WO2021022394A1 - 信息发送方法及装置、连接建立方法及装置和基站 - Google Patents

信息发送方法及装置、连接建立方法及装置和基站 Download PDF

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Publication number
WO2021022394A1
WO2021022394A1 PCT/CN2019/098991 CN2019098991W WO2021022394A1 WO 2021022394 A1 WO2021022394 A1 WO 2021022394A1 CN 2019098991 W CN2019098991 W CN 2019098991W WO 2021022394 A1 WO2021022394 A1 WO 2021022394A1
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WIPO (PCT)
Prior art keywords
frequency band
indication information
paging message
band indication
base station
Prior art date
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PCT/CN2019/098991
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English (en)
French (fr)
Inventor
洪伟
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北京小米移动软件有限公司
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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 CN201980001590.0A priority Critical patent/CN110583079A/zh
Priority to PCT/CN2019/098991 priority patent/WO2021022394A1/zh
Publication of WO2021022394A1 publication Critical patent/WO2021022394A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • 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

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to an information sending method and device, a connection establishment method and device, a base station, user equipment, and a computer-readable storage medium.
  • 3GPP The Third Generation Partnership Project (3GPP) approved the 5th Generation Mobile Communication Technology (5th Generation, 5G) Project New Radio Access Technology Research Project in March 2016 (Study on New Radio Access Technology SI), this research item (Study item, SI for short) targets a frequency range up to 100GHz.
  • 3GPP approved the introduction of a new work item (New WID on New Radio Access Technology) on New Radio Access Technology in March 2017, and plans to complete this work item (WI for short) in June 2018.
  • 3GPP agreed to prioritize the standardization of Non-StandAlone (NSA) scenarios. The standardization work for this scenario has been completed. Therefore, the deployment of NSA scenarios is an important step in realizing 5G commercialization. .
  • the NSA mode is based on Long Term Evolution (LTE)-New Radio (NR) dual connection, which requires the User Equipment (UE) to maintain two communication links at the same time, one It is the LTE main communication link and one is the NR auxiliary communication link, which is the dual connection (EN-DC) scenario of the 4th Generation (4G) radio access network and 5G NR.
  • LTE Long Term Evolution
  • NR New Radio
  • EN-DC dual connection
  • the Evolved UMTS Terrestrial Radio Access Network (EUTRAN) frequency band of the master node (Master node, referred to as MN) is usually used to ensure the network Coverage, and the NR frequency band of the secondary node (SN) is usually used to provide high capacity and high data rate.
  • EUTRAN Evolved UMTS Terrestrial Radio Access Network
  • MN master node
  • SN secondary node
  • EUTRAN UEs and EN-DC UEs may choose to camp on, which will cause excessive load on the EUTRAN frequency band supporting EN-DC.
  • this application discloses an information sending method and device, a connection establishment method and device, a base station, a user equipment, and a computer-readable storage medium to balance the load of the EUTRAN frequency band supporting EN-DC.
  • an information sending method applied to a base station includes:
  • the target UE includes a first type UE or a second type UE.
  • the first type of UE includes the dual-connected EN-DC UE of the fourth-generation radio access network and the fifth-generation radio new air interface and the EUTRAN UE of the Evolved Universal Mobile Communication System Terrestrial Radio Access Network.
  • the second type UE includes the other type of the EN-DC UE and the EUTRAN UE.
  • a connection establishment method which is applied to a user equipment UE, and the method includes:
  • the paging message includes the frequency band indication information, establish an RRC connection with the base station on the frequency band indicated by the frequency band indication information.
  • the method further includes:
  • the paging message does not include the frequency band indication information, an RRC connection is established with the base station on the frequency band where the UE currently camps.
  • the UE includes a first type UE or a second type UE.
  • the first type of UE includes the dual-connected EN-DC UE of the fourth-generation radio access network and the fifth-generation radio new air interface and the EUTRAN UE of the Evolved Universal Mobile Communication System Terrestrial Radio Access Network.
  • the second type UE includes the other type of the EN-DC UE and the EUTRAN UE.
  • an information sending device applied to a base station includes:
  • the adding module is configured to add frequency band indication information to the paging message if it needs to send data to the target user equipment UE, where the frequency band indication information is used to indicate the frequency band information used by the target UE to establish a radio resource control RRC connection ;
  • the sending module is configured to send the paging message in which the adding module adds the frequency band indication information to the target UE.
  • the target UE includes a first type UE or a second type UE.
  • the first type of UE includes the dual-connected EN-DC UE of the fourth-generation radio access network and the fifth-generation radio new air interface and the EUTRAN UE of the Evolved Universal Mobile Communication System Terrestrial Radio Access Network.
  • the second type UE includes the other type of the EN-DC UE and the EUTRAN UE.
  • connection establishment device which is applied to user equipment UE, and the device includes:
  • the receiving module is configured to receive paging messages sent by the base station
  • a checking module configured to check whether the paging message received by the receiving module includes frequency band indication information, where the frequency band indication information is used to indicate the frequency band information used by the UE to establish a radio resource control RRC connection;
  • the first establishment module is configured to establish an RRC connection with the base station on the frequency band indicated by the frequency band indication information if the checking module detects that the paging message contains the frequency band indication information.
  • the device further includes:
  • the second establishment module is configured to establish an RRC connection with the base station on the frequency band where the UE currently camps if the checking module detects that the paging message does not include the frequency band indication information.
  • the UE includes a first type UE or a second type UE.
  • the first type of UE includes the dual-connected EN-DC UE of the fourth-generation radio access network and the fifth-generation radio new air interface and the EUTRAN UE of the Evolved Universal Mobile Communication System Terrestrial Radio Access Network.
