Information sending method and device, connection establishment method and device, and base station

Abstract

The present disclosure relates to an information sending method and apparatus, a connection establishment method and apparatus, a base station, a user equipment, and a computer-readable storage medium. The information sending method includes: if data needs to be sent to a target user equipment UE, adding frequency band indication information in a paging message, 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; and sending a paging message with the frequency band indication information added to the target UE. In an embodiment of the present disclosure, by adding frequency band indication information in a paging message, when the target UE has the frequency band indication information in the paging message, an RRC connection is established based on the frequency band indication information, so that in a scenario where EUTRAN and EN‑DC are deployed in coordination, the frequency band used to establish the RRC connection can be indicated to different types of UEs, thereby achieving the purpose of load balancing.

Description

Technical Field

[0001] The present disclosure relates to the field of communication technologies, and in particular to an information sending method and device, a connection establishment method and device, a base station, a user equipment, and a computer-readable storage medium. Background Art

[0002] In March 2016, the Third Generation Partnership Project (3GPP) approved the Study on New Radio Access Technology (SI) for the fifth generation (5G) mobile communications technology project. This study item (SI) covers a frequency range up to 100 GHz. In March 2017, 3GPP approved the New WID on New Radio Access Technology, with plans to complete this work item (WI) in June 2018. To accelerate the commercialization of 5G, 3GPP agreed to prioritize the standardization of the non-standalone (NSA) scenario. Standardization work for this scenario has already been completed. Therefore, the deployment of the NSA scenario is an important step in achieving 5G commercialization. The NSA mode is based on Long Term Evolution (LTE)-New Radio (NR) dual connectivity, which requires the user equipment (UE) to maintain two communication links simultaneously: one primary LTE link and one secondary NR link. This is the fourth-generation mobile communication technology (4G) radio access network and 5G NR dual connectivity (EN-DC) scenario. In actual deployment, operators' 4G and 5G networks need to be deployed and developed in a coordinated manner. Generally speaking, when deploying EN-DC, the Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network (EUTRAN) frequency band of the master node (MN) is usually used to ensure network coverage, while the NR frequency band of the secondary node (SN) is usually used to provide high capacity and high data rates. Considering the cost of network deployment, operators will not use all EUTRAN frequency bands to support EN-DC. Therefore, on the EUTRAN frequency band supporting EN-DC, both EUTRAN UEs and EN-DC UEs may choose to camp on it, which may cause an excessive load on the EUTRAN frequency band supporting EN-DC. Summary of the Invention

[0003] In view of this, the present application discloses an information sending method and apparatus, a connection establishment method and apparatus, a base station, a user equipment, and a computer-readable storage medium to balance the load of a EUTRAN frequency band supporting EN-DC.

[0004] According to a first aspect of an embodiment of the present disclosure, there is provided a method for sending information, which is applied to a base station. The method includes:

[0005] If data needs to be sent to the target user equipment UE, frequency band indication information is added to the paging message, 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;

[0006] Send the paging message with the frequency band indication information added to the target UE.

[0007] In one embodiment, the target UE includes a first type UE or a second type UE.

[0008] In one embodiment, the first type UE includes one of a dual-connectivity EN-DC UE of a fourth generation radio access network and a fifth generation radio new air interface and an evolved universal mobile telecommunications system terrestrial radio access network EUTRAN UE, and the second type UE includes the other of the EN-DC UE and the EUTRAN UE.

[0009] According to a second aspect of an embodiment of the present disclosure, a connection establishment method is provided, applied to a user equipment (UE), the method including:

[0010] receiving a paging message sent by a base station;

[0011] Checking whether the paging message includes frequency band indication information, where the frequency band indication information is used to indicate frequency band information used by the UE to establish a radio resource control RRC connection;

[0012] If the paging message includes the frequency band indication information, an RRC connection is established with the base station on the frequency band indicated by the frequency band indication information.

