CN110708151B

CN110708151B - Carrier aggregation method and device

Info

Publication number: CN110708151B
Application number: CN201910827500.5A
Authority: CN
Inventors: 李培; 韩潇; 冯毅
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2022-04-08
Anticipated expiration: 2039-09-03
Also published as: CN110708151A

Abstract

The application discloses a method and equipment for carrier aggregation, relates to the technical field of communication, and is used for quickly establishing an auxiliary cell under the condition of ensuring user information safety, reducing time delay of establishing the auxiliary cell under the condition of carrier aggregation and improving system performance. The method comprises the following steps: before the user equipment enters the safety activation mode, the user equipment sends RRC Setup Request signaling to the network side equipment, and the RRC Setup Request signaling is used for enabling the network side equipment to send the RRC Setup signaling to the user equipment. The user equipment receives the RRC Setup signaling sent by the network side equipment, generates a measurement result for measuring the signal strength of the candidate cell, adds the measurement result and the index number corresponding to the candidate cell to the RRC Setup Complete signaling, and sends the RRC Setup Complete signaling to the network side equipment. The application is applied to carrier aggregation.

Description

Carrier aggregation method and device

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method and a device for carrier aggregation.

Background

Carrier Aggregation (CA) is a technique introduced in LTE-Advanced system to increase transmission bandwidth in order to meet the requirement of single user peak rate and system capacity increase. The secondary cell needs to be added according to a measurement result generated by measuring the signal strength of a cell around User Equipment (UE), and the primary cell is combined to serve the same User.

When configuring an add secondary Cell (Scell) by using a carrier aggregation technology, a network side device generally needs to obtain a measurement result uploaded by a User Equipment (UE), and then determines whether to add a secondary Cell and which physical Cell is selected as a secondary Cell by using a Physical Cell Identity (PCI) and a Reference Signal Receiving Power (RSRP) or a Reference Signal Receiving Quality (RSRQ) of each physical Cell recorded in the measurement result.

Currently, the common methods for uploading measurement reports include the following two methods: first, in NR INACTIVE mode, security activation and configuration of context information have been performed in advance between the network side device and the user equipment. Therefore, the network side device can send a request for obtaining the measurement report to the user equipment in a manner of carrying the request measurement report in the rrcreesume signaling. And then the user equipment carries early measurement reporting in the replied RRC resource Complete signaling so as to feed back a measurement report to the network side equipment.

In IDLE Mode, the network side device needs to send Security Mode Command signaling to the user equipment for Security activation, and the measurement report reporting step can be performed after Security activation. Thus, the setup time of the secondary cell is affected, and the user experience is affected.

Disclosure of Invention

Embodiments of the present application provide a method and an apparatus for carrier aggregation, which are used to quickly add an auxiliary cell on the basis of ensuring user information security, reduce an addition delay of the auxiliary cell under a carrier aggregation condition, and improve system performance.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

in a first aspect, the present application provides a method for carrier aggregation, where the method is applied to a user equipment, and the method includes: and sending an RRC Setup Request signaling to the network side equipment, wherein the RRC Setup Request signaling is used for enabling the network side equipment to send the RRC Setup signaling to the user equipment. Receiving an RRC Setup signaling sent by a network side device, generating a measurement result for measuring the signal strength of the candidate cell, adding the measurement result and an index number corresponding to the candidate cell to the RRC Setup Complete signaling, and sending the RRC Setup Complete signaling to the network side device. Wherein, the index number corresponding to the candidate cell is obtained by analyzing from the RRC Setup signaling. And the candidate cells comprise base station cells around the current position of the user equipment. And the RRC Setup Complete signaling is used for enabling the network side equipment to determine the candidate cell according to the index number corresponding to the candidate cell. And the network side equipment selects a target cell meeting the requirement from the candidate cells according to the measurement result, and establishes the auxiliary cell of the user equipment.

In a second aspect, the present application provides a method for carrier aggregation, where the method is applied to a network side device. The method comprises the following steps: and receiving RRC Setup Request signaling sent by the user equipment, and sending the RRC Setup signaling to the user equipment in response to the RRC Setup Request signaling. And the RRC Setup signaling is used for enabling the user equipment to generate a measurement result for measuring the signal strength of the candidate cell after receiving the RRC Setup signaling, adding the measurement result and the index number corresponding to the candidate cell to the RRC Setup Complete signaling, and sending the RRCSetup Complete signaling to the network side equipment. Wherein, the index number corresponding to the candidate cell is obtained by analyzing from the RRC Setup signaling. And the candidate cells comprise base station cells around the position of the current user equipment. And receiving the RRC Setup Complete signaling, and determining the candidate cell according to the index number corresponding to the candidate cell after receiving the RRC Setup Complete signaling. And according to the measurement result, selecting a target cell meeting the requirement from the candidate cells, and establishing a secondary cell of the user equipment.