  • the second type UE includes the other type of the EN-DC UE and the EUTRAN UE.
  • a base station including:
  • a memory for storing processor executable instructions
  • the processor is configured to:
  • a user equipment including:
  • a memory for storing processor executable instructions
  • the processor is configured to:
  • the paging message includes the frequency band indication information, establish an RRC connection with the base station on the frequency band indicated by the frequency band indication information.
  • a computer-readable storage medium having computer instructions stored thereon, which when executed by a processor implements the steps of the information sending method described above.
  • a computer-readable storage medium having computer instructions stored thereon, which, when executed by a processor, implement the steps of the connection establishment method described above.
  • the base station adds frequency band indication information to the paging message, so that when the target UE has the frequency band indication information in the paging message, it establishes an RRC connection based on the frequency band indication information.
  • the target UE When there is no frequency band indication information in the paging message, it is based on The frequency band where the target UE resides is used to establish an RRC connection, so that in the scenario of coordinated deployment of EUTRAN and EN-DC, different types of UEs can indicate the frequency band used for establishing an RRC connection, thereby achieving the purpose of load balancing.
  • the UE checks whether the paging message contains frequency band indication information, and when the paging message contains frequency band indication information, establishes an RRC connection with the base station on the frequency band indicated by the frequency band indication information, thereby equalizing the EUTRAN frequency band that supports EN-DC Load.
  • Fig. 1 is a flowchart of an information sending method shown in an exemplary embodiment of the present application
  • Fig. 2a is a flowchart of a method for establishing a connection according to an exemplary embodiment of the present application
  • Fig. 2b is a flowchart of another connection establishment method shown in an exemplary embodiment of the present application.
  • Fig. 3 is a signaling flowchart of a method for establishing a connection according to an exemplary embodiment of the present application
  • Fig. 4 is a block diagram showing an information sending device according to an exemplary embodiment
  • Fig. 5 is a block diagram showing a device for establishing a connection according to an exemplary embodiment
  • Fig. 6 is a block diagram showing another device for establishing a connection according to an exemplary embodiment
  • Fig. 7 is a block diagram showing a device suitable for information sending according to an exemplary embodiment
  • Fig. 8 is a block diagram showing a device suitable for connection establishment according to an exemplary embodiment.
  • FIG. 1 is a flowchart of an information sending method shown in an exemplary embodiment of the present application. This embodiment is described from the base station side. As shown in FIG. 1, the information sending method includes:
  • step S101 if data needs to be sent to the target UE, frequency band indication information is added to the paging message.
  • the frequency band indication information is used to indicate the frequency band used by the target UE to establish a radio resource control (Radio Resource Control, RRC) connection information.
  • RRC Radio Resource Control
  • frequency band indication information is added to the paging message sent to the target UE.
  • the target UE may be a first type UE or a second type UE.
  • the first type of UE includes one of EN-DC UE and EUTRAN UE
  • the second type of UE includes the other of EN-DC UE and EUTRAN UE.
  • step S102 a paging message adding frequency band indication information is sent to the target UE.
  • the base station after adding frequency band indication information to the paging message, the base station sends a paging message with frequency band indication information added to the target UE.
  • the frequency band indication information is added to the paging message, so that when the target UE has the frequency band indication information in the paging message, the RRC connection is established based on the frequency band indication information, and there is no frequency band indication in the paging message.
  • the RRC connection is established based on the frequency band where the target UE resides, so that in the scenario of coordinated deployment of EUTRAN and EN-DC, different types of UEs can indicate the frequency band used to establish the RRC connection, thereby achieving the purpose of load balancing.
  • Fig. 2a is a flowchart of a connection establishment method shown in an exemplary embodiment of the present application. This embodiment is described from the UE side. As shown in Fig. 2a, the method includes:
  • step S201 a paging message sent by a base station is received.
  • step S202 it is checked whether the paging message contains frequency band indication information.
  • the frequency band indication information is used to indicate the frequency band information used by the UE to establish an RRC connection. If the paging message contains frequency band indication information, step S203 is executed.
  • step S203 an RRC connection is established with the base station on the frequency band indicated by the frequency band indication information.
  • the method may further include: if the frequency band indication information is not included in the paging message, step S204 is executed.
  • step S204 an RRC connection is established with the base station on the frequency band where the UE currently resides.
  • the UE After receiving the paging message sent by the base station, the UE first checks whether the paging message contains frequency band indication information. If it contains frequency band indication information, it establishes an RRC connection with the base station on the frequency band indicated by the frequency band indication information. If no frequency band is included Indication information, the RRC connection is established with the base station on the frequency band where the UE currently resides.
  • the frequency band where the EN-DC UE currently resides is f1.
  • the paging message contains frequency band indication information, and the EN-DC UE is in the frequency band indicated by the frequency band indication information.
  • F2 establishes an RRC connection with the base station and performs subsequent data transmission.
  • the frequency band where EUTRAN UE currently resides is f1.
  • the EUTRAN UE After receiving a paging message from a base station, and checking that the paging message does not have frequency band indication information, the EUTRAN UE directly establishes an RRC connection with the base station on f1 and performs Transmission of subsequent data.
  • Fig. 3 is a signaling flowchart of a method for establishing a connection according to an exemplary embodiment of the present application. This embodiment is described from the perspective of interaction between a base station and a UE. As shown in Fig. 3, the method includes:
  • step S301 if the base station needs to send data to the UE, it adds frequency band indication information to the paging message.