[0013] In one embodiment, the method further comprises:

[0014] If 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 is currently residing.

[0015] In one embodiment, the UE includes a first type UE or a second type UE.

[0016] In one embodiment, the first type UE includes one of a dual-connectivity EN-DC UE of a fourth generation radio access network and a fifth generation radio new air interface and an evolved universal mobile telecommunications system terrestrial radio access network EUTRAN UE, and the second type UE includes the other of the EN-DC UE and the EUTRAN UE.

[0017] According to a third aspect of an embodiment of the present disclosure, there is provided an information sending device, applied to a base station, the device including:

[0018] an adding module configured to add frequency band indication information to a paging message if data needs to be sent to a target user equipment UE, wherein 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;

[0019] 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.

[0020] In one embodiment, the target UE includes a first type UE or a second type UE.

[0021] In one embodiment, the first type UE includes one of a dual-connectivity EN-DC UE of a fourth generation radio access network and a fifth generation radio new air interface and an evolved universal mobile telecommunications system terrestrial radio access network EUTRAN UE, and the second type UE includes the other of the EN-DC UE and the EUTRAN UE.

[0022] According to a fourth aspect of an embodiment of the present disclosure, a connection establishment apparatus is provided, applied to a user equipment (UE), the apparatus including:

[0023] A receiving module, configured to receive a paging message sent by a base station;

[0024] 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;

[0025] The first establishing 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 checks that the paging message includes the frequency band indication information.

[0026] In one embodiment, the apparatus further comprises:

[0027] The second establishing module is configured to establish an RRC connection with the base station on the frequency band where the UE is currently residing if the checking module detects that the paging message does not include the frequency band indication information.

[0028] In one embodiment, the UE includes a first type UE or a second type UE.

[0029] In one embodiment, the first type UE includes one of a dual-connectivity EN-DC UE of a fourth generation radio access network and a fifth generation radio new air interface and an evolved universal mobile telecommunications system terrestrial radio access network EUTRAN UE, and the second type UE includes the other of the EN-DC UE and the EUTRAN UE.

[0030] According to a fifth aspect of an embodiment of the present disclosure, a base station is provided, including:

[0031] processor;

[0032] a memory for storing processor-executable instructions;

[0033] Wherein, the processor is configured to:

[0034] If data needs to be sent to the target user equipment UE, frequency band indication information is added to the paging message, 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;

[0035] Send the paging message with the frequency band indication information added to the target UE.

[0036] According to a sixth aspect of an embodiment of the present disclosure, a user equipment is provided, including:

[0037] processor;

[0038] a memory for storing processor-executable instructions;

[0039] Wherein, the processor is configured to:

[0040] receiving a paging message sent by a base station;

[0041] Checking whether the paging message includes frequency band indication information, where the frequency band indication information is used to indicate frequency band information used by the UE to establish a radio resource control RRC connection;

[0042] If the paging message includes the frequency band indication information, an RRC connection is established with the base station on the frequency band indicated by the frequency band indication information.

[0043] According to a seventh aspect of an embodiment of the present disclosure, a computer-readable storage medium is provided, on which computer instructions are stored, and when the instructions are executed by a processor, the steps of the above-mentioned information sending method are implemented.

[0044] According to an eighth aspect of an embodiment of the present disclosure, a computer-readable storage medium is provided, on which computer instructions are stored, and when the instructions are executed by a processor, the steps of the above-mentioned connection establishment method are implemented.

[0045] The technical solutions provided by the embodiments of the present disclosure may have the following beneficial effects:

[0046] 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, the RRC connection is established based on the frequency band indication information. When the target UE does not have the frequency band indication information in the paging message, the RRC connection is established based on the frequency band where the target UE resides. In the scenario where EUTRAN and EN-DC are deployed in coordination, the frequency band used to establish the RRC connection can be indicated to different types of UEs, thereby achieving the purpose of load balancing.

