station is an LTE base station
  • the second base station is a 5G base station
  • the first base station is a 5G base station
  • the second base station is an LTE base station
  • a user equipment where the user equipment includes:
  • a receiving module configured to receive the specified signaling sent by the first base station, where the specified signaling carries system configuration information of the second base station;
  • connection establishing module configured to perform, according to system configuration information of the second base station, with the second base station Establish an RRC connection.
  • the system configuration information of the second base station is sent by the second base station to the first base station through a designated interface.
  • the specified signaling is RRC connection reconfiguration signaling.
  • the specified signaling is a broadcast message or a unicast message.
  • the system configuration information includes at least synchronization information and system bandwidth.
  • the first base station is an LTE base station
  • the second base station is a 5G base station
  • the first base station is a 5G base station
  • the second base station is an LTE base station
  • a base station where the base station includes:
  • a generating module configured to generate, according to system configuration information of the second base station, specified signaling, where the specified signaling carries system configuration information of the second base station;
  • a sending module configured to send the specified signaling to the UE, so that the UE establishes an RRC connection with the second base station according to system configuration information of the second base station.
  • the base station further includes:
  • a receiving module configured to receive, by using a designated interface with the second base station, system configuration information sent by the second base station.
  • the generating module is further configured to: when detecting that a UE performs a service handover, if the second base station meets a service switching requirement, perform the system configuration information according to the second base station, and generate a designated letter. make.
  • the specified signaling is RRC connection reconfiguration signaling.
  • the specified signaling is a broadcast message or a unicast message.
  • the system configuration information includes at least synchronization information and system bandwidth.
  • the base station is an LTE base station, and the second base station is a 5G base station; or the base station is a 5G base station, and the second base station is an LTE base station.
  • a fifth aspect provides a control plane aggregation network architecture, including: a first base station and a second base station,
  • the first base station is configured to generate, according to system configuration information of the second base station, specified signaling, where the specified signaling carries system configuration information of the second base station; and sends the specified signaling to the UE;
  • the second base station is configured to receive the specified signaling sent by the first base station, where the specified signaling carries system configuration information of the second base station; and the second base according to system configuration information of the second base station The station establishes an RRC connection.
  • the second base station is further configured to send system configuration information by using a designated interface with the first base station;
  • the first base station is further configured to receive system configuration information sent by the second base station by using a designated interface with the second base station.
  • the specified signaling is RRC connection reconfiguration signaling.
  • the specified signaling is a broadcast message or a unicast message.
  • the system configuration information includes at least synchronization information and system bandwidth.
  • the first base station is an LTE base station
  • the second base station is a 5G base station
  • the first base station is a 5G base station
  • the second base station is an LTE base station
  • the technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: the technical solution provided by the embodiment of the present disclosure, through the system configuration information interaction between the base stations, the system configuration information of one base station may be specified by another base station.
  • the command carries, which can prevent the UE from receiving the RRC signaling sent by the LTE and the 5G NR at the same time, and reduces the complexity of the UE.
  • the LTE network and the 5G NR network can be effectively aggregated on the control plane, thereby improving the performance of aggregation of the two network control planes.
  • FIG. 1 is a block diagram of a communication system shown in accordance with an exemplary embodiment.
  • FIG. 2 is a flowchart of an RRC connection establishment method according to an exemplary embodiment.
  • FIG. 3 is a schematic diagram of a control plane aggregation network architecture according to an exemplary embodiment.
  • FIG. 4 is a schematic diagram of a control plane aggregation network architecture according to an exemplary embodiment.
  • FIG. 5 is a block diagram of a user equipment, according to an exemplary embodiment.
  • FIG. 6 is a block diagram of a base station, according to an exemplary embodiment.
  • FIG. 7 is a block diagram of a user equipment 700, according to an exemplary embodiment.
  • FIG. 8 is a block diagram of a base station, according to an exemplary embodiment.
  • FIG. 1 is a block diagram of a communication system shown in accordance with an exemplary embodiment.
  • the communication system may include a first base station and a second base station, and the first base station and the second base station may have a designated interface for performing information exchange between the base stations, the first base station and the second base station.
  • the base station can adopt different communication protocols.
  • the first base station adopts the LTE protocol, and is the base station in the LTE system
  • the second base station adopts the 5G protocol, which is the base station in the 5G system.
  • the coverage of the first base station and the second base station may overlap, which is not specifically limited in this embodiment of the disclosure.
  • the first base station is a 5G base station
  • the second base station is an LTE base station
  • the disclosure does not limit this.
  • FIG. 2 is a flowchart of an RRC connection establishment method according to an exemplary embodiment. As shown in FIG. 2, the RRC connection establishment method is only described by taking the UE as being within the coverage of the first base station as an example, including the following. step.