  • the frequency band indication information is used to indicate the frequency band information used by the UE to establish an RRC connection.
  • the UE may be an EN-DC UE or an EUTRAN UE.
  • step S302 the base station sends a paging message adding frequency band indication information to the UE.
  • step S303 the UE receives the paging message sent by the base station.
  • step S304 the UE checks whether the paging message contains frequency band indication information, and if the paging message contains frequency band indication information, it establishes an RRC connection with the base station on the frequency band indicated by the frequency band indication information.
  • the UE through the interaction between the base station and the UE, when the UE includes frequency band indication information in the paging message, it establishes an RRC connection with the base station on the frequency band indicated by the frequency band indication information, thereby equalizing the EUTRAN supporting EN-DC The load of the frequency band.
  • Fig. 4 is a block diagram showing an information sending device according to an exemplary embodiment.
  • the device is located in a base station. As shown in Fig. 4, the device includes:
  • the adding module 41 is configured to add frequency band indication information to the paging message if it needs to send data to the target user equipment UE.
  • the frequency band indication information is used to indicate the frequency band information used by the target UE to establish a radio resource control RRC connection.
  • frequency band indication information is added to the paging message sent to the target UE.
  • the target UE may be a first type UE or a second type UE.
  • the first type of UE includes one of EN-DC UE and EUTRAN UE
  • the second type of UE includes the other of EN-DC UE and EUTRAN UE.
  • the sending module 42 is configured to send a paging message in which the adding module 41 adds frequency band indication information to the target UE.
  • the base station after adding frequency band indication information to the paging message, the base station sends a paging message with frequency band indication information added to the target UE.
  • the frequency band indication information is added to the paging message, so that when the target UE has the frequency band indication information in the paging message, the RRC connection is established based on the frequency band indication information, and there is no frequency band indication in the paging message.
  • the RRC connection is established based on the frequency band where the target UE resides, so that in the scenario of coordinated deployment of EUTRAN and EN-DC, different types of UEs can indicate the frequency band used to establish the RRC connection, thereby achieving the purpose of load balancing.
  • Fig. 5 is a block diagram showing an apparatus for establishing a connection according to an exemplary embodiment.
  • the apparatus is located in a UE.
  • the apparatus includes:
  • the receiving module 51 is configured to receive paging messages sent by the base station.
  • the checking module 52 is configured to check whether the paging message received by the receiving module 51 contains frequency band indication information.
  • the frequency band indication information is used to indicate the frequency band information used by the UE to establish a radio resource control RRC connection.
  • the first establishment module 53 is configured to establish an RRC connection with the base station on the frequency band indicated by the frequency band indication information if the checking module 52 detects that the paging message contains frequency band indication information.
  • the UE After receiving the paging message sent by the base station, the UE first checks whether the paging message contains frequency band indication information, and if it contains frequency band indication information, it establishes an RRC connection with the base station on the frequency band indicated by the frequency band indication information.
  • the frequency band where the EN-DC UE currently resides is f1.
  • the paging message contains frequency band indication information, and the EN-DC UE is in the frequency band indicated by the frequency band indication information.
  • F2 establishes an RRC connection with the base station and performs subsequent data transmission.
  • Fig. 6 is a block diagram showing another information sending device according to an exemplary embodiment. As shown in Fig. 6, based on the embodiment shown in Fig. 5, the device may further include:
  • the second establishing module 54 is configured to establish an RRC connection with the base station on the frequency band where the UE currently resides if the checking module 52 detects that the paging message does not contain frequency band indication information.
  • the UE After receiving the paging message sent by the base station, the UE first checks whether the paging message contains frequency band indication information, and if it does not contain frequency band indication information, it establishes an RRC connection with the base station on the frequency band where the UE currently resides.
  • the frequency band where EUTRAN UE currently resides is f1.
  • the EUTRAN UE After receiving a paging message from a base station, and checking that the paging message does not have frequency band indication information, the EUTRAN UE directly establishes an RRC connection with the base station on f1 and performs Transmission of subsequent data.
  • an RRC connection is established with the base station on the frequency band where the UE currently resides, so as to ensure that the UE can establish an RRC connection with the base station.
  • Fig. 7 is a block diagram showing a device suitable for information sending according to an exemplary embodiment.
  • the apparatus 700 may be provided as a base station. 7, the device 700 includes a processing component 722, a wireless transmitting/receiving component 724, an antenna component 726, and a signal processing part specific to a wireless interface.
  • the processing component 722 may further include one or more processors.
  • One of the processors in the processing component 722 may be configured as:
  • the frequency band indication information is used to indicate the frequency band information used by the target UE to establish a radio resource control RRC connection;
  • a non-transitory computer-readable storage medium including instructions is also provided, and the foregoing instructions can be executed by the processing component 722 of the device 700 to complete the foregoing information sending method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • Fig. 8 is a block diagram showing a device suitable for connection establishment according to an exemplary embodiment.
  • the device 800 may be a mobile phone, a computer, a digital broadcasting terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and other user equipment.
  • the device 800 may include one or more of the following components: a processing component 802, a memory 804, a power supply component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 88, a sensor component 814, And the communication component 816.
  • a processing component 802 a memory 804, a power supply component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 88, a sensor component 814, And the communication component 816.
  • the processing component 802 generally controls the overall operations of the device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • the processing element 802 may include one or more processors 820 to execute instructions to complete all or part of the steps of the foregoing method.
  • the processing component 802 may include one or more modules to facilitate the interaction between the processing component 802 and other components.
  • the processing component 802 may include a multimedia module to facilitate the interaction between the multimedia component 808 and the processing component 802.
