CN117580149A

CN117580149A - Auxiliary cell adding method, device, terminal, network equipment and medium

Info

Publication number: CN117580149A
Application number: CN202311509031.5A
Authority: CN
Inventors: 毛源泽
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-02-20

Abstract

The application discloses a method, a device, a terminal, network equipment and a medium for adding auxiliary cells, which belong to the technical field of communication, and the method comprises the following steps: the method is applied to the terminal, the terminal comprises N SIM cards, and N is an integer greater than 1; the method comprises the following steps: transmitting first frequency band information to network equipment, wherein the first frequency band information comprises SIM card capability information, terminal capability information and registered frequency band information, the registered frequency band information indicates a registered frequency band of each SIM card, the SIM card capability information indicates a frequency band supported by each SIM card, and the terminal capability information indicates a frequency band supported by a terminal; receiving first priority information sent by network equipment, wherein the first priority information at least indicates the selection priority of at least two first cells matched with first frequency band information; the secondary cell is added and activated according to the first priority information, the secondary cell being one of the at least two first cells.

Description

Auxiliary cell adding method, device, terminal, network equipment and medium

Technical Field

The application belongs to the technical field of communication, and particularly relates to a method, a device, a terminal, network equipment and a medium for adding auxiliary cells.

Background

Currently, with the development of communication technology, most terminals support dual cards and dual standby to meet various business requirements of users. And the terminal can also increase the utilization rate of network resources and the transmission rate of data by adding carrier aggregation (Carrier Aggregation, CA) service.

However, if the frequency bands adopted by the dual cards of the terminal are similar or identical, a certain interference exists between the dual cards, so that the call or the internet surfing of the terminal is abnormal in the CA using process. This results in poor terminal use CA.

Disclosure of Invention

The embodiment of the application aims to provide a method, a device, a terminal, network equipment and a medium for adding auxiliary cells, which can improve the effect of using CA by the terminal.

In a first aspect, an embodiment of the present application provides a method for adding a secondary cell, where the method is applied to a terminal, the terminal includes N SIM cards, where N is an integer greater than 1, and the method includes: transmitting first frequency band information to network equipment, wherein the first frequency band information comprises SIM card capability information, terminal capability information and registered frequency band information, the registered frequency band information indicates a registered frequency band of each SIM card, the SIM card capability information indicates a frequency band supported by each SIM card, and the terminal capability information indicates a frequency band supported by a terminal; receiving first priority information sent by network equipment, wherein the first priority information at least indicates the selection priority of at least two first cells matched with first frequency band information; the secondary cell is added and activated according to the first priority information, the secondary cell being one of the at least two first cells.

In a second aspect, an embodiment of the present application provides a secondary cell adding method, applied to a network device, where the method includes: receiving first frequency band information sent by a terminal, wherein the first frequency band information comprises SIM card capability information, terminal capability information and registration frequency band information, the registration frequency band information indicates the registration frequency band of each of N SIM cards of the terminal, the SIM card capability information indicates the frequency band supported by each SIM card, the terminal capability information indicates the frequency band supported by the terminal, and N is an integer greater than 1; and based on the first frequency band information, sending first priority information to the terminal, wherein the first selection priority at least indicates the selection priorities of at least two first cells, and the first cells are matched with the first frequency band information.

In a third aspect, an embodiment of the present application provides a secondary cell adding device, which is applied to a terminal, where the terminal includes N SIM cards, and N is an integer greater than 1, and the device includes: the device comprises a sending module, a receiving module and a processing module. The network equipment comprises a transmitting module, a receiving module and a receiving module, wherein the transmitting module is used for transmitting first frequency band information to the network equipment, the first frequency band information comprises SIM card capability information, terminal capability information and registration frequency band information, the registration frequency band information indicates the registration frequency band of each SIM card, the SIM card capability information indicates the frequency band supported by each SIM card, and the terminal capability information indicates the frequency band supported by the terminal; the receiving module is used for receiving first priority information sent by the network equipment, and the selection priority information at least indicates the selection priorities of at least two first cells matched with the first frequency band information sent by the sending module; and the processing module is used for adding and activating the auxiliary cell according to the first priority information received by the receiving module, wherein the auxiliary cell is one of at least two first cells.