In a third aspect, the present application provides a user equipment. The user equipment includes: a first transmitting unit and a first receiving unit. The first sending unit is configured to send an RRC Setup Request signaling to the network side device, where the RRC Setup Request signaling is used to enable the network side device to send the RRC Setup signaling to the user equipment. The first receiving unit is configured to receive the RRC Setup signaling sent by the network-side device after the first sending unit sends the RRC Setup Request signaling to the network-side device, generate a measurement result for measuring the signal strength of the candidate cell, and add the measurement result and an index number corresponding to the candidate cell to the RRC Setup Complete signaling. Wherein, the index number corresponding to the candidate cell is obtained by analyzing from the RRC Setup signaling. And the candidate cells comprise base station cells around the current position of the user equipment. The first sending unit is further configured to send an RRC Setup Complete signaling to the network side device. The RRC Setup Complete signaling is used to enable the network side device to determine the candidate cell according to the index number corresponding to the candidate cell. And the network side equipment selects a target cell meeting the requirement from the candidate cells according to the measurement result, and establishes the auxiliary cell of the user equipment.

In a fourth aspect, the present application provides a network side device. The network side device includes: the device comprises a second receiving unit, a second sending unit and a processing unit. And the second receiving unit is used for receiving the RRC Setup Request signaling sent by the user equipment. And the second sending unit is used for responding to the RRC Setup Request signaling after receiving the RRC Setup Request signaling and sending the RRC Setup signaling to the user equipment. The RRC Setup signaling is used for the user equipment to generate a measurement result for measuring the signal strength of the candidate cell after receiving the RRC Setup signaling. And adding the measurement result and the index number corresponding to the candidate cell to the RRC Setup Complete signaling, and sending the RRC Setup Complete signaling to the network side equipment. Wherein, the index number corresponding to the candidate cell is obtained by analyzing from the RRC Setup signaling. And the candidate cells comprise base station cells around the position of the current user equipment. And the second receiving unit is used for receiving the RRC Setup Complete signaling after the second sending unit sends the RRC Setup signaling to the user equipment. And the processing unit is used for determining the candidate cell according to the index number corresponding to the candidate cell after the second receiving unit receives the RRC Setup Complete signaling. And according to the measurement result, selecting a target cell meeting the requirement from the candidate cells, and establishing a secondary cell of the user equipment.

In a fifth aspect, the present application provides a corresponding computer readable storage medium of a user equipment, storing one or more programs, the one or more programs comprising instructions, which when executed by a computer, cause the computer to perform the method of carrier aggregation as in the first aspect.

In a sixth aspect, the present application provides a computer-readable storage medium corresponding to a network-side device and storing one or more programs, where the one or more programs include instructions, which when executed by a computer, cause the computer to perform the method for carrier aggregation according to the second aspect.

In a seventh aspect, the present application provides a user equipment, including: a processor, a memory, and a communication interface for user equipment to communicate with other devices or networks. The memory is used for storing one or more programs, the one or more programs comprising computer executable instructions, which when executed by the user equipment, the processor executes the computer executable instructions stored by the memory to perform the method of carrier aggregation of the first aspect.

In an eighth aspect, the present application provides a network side device, including: the device comprises a processor, a memory and a communication interface, wherein the communication interface is used for communication between the network side device and other devices or networks. The memory is used for storing one or more programs, the one or more programs include computer-executable instructions, and when the network side device runs, the processor executes the computer-executable instructions stored in the memory to perform the method for carrier aggregation according to the second aspect.

In a ninth aspect, the present application provides a computer program product comprising instructions, the program product comprising the instructions. When the instructions are executed on the user equipment, the user equipment is caused to perform the method for carrier aggregation provided by the first aspect.

In a tenth aspect, the present application provides a computer program product comprising instructions, the program product comprising the instructions. When the instructions are executed on the network side device, the network side device is caused to execute the method for carrier aggregation provided by the second aspect.