  • One of the processors 820 in the processing component 802 may be configured as:
  • the paging message contains frequency band indication information
  • an RRC connection is established with the base station on the frequency band indicated by the frequency band indication information.
  • the memory 804 is configured to store various types of data to support the operation of the device 800. Examples of these data include instructions for any application or method operating on the device 800, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 804 can be implemented by any type of volatile or nonvolatile 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, Magnetic 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
  • Magnetic Disk Magnetic Disk or Optical Disk.
  • the power supply component 806 provides power to various components of the device 800.
  • the power supply component 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 800.
  • the multimedia component 808 includes a screen that provides an output interface between the device 800 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, sliding, and gestures on the touch panel. The touch sensor can not only sense the boundary of the touch or slide action, but also detect the duration and pressure related to the touch or slide operation.
  • the multimedia component 808 includes a front camera and/or a rear camera. When the device 800 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 camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 810 is configured to output and/or input audio signals.
  • the audio component 810 includes a microphone (MIC), and when the device 800 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode, the microphone is configured to receive external audio signals.
  • the received audio signal may be further stored in the memory 804 or transmitted via the communication component 816.
  • the audio component 810 further includes a speaker for outputting audio signals.
  • the I/O interface 88 provides an interface between the processing component 802 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, and the like. These buttons may include but are not limited to: home button, volume button, start button, and lock button.
  • the sensor component 814 includes one or more sensors for providing the device 800 with various aspects of status assessment.
  • the sensor component 814 can detect the on/off status of the device 800 and the relative positioning of components, such as the display and keypad of the device 800.
  • the sensor component 814 can also detect the position change of the device 800 or a component of the device 800. The presence or absence of contact with the device 800, the orientation or acceleration/deceleration of the device 800, and the temperature change of the device 800.
  • the sensor component 814 may include a proximity sensor configured to detect the presence of nearby objects when there is no physical contact.
  • the sensor component 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.
  • the communication component 816 is configured to facilitate wired or wireless communication between the device 800 and other devices.
  • the device 800 can access a wireless network based on a communication standard, such as WiFi, 2G, or 3G, or a combination thereof.