[0047] 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 balancing the load of the EUTRAN frequency band supporting EN-DC.

[0048] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0050] Figure 1 This is a flow chart of an information sending method shown in an exemplary embodiment of the present application;

[0051] Figure 2a This is a flow chart of a connection establishment method shown in an exemplary embodiment of the present application;

[0052] Figure 2b is a flowchart of another connection establishment method shown in an exemplary embodiment of the present application;

[0053] Figure 3 This is a signaling flow chart of a connection establishment method shown in an exemplary embodiment of the present application;

[0054] Figure 4 is a block diagram of an information sending device according to an exemplary embodiment;

[0055] Figure 5 is a block diagram showing a connection establishment device according to an exemplary embodiment;

[0056] Figure 6 is a block diagram showing another connection establishment device according to an exemplary embodiment;

[0057] Figure 7 is a block diagram of an information sending device according to an exemplary embodiment;

[0058] Figure 8 The figure is a block diagram showing a device suitable for establishing a connection according to an exemplary embodiment. DETAILED DESCRIPTION

[0059] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. In the following description, when referring to the drawings, like numbers in different figures represent like or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all possible embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present invention, as detailed in the appended claims.

[0060] Figure 1 This is a flow chart of an information sending method shown in an exemplary embodiment of the present application. This embodiment is described from the base station side. Figure 1 As shown, the information sending method includes:

[0061] In step S101, if data needs to be sent to a target UE, frequency band indication information is added to a paging message. 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.

[0062] In this embodiment, if the base station needs to send data to the target UE, the frequency band indication information is added to the paging message sent to the target UE.

[0063] The target UE may be a first type UE or a second type UE. The first type UE includes one of an EN-DC UE and an EUTRAN UE, and the second type UE includes the other of the EN-DC UE and the EUTRAN UE.

[0064] In step S102, a paging message with added frequency band indication information is sent to the target UE.

[0065] After adding the frequency band indication information to the paging message, the base station sends the paging message with the added frequency band indication information to the target UE.

[0066] In the above embodiment, by adding frequency band indication information in the paging message, 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; when the target UE does not have the frequency band indication information in the paging message, the RRC connection is established based on the frequency band where the target UE resides. In this way, in the scenario where EUTRAN and EN-DC are collaboratively deployed, the frequency band used to establish the RRC connection can be indicated to different types of UEs, thereby achieving the purpose of load balancing.

[0067] Figure 2a This is a flow chart of a connection establishment method shown in an exemplary embodiment of the present application. This embodiment is described from the UE side. Figure 2a As shown, the method includes:

[0068] In step S201, a paging message sent by a base station is received.

[0069] In step S202, it is checked whether the paging message contains frequency band indication information, where 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.

[0070] In step S203, an RRC connection is established with the base station on the frequency band indicated by the frequency band indication information.

[0071] Alternatively, as Figure 2b As shown, after the above step S202, the method may further include: if the paging message does not include the frequency band indication information, executing step S204.

[0072] In step S204, an RRC connection is established with the base station on the frequency band where the UE is currently residing.

[0073] 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 it does not contain frequency band indication information, it establishes an RRC connection with the base station on the frequency band where the UE is currently located.

[0074] For example, the EN-DC UE currently resides on frequency band f1. After receiving a paging message from the base station, it detects that the paging message contains frequency band indication information. The EN-DC UE then establishes an RRC connection with the base station on frequency band f2 indicated by the frequency band indication information and transmits subsequent data.

[0075] For another example, the EUTRAN UE currently resides on frequency band f1. After receiving a paging message from the base station, if it detects that the paging message does not contain frequency band indication information, the EUTRAN UE directly establishes an RRC connection with the base station on f1 and performs subsequent data transmission.

[0076] The above embodiment 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 balancing the load of the EUTRAN frequency band supporting EN-DC.