The method and the device for carrier aggregation provided by the embodiment of the application can Complete the task of sending the measurement result of the candidate cell to the network side device through signaling such as RRC Setup Request signaling, RRC Setup Complete signaling and the like sent between the user equipment and the network side device when the user equipment enters the IDLE mode before entering the security activation mode, thereby achieving the effect of sending the measurement result of the candidate cell to the network side device before the user equipment enters the security activation state, reducing the time delay of adding the auxiliary cell under the conditions of carrier aggregation and dual connection, improving the performance of the system, and making up the defects in the prior art. In addition, in the embodiment of the invention, the index number of the candidate cell is carried in the RRC Setup signaling, and the index number is used for identifying the cell in the subsequent data transmission, so that even if the fake base station or the fake user steals the index number information, the measurement information of the user cannot be obtained because the corresponding relation between the index number and the candidate cell is unknown, and the information safety is ensured.

Drawings

Fig. 1 is a schematic flowchart of signaling interaction between a user equipment and a network side device according to an embodiment of the present application;

fig. 2 is a schematic flowchart of signaling interaction between a user equipment and a network side device according to another embodiment of the present application;

fig. 3 is a schematic flowchart of a new signaling interaction between a ue and a network side device according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a user equipment according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of another user equipment provided in an embodiment of the present application;

fig. 6 is a schematic structural diagram of a network-side device according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of another network-side device according to an embodiment of the present application.

Detailed Description

The following briefly introduces some concepts related to embodiments of the present application.

The 3GPP has currently agreed "in LTE and NR scenarios, it is not allowed to send a complete idle mode measurement report before security activation," in LTE and NR scenarios, it is not allowed to send RSRP/RSRQ of an idle measurement report before security activation, and it is also not allowed to send PCI and related frequencies of cells whose signal quality reaches a threshold in idle mode measurement. The user equipment is required to report the idle measurement result to the network side equipment after the user equipment is activated safely. And then initiates the establishment of CA.

Specifically, as shown in fig. 1, a schematic flow chart of signaling interaction between a user equipment and a network side device is shown. Wherein, include:

s101, the user equipment sends RRC Setup Request signaling to the network side equipment in an IDLE mode.

S102, the user equipment receives RRC Setup signaling sent by the network side equipment.

S103, the user equipment sends RRC Setup Complete signaling to the network side equipment to Complete the RRC establishment process.

After the RRC establishment is completed, the user equipment enters a CONNECTED mode. Then, the following steps are carried out:

s104, the user equipment receives the Security Mode Command signaling sent by the network side equipment.

S105, the UE receives UE Information Request signaling which is sent by the network side equipment and carries Request measurement report Information. In the interim, the request measurement report information is used to request reporting of the measurement result.

S106, the user equipment sends a UE Information Response signaling carrying the early measurement report Information to the network side equipment.

S107, the user equipment receives the RRC Reconfiguration signaling sent by the network side equipment.

S108, the user equipment sends a Security Mode Complete signaling to the network side equipment.

S109, the ue receives the RRC Reconfiguration Complete signaling sent by the network side device.

In LTE and NR scenarios, the network side device is allowed to send UE Information Request signaling immediately after Security Mode Command signaling, instead of waiting for receiving Security Mode Complete signaling.

It can be seen from fig. 1 that the signaling carrying the request measurement reporting information and the early measurement reporting information must be sent after the Security Mode Command signaling. The network side equipment can initiate RRC configuration signaling after receiving the advanced measurement report, and then starts to establish the secondary cells of carrier aggregation and dual connectivity, and the time for establishing the secondary cells is relatively late.

In the INACTIVE mode, since the security activation is already completed, the network side may send an early measurement request message carried in the RRC resource signaling to the user equipment, and the user equipment reports the early measurement request message carried in the RRC resource Complete signaling to the network side device. Fig. 2 is a schematic flowchart of signaling interaction between a user equipment and a network side device. Wherein, include:

s201, the user equipment sends RRC Setup Request signaling to the network side equipment in the INACTIVE mode.

S202, the user equipment receives an RRC resource signaling which is sent by the network side equipment and carries early measurement request information.

S203, the user equipment sends RRC resource Complete signaling carrying early measurement report information to the network side equipment.

The user equipment enters the CONNECTED mode. Then, the following steps are carried out:

s204, the user equipment receives the RRC Reconfiguration signaling sent by the network side equipment.

S205, the ue sends an RRC Reconfiguration Complete signaling to the network side device.

However, according to the existing method, in the IDLE mode, the advance measurement report needs to be reported only after the security activation, that is, the measurement report needs to be reported in the CONNECTED mode, and compared with INACTIVE, the time for establishing the CA procedure is delayed.

The terminal reports the ID information of the physical cell, and in an IDLE state, because the safety activation is not carried out yet, the message is not encrypted, the information in the message carried by the signaling in the condition can be captured by an illegal base station, and the illegal base station can estimate the position information of the user equipment according to the measurement information of the user equipment on a plurality of adjacent cells. If the base station configures the corresponding relation between the candidate cell and the index number before the user equipment reports the information, the user equipment uses the index number during reporting, and the base station only configures the index number to know the corresponding relation between the candidate cell and the index number, so that the actual measurement information of the user equipment can be obtained, and the problem of measurement reporting before security activation can be solved.