  • the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 816 further includes a near field communication (NFC) module to facilitate short-range 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
  • the apparatus 800 may be implemented by one or more application specific integrated circuits (ASIC), digital signal processors (DSP), digital signal processing equipment (DSPD), programmable logic devices (PLD), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic components are implemented to implement the above methods.
  • ASIC application specific integrated circuits
  • DSP digital signal processors
  • DSPD digital signal processing equipment
  • PLD programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic components are implemented to implement the above methods.
  • non-transitory computer-readable storage medium including instructions, such as the memory 804 including instructions, which can be executed by the processor 820 of the device 800 to complete the foregoing method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • the relevant part can refer to the part of the description of the method embodiment.
  • the device embodiments described above are merely illustrative.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network units.
  • Some or all of the modules may be selected according to actual needs to achieve the objectives of the solutions of the embodiments. Those of ordinary skill in the art can understand and implement it without creative work.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

本公开是关于一种信息发送方法及装置、连接建立方法及装置、基站、用户设备和计算机可读存储介质。其中，信息发送方法包括：若需要向目标用户设备UE发送数据，则在寻呼消息中添加频段指示信息，该频段指示信息用于指示目标UE建立无线资源控制RRC连接所采用的频段信息；向目标UE发送添加该频段指示信息的寻呼消息。本公开实施例，通过在寻呼消息中添加频段指示信息，使得目标UE在寻呼消息中有该频段指示信息时，基于该频段指示信息来建立RRC连接，达到在EUTRAN和EN-DC协同部署的场景下，可以为不同类型的UE指示建立RRC连接所用的频段，从而达到负载均衡的目的。

Description

信息发送方法及装置、连接建立方法及装置和基站 技术领域
本公开涉及通信技术领域，尤其涉及一种信息发送方法及装置、连接建立方法及装置、基站、用户设备和计算机可读存储介质。
背景技术
第三代合作伙伴计划(Third Generation Partnership Project，简称3GPP)在2016年3月批准了第五代移动通信技术(5th Generation，简称5G)项目新空口接入技术研究项目的研究(Study on New Radio Access Technology SI)，该研究项目(Study item，简称SI)面向的频率范围最高可达100GHz。并且3GPP在2017年3月批准了关于新空口接入技术的新工作项目介绍(New WID on New Radio Access Technology)，并计划于2018年6月完成此工作项目(work item，简称WI)。为了更快地能够商用5G，3GPP同意将非独立(Non-StandAlone，简称NSA)场景进行优先标准化，目前已完成了针对该场景的标准化工作，因此，NSA场景的部署是实现5G商用的重要一步。而NSA模式是基于长期演进(Long Term Evolution，简称LTE)-新空口(New Radio，简称NR)双连接的，这就需要用户设备(User Equipment，简称UE)同时维持两条通信链路，一条为LTE主通信链路，一条为NR辅通信链路，也就是***移动通信技术(4th Generation，简称4G)无线接入网与5G NR的双连接(EN-DC)场景。在实际部署的过程中。运营商的4G和5G网络需要协同部署，共同发展。通常来说，在部署EN-DC时，主节点(Master node，简称MN)的演进的通用移动通信***陆地无线接入网(Evolved UMTS Terrestrial Radio Access Network，简称EUTRAN)频段通常会用来保证网络覆盖，而辅节点(Secondary node，简称SN)的NR频段通常会用来提供高容量和高数据速率。考虑到网络部署的成本，运营商不会将所有的EUTRAN频段来支持EN-DC。因此，在支持EN-DC的EUTRAN频段上，EUTRAN的UE和EN-DC的UE都可能选择进行驻留，这样会造成支持EN-DC的EUTRAN频段负载过高。
发明内容
有鉴于此，本申请公开了一种信息发送方法及装置、连接建立方法及装置、基站、用户设备和计算机可读存储介质，以均衡支持EN-DC的EUTRAN频段的负载。
根据本公开实施例的第一方面，提供一种信息发送方法，应用于基站，所述方法包括：
若需要向目标用户设备UE发送数据，则在寻呼消息中添加频段指示信息，所述频段指示信息用于指示所述目标UE建立无线资源控制RRC连接所采用的频段信息；
向所述目标UE发送添加所述频段指示信息的所述寻呼消息。
在一实施例中，所述目标UE包括第一类型UE或第二类型UE。
在一实施例中，所述第一类型UE包括***无线接入网与第五代无线新空口的双连接EN-DC UE和演进的通用移动通信***陆地无线接入网EUTRAN UE中的一种，所述第二类型UE包括所述EN-DC UE和所述EUTRAN UE中的另一种。
根据本公开实施例的第二方面，提供一种连接建立方法，应用于用户设备UE，所述方法包括：
接收基站发送的寻呼消息；
检查所述寻呼消息中是否包含频段指示信息，所述频段指示信息用于指示所述UE建立无线资源控制RRC连接所采用的频段信息；
若所述寻呼消息中包含所述频段指示信息，则在所述频段指示信息指示的频段上与所述基站建立RRC连接。