[0077] Figure 3 This is a signaling flow chart of a connection establishment method shown in an exemplary embodiment of the present application. This embodiment is described from the perspective of interaction between a base station and a UE. Figure 3 As shown, the method includes:

[0078] In step S301, if the base station needs to send data to the UE, frequency band indication information is added to the paging message, where the frequency band indication information is used to indicate the frequency band information used by the UE to establish the RRC connection.

[0079] The UE may be an EN-DC UE or an EUTRAN UE.

[0080] In step S302, the base station sends a paging message with added frequency band indication information to the UE.

[0081] In step S303, the UE receives a paging message sent by the base station.

[0082] In step S304, the UE checks whether the paging message includes frequency band indication information. If the paging message includes frequency band indication information, the UE establishes an RRC connection with the base station on the frequency band indicated by the frequency band indication information.

[0083] In the above embodiment, through the interaction between the base station and the UE, when the paging message includes frequency band indication information, the UE establishes an RRC connection with the base station on the frequency band indicated by the frequency band indication information, thereby balancing the load of the EUTRAN frequency band supporting EN-DC.

[0084] Figure 4 is a block diagram of an information sending device according to an exemplary embodiment, the device is located in a base station, such as Figure 4 As shown, the device includes:

[0085] The adding module 41 is configured to add frequency band indication information to the paging message if data needs to be sent 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.

[0086] In this embodiment, if the base station needs to send data to the target UE, the frequency band indication information is added to the paging message sent to the target UE.

[0087] The target UE may be a first type UE or a second type UE. The first type UE includes one of an EN-DC UE and an EUTRAN UE, and the second type UE includes the other of the EN-DC UE and the EUTRAN UE.

[0088] The sending module 42 is configured to send a paging message to the target UE in which the frequency band indication information is added by the adding module 41 .

[0089] After adding the frequency band indication information to the paging message, the base station sends the paging message with the added frequency band indication information to the target UE.

[0090] In the above embodiment, by adding frequency band indication information in the paging message, 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; when the target UE does not have the frequency band indication information in the paging message, the RRC connection is established based on the frequency band where the target UE resides. In this way, in the scenario where EUTRAN and EN-DC are collaboratively deployed, the frequency band used to establish the RRC connection can be indicated to different types of UEs, thereby achieving the purpose of load balancing.

[0091] Figure 5 is a block diagram of a connection establishment device according to an exemplary embodiment, the device is located in the UE, such as Figure 5 As shown, the device includes:

[0092] The receiving module 51 is configured to receive a paging message sent by a base station.

[0093] The checking module 52 is configured to check whether the paging message received by the receiving module 51 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.

[0094] The first establishing 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 checks that the paging message includes the frequency band indication information.

[0095] After receiving the paging message sent by the base station, the UE first checks whether the paging message contains frequency band indication information. If the frequency band indication information is contained, the UE establishes an RRC connection with the base station on the frequency band indicated by the frequency band indication information.

[0096] For example, the EN-DC UE currently resides on frequency band f1. After receiving a paging message from the base station, it detects that the paging message contains frequency band indication information. The EN-DC UE then establishes an RRC connection with the base station on frequency band f2 indicated by the frequency band indication information and transmits subsequent data.

[0097] The above embodiment 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 balancing the load of the EUTRAN frequency band supporting EN-DC.

[0098] Figure 6 is a block diagram of another information sending device according to an exemplary embodiment. Figure 6 As shown in the above Figure 5 Based on the embodiment shown, the device may further include:

[0099] The second establishing module 54 is configured to establish an RRC connection with the base station on the frequency band where the UE is currently residing if the checking module 52 detects that the paging message does not include the frequency band indication information.

[0100] After receiving the paging message sent by the base station, the UE first checks whether the paging message contains frequency band indication information. If the frequency band indication information is not included, an RRC connection is established with the base station on the frequency band where the UE is currently residing.