In the present application, on the premise of ensuring the security of user information, in an IDLE mode, the user equipment uploads part of important information to the network side equipment in an RRC resource Complete signaling, so that the network side equipment knows a cell meeting requirements in advance to prepare for starting a CA establishment process, thereby reducing establishment delay.

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

In the description of this application, "/" means "or" unless otherwise stated, for example, A/B may mean A or B. "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Further, "at least one" means one or more, "a plurality" means two or more. The terms "first", "second", and the like do not necessarily limit the number and execution order, and the terms "first", "second", and the like do not necessarily limit the difference.

The technical solution provided in the embodiment of the present application may be applied to various communication systems, for example, an NR communication system that adopts a fifth generation (5th generation, 5G) communication technology, a future evolution system, or a multiple communication convergence system, and the like. The technical scheme provided by the application can be applied to various application scenarios, for example, scenarios such as machine-to-machine (M2M), enhanced mobile internet (eMBB), ultra-reliable and ultra-low latency communication (urlllc), and mass internet of things communication (mtc).

In this embodiment of the present application, in a specific implementation, the network-side device may specifically be a device in charge of carrier aggregation in various devices, such as an access network device, a convergence layer device, or a core network device, and specifically which device implements the function of the network-side device in the carrier aggregation method provided in this embodiment of the present application may be determined according to a protocol standard of a used wireless communication network, or may be appropriately adjusted by a person skilled in the art in an actual application, which may not be limited to this application.

The access network device may be a base station or a base station controller for wireless communication, etc. In this embodiment, the base station may be a base station (BTS) in a global system for mobile communication (GSM), a Code Division Multiple Access (CDMA), a base station (node B) in a Wideband Code Division Multiple Access (WCDMA), an eNB, an internet of things (IoT) or an eNB in a narrowband base-internet-of-things (NB-s), a base station in a future 5G mobile communication network or a future evolved Public Land Mobile Network (PLMN), which is not limited in this embodiment.

User equipment is used to provide voice and/or data connectivity services to users. The user equipment may have different names, for example: an access terminal, terminal unit, terminal station, mobile station, remote terminal, mobile device, wireless communication device, vehicular user equipment, terminal agent, or terminal device, etc. Optionally, the user equipment may be various handheld devices, vehicle-mounted devices, wearable devices, and computers with communication functions, which is not limited in this embodiment of the present application. For example, the handheld device may be a smartphone. The in-vehicle device may be an in-vehicle navigation system. The wearable device may be a smart bracelet. The computer may be a Personal Digital Assistant (PDA) computer, a tablet computer, and a laptop computer.

As shown in fig. 3, a new schematic flow chart of signaling interaction between a user equipment and a network side device is provided for the embodiment of the present application, where the method includes:

s301, the user equipment sends RRC Setup Request signaling to the network side equipment, and the network side equipment receives the RRC Setup Request signaling.

The RRC Setup Request signaling is used for enabling the network side device to send RRCSetup signaling to the user equipment.

S302, the network side equipment responds to the RRC Setup Request signaling, sends the RRC Setup signaling to the user equipment, and the user equipment receives the RRC Setup signaling.

The RRC Setup signaling is used to enable the user equipment to generate a measurement result for measuring the signal strength of the candidate cell, and add the measurement result and an index number corresponding to the candidate cell to the RRC Setup Complete signaling. Wherein, the index number corresponding to the candidate cell is obtained by analyzing from the RRC Setup signaling. And the candidate cells comprise base station cells around the current position of the user equipment. The measurement results include at least one of: a physical cell identity of the candidate cell, a frequency with which the physical cell identity of the candidate cell is related, an RSRP or an RSRQ of the candidate cell.

In an implementation manner, after receiving the RRC Setup Request signaling, the network side device generates an index number corresponding to each cell in the preset cell set according to the time at that time, and adds the index number corresponding to each cell in the preset cell set to the RRC Setup signaling.