  • the first base station In step 201, the first base station generates specified signaling according to system configuration information of the second base station, where the designated signaling carries system configuration information of the second base station.
  • the system configuration information of the second base station is sent by the second base station to the first base station through a designated interface.
  • the designated interface may be an Xn interface, which is an interface for communication between a base station and a base station.
  • the embodiment of the present disclosure further includes the following step 200: the second base station sends system configuration information of the second base station to the first base station by using a designated interface with the first base station, and the second base station receives the system configuration information.
  • the system configuration information is used to establish the RRC connection.
  • the system configuration information includes at least the synchronization information and the system bandwidth.
  • the system configuration information may further include other information, which is not limited by the embodiment of the disclosure.
  • the designated signaling is RRC connection reconfiguration signaling, which is generally used to establish and reconfigure SRB2 ((Signalling) Radio Bearers (signal radio bearers) and DRB (Data Radio Bearers).
  • the specified instruction may also be an instruction other than the RRC connection reconfiguration signaling, which is specifically used to transmit the system configuration information, which is not specifically limited in this embodiment of the present disclosure.
  • the step of generating the specified signaling according to the system configuration information of the second base station is performed.
  • the foregoing service switching refers to a change of the UE service. For example, if the data service of the UE changes from web browsing to video playback, the first base station may not be able to meet the service switching requirement, and if there is a second in the range that satisfies the service switching requirement.
  • the base station may be configured to carry the system configuration information of the second base station in the specified signaling to the UE, so that the UE can perform an RRC connection with the second base station to perform the switched service by using the second base station.
  • the first base station may determine, according to the service request of the UE, whether to switch to the second base station, and the specific determination method may be a manner of determining according to the type of the service request, and the embodiment of the disclosure does not limit this.
  • step 202 the first base station sends the designated signaling to the UE.
  • the specified signaling is a broadcast message or a unicast message
  • the specified signaling may be a unicast message sent only to a certain UE, to notify a certain UE how to perform RRC with the second base station.
  • the system configuration information is obtained locally from the UE. The embodiment of the present disclosure does not limit this.
  • step 203 when receiving the designated signaling sent by the first base station, the UE establishes an RRC connection with the second base station according to the system configuration information of the second base station.
  • determining when the UE receives the designated signaling sent by the first base station, that the handover of the base station is to be performed, establishing an RRC connection with the second base station according to the system configuration information of the second base station.
  • the process of establishing an RRC connection with the second base station may be the same as the process of establishing an RRC connection with the first base station, and details are not described herein.
  • the specific implementation of the embodiment of the present disclosure may be performed based on a new LTE-NR control plane aggregation network architecture.
  • the first base station and the second base station are included, and the first base station is LTE.
  • the base station is a 5G base station; or the first base station is a 5G base station, and the second base station is an LTE base station.
  • the first base station is an LTE base station
  • the second base station is a 5G base station.
  • the control plane is composed of an RRC layer, a Packet Data Convergence Protocol (PDCP) layer, a RLC (Radio Link Control) layer, a MAC (Media Access Control) layer, and a PHY (Physical). ) layer composition.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Media Access Control
  • PHY Physical
  • the 5G NR New Radio
  • the system configuration information can be transmitted to the LTE through the newly defined Xn interface, and sent to the UE by the RRC layer of the LTE, and the 5G NR does not generate RRC signaling.
  • the first base station is a 5G base station
  • the second base station is an LTE base station.
  • the NR is an anchor.
  • the system configuration information of LTE can be transmitted to the NR through the newly defined Xn interface, and sent to the UE by the RRC layer of the NR, and LTE does not generate RRC signaling.
  • the method provided by the embodiment of the present disclosure can prevent the UE from receiving the RRC signaling sent by the LTE and the 5G NR at the same time, reduce the complexity of the UE, and can effectively aggregate the LTE network and the 5G NR network on the control plane, thereby improving the two network control.
  • the performance of surface polymerization can prevent the UE from receiving the RRC signaling sent by the LTE and the 5G NR at the same time, reduce the complexity of the UE, and can effectively aggregate the LTE network and the 5G NR network on the control plane, thereby improving the two network control.
  • the performance of surface polymerization can prevent the UE from receiving the RRC signaling sent by the LTE and the 5G NR at the same time, reduce the complexity of the UE, and can effectively aggregate the LTE network and the 5G NR network on the control plane, thereby improving the two network control.
  • the performance of surface polymerization can prevent the UE from receiving the RRC signaling sent by the LTE and the 5G NR at the
  • FIG. 5 is a block diagram of a user equipment, according to an exemplary embodiment.