In a fourth aspect, an embodiment of the present application provides a secondary cell adding apparatus, applied to a network device, where the apparatus includes: a receiving module and a transmitting module. The receiving module is used for receiving first frequency band information sent by the terminal, the first frequency band information comprises SIM card capability information, terminal capability information and registration frequency band information, the registration frequency band information indicates the registration frequency band of each of N SIM cards of the terminal, the SIM card capability information indicates the frequency band supported by each SIM card, the terminal capability information indicates the frequency band supported by the terminal, and N is an integer greater than 1; and the sending module is used for sending the first priority information to the terminal based on the first frequency band information received by the receiving module, wherein the first selection priority at least indicates the selection priority of at least two first cells, and the first cells are matched with the first frequency band information.

In a fifth aspect, embodiments of the present application provide a terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the first aspect.

In a sixth aspect, embodiments of the present application provide a network device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the second aspect.

In a seventh aspect, embodiments of the present application provide a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the steps of the method according to the first or second aspect.

In an eighth aspect, embodiments of the present application provide a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and where the processor is configured to execute a program or instructions to implement a method according to the first aspect or the second aspect.

In a ninth aspect, embodiments of the present application provide a computer program product stored in a storage medium, the program product being executable by at least one processor to implement the method according to the first or second aspect.

In a tenth aspect, embodiments of the present application provide a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and where the processor is configured to execute a program or instructions to implement a method according to the first aspect.

In an eleventh aspect, an embodiment of the present application provides a communication system, including a terminal and a network device, where the terminal is configured to perform the steps of the secondary cell addition method according to the first aspect, and the network device is configured to perform the steps of the secondary cell addition method according to the second aspect.

In the embodiment of the application, first frequency band information is sent to network equipment, the first frequency band information comprises SIM card capability information, terminal capability information and registration frequency band information, the registration frequency band information indicates a registration frequency band of each SIM card, the SIM card capability information indicates a frequency band supported by each SIM card, and the terminal capability information indicates a frequency band supported by a terminal; receiving first priority information sent by network equipment, wherein the first priority information at least indicates the selection priority of at least two first cells matched with first frequency band information; the secondary cell is added and activated according to the first priority information, the secondary cell being one of the at least two first cells. According to the scheme, on one hand, the terminal can increase the transmission rate of the network and the utilization rate of network resources by adding and activating the CA service used by the auxiliary cell; on the other hand, the terminal can add and activate the auxiliary cells according to the selection priority of the cells, so that the network adaptability problem caused by interference among a plurality of SIM card frequency bands of the terminal is reduced. Thus, the effect of using CA by the terminal is improved.

Drawings

Fig. 1 is a block diagram of a wireless communication system provided in an embodiment of the present application;

Fig. 2 is one of flowcharts of a secondary cell adding method provided in an embodiment of the present application;

fig. 3 is a second flowchart of a secondary cell adding method according to an embodiment of the present application;

fig. 4 is one of flowcharts of a secondary cell adding method provided in an embodiment of the present application;

fig. 5 is a second flowchart of a secondary cell adding method according to an embodiment of the present application;

fig. 6 is a third flowchart of a secondary cell adding method according to an embodiment of the present application;

fig. 7 is a fourth flowchart of a secondary cell adding method provided in an embodiment of the present application;

fig. 8 is a flowchart of a secondary cell adding method provided in an embodiment of the present application;

fig. 9 is one of schematic structural diagrams of a secondary cell adding device provided in an embodiment of the present application;

fig. 10 is a second schematic structural diagram of a secondary cell adding device according to an embodiment of the present application;

fig. 11 is a schematic diagram of a hardware structure of a terminal according to an embodiment of the present application;

fig. 12 is a second schematic hardware structure of a terminal according to an embodiment of the present application;

fig. 13 is a schematic hardware structure of a network device according to an embodiment of the present application.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the objects identified by "first," "second," etc. are generally of a type and do not limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

The terms "at least one," "at least one," and the like in the description and in the claims of the present application mean that they encompass any one, any two, or a combination of two or more of the objects. For example, at least one of a, b, c (item) may represent: "a", "b", "c", "a and b", "a and c", "b and c" and "a, b and c", wherein a, b, c may be single or plural. Similarly, the term "at least two" means two or more, and the meaning of the expression is similar to the term "at least one".

It is noted that the techniques described in the embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE-Advanced (LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (tdma)Division multiple access (Time Division Multiple Access, TDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA), single-carrier frequency division multiple access (Single-carrier Frequency Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in embodiments of the present application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radio technologies. The following description describes a New air interface (NR) system for purposes of example and uses NR terminology in much of the description that follows, but these techniques are also applicable to applications other than NR system applications, such as generation 6 (6) ^th Generation, 6G) communication system.

Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may be a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop Computer), a notebook, a personal digital assistant (Personal Digital Assistant, PDA), a palm top, a netbook, an Ultra-mobile personal Computer (Ultra-mobile Personal Computer, UMPC), a mobile internet Device (Mobile Internet Device, MID), an augmented Reality (Augmented Reality, AR), a Virtual Reality (VR) Device, a robot, a Wearable Device (Weiable Device), an aircraft (flight vehicle), a vehicle-mounted Device (Vehicle User Equipment, vue), a ship-mounted Device, a pedestrian terminal (Pedestrian User Equipment, PUE), an intelligent home (home Device with a wireless communication function, such as a refrigerator, a television, a washing machine, furniture, etc.), a game machine, a personal Computer (Personal Computer, PC), a teller machine, or a self-service machine, etc. The wearable device includes: intelligent wrist-watch, intelligent bracelet, intelligent earphone, intelligent glasses, intelligent ornament (intelligent bracelet, intelligent ring, intelligent necklace, intelligent anklet, intelligent foot chain etc.), intelligent wrist strap, intelligent clothing etc.. The in-vehicle apparatus may also be referred to as an in-vehicle terminal, an in-vehicle controller, an in-vehicle module, an in-vehicle component, an in-vehicle chip, an in-vehicle unit, or the like. Note that, the specific type of the terminal 11 is not limited in the embodiment of the present application. The network device 12 may comprise an access network device or a core network device, wherein the access network device may also be referred to as a radio access network (Radio Access Network, RAN) device, a radio access network function or a radio access network element. The Access network device may include a base station, a wireless local area network (Wireless Local Area Network, WLAN) Access Point (AS), or a wireless fidelity (Wireless Fidelity, wiFi) node, etc. The base station may be referred to as a Node B (NB), an Evolved Node B (eNB), a next generation Node B (the next generation Node B, gNB), a New air Node B (New Radio Node B, NR Node B), an access point, a relay station (Relay Base Station, RBS), a serving base station (Serving Base Station, SBS), a base transceiver station (Base Transceiver Station, BTS), a Radio base station, a Radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home Node B (home Node B, HNB), a home Evolved Node B (home Evolved Node B), a transmission/reception point (Transmission Reception Point, TRP), or some other suitable term in the field, so long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary, and it should be noted that, in the embodiment of the present application, the base station in the NR system is only described as an example, and the specific type of the base station is not limited.

Some terms and nouns referred to in the embodiments of the present application are explained below.

1. Carrier aggregation

The carrier aggregation CA obtains a larger transmission bandwidth through a plurality of continuous or discontinuous component carrier aggregation. So that when the whole network resources are not fully occupied, the utilization rate of the discrete frequency spectrum can be improved, and higher peak rate and throughput can be obtained, thereby greatly improving the utilization rate of the whole network resources and improving the peak rate experience of users. In other words, the fragmented long term evolution (Long Term Evolution, LTE) frequency bands are combined into a virtual wider frequency band to increase the data transmission rate.

2. Secondary cell (Secondary cell, scell)

Scell is a cell added by a terminal when performing radio resource control (Radio Resource Control, RRC) reconfiguration for providing additional radio resources to the terminal.

The following describes in detail, by means of specific embodiments and application scenarios thereof, a method, an apparatus, a terminal, a network device, and a medium for adding a secondary cell provided in the embodiments of the present application with reference to the accompanying drawings.

The auxiliary cell adding method, the device, the terminal, the network equipment and the medium provided by the embodiment of the application can be applied to a scene of adding CA service by the terminal.

Currently, to meet the service requirements of users, most terminals basically support dual cards and dual standby.

However, in the process of using the terminal supporting dual cards and dual standby, particularly, the dual cards are terminals of the same operator, if the registered frequency bands of the dual cards are similar or the same, a certain frequency band interference exists between the dual cards, so that the problem of abnormal call or abnormal internet surfing is caused. Thus, although the terminal can increase the utilization rate of network resources and the transmission rate of data by adding the CA service, the effect of the terminal in using the CA is poor due to the existence of interference between the double cards.

In the auxiliary cell adding method, device, terminal, network equipment and medium provided by the embodiment of the application, on one hand, the terminal can increase the transmission rate of a network and the utilization rate of network resources by adding and activating the auxiliary cell to use the CA service; on the other hand, the terminal can add and activate the auxiliary cells according to the selection priority of the cells, so that the network adaptability problem caused by interference among a plurality of SIM card frequency bands of the terminal is reduced. Thus, the effect of using CA by the terminal is improved.

The execution body of the secondary cell adding method provided in the embodiment of the present application may be a secondary cell adding device. The secondary cell addition device may be a terminal, or may be a component in the terminal, such as an integrated circuit or chip, for example. The method for adding the secondary cell provided in the embodiment of the present application will be exemplarily described below by taking a terminal as an example.