For example, after receiving the RRC Setup Request signaling at 8 point, 15 minutes, 23 seconds, the network side device starts to generate a group of random numbers according to the current time as index numbers corresponding to 5 candidate cells around the user equipment: the index number of the a candidate cell is 815231, the index number of the B candidate cell is 815232, the index number of the C candidate cell is 815233, the index number of the D candidate cell is 815234, and the index number of the E candidate cell is 815235. And then adding the 5 candidate cells and the index number information corresponding to the candidate cells into an RRC Setup signaling and sending the RRC Setup signaling to the user equipment. After receiving the RRC Setup signaling, the ue parses the 5 candidate cells and the index information corresponding to the candidate cells from the RRC Setup signaling. The user equipment then generates measurement results for measuring the signal strengths of the 5 candidate cells and adds the measurement results and the index numbers corresponding to the candidate cells to the RRC Setup Complete signaling.

It should be noted that, in some implementation manners, a person skilled in the art may also generate the index number according to other manners, for example, the index number of the candidate cell is generated according to the location information, and the application may not be limited thereto. When the index number is generated according to other manners, after the network side device receives the RRC Setup Request signaling, the content of S302 may not be executed, and the index number may be generated according to other manners and the content of S303 may be continuously executed.

S303, the user equipment sends the RRC Setup Complete signaling to the network side equipment, and the network side equipment receives the RRC Setup Complete signaling.

And the RRC Setup Complete signaling is used for enabling the network side equipment to determine the candidate cell according to the index number corresponding to the candidate cell. And the network side equipment selects a target cell meeting the requirement from the candidate cells according to the measurement result, and establishes the auxiliary cell of the user equipment.

S304, the network side equipment sends a Security Mode Command signaling to the user equipment, and the user equipment receives the Security Mode Command signaling.

S305, the network side device sends an RRC Reconfiguration signaling to the user equipment, and the user equipment receives the RRC Reconfiguration signaling. The RRC Reconfiguration signaling carries setup security activation information.

S306, the ue sends a Security Mode Complete signaling to the network side device, and the network side device receives the Security Mode Complete signaling. The Security Mode Complete signaling carries the Security activation Complete information.

S307, the ue sends an RRC Reconfiguration Complete signaling to the network side device, and the network side device receives the RRC Reconfiguration Complete signaling. The RRC Reconfiguration Complete signaling carries RRC Reconfiguration Complete information.

Before the user equipment sends an RRC Setup Request signaling to the network side equipment, the user equipment receives an RRC Release signaling sent by the network side equipment, wherein the RRC Release signaling carries early measurement configuration information. Wherein the early measurement configuration information is used for enabling the user equipment to start measuring the signal strength of the candidate cell.

According to the embodiment of the application, before the user equipment enters the safe activation mode, the task of sending the measurement result of the candidate cell to the network side equipment is completed through signaling such as RRC Setup Request signaling, RRC Setup signaling and RRC Setup Complete signaling sent between the user equipment and the network side equipment when the user equipment enters the IDLE mode, so that the effect of sending the measurement result of the candidate cell to the network side equipment before the user equipment enters the safe activation state is achieved, the time delay of adding the auxiliary cell under the conditions of carrier aggregation and double connection is reduced, the performance of the system is improved, and the defects of the prior art are overcome.

The embodiment of the present application further provides a device for carrier aggregation, which is used to implement the related functions of the user equipment in the method for carrier aggregation provided in the foregoing embodiment. Specifically, as shown in fig. 4, a schematic structural diagram of a user equipment provided in the embodiment of the present application is shown. The user equipment 40 includes a first sending unit 401 and a first receiving unit 402. Wherein:

a first sending unit 401, configured to send an RRC Setup Request signaling to the network side device, where the RRC Setup Request signaling is used to enable the network side device to send the RRC Setup signaling to the user equipment.

A first receiving unit 402, configured to receive an RRC Setup signaling sent by a network side device, where the RRC Setup signaling is used to enable a user equipment to generate a measurement result for measuring signal strength of a candidate cell. The user equipment adds the measurement result and the index number corresponding to the candidate cell to the RRC Setup Complete signaling. The measurement results include at least one of: a physical cell identity of a candidate cell, a frequency with which the physical cell identity of a candidate cell is related, an RSRP or an RSRQ of a candidate cell.

Wherein, the index number corresponding to the candidate cell is obtained by analyzing from the RRC Setup signaling. And the candidate cells comprise base station cells around the current position of the user equipment.

The first sending unit 401 is further configured to send an RRC Setup Complete signaling carrying the information of the ongoing information to the network side device, where the information of the ongoing information is a measurement result of the signal strength of the candidate cell generated by the user equipment and an index number corresponding to the measurement result and the candidate cell. And the RRC Setup Complete signaling is used for enabling the network side equipment to determine the candidate cell according to the index number corresponding to the candidate cell. And the network side equipment selects a target cell meeting the requirement from the candidate cells according to the measurement result, and establishes the auxiliary cell of the user equipment.