  • the user equipment includes:
  • the receiving module 501 is configured to receive the specified signaling sent by the first base station, where the specified signaling carries system configuration information of the second base station;
  • connection establishing module 502 is configured to establish an RRC connection with the second base station according to system configuration information of the second base station.
  • the system configuration information of the second base station is sent by the second base station to the first base station through a designated interface.
  • the specified signaling is RRC connection reconfiguration signaling.
  • the specified signaling is a broadcast message or a unicast message.
  • the system configuration information includes at least synchronization information and system bandwidth.
  • the first base station is an LTE base station
  • the second base station is a 5G base station
  • the first base station is a 5G base station
  • the second base station is an LTE base station
  • FIG. 6 is a block diagram of a base station, according to an exemplary embodiment.
  • the base station includes:
  • the generating module 601 is configured to generate, according to system configuration information of the second base station, specified signaling, where the specified signaling carries system configuration information of the second base station;
  • the sending module 602 is configured to send the specified signaling to the UE, so that the UE establishes an RRC connection with the second base station according to system configuration information of the second base station.
  • the base station further includes: a receiving module, configured to receive system configuration information sent by the second base station by using a designated interface with the second base station.
  • the generating module is further configured to: when detecting that a UE performs a service handover, if the second base station meets a service switching requirement, perform the system configuration information according to the second base station, and generate a designated letter. make.
  • the specified signaling is RRC connection reconfiguration signaling.
  • the specified signaling is a broadcast message or a unicast message.
  • the system configuration information includes at least synchronization information and system bandwidth.
  • the base station is an LTE base station, and the second base station is a 5G base station; or the base station is a 5G base station, and the second base station is an LTE base station.
  • FIG. 7 is a block diagram of a user equipment 700, according to an exemplary embodiment.
  • user device 700 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a gaming console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
  • user device 700 can include one or more of the following components: processing component 702, memory 704, power component 706, multimedia component 708, audio component 710, input/output (I/O) interface 712, and sensor component 714. And communication component 716.
  • Processing component 702 typically controls the overall operations of user device 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • Processing component 702 can include one or more processors 720 to execute instructions to perform all or part of the steps described above.
  • processing component 702 can include one or more modules to facilitate interaction between component 702 and other components.
  • processing component 702 can include a multimedia module to facilitate interaction between multimedia component 708 and processing component 702.
  • Memory 704 is configured to store various types of data to support operation at user device 700. Examples of such data include fingers for any application or method operating on user device 700 Order, contact data, phone book data, messages, pictures, videos, etc.
  • Memory 704 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 706 provides power to various components of user device 700.
  • Power component 706 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for user device 700.
  • the multimedia component 708 includes a screen between the user device 700 and the user that provides an output interface.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
  • the multimedia component 708 includes a front camera and/or a rear camera. When the user device 700 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 710 is configured to output and/or input an audio signal.
  • the audio component 710 includes a microphone (MIC) that is configured to receive an external audio signal when the user device 700 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 704 or transmitted via communication component 716.
  • audio component 710 also includes a speaker for outputting an audio signal.
  • the I/O interface 712 provides an interface between the processing component 702 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
  • Sensor component 714 includes one or more sensors for providing user device 700 with a status assessment of various aspects.
  • sensor component 714 can detect an open/closed state of device 700, a relative positioning of components, such as the display and keypad of user device 700, and sensor component 714 can also detect a component of user device 700 or user device 700. The location changes, the presence or absence of user contact with user equipment 700, user equipment 700 orientation or acceleration/deceleration and user equipment The temperature of 700 changes.
  • Sensor assembly 714 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor component 714 can also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 714 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 716 is configured to facilitate wired or wireless communication between user device 700 and other devices.
  • User equipment 700 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • communication component 716 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • the communication component 716 also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field communication
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • user equipment 700 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), A gated array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA gated array
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 704 comprising instructions executable by processor 720 of user device 700 to perform the above method.
  • the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • a non-transitory computer readable storage medium that, when executed by a processor of a user device, enables a user equipment to perform an RRC connection method.
  • FIG. 8 is a schematic structural diagram of a base station according to an exemplary embodiment.
  • the base station includes a transmitter, a receiver, a memory, and a processor coupled to the transmitter, receiver, and memory, respectively.
  • the base station may also include a common component such as an antenna, a baseband processing component, a medium-frequency radio processing component, and an input/output device, and the embodiment of the present invention is not limited thereto.
  • the base station is configured to perform the RRC connection method on the base station side provided by any of the foregoing embodiments in FIG.
  • the above transmitter and receiver can also be transceivers.
  • the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.