在一实施例中，所述方法还包括：
若所述寻呼消息中没有包含所述频段指示信息，则在所述UE当前驻留的频段上与所述基站建立RRC连接。
在一实施例中，所述UE包括第一类型UE或第二类型UE。
在一实施例中，所述第一类型UE包括***无线接入网与第五代无线新空口的双连接EN-DC UE和演进的通用移动通信***陆地无线接入网EUTRAN UE中的一种，所述第二类型UE包括所述EN-DC UE和所述EUTRAN UE中的另一种。
根据本公开实施例的第三方面，提供一种信息发送装置，应用于基站，所述装置包括：
添加模块，被配置为若需要向目标用户设备UE发送数据，则在寻呼消息中添加频段指示信息，所述频段指示信息用于指示所述目标UE建立无线资源控制RRC连接所 采用的频段信息；
发送模块，被配置为向所述目标UE发送所述添加模块添加所述频段指示信息的所述寻呼消息。
在一实施例中，所述目标UE包括第一类型UE或第二类型UE。
在一实施例中，所述第一类型UE包括***无线接入网与第五代无线新空口的双连接EN-DC UE和演进的通用移动通信***陆地无线接入网EUTRAN UE中的一种，所述第二类型UE包括所述EN-DC UE和所述EUTRAN UE中的另一种。
根据本公开实施例的第四方面，提供一种连接建立装置，应用于用户设备UE，所述装置包括：
接收模块，被配置为接收基站发送的寻呼消息；
检查模块，被配置为检查所述接收模块接收的所述寻呼消息中是否包含频段指示信息，所述频段指示信息用于指示所述UE建立无线资源控制RRC连接所采用的频段信息；
第一建立模块，被配置为若所述检查模块检查到所述寻呼消息中包含所述频段指示信息，则在所述频段指示信息指示的频段上与所述基站建立RRC连接。
在一实施例中，所述装置还包括：
第二建立模块，被配置为若所述检查模块检查到所述寻呼消息中没有包含所述频段指示信息，则在所述UE当前驻留的频段上与所述基站建立RRC连接。
在一实施例中，所述UE包括第一类型UE或第二类型UE。
在一实施例中，所述第一类型UE包括***无线接入网与第五代无线新空口的双连接EN-DC UE和演进的通用移动通信***陆地无线接入网EUTRAN UE中的一种，所述第二类型UE包括所述EN-DC UE和所述EUTRAN UE中的另一种。
根据本公开实施例的第五方面，提供一种基站，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：
若需要向目标用户设备UE发送数据，则在寻呼消息中添加频段指示信息，所述 频段指示信息用于指示所述目标UE建立无线资源控制RRC连接所采用的频段信息；
向所述目标UE发送添加所述频段指示信息的所述寻呼消息。
根据本公开实施例的第六方面，提供一种用户设备，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：
接收基站发送的寻呼消息；
检查所述寻呼消息中是否包含频段指示信息，所述频段指示信息用于指示所述UE建立无线资源控制RRC连接所采用的频段信息；
若所述寻呼消息中包含所述频段指示信息，则在所述频段指示信息指示的频段上与所述基站建立RRC连接。
根据本公开实施例的第七方面，提供一种计算机可读存储介质，其上存储有计算机指令，该指令被处理器执行时实现上述信息发送方法的步骤。
根据本公开实施例的第八方面，提供一种计算机可读存储介质，其上存储有计算机指令，该指令被处理器执行时实现上述连接建立方法的步骤。
本公开的实施例提供的技术方案可以包括以下有益效果：
基站通过在寻呼消息中添加频段指示信息，使得目标UE在寻呼消息中有该频段指示信息时，基于该频段指示信息来建立RRC连接，在寻呼消息中没有该频段指示信息时，基于该目标UE驻留的频段来建立RRC连接，达到在EUTRAN和EN-DC协同部署的场景下，可以为不同类型的UE指示建立RRC连接所用的频段，从而达到负载均衡的目的。
UE通过检查寻呼消息中是否包含频段指示信息，并在该寻呼消息中包含频段指示信息时，在该频段指示信息指示的频段上与基站建立RRC连接，从而均衡支持EN-DC的EUTRAN频段的负载。
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，示出了符合本发明的实施例，并与说明书一起用于解释本发明的原理。
图1是本申请一示例性实施例示出的一种信息发送方法的流程图；
图2a是本申请一示例性实施例示出的一种连接建立方法的流程图；
图2b是本申请一示例性实施例示出的另一种连接建立方法的流程图；
图3是本申请一示例性实施例示出的一种连接建立方法的信令流程图；
图4是根据一示例性实施例示出的一种信息发送装置的框图；
图5是根据一示例性实施例示出的一种连接建立装置的框图；
图6是根据一示例性实施例示出的另一种连接建立装置的框图；
图7是根据一示例性实施例示出的一种适用于信息发送装置的框图；
图8是根据一示例性实施例示出的一种适用于连接建立装置的框图。
具体实施方式
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发明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、本发明的一些方面相一致的装置和方法的例子。
图1是本申请一示例性实施例示出的一种信息发送方法的流程图，该实施例从基站侧进行描述，如图1所示，该信息发送方法包括：
在步骤S101中，若需要向目标UE发送数据，则在寻呼消息中添加频段指示信息，该频段指示信息用于指示目标UE建立无线资源控制(Radio Resource Control，简称RRC)连接所采用的频段信息。
在该实施例中，若基站需要向目标UE发送数据，则在向该目标UE发送的寻呼消息中添加频段指示信息。
其中，目标UE可以为第一类型UE或第二类型UE。第一类型UE包括EN-DC UE和EUTRAN UE中的一种，第二类型UE包括EN-DC UE和EUTRAN UE中的另一种。
在步骤S102中，向目标UE发送添加频段指示信息的寻呼消息。
其中，基站在寻呼消息中添加频段指示信息之后，向目标UE发送添加频段指示信息的寻呼消息。
上述实施例中，通过在寻呼消息中添加频段指示信息，使得目标UE在寻呼消息中有该频段指示信息时，基于该频段指示信息来建立RRC连接，在寻呼消息中没有该频段指示信息时，基于该目标UE驻留的频段来建立RRC连接，达到在EUTRAN和EN-DC协同部署的场景下，可以为不同类型的UE指示建立RRC连接所用的频段，从而达到负载均衡的目的。
图2a是本申请一示例性实施例示出的一种连接建立方法的流程图，该实施例从UE侧进行描述，如图2a所示，该方法包括：
在步骤S201中，接收基站发送的寻呼消息。
在步骤S202中，检查该寻呼消息中是否包含频段指示信息，该频段指示信息用于指示UE建立RRC连接所采用的频段信息，若寻呼消息中包含频段指示信息，则执行步骤S203。
在步骤S203中，在该频段指示信息指示的频段上与基站建立RRC连接。
可选地，如图2b所示，在上述步骤S202之后，还方法还可以包括：若寻呼消息中没有包含频段指示信息，则执行步骤S204。
在步骤S204中，在UE当前驻留的频段上与基站建立RRC连接。
UE在收到基站发送的寻呼消息后，先检查寻呼消息中是否包含频段指示信息，若包含频段指示信息，则在该频段指示信息指示的频段上与基站建立RRC连接，若没有包含频段指示信息，则在UE当前驻留的频段上与基站建立RRC连接。
例如，EN-DC UE当前驻留的频段为f1，在接收到基站的寻呼消息后，检查到该寻呼消息中包含频段指示信息，则该EN-DC UE在该频段指示信息指示的频段f2上与基站建立RRC连接并进行后续数据的传输。
又例如，EUTRAN UE当前驻留的频段为f1，在接收到基站的寻呼消息后，检查到该寻呼消息没有频段指示信息，则该EUTRAN UE直接在f1上与该基站建立RRC连接并进行后续数据的传输。