The first receiving unit 402 is further configured to receive Security Mode Command signaling sent by the network side device.

The first receiving unit 402 is further configured to receive an RRC Reconfiguration signaling sent by the network side device.

The first sending unit 401 is further configured to send a Security Mode Complete signaling to the network side device.

The first sending unit 401 is further configured to send an RRC Reconfiguration Complete signaling to the network side device.

The first sending unit 401 and the first receiving unit 402 are further configured to, before the first sending unit 401 sends the RRC Setup Request signaling to the network side device, receive an RRC Release signaling sent by the network side device by the first receiving unit 402, where the RRC Release signaling carries early measurement configuration information. Wherein the early measurement configuration information is used for enabling the user equipment to start measuring the signal strength of the candidate cell.

It is clear to those skilled in the art from the foregoing description of the embodiments that, for convenience and simplicity of description, the foregoing division of the functional units is merely used as an example, and in practical applications, the above function distribution may be performed by different functional units according to needs, that is, the internal structure of the device may be divided into different functional units to perform all or part of the above described functions. For the specific working processes of the above-described method, apparatus and unit, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.

In another embodiment, as shown in fig. 5, a schematic structural diagram of another user equipment provided in the embodiment of the present application is shown. Wherein, the user equipment includes: a processor 501, a memory 502, a communication interface 503, and a bus 504. The communication interface 503 is used for user equipment to communicate with other devices or networks and the memory 502 is used to store one or more programs. The one or more programs include computer-executable instructions. The processor 501 executes the computer executable instructions stored by the memory 502 to enable the user equipment to perform the method of carrier aggregation in the above embodiments.

The processor 501 may implement or execute various exemplary logical blocks, units and circuits described in connection with the present disclosure. The processor 501 may be a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, transistor logic, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, units, and circuits described in connection with the disclosure. The processor 501 may also be a combination of computing functions, e.g., comprising one or more microprocessors, a combination of DSPs and microprocessors, or the like.

The memory 502 may include volatile memory, such as random access memory. The memory 502 may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk. The memory 502 comprises a combination of the above-described kinds of memories.

The bus 504 may be an Extended Industry Standard Architecture (EISA) bus or the like. The bus 504 may be divided into an address bus, a data bus, a control bus, and the like. Fig. 5 is shown with only one thick line for ease of illustration, but does not show only one bus or one type of bus.

In another embodiment, the present application further provides a computer-readable storage medium, in which instructions are stored, and when the instructions are executed by a computer, the computer performs the steps performed by the user equipment in the method flow shown in the above method embodiment.

The computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, and a hard disk. Random Access Memory (RAM), Read-Only Memory (ROM), Erasable Programmable Read-Only Memory (EPROM), registers, a hard disk, an optical fiber, a portable Compact disk Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any other form of computer-readable storage medium, in any suitable combination, or as appropriate in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). In embodiments of the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.

In another embodiment, the present application also provides a computer program product, which when run on a user equipment, causes the user equipment to perform the steps performed by the user equipment in the method of carrier aggregation as shown in fig. 3.

The embodiment of the present application further provides a device for carrier aggregation, which is used to implement the relevant functions of the network side device in the method for carrier aggregation provided in the foregoing embodiment. Specifically, as shown in fig. 6, a schematic structural diagram of a network-side device provided in the embodiment of the present application is shown. The network side device 60 includes a second sending unit 601, a second receiving unit 602, and a processing unit 603. Wherein:

a second receiving unit 602, configured to receive an RRC Setup Request signaling sent by the user equipment, where the RRC Setup Request signaling is used to send the RRC Setup signaling to the user equipment.

A second sending unit 601, configured to send an RRC Setup signaling to the user equipment, where the RRC Setup signaling is used to enable the user equipment to generate a measurement result for measuring the signal strength of the candidate cell. The measurement results include at least one of: a physical cell identity of a candidate cell, a frequency with which the physical cell identity of a candidate cell is related, an RSRP or an RSRQ of a candidate cell.

The second receiving unit 602 is further configured to receive an RRC Setup Complete signaling that carries information of the ongoing information and is sent by the user equipment, where the information of the ongoing information is a measurement result of signal strength of the candidate cell generated by the user equipment and an index number corresponding to the measurement result and the candidate cell.

The processing unit 603 is configured to determine the candidate cell according to the index number corresponding to the candidate cell after the second receiving unit 602 receives the RRC Setup Complete signaling. And according to the measurement result, selecting a target cell meeting the requirement from the candidate cells, and establishing a secondary cell of the user equipment.

The second sending unit 601 is further configured to send Security Mode Command signaling to the ue.