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

Abstract

本发明公开了一种RRC连接建立方法及设备，属于通信技术领域。所述方法包括：接收由第一基站发送的指定信令，所述指定信令携带第二基站的系统配置信息；根据所述第二基站的系统配置信息，与所述第二基站建立RRC连接。本公开实施例的技术方案，可以避免UE同时接收LTE和5G NR发送的RRC信令，降低UE的复杂度，可以有效将LTE网络和5G NR网络在控制面进行聚合，从而提升两个网络控制面聚合的性能。

Description

RRC连接建立方法及设备 技术领域
本公开涉及通信技术领域，尤其涉及一种RRC连接建立方法及设备。
背景技术
在通信技术的发展，移动通信经历了从语音业务到移动带宽数据业务的飞跃式发展，不仅深刻的改变了人们的生活方式，也极大地促进了社会和经济的发展。移动互联网和物联网作为未来移动通信发展的两大主要驱动力，为5G提供了广阔的应用场景。面向2020年及未来，数据流量的千倍增长，千亿设备连接和多样化的业务需求都将对5G系统设计提出严峻挑战。5G将满足人们超高流量密度、超高连接数密度、超高移动性的需求，能够为用户提供高清视频、虚拟现实、增强现实、云桌面、在线游戏等极致业务体验。5G将渗透到物联网等领域，与工业设施、医疗仪器、交通工具等深度融合，全面实现“万物互联”，有效满足工业、医疗、交通等垂直行业的信息化服务需要。5G还将大幅改善网络建设运营的能耗与成本效率，全面提升服务创新能力，拓展移动通信产业空间。
发明内容
为克服相关技术中存在的问题，本公开提供一种RRC连接建立方法及设备。
第一方面，提供了一种RRC连接建立方法，所述方法包括：
接收由第一基站发送的指定信令，所述指定信令携带第二基站的系统配置信息；
根据所述第二基站的系统配置信息，与所述第二基站建立RRC连接。
在一种可能实现方式中，所述第二基站的系统配置信息由所述第二基站通过指定接口发送至所述第一基站。
在一种可能实现方式中，所述指定信令为RRC连接重配置信令。
在一种可能实现方式中，所述指定信令为广播消息或单播消息。
在一种可能实现方式中，所述系统配置信息至少包括同步信息、系统带宽。
在一种可能实现方式中，所述第一基站为LTE基站，所述第二基站为5G基站；或，所述第一基站为5G基站，所述第二基站为LTE基站。
第二方面，提供了一种RRC连接建立方法，应用于第一基站，所述方法包括：
根据第二基站的系统配置信息，生成指定信令，所述指定信令携带第二基站的系统配置信息；
向UE发送所述指定信令，使得所述UE根据所述第二基站的系统配置信息与所述第二基站建立RRC连接。
在一种可能实现方式中，根据第二基站的系统配置信息，生成指定信令之前，所述方法还包括：
通过与所述第二基站之间的指定接口，接收所述第二基站发送的系统配置信息。
在一种可能实现方式中，所述方法还包括：
当检测到UE发生业务切换时，如果所述第二基站满足业务切换需求，执行所述根据第二基站的系统配置信息，生成指定信令。
在一种可能实现方式中，所述指定信令为RRC连接重配置信令。
在一种可能实现方式中，所述指定信令为广播消息或单播消息。
在一种可能实现方式中，所述系统配置信息至少包括同步信息、系统带宽。
在一种可能实现方式中，所述第一基站为LTE基站，所述第二基站为5G基站；或，所述第一基站为5G基站，所述第二基站为LTE基站。
第三方面，提供了一种用户设备，所述用户设备包括：
接收模块，用于接收由第一基站发送的指定信令，所述指定信令携带第二基站的系统配置信息；
连接建立模块，用于根据所述第二基站的系统配置信息，与所述第二基站 建立RRC连接。
在一种可能实现方式中，所述第二基站的系统配置信息由所述第二基站通过指定接口发送至所述第一基站。
在一种可能实现方式中，所述指定信令为RRC连接重配置信令。
在一种可能实现方式中，所述指定信令为广播消息或单播消息。
在一种可能实现方式中，所述系统配置信息至少包括同步信息、系统带宽。
在一种可能实现方式中，所述第一基站为LTE基站，所述第二基站为5G基站；或，所述第一基站为5G基站，所述第二基站为LTE基站。
第四方面，提供了一种基站，所述基站包括：
生成模块，用于根据第二基站的系统配置信息，生成指定信令，所述指定信令携带第二基站的系统配置信息；
发送模块，用于向UE发送所述指定信令，使得所述UE根据所述第二基站的系统配置信息与所述第二基站建立RRC连接。
在一种可能实现方式中，所述基站还包括：
接收模块，用于通过与所述第二基站之间的指定接口，接收所述第二基站发送的系统配置信息。
在一种可能实现方式中，所述生成模块还用于当检测到UE发生业务切换时，如果所述第二基站满足业务切换需求，执行所述根据第二基站的系统配置信息，生成指定信令。
在一种可能实现方式中，所述指定信令为RRC连接重配置信令。
在一种可能实现方式中，所述指定信令为广播消息或单播消息。
在一种可能实现方式中，所述系统配置信息至少包括同步信息、系统带宽。
在一种可能实现方式中，所述基站为LTE基站，所述第二基站为5G基站；或，所述基站为5G基站，所述第二基站为LTE基站。