The embodiment of the application provides a method for adding a secondary cell, and fig. 2 shows a flowchart of the method for adding a secondary cell, which is provided in the embodiment of the application, and the method can be applied to a terminal. As shown in fig. 2, the secondary cell adding method provided in the embodiment of the present application may include the following steps 201 to 203.

Step 201, the terminal sends first frequency band information to the network device.

In this embodiment of the present application, the terminal may include N subscriber identity cards (Subscriber Identity Module, SIM) cards, where N is an integer greater than 1.

In some embodiments of the present application, the SIM card may be a physical card or a virtual card.

In some examples of the present application, in the case that the SIM card is a physical card, the SIM card may be a smart card containing a large-scale integrated circuit, and may be used to register important data and information of the user.

In some examples of the present application, where the SIM card is a virtual card, the SIM card may be an electronic SIM card, i.e., an eSIM card. An eSIM card is essentially a data file that can be downloaded to a terminal over a network. Through the eSIM card, the terminal can realize the functions of surfing the Internet, receiving and dialing a telephone, sending a short message and the like.

In some embodiments of the present application, different SIM cards in the terminal may be SIM cards provided by the same operator, or may be SIM cards provided on different operators.

The first frequency band information may include SIM card capability information, terminal capability information, and registration frequency band information.

In the embodiment of the present application, the SIM card capability information may indicate a frequency band supported by each SIM card; the terminal capability information may indicate a frequency band supported by the terminal; the above-described registered frequency band information may indicate a registered frequency band of each SIM card.

In some embodiments of the present application, the frequency band supported by the SIM card may be a frequency band corresponding to a network system supported by the SIM card.

In some embodiments of the present application, network formats supported by N SIM cards in the terminal may be the same or different.

Illustratively, the terminal includes a SIM card 1 and a SIM card 2. The SIM card 1 may support a long term evolution (Local Terminal Emulator, LTE) network, and the SIM card 2 may support a New generation wireless (NR) network. That is, the network system supported by the SIM card 1 and the SIM card 2 are different.

It can be understood that, since different network systems correspond to different frequency bands, the frequency bands supported by the SIM card supporting the different network systems are also different.

In some embodiments of the present application, the above "frequency band supported by the SIM card" may be understood as: the SIM card can adopt the frequency band for data transmission.

In some embodiments of the present application, the frequency band supported by the terminal may be a frequency band corresponding to a network system supported by the terminal.

In some embodiments of the present application, the terminal may support at least one network system. That is, the terminal may support the frequency band corresponding to the at least one network system.

In some embodiments of the present application, the above "frequency band supported by the terminal" may be understood as: the terminal can use the frequency band for data transmission. It can be understood that the frequency band adopted by the terminal when transmitting data needs to be the frequency band supported by both the terminal and the SIM card.

In some embodiments of the present application, the registered frequency band of the SIM card may be a frequency band in which a cell in which the terminal resides through the SIM card is located. In other words, the registered frequency band of the SIM card may be a frequency band in which a cell in which the terminal is registered through the SIM card is located.

In some embodiments of the present application, when adding a CA service, a terminal may first select a CA Primary service cell (Pcell) to access through a SIM card, and complete a network attachment procedure on the Primary service cell, so as to establish an initial connection with a network. It can be understood that the primary serving cell is the cell in which the terminal resides through the SIM card.

In some embodiments of the present application, the terminal may determine the primary serving cell to access from the CA cell set.

It should be noted that, the CA cell set may configure a plurality of cells into one logic set for the network device, and the obtained cell set. It can be understood that only the cells in the CA cell set are allowed to aggregate, achieving the effect of carrier aggregation.

In some embodiments of the present application, the terminal may acquire the first frequency band information first, and then send the first frequency band information to the network device.

The terminal may initiate CA measurement through the SIM card to obtain SIM card capability information, terminal capability information, and registration frequency band information, and report the SIM card capability information, the terminal capability information, and the registration frequency band information to the network device.

In some embodiments of the present application, when the terminal sends the first frequency band information to the network device, the SIM card capability information, the terminal capability information, and the registration frequency band information in the first frequency band information may be jointly reported. That is, the terminal may report the information of the N SIM cards in combination. Therefore, the network equipment can quickly know the information of N SIM cards of the terminal, and is beneficial to the fusion communication among the network equipment of different operators.

The terminal may report the SIM card capability information and the registered frequency band information of the N SIM cards and the terminal capability information in a combined manner through the main SIM card.