The second sending unit 601 is further configured to send an RRC Reconfiguration signaling to the user equipment.

The second receiving unit 602 is further configured to receive a Security Mode Complete signaling sent by the ue.

The second receiving unit 602 is further configured to receive an RRC Reconfiguration Complete signaling sent by the user equipment.

The processing unit 603 is further configured to generate an index number corresponding to each cell in the preset cell set according to the current time after the second receiving unit 602 receives the RRC Setup Request signaling, and add the index number corresponding to each cell in the preset cell set to the RRC Setup signaling. The preset cell set comprises candidate cells.

In another embodiment, as shown in fig. 7, a schematic structural diagram of another network-side device provided in the embodiment of the present application is shown. Wherein, network side equipment includes: a processor 701, a memory 702, and a communications interface 703. The communication interface 703 is used for the network side device to communicate with other devices or networks, and the memory is used for storing one or more programs. The one or more programs include computer executable instructions, and when the network side device runs, the processor executes the computer executable instructions stored in the memory, so as to make the network side device execute the method of carrier aggregation in the above embodiments.

The processor 701 may implement or execute various illustrative logical blocks, units and circuits described in connection with the disclosure. The processor 701 may be a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, transistor logic, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, units, and circuits described in connection with the disclosure. The processor 701 may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs, and microprocessors.

The memory 702 may include volatile memory, such as random access memory. The memory 702 may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk. The memory 702 comprises a combination of the above-described types of memory.

The bus 704 may be an Extended Industry Standard Architecture (EISA) bus or the like. The bus 704 may be divided into an address bus, a data bus, a control bus, and the like. Fig. 7 is shown with only one thick line for ease of illustration, but does not show only one bus or one type of bus.

In another embodiment, the present application further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed by a computer, the computer executes each step executed by the network-side device in the method flow shown in the foregoing method embodiment.

In another embodiment, the present application further provides a computer program product, which when run on a network side device, causes the network side device to perform the steps performed by the network side device in the method for carrier aggregation as shown in fig. 3.

Since the method and apparatus for carrier aggregation, the computer-readable storage medium, and the computer program product in the embodiments of the present invention may be applied to the above method, the technical effect obtained by the method may also refer to the above method embodiment, and no further description is given to the embodiments of the present invention.

The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application.

In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented using a software program, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. The procedures or functions described in accordance with the embodiments of the present application are all or partially generated upon loading and execution of computer program instructions on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or can comprise one or more data storage devices, such as a server, a data center, etc., that can be integrated with the medium. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method for carrier aggregation, applied to a user equipment, is characterized in that the method comprises:

sending an RRC Setup Request signaling to a network side device, wherein the RRC Setup Request signaling is used for enabling the network side device to send the RRC Setup signaling to the user equipment;

receiving the RRC Setup signaling sent by the network side equipment, generating a measurement result for measuring the signal strength of the candidate cell, adding the measurement result and the index number corresponding to the candidate cell to the RRC Setup Complete signaling, and sending the RRC Setup Complete signaling to the network side equipment;

wherein, the index number corresponding to the candidate cell is obtained by analyzing from the RRC Setup signaling; the candidate cell comprises base station cells around the current position of the user equipment;

the RRC Setup Complete signaling is configured to enable the network side device to determine the candidate cell according to the index number corresponding to the candidate cell; and enabling the network side equipment to select a target cell meeting the requirement from the candidate cells according to the measurement result, and establishing the auxiliary cell of the user equipment.

2. The method for carrier aggregation according to claim 1, further comprising:

before the user equipment sends the RRC Setup Request signaling to the network side equipment, the user equipment receives RRC Release signaling sent by the network side equipment, wherein the RRC Release signaling carries early measurement configuration information;

wherein the early measurement configuration information is used for the user equipment to start measuring the signal strength of the candidate cell.

3. A method for carrier aggregation is applied to a network side device, and is characterized in that the method comprises the following steps:

receiving RRC Setup Request signaling sent by user equipment;

responding to the RRC Setup Request signaling, and sending the RRC Setup signaling to the user equipment; the RRC Setup signaling is configured to enable the user equipment to generate a measurement result for measuring the signal strength of a candidate cell after receiving the RRC Setup signaling, add the measurement result and an index number corresponding to the candidate cell to the RRC Setup Complete signaling, and send the RRC Setup Complete signaling to the network side device;

wherein, the index number corresponding to the candidate cell is obtained by analyzing from the RRC Setup signaling; the candidate cells comprise base station cells around the position of the current user equipment;

receiving the RRC Setup Complete signaling;

after receiving an RRC Setup Complete signaling, determining the candidate cell according to the index number corresponding to the candidate cell; and according to the measurement result, selecting a target cell meeting the requirement from the candidate cells, and establishing the secondary cell of the user equipment.