上述实施例，通过检查寻呼消息中是否包含频段指示信息，并在该寻呼消息中包含频段指示信息时，在该频段指示信息指示的频段上与基站建立RRC连接，从而均衡支 持EN-DC的EUTRAN频段的负载。
图3是本申请一示例性实施例示出的一种连接建立方法的信令流程图，该实施例从基站和UE交互的角度进行描述，如图3所示，该方法包括：
在步骤S301中，若基站需要向UE发送数据，则在寻呼消息中添加频段指示信息，该频段指示信息用于指示UE建立RRC连接所采用的频段信息。
其中，该UE可以为EN-DC UE或EUTRAN UE。
在步骤S302中，基站向UE发送添加频段指示信息的寻呼消息。
在步骤S303中，UE接收基站发送的寻呼消息。
在步骤S304中，UE检查该寻呼消息中是否包含频段指示信息，若该寻呼消息中包含频段指示信息，则在该频段指示信息指示的频段上与基站建立RRC连接。
上述实施例，通过基站和UE之间的交互，使得UE在该寻呼消息中包含频段指示信息时，在该频段指示信息指示的频段上与基站建立RRC连接，从而均衡支持EN-DC的EUTRAN频段的负载。
图4是根据一示例性实施例示出的一种信息发送装置的框图，该装置位于基站中，如图4所示，该装置包括：
添加模块41被配置为若需要向目标用户设备UE发送数据，则在寻呼消息中添加频段指示信息，频段指示信息用于指示目标UE建立无线资源控制RRC连接所采用的频段信息。
在该实施例中，若基站需要向目标UE发送数据，则在向该目标UE发送的寻呼消息中添加频段指示信息。
其中，目标UE可以为第一类型UE或第二类型UE。第一类型UE包括EN-DC UE和EUTRAN UE中的一种，第二类型UE包括EN-DC UE和EUTRAN UE中的另一种。
发送模块42被配置为向目标UE发送添加模块41添加频段指示信息的寻呼消息。
其中，基站在寻呼消息中添加频段指示信息之后，向目标UE发送添加频段指示信息的寻呼消息。
上述实施例中，通过在寻呼消息中添加频段指示信息，使得目标UE在寻呼消息中有该频段指示信息时，基于该频段指示信息来建立RRC连接，在寻呼消息中没有该频 段指示信息时，基于该目标UE驻留的频段来建立RRC连接，达到在EUTRAN和EN-DC协同部署的场景下，可以为不同类型的UE指示建立RRC连接所用的频段，从而达到负载均衡的目的。
图5是根据一示例性实施例示出的一种连接建立装置的框图，该装置位于UE中，如图5所示，该装置包括：
接收模块51被配置为接收基站发送的寻呼消息。
检查模块52被配置为检查接收模块51接收的寻呼消息中是否包含频段指示信息，频段指示信息用于指示UE建立无线资源控制RRC连接所采用的频段信息。
第一建立模块53被配置为若检查模块52检查到寻呼消息中包含频段指示信息，则在频段指示信息指示的频段上与基站建立RRC连接。
UE在收到基站发送的寻呼消息后，先检查寻呼消息中是否包含频段指示信息，若包含频段指示信息，则在该频段指示信息指示的频段上与基站建立RRC连接。
例如，EN-DC UE当前驻留的频段为f1，在接收到基站的寻呼消息后，检查到该寻呼消息中包含频段指示信息，则该EN-DC UE在该频段指示信息指示的频段f2上与基站建立RRC连接并进行后续数据的传输。
上述实施例，通过检查寻呼消息中是否包含频段指示信息，并在该寻呼消息中包含频段指示信息时，在该频段指示信息指示的频段上与基站建立RRC连接，从而均衡支持EN-DC的EUTRAN频段的负载。
图6是根据一示例性实施例示出的另一种信息发送装置的框图，如图6所示，在上述图5所示实施例的基础上，该装置还可以包括：
第二建立模块54被配置为若检查模块52检查到寻呼消息中没有包含频段指示信息，则在UE当前驻留的频段上与基站建立RRC连接。
UE在收到基站发送的寻呼消息后，先检查寻呼消息中是否包含频段指示信息，若没有包含频段指示信息，则在UE当前驻留的频段上与基站建立RRC连接。
又例如，EUTRAN UE当前驻留的频段为f1，在接收到基站的寻呼消息后，检查到该寻呼消息没有频段指示信息，则该EUTRAN UE直接在f1上与该基站建立RRC连接并进行后续数据的传输。
上述实施例，在检查到寻呼消息中没有包含频段指示信息时，在UE当前驻留的 频段上与基站建立RRC连接，从而可以保证UE可以与基站建立RRC连接。
图7是根据一示例性实施例示出的一种适用于信息发送装置的框图。装置700可以被提供为一基站。参照图7，装置700包括处理组件722、无线发射/接收组件724、天线组件726、以及无线接口特有的信号处理部分，处理组件722可进一步包括一个或多个处理器。
处理组件722中的其中一个处理器可以被配置为：
若需要向目标用户设备UE发送数据，则在寻呼消息中添加频段指示信息，频段指示信息用于指示目标UE建立无线资源控制RRC连接所采用的频段信息；
向目标UE发送添加频段指示信息的寻呼消息。
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，上述指令可由装置700的处理组件722执行以完成上述信息发送方法。例如，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。
图8是根据一示例性实施例示出的一种适用于连接建立装置的框图。例如，装置800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，个人数字助理等用户设备。
参照图8，装置800可以包括以下一个或多个组件：处理组件802，存储器804，电源组件806，多媒体组件808，音频组件810，输入/输出(I/O)的接口88，传感器组件814，以及通信组件816。
处理组件802通常控制装置800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。处理元件802可以包括一个或多个处理器820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802可以包括一个或多个模块，便于处理组件802和其他组件之间的交互。例如，处理部件802可以包括多媒体模块，以方便多媒体组件808和处理组件802之间的交互。
处理组件802中的其中一个处理器820可以被配置为：
接收基站发送的寻呼消息；
检查寻呼消息中是否包含频段指示信息，该频段指示信息用于指示UE建立无线资源控制RRC连接所采用的频段信息；
若寻呼消息中包含频段指示信息，则在该频段指示信息指示的频段上与基站建立RRC连接。
存储器804被配置为存储各种类型的数据以支持在设备800的操作。这些数据的示例包括用于在装置800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804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806为装置800的各种组件提供电力。电源组件806可以包括电源管理***，一个或多个电源，及其他与为装置800生成、管理和分配电力相关联的组件。
多媒体组件808包括在装置800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。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808包括一个前置摄像头和/或后置摄像头。当设备800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***或具有焦距和光学变焦能力。
音频组件810被配置为输出和/或输入音频信号。例如，音频组件810包括一个麦克风(MIC)，当装置800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804或经由通信组件816发送。在一些实施例中，音频组件810还包括一个扬声器，用于输出音频信号。