第五方面，提供了一种控制面聚合网络架构，包括：第一基站和第二基站，
所述第一基站用于根据第二基站的系统配置信息，生成指定信令，所述指定信令携带第二基站的系统配置信息；向UE发送所述指定信令；
所述第二基站，用于接收由第一基站发送的指定信令，所述指定信令携带第二基站的系统配置信息；根据所述第二基站的系统配置信息，与所述第二基 站建立RRC连接。
在一种可能实现方式中，所述第二基站还用于通过与所述第一基站之间的指定接口，发送系统配置信息；
所述第一基站还用于通过与所述第二基站之间的指定接口，接收所述第二基站发送的系统配置信息。
在一种可能实现方式中，所述指定信令为RRC连接重配置信令。
在一种可能实现方式中，所述指定信令为广播消息或单播消息。
在一种可能实现方式中，所述系统配置信息至少包括同步信息、系统带宽。
在一种可能实现方式中，所述第一基站为LTE基站，所述第二基站为5G基站；或，所述第一基站为5G基站，所述第二基站为LTE基站。
本公开的实施例提供的技术方案可以包括以下有益效果：本公开实施例提供的技术方案，通过基站之间的系统配置信息交互，使得一个基站的系统配置信息可以通过另一个基站所发送的指定指令携带，可以避免UE同时接收LTE和5G NR发送的RRC信令，降低UE的复杂度，可以有效将LTE网络和5G NR网络在控制面进行聚合，从而提升两个网络控制面聚合的性能。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。
图1是根据一示例性实施例示出的通信系统架构图。
图2是根据一示例性实施例示出的一种RRC连接建立方法的流程图。
图3是根据一示例性实施例示出的一种控制面聚合网络架构的示意图。
图4是根据一示例性实施例示出的一种控制面聚合网络架构的示意图。
图5是根据一示例性实施例示出的一种用户设备的框图。
图6是根据一示例性实施例示出的一种基站的框图。
图7是根据一示例性实施例示出的一种用户设备700的框图。
图8是根据一示例性实施例示出的一种基站的框图。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚，下面将结合附图对本公开实施方式作进一步地详细描述。
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
图1是根据一示例性实施例示出的通信系统架构图。如图1所示，该通信系统中可以包括第一基站和第二基站，第一基站和第二基站之间可以具有指定接口，用于基站间进行信息的交互，该第一基站和第二基站可以采用不同的通信协议，例如，第一基站采用LTE协议，为LTE系统下的基站，第二基站采用5G协议，为5G系统下的基站。另外，该第一基站和第二基站的覆盖范围可以有所重叠，本公开实施例对此不作具体限定，当然，所述第一基站为5G基站，所述第二基站为LTE基站，本公开实施例对此不作限定。
图2是根据一示例性实施例示出的一种RRC连接建立方法的流程图，如图2所示，RRC连接建立方法仅以UE当前处于第一基站的覆盖范围内为例进行说明，包括以下步骤。
在步骤201中，第一基站根据第二基站的系统配置信息，生成指定信令，该指定信令携带第二基站的系统配置信息。
其中，该第二基站的系统配置信息由该第二基站通过指定接口发送至该第一基站。该指定接口可以为Xn接口，是一种用于基站和基站之间进行通信的接口。
相应地，本公开实施例还包括以下步骤200：第二基站通过与第一基站之间的指定接口，向第一基站发送第二基站的系统配置信息，第二基站接收该系统配置信息。该系统配置信息是指用于建立RRC连接所需的信息，该系统配置信息至少包括同步信息、系统带宽，当然，该系统配置信息还可以包括其他信息，本公开实施例对此不作限定。
在一种可能实现方式中，该指定信令为RRC连接重配置信令(RRC connection reconfiguration)，该信令一般用于建立和重配置SRB2((Signalling  Radio Bearers，信令无线承载)和DRB(Data Radio Bearer，数据无线承载)。当然，该指定指令还可以是RRC连接重配置信令以外的指令，专门用于传递该系统配置信息，本公开实施例对此不作具体限定。
在本公开提供的一个实施例中，当检测到UE发生业务切换时，如果该第二基站满足业务切换需求，执行该根据第二基站的系统配置信息，生成指定信令的步骤。上述业务切换是指UE业务发生变化，例如，UE的数据业务从网页浏览变化为视频播放，则可能第一基站无法满足该业务切换需求，而如果在该范围内具有满足业务切换需求的第二基站，则可以由第一基站将第二基站的系统配置信息携带在指定信令中发送给UE，使得UE能够与第二基站进行RRC连接，以通过第二基站执行切换后的业务。
需要说明的是，该第一基站可以根据UE的业务请求判断是否需要切换至第二基站，其具体判断方法可以是根据业务请求类型进行判断等方式，本公开实施例对此不作限定。
在步骤202中，第一基站向UE发送该指定信令。