4. The method for carrier aggregation according to claim 3, further comprising:

after receiving the RRC Setup Request signaling, the network side equipment generates index numbers corresponding to all cells in a preset cell set according to the current time, and adds the index numbers corresponding to all the cells in the preset cell set to the RRC Setup signaling; wherein the candidate cells are included in the preset cell set.

5. The method for carrier aggregation according to claim 3, further comprising:

the measurement results include at least one of: a physical cell identity of the candidate cell, a frequency with which the physical cell identity of the candidate cell is related, an RSRP or an RSRQ of the candidate cell.

6. A user equipment, the device comprising: a first transmitting unit and a first receiving unit;

the first sending unit is configured to send an RRC Setup Request signaling to a network side device, where the RRC Setup Request signaling is used to enable the network side device to send the RRC Setup signaling to the user equipment;

the first receiving unit is configured to receive the RRC Setup signaling sent by the network-side device after the first sending unit sends the RRC Setup Request signaling to the network-side device, generate a measurement result for measuring the signal strength of the candidate cell, and add the measurement result and the index number corresponding to the candidate cell to the RRC Setup Complete signaling;

the first sending unit is further configured to send the RRC Setup Complete signaling to the network side device; the RRC Setup Complete signaling is configured to enable the network side device to determine the candidate cell according to the index number corresponding to the candidate cell; and enabling the network side equipment to select a target cell meeting the requirement from the candidate cells according to the measurement result, and establishing the auxiliary cell of the user equipment.

7. The user equipment of claim 6,

the first receiving unit is further configured to receive an RRC Release signaling sent by the network side device before the first sending unit sends the RRC Setup Request signaling to the network side device, where the RRC Release signaling carries early measurement configuration information;

8. A network side device, wherein the network side device comprises: the device comprises a second receiving unit, a second sending unit and a processing unit;

the second receiving unit is configured to receive an RRC Setup Request signaling sent by the ue;

the second sending unit is configured to send the RRC Setup signaling to the user equipment in response to the RRC Setup Request signaling after receiving the RRC Setup Request signaling; the RRC Setup signaling is configured to enable the user equipment to generate a measurement result for measuring signal strength of a candidate cell after receiving the RRC Setup signaling, add the measurement result and an index number corresponding to the candidate cell to the RRC Setup Complete signaling, and send the RRC Setup Complete signaling to the network side device; wherein, the index number corresponding to the candidate cell is obtained by analyzing from the RRC Setup signaling; the candidate cells comprise base station cells around the position of the current user equipment;

the second receiving unit is configured to receive the RRC Setup Complete signaling after the second sending unit sends the RRC Setup signaling to the user equipment;

the processing unit is configured to determine the candidate cell according to the index number corresponding to the candidate cell after the second receiving unit receives the RRC Setup Complete signaling; and according to the measurement result, selecting a target cell meeting the requirement from the candidate cells, and establishing the secondary cell of the user equipment.

9. The network-side device of claim 8,

the processing unit is further configured to generate an index number corresponding to each cell in a preset cell set according to the current time after the second receiving unit receives the RRC Setup Request signaling, and add the index number corresponding to each cell in the preset cell set to the RRC Setup signaling; wherein the candidate cells are included in the preset cell set.

10. The network-side device of claim 8, wherein the network-side device further comprises:

11. A user device, comprising: a processor, a memory, and a communication interface; wherein, the communication interface is used for the user equipment to communicate with other equipment or a network; the memory is used for storing one or more programs, the one or more programs comprising computer executable instructions, which when executed by the user equipment, the processor executes the computer executable instructions stored by the memory to cause the user equipment to perform the method of carrier aggregation according to any one of claims 1-2.

12. A network-side device, comprising: a processor, a memory, and a communication interface; the communication interface is used for the communication between the network side equipment and other equipment or networks; the memory is configured to store one or more programs, the one or more programs including computer executable instructions, which when executed by the network-side device, the processor executes the computer executable instructions stored in the memory to cause the network-side device to perform the carrier aggregation method according to any one of claims 3 to 5.

13. A corresponding computer-readable storage medium of a user equipment storing one or more programs, the one or more programs comprising instructions, which when executed by a computer, cause the computer to perform the method of carrier aggregation of any of claims 1-2.

14. A computer-readable storage medium corresponding to a network-side device and storing one or more programs, wherein the one or more programs include instructions, which when executed by a computer, cause the computer to perform the method for carrier aggregation according to any one of claims 3-5.