[0101] For another example, the EUTRAN UE currently resides on frequency band f1. After receiving a paging message from the base station, if it detects that the paging message does not contain frequency band indication information, the EUTRAN UE directly establishes an RRC connection with the base station on f1 and performs subsequent data transmission.

[0102] In the above embodiment, when it is detected that 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 is currently residing, thereby ensuring that the UE can establish an RRC connection with the base station.

[0103] Figure 7 FIG. 7 is a block diagram of an apparatus for transmitting information according to an exemplary embodiment. The apparatus 700 may be provided as a base station. Figure 7 The device 700 includes a processing component 722, a wireless transmission / reception component 724, an antenna component 726, and a signal processing part specific to the wireless interface. The processing component 722 may further include one or more processors.

[0104] One of the processors in the processing component 722 may be configured to:

[0105] If data needs to be sent to the target user equipment UE, frequency band indication information is added to the paging message, and the frequency band indication information is used to indicate the frequency band information used by the target UE to establish the radio resource control RRC connection;

[0106] Send a paging message with added frequency band indication information to the target UE.

[0107] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided. The instructions can be executed by the processing component 722 of the apparatus 700 to implement the above-mentioned information transmission method. For example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.

[0108] Figure 8 800 is a block diagram illustrating a device for establishing a connection according to an exemplary embodiment. For example, the device 800 may be a user device such as a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, or the like.

[0109] Reference Figure 8 , the device 800 may include one or more of the following components: a processing component 802 , a memory 804 , a power component 806 , a multimedia component 808 , an audio component 810 , an input / output (I / O) interface 88 , a sensor component 814 , and a communication component 816 .

[0110] The processing component 802 generally controls the overall operation of the device 800, such as operations associated with display, phone calls, data communications, camera operation, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to perform all or part of the steps of the above-described method. In addition, the processing component 802 may include one or more modules to facilitate interaction between the processing component 802 and other components. For example, the processing component 802 may include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.

[0111] One of the processors 820 in the processing component 802 may be configured to:

[0112] receiving a paging message sent by a base station;

[0113] Check whether the paging message contains frequency band indication information, which is used to indicate the frequency band information used by the UE to establish a radio resource control RRC connection;

[0114] If the paging message includes frequency band indication information, an RRC connection is established with the base station on the frequency band indicated by the frequency band indication information.

[0115] The memory 804 is configured to store various types of data to support operations on the device 800. Examples of such 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 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, magnetic disk, or optical disk.

[0116] The power supply component 806 provides power to the 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 to the device 800.

[0117] The multimedia component 808 includes a screen that provides an output interface between the device 800 and the user. In some embodiments, 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 touches, slides, and gestures on the touch panel. The touch sensor can not only sense the boundaries of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front camera and / or a rear camera. When the device 800 is in an operating 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 a focal length and optical zoom capability.

[0118] The audio component 810 is configured to output and / or input audio signals. For example, the audio component 810 includes a microphone (MIC), which is configured to receive external audio signals when the device 800 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal can be further stored in the memory 804 or transmitted via the communication component 816. In some embodiments, the audio component 810 also includes a speaker for outputting audio signals.

[0119] I / O interface 88 provides an interface between processing component 802 and peripheral interface modules, such as a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to, a home button, volume buttons, a start button, and a lock button.

[0120] The sensor assembly 814 includes one or more sensors for providing various aspects of the status assessment of the device 800. For example, the sensor assembly 814 can detect the open / closed state of the device 800, the relative positioning of components, such as the display and keypad of the device 800. The sensor assembly 814 can also detect changes in the position of the device 800 or a component of the device 800, the presence or absence of user contact with the device 800, the orientation or acceleration / deceleration of the device 800, and temperature changes of the device 800. The sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 814 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an accelerometer, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

[0121] 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. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication. For example, 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.

[0122] In an exemplary embodiment, the apparatus 800 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), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the above-described method.

[0123] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 804 including instructions, which can be executed by the processor 820 of the apparatus 800 to perform the above method. For example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.