在一种可能实现方式中，该指定信令为广播消息或单播消息，该指定信令可以是仅发送给某个UE的单播消息，以通知某个UE如何进行与第二基站的RRC连接建立过程，或者发送给多个UE的广播消息，以通知任一个UE与该第二基站进行RRC连接建立所需的信息，从而使得该UE在需要与第二基站进行RRC连接建立时，能够直接从UE本地获取该系统配置信息，本公开实施例对此不作限定。
在步骤203中，UE在接收由第一基站发送的指定信令时，根据该第二基站的系统配置信息，与该第二基站建立RRC连接。
当UE接收由第一基站发送的指定信令时，确定要进行基站的切换，则根据该第二基站的系统配置信息，与第二基站建立RRC连接。其中，与第二基站建立RRC连接的过程可以与第一基站建立RRC连接的过程同理，在此不做赘述。
本公开实施例的具体实现可以基于一种新型的LTE-NR控制面聚合网络架构进行，在该新的控制面聚合网络架构中，包括上述第一基站和第二基站，该第一基站为LTE基站，该第二基站为5G基站；或，该第一基站为5G基站，该第二基站为LTE基站。
例如，该第一基站为LTE基站，该第二基站为5G基站，参照图3，在LTE 中，控制面由RRC层、PDCP(Packet Data Convergence Protocol，分组数据汇聚协议)层、RLC(Radio Link Control，无线链路控制)层、MAC(Media Access Control，媒体访问控制)层、PHY(Physical)层组成。如果采用类似于双链接(DC(Dual Connectivity，双链路)的方式来作为LTE-NR(New Radio，新无线)控制面聚合网络架构基础，也就是LTE作为anchor(锚点)，则5G NR的系统配置信息可以通过新定义的Xn接口传输给LTE，并由LTE的RRC层发送给UE，5G NR不会产生RRC信令。
例如，该第一基站为5G基站，该第二基站为LTE基站，参照图4，如果采用类似于双链接(DC)的方式来作为LTE-NR控制面聚合网络架构基础，也就是NR作为anchor(锚点)，则LTE的系统配置信息可以通过新定义的Xn接口传输给NR，并由NR的RRC层发送给UE，LTE不会产生RRC信令。
本公开实施例提供的方法，可以避免UE同时接收LTE和5G NR发送的RRC信令，降低UE的复杂度，可以有效将LTE网络和5G NR网络在控制面进行聚合，从而提升两个网络控制面聚合的性能。
图5是根据一示例性实施例示出的一种用户设备的框图。参照图5，该用户设备包括：
接收模块501，用于接收由第一基站发送的指定信令，所述指定信令携带第二基站的系统配置信息；
连接建立模块502，用于根据所述第二基站的系统配置信息，与所述第二基站建立RRC连接。
在一种可能实现方式中，所述第二基站的系统配置信息由所述第二基站通过指定接口发送至所述第一基站。
在一种可能实现方式中，所述指定信令为RRC连接重配置信令。
在一种可能实现方式中，所述指定信令为广播消息或单播消息。
在一种可能实现方式中，所述系统配置信息至少包括同步信息、系统带宽。
在一种可能实现方式中，所述第一基站为LTE基站，所述第二基站为5G基站；或，所述第一基站为5G基站，所述第二基站为LTE基站。
关于上述实施例中的用户设备，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
图6是根据一示例性实施例示出的一种基站的框图。参照图6，该基站包括：
生成模块601，用于根据第二基站的系统配置信息，生成指定信令，所述指定信令携带第二基站的系统配置信息；
发送模块602，用于向UE发送所述指定信令，使得所述UE根据所述第二基站的系统配置信息与所述第二基站建立RRC连接。
在一种可能实现方式中，所述基站还包括：接收模块，用于通过与所述第二基站之间的指定接口，接收所述第二基站发送的系统配置信息。
在一种可能实现方式中，所述生成模块还用于当检测到UE发生业务切换时，如果所述第二基站满足业务切换需求，执行所述根据第二基站的系统配置信息，生成指定信令。
在一种可能实现方式中，所述指定信令为RRC连接重配置信令。
在一种可能实现方式中，所述指定信令为广播消息或单播消息。
在一种可能实现方式中，所述系统配置信息至少包括同步信息、系统带宽。
在一种可能实现方式中，所述基站为LTE基站，所述第二基站为5G基站；或，所述基站为5G基站，所述第二基站为LTE基站。
图7是根据一示例性实施例示出的一种用户设备700的框图。例如，用户设备700可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图7，用户设备700可以包括以下一个或多个组件：处理组件702，存储器704，电源组件706，多媒体组件708，音频组件710，输入/输出(I/O)的接口712，传感器组件714，以及通信组件716。
处理组件702通常控制用户设备700的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件702可以包括一个或多个处理器720来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件702可以包括一个或多个模块，便于处理组件702和其他组件之间的交互。例如，处理组件702可以包括多媒体模块，以方便多媒体组件708和处理组件702之间的交互。