I/O接口88为处理组件802和***接口模块之间提供接口，上述***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814包括一个或多个传感器，用于为装置800提供各个方面的状态评估。例如，传感器组件814可以检测到设备800的打开/关闭状态，组件的相对定位，例如组件为装置800的显示器和小键盘，传感器组件814还可以检测装置800或装置800 一个组件的位置改变，用户与装置800接触的存在或不存在，装置800方位或加速/减速和装置800的温度变化。传感器组件814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814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814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816被配置为便于装置800和其他设备之间有线或无线方式的通信。装置800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816经由广播信道接收来自外部广播管理***的广播信号或广播相关信息。在一个示例性实施例中，通信部件816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，装置800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804，上述指令可由装置800的处理器820执行以完成上述方法。例如，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。
对于装置实施例而言，由于其基本对应于方法实施例，所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。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、物品或者设备不仅包括那些要素，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 者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
本领域技术人员在考虑说明书及实践这里公开的公开后，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 (18)

  1. 一种信息发送方法，其特征在于，应用于基站，所述方法包括：
    若需要向目标用户设备UE发送数据，则在寻呼消息中添加频段指示信息，所述频段指示信息用于指示所述目标UE建立无线资源控制RRC连接所采用的频段信息；
    向所述目标UE发送添加所述频段指示信息的所述寻呼消息。
  2. 根据权利要求1所述的方法，其特征在于，所述目标UE包括第一类型UE或第二类型UE。
  3. 根据权利要求2所述的方法，其特征在于，所述第一类型UE包括***无线接入网与第五代无线新空口的双连接EN-DC UE和演进的通用移动通信***陆地无线接入网EUTRAN UE中的一种，所述第二类型UE包括所述EN-DC UE和所述EUTRAN UE中的另一种。
  4. 一种连接建立方法，其特征在于，应用于用户设备UE，所述方法包括：
    接收基站发送的寻呼消息；
    检查所述寻呼消息中是否包含频段指示信息，所述频段指示信息用于指示所述UE建立无线资源控制RRC连接所采用的频段信息；
    若所述寻呼消息中包含所述频段指示信息，则在所述频段指示信息指示的频段上与所述基站建立RRC连接。
  5. 根据权利要求4所述的方法，其特征在于，所述方法还包括：
    若所述寻呼消息中没有包含所述频段指示信息，则在所述UE当前驻留的频段上与所述基站建立RRC连接。
  6. 根据权利要求4或5所述的方法，其特征在于，所述UE包括第一类型UE或第二类型UE。
  7. 根据权利要求6所述的方法，其特征在于，所述第一类型UE包括***无线接入网与第五代无线新空口的双连接EN-DC UE和演进的通用移动通信***陆地无线接入网EUTRAN UE中的一种，所述第二类型UE包括所述EN-DC UE和所述EUTRAN UE中的另一种。
  8. 一种信息发送装置，其特征在于，应用于基站，所述装置包括：
    添加模块，被配置为若需要向目标用户设备UE发送数据，则在寻呼消息中添加频段指示信息，所述频段指示信息用于指示所述目标UE建立无线资源控制RRC连接所采用的频段信息；
    发送模块，被配置为向所述目标UE发送所述添加模块添加所述频段指示信息的所述寻呼消息。
  9. 根据权利要求8所述的装置，其特征在于，所述目标UE包括第一类型UE或第二类型UE。
  10. 根据权利要求9所述的装置，其特征在于，所述第一类型UE包括***无线接入网与第五代无线新空口的双连接EN-DC UE和演进的通用移动通信***陆地无线接入网EUTRAN UE中的一种，所述第二类型UE包括所述EN-DC UE和所述EUTRAN UE中的另一种。
  11. 一种连接建立装置，其特征在于，应用于用户设备UE，所述装置包括：
    接收模块，被配置为接收基站发送的寻呼消息；
    检查模块，被配置为检查所述接收模块接收的所述寻呼消息中是否包含频段指示信息，所述频段指示信息用于指示所述UE建立无线资源控制RRC连接所采用的频段信息；
    第一建立模块，被配置为若所述检查模块检查到所述寻呼消息中包含所述频段指示信息，则在所述频段指示信息指示的频段上与所述基站建立RRC连接。
  12. 根据权利要求11所述的装置，其特征在于，所述装置还包括：
    第二建立模块，被配置为若所述检查模块检查到所述寻呼消息中没有包含所述频段指示信息，则在所述UE当前驻留的频段上与所述基站建立RRC连接。
  13. 根据权利要求11或12所述的装置，其特征在于，所述UE包括第一类型UE或第二类型UE。
  14. 根据权利要求13所述的装置，其特征在于，所述第一类型UE包括***无线接入网与第五代无线新空口的双连接EN-DC UE和演进的通用移动通信***陆地无线接入网EUTRAN UE中的一种，所述第二类型UE包括所述EN-DC UE和所述EUTRAN UE中的另一种。
  15. 一种基站，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：
    若需要向目标用户设备UE发送数据，则在寻呼消息中添加频段指示信息，所述频段指示信息用于指示所述目标UE建立无线资源控制RRC连接所采用的频段信息；
    向所述目标UE发送添加所述频段指示信息的所述寻呼消息。
  16. 一种用户设备，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：
    接收基站发送的寻呼消息；
    检查所述寻呼消息中是否包含频段指示信息，所述频段指示信息用于指示所述UE建立无线资源控制RRC连接所采用的频段信息；
    若所述寻呼消息中包含所述频段指示信息，则在所述频段指示信息指示的频段上与所述基站建立RRC连接。
  17. 一种计算机可读存储介质，其上存储有计算机指令，其特征在于，该指令被处理器执行时实现权利要求1-3任一项所述的信息发送方法的步骤。
  18. 一种计算机可读存储介质，其上存储有计算机指令，其特征在于，该指令被处理器执行时实现权利要求4-7任一项所述的连接建立方法的步骤。
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