[0124] For the device embodiments, since they basically correspond to the method embodiments, the relevant parts can be referred to the partial description of the method embodiments. The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. A person of ordinary skill in the art can understand and implement it without expending creative work.

[0125] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a..." does not exclude the presence of other identical elements in the process, method, article or device that includes the element.

[0126] Other embodiments of the present disclosure will readily occur to those skilled in the art after considering the specification and practicing the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered as exemplary only, with the true scope and spirit of the present disclosure being indicated by the following claims.

[0127] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A method for sending information, characterized in that: Applied to a base station, the method includes: If data needs to be sent to a target user equipment UE currently residing in the first frequency band, frequency band indication information is added to the paging message, where the frequency band indication information is used to indicate that the frequency band information used by the target UE to establish a radio resource control RRC connection is the second frequency band; Sending the paging message with the frequency band indication information added to the target UE; The first frequency band includes the Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network EUTRAN frequency band supporting dual connectivity EN-DC of the fourth generation radio access network and the fifth generation wireless new air interface, and the second frequency band is a frequency band different from the first frequency band; the target UE includes an EN-DC UE or an EUTRAN UE.

2. A connection establishment method, characterized in that: Applied to user equipment UE, the method includes: Receiving a paging message sent by a base station; Checking whether the paging message includes frequency band indication information, where the frequency band indication information is used to indicate that the frequency band information used by the UE to establish a radio resource control RRC connection is the second frequency band; If the paging message includes the frequency band indication information, establishing an RRC connection with the base station on the second frequency band indicated by the frequency band indication information; If the paging message does not include the frequency band indication information, establishing an RRC connection with the base station on the first frequency band where the UE is currently residing; The first frequency band includes a EUTRAN frequency band supporting EN-DC, the second frequency band is a frequency band different from the first frequency band; and the UE includes an EN-DC UE or a EUTRAN UE.

3. An information sending device, characterized in that: Applied to a base station, the device includes: an adding module configured to add frequency band indication information to a paging message if data needs to be sent to a target user equipment UE currently residing in the first frequency band, wherein the frequency band indication information is used to indicate that the frequency band information used by the target UE to establish a radio resource control RRC connection is the second frequency band; A sending module, configured to send the paging message in which the frequency band indication information is added by the adding module to the target UE; The first frequency band includes a EUTRAN frequency band supporting EN-DC, the second frequency band is a frequency band different from the first frequency band; and the target UE includes an EN-DC UE or a EUTRAN UE.

4. A connection establishment device, characterized in that: Applied to user equipment UE, the apparatus includes: A receiving module, configured to receive a paging message sent by a 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 that the frequency band information used by the UE to establish a radio resource control RRC connection is the second frequency band; A first establishing module is configured to establish an RRC connection with the base station on the second frequency band indicated by the frequency band indication information if the checking module checks that the paging message includes the frequency band indication information; a second establishing module, configured to establish an RRC connection with the base station on the first frequency band where the UE is currently residing if the checking module detects that the paging message does not include the frequency band indication information; The first frequency band includes a EUTRAN frequency band supporting EN-DC, the second frequency band is a frequency band different from the first frequency band; and the UE includes an EN-DC UE or a EUTRAN UE.

5. A base station, characterized in that: include: processor; a memory for storing processor-executable instructions; The processor is configured to call the executable instruction to enable the base station to execute the information sending method according to claim 1.

6. A user equipment, characterized in that include: processor; a memory for storing processor-executable instructions; The processor is configured to call the executable instruction to enable the user equipment to execute the connection establishment method according to claim 2.

7. A computer-readable storage medium having computer instructions stored thereon, characterized in that: When the instruction is executed by the processor, the steps of the information sending method according to claim 1 are implemented.

8. A computer-readable storage medium having computer instructions stored thereon, characterized in that: When the instruction is executed by the processor, the steps of the connection establishment method according to claim 2 are implemented.

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