存储器704被配置为存储各种类型的数据以支持在用户设备700的操作。这些数据的示例包括用于在用户设备700上操作的任何应用程序或方法的指 令，联系人数据，电话簿数据，消息，图片，视频等。存储器704可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件706为用户设备700的各种组件提供电力。电源组件706可以包括电源管理系统，一个或多个电源，及其他与为用户设备700生成、管理和分配电力相关联的组件。
多媒体组件708包括在所述用户设备700和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件708包括一个前置摄像头和/或后置摄像头。当用户设备700处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件710被配置为输出和/或输入音频信号。例如，音频组件710包括一个麦克风(MIC)，当用户设备700处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器704或经由通信组件716发送。在一些实施例中，音频组件710还包括一个扬声器，用于输出音频信号。
I/O接口712为处理组件702和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件714包括一个或多个传感器，用于为用户设备700提供各个方面的状态评估。例如，传感器组件714可以检测到设备700的打开/关闭状态，组件的相对定位，例如所述组件为用户设备700的显示器和小键盘，传感器组件714还可以检测用户设备700或用户设备700一个组件的位置改变，用户与用户设备700接触的存在或不存在，用户设备700方位或加速/减速和用户设备 700的温度变化。传感器组件714可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件714还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件714还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件716被配置为便于用户设备700和其他设备之间有线或无线方式的通信。用户设备700可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性实施例中，通信部件716经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，所述通信部件716还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，用户设备700可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器704，上述指令可由用户设备700的处理器720执行以完成上述方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
在示例性实施例中，还提供了一种非临时性计算机可读存储介质，当所述存储介质中的指令由用户设备的处理器执行时，使得用户设备能够执行一种RRC连接方法。
请参考图8，其为根据一示例性实施例示出的一种基站的结构示意图。如图所示，该基站包括发射机、接收机、存储器以及分别与发射机、接收机和存储器连接的处理器。当然，基站还可以包括天线、基带处理部件、中射频处理部件、输入输出装置等通用部件，本发明实施例在此不再任何限制。
所述基站被配置为执行上述图2中任一实施例所提供的基站侧的RRC连接方法。以上发射机和接收机还可以为收发机。该处理器可以为中央处理单元(CPU)、微处理器、单片机等。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公 开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (32)

  1. 一种RRC连接建立方法，其特征在于，所述方法包括：
    接收由第一基站发送的指定信令，所述指定信令携带第二基站的系统配置信息；
    根据所述第二基站的系统配置信息，与所述第二基站建立RRC连接。
  2. 根据权利要求1所述的方法，其特征在于，所述第二基站的系统配置信息由所述第二基站通过指定接口发送至所述第一基站。
  3. 根据权利要求1所述的方法，其特征在于，所述指定信令为RRC连接重配置信令。
  4. 根据权利要求1所述的方法，其特征在于，所述指定信令为广播消息或单播消息。
  5. 根据权利要求1所述的方法，其特征在于，所述系统配置信息至少包括同步信息、系统带宽。
  6. 根据权利要求1至5任一项所述的方法，其特征在于，
    所述第一基站为LTE基站，所述第二基站为5G基站；或，
    所述第一基站为5G基站，所述第二基站为LTE基站。
  7. 一种RRC连接建立方法，其特征在于，应用于第一基站，所述方法包括：
    根据第二基站的系统配置信息，生成指定信令，所述指定信令携带第二基站的系统配置信息；
    向UE发送所述指定信令，使得所述UE根据所述第二基站的系统配置信息与所述第二基站建立RRC连接。
  8. 根据权利要求7所述的方法，其特征在于，根据第二基站的系统配置信息，生成指定信令之前，所述方法还包括：
    通过与所述第二基站之间的指定接口，接收所述第二基站发送的系统配置信息。
  9. 根据权利要求7所述的方法，其特征在于，所述方法还包括：
    当检测到UE发生业务切换时，如果所述第二基站满足业务切换需求，执行所述根据第二基站的系统配置信息，生成指定信令。
  10. 根据权利要求7所述的方法，其特征在于，所述指定信令为RRC连接重配置信令。
  11. 根据权利要求7所述的方法，其特征在于，所述指定信令为广播消息或单播消息。
  12. 根据权利要求7所述的方法，其特征在于，所述系统配置信息至少包括同步信息、系统带宽。
  13. 根据权利要求7至12任一项所述的方法，其特征在于，
    所述第一基站为LTE基站，所述第二基站为5G基站；或，
    所述第一基站为5G基站，所述第二基站为LTE基站。
  14. 一种用户设备，其特征在于，所述用户设备包括：
    接收模块，用于接收由第一基站发送的指定信令，所述指定信令携带第二基站的系统配置信息；
    连接建立模块，用于根据所述第二基站的系统配置信息，与所述第二基站建立RRC连接。
  15. 根据权利要求14所述的用户设备，其特征在于，所述第二基站的系统配置信息由所述第二基站通过指定接口发送至所述第一基站。
  16. 根据权利要求14所述的用户设备，其特征在于，所述指定信令为RRC连接重配置信令。
  17. 根据权利要求14所述的用户设备，其特征在于，所述指定信令为广播消息或单播消息。
  18. 根据权利要求14所述的用户设备，其特征在于，所述系统配置信息至少包括同步信息、系统带宽。
  19. 根据权利要求14至18任一项所述的用户设备，其特征在于，
    所述第一基站为LTE基站，所述第二基站为5G基站；或，
    所述第一基站为5G基站，所述第二基站为LTE基站。
  20. 一种基站，其特征在于，所述基站包括：
    生成模块，用于根据第二基站的系统配置信息，生成指定信令，所述指定信令携带第二基站的系统配置信息；
    发送模块，用于向UE发送所述指定信令，使得所述UE根据所述第二基站 的系统配置信息与所述第二基站建立RRC连接。
  21. 根据权利要求20所述的基站，其特征在于，所述基站还包括：
    接收模块，用于通过与所述第二基站之间的指定接口，接收所述第二基站发送的系统配置信息。
  22. 根据权利要求20所述的基站，其特征在于，所述生成模块还用于当检测到UE发生业务切换时，如果所述第二基站满足业务切换需求，执行所述根据第二基站的系统配置信息，生成指定信令。
  23. 根据权利要求20所述的基站，其特征在于，所述指定信令为RRC连接重配置信令。
  24. 根据权利要求20所述的基站，其特征在于，所述指定信令为广播消息或单播消息。
  25. 根据权利要求20所述的基站，其特征在于，所述系统配置信息至少包括同步信息、系统带宽。
  26. 根据权利要求20至25任一项所述的基站，其特征在于，
    所述基站为LTE基站，所述第二基站为5G基站；或，
    所述基站为5G基站，所述第二基站为LTE基站。
  27. 一种控制面聚合网络架构，其特征在于，包括：第一基站和第二基站，
    所述第一基站用于根据第二基站的系统配置信息，生成指定信令，所述指定信令携带第二基站的系统配置信息；向UE发送所述指定信令；
    所述第二基站，用于接收由第一基站发送的指定信令，所述指定信令携带第二基站的系统配置信息；根据所述第二基站的系统配置信息，与所述第二基站建立RRC连接。
  28. 根据权利要求27所述的网络架构，其特征在于，
    所述第二基站还用于通过与所述第一基站之间的指定接口，发送系统配置信息；
    所述第一基站还用于通过与所述第二基站之间的指定接口，接收所述第二基站发送的系统配置信息。
  29. 根据权利要求27所述的网络架构，其特征在于，所述指定信令为RRC连接重配置信令。
  30. 根据权利要求27所述的网络架构，其特征在于，所述指定信令为广播 消息或单播消息。
  31. 根据权利要求27所述的网络架构，其特征在于，所述系统配置信息至少包括同步信息、系统带宽。
  32. 根据权利要求27至31任一项所述的网络架构，其特征在于，所述第一基站为LTE基站，所述第二基站为5G基站；或，所述第一基站为5G基站，所述第二基站为LTE基站。
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