In some embodiments of the present application, the terminal may send the first frequency band information to the network device through a first manner.

In some embodiments of the present application, the first manner may include, but is not limited to: carrying the first frequency band information in an A4 measurement report, and sending the A4 measurement report to network equipment; carrying the first frequency band information in RRC signaling, and sending the RRC signaling to the network equipment; carrying the first frequency band information in a custom signaling, and sending the custom signaling to network equipment; etc. The embodiments of the present application are not particularly limited.

Step 202, the terminal receives first priority information sent by the network device.

Wherein the first priority information at least indicates selection priorities of at least two first cells matched with the first frequency band information.

In some embodiments of the present application, the first cell may be a cell in the CA cell set that matches the first frequency band information.

In some embodiments of the present application, the "first cell matching the first frequency band information" may be understood as: the CA cell is concentrated, and the frequency band of the cell is matched with the SIM card capability information and the terminal capability information in the first frequency band information. That is, the frequency band of the cell is the same as one of the frequency bands supported by the SIM card, and the frequency band of the cell is the same as one of the frequency bands supported by the terminal.

In some embodiments of the present application, the first priority information may indicate an order in which the terminal adds the secondary cells. It will be appreciated that the higher the selection priority of a first cell, the more preferentially the terminal adds the first cell.

In some embodiments of the present application, the first priority information may indicate a plurality of priorities when the terminal adds the secondary cell. Wherein the selection priority of the at least two first cells matched with the first frequency band information may be one or more of the plurality of priorities.

In some embodiments of the present application, the selection priority of the at least two first cells may be determined by a frequency band in which the at least two first cells are located.

In some embodiments of the present application, the further apart the frequency band in which the first cell is located is from the frequency band indicated by the registered frequency band information, the higher the selection priority of the first cell is. I.e. the frequency band in which the first cell with a high priority is selected should be different from the registered frequency band of the SIM card.

It can be understood that the frequency band interference among the N SIM cards of the terminal is caused by the close registration frequency bands of the N SIM cards. Therefore, when adding the CA service, the secondary cell selected by the terminal should be different from the registration frequency bands of the N SIM cards as much as possible, so as to reduce the influence of the frequency band interference between the N SIM cards.

In some embodiments of the present application, after receiving the first frequency band information sent by the terminal, the network device may determine first priority information based on the first frequency band information, and send the first priority information to the terminal, so that the terminal may select, according to the first priority information, a secondary cell to be added from the at least two first cells.

In some embodiments of the present application, the network device may send the first priority information to the terminal through the second manner.

In some embodiments of the present application, the second manner described above may include, but is not limited to: carrying the first priority information in RRC reconfiguration signaling, and sending the RRC reconfiguration signaling to the terminal; carrying the first priority information in a custom signaling, and sending the custom signaling to a terminal; etc. The embodiments of the present application are not particularly limited.

Step 203, the terminal adds and activates the secondary cell according to the first priority information.

Wherein the secondary cell may be one of at least two first cells.

In some embodiments of the present application, after receiving the first priority information sent by the network device, the terminal may parse the first priority information to obtain information of the selection priorities of the at least two first cells. And the terminal can also receive the cell parameter information of the at least two first cells sent by the network equipment, so as to add and activate the auxiliary cells from the at least two first cells according to the first priority information.

In some embodiments of the present application, the above cell parameter information may be parameters required when adding a cell, and may include, but is not limited to: the unique identifier of the cell, the frequency the cell is located on, and the signal energy threshold of the cell.

In some embodiments of the present application, the terminal may select, from at least two first cells, a first cell with a highest priority as a secondary cell for adding and activating; then, the terminal can add and activate the first cell with the second highest selection priority as the auxiliary cell after the first cell with the highest selection priority fails to add or activate; and under the condition that the first cell with the second highest priority is failed to be added or activated, the first cell with the third highest priority is selected as the auxiliary cell to be added and activated. And so on until the secondary cell is successfully added and activated.

In some embodiments of the present application, if the secondary cell has not been successfully added and activated after traversing all the first cells, the terminal may re-perform steps 201 to 203 above to add and activate the secondary cell.

In some embodiments of the present application, after the terminal repeatedly performs the above steps 201 to 203 for a preset number of times, if the secondary cell is still not successfully added and activated, the terminal may terminate the addition of the secondary cell.

In some embodiments of the present application, the preset number of times may be set by a user, or may be default for a terminal. The embodiments of the present application are not particularly limited.

According to the auxiliary cell adding method provided by the embodiment of the application, on one hand, the terminal can use the CA service by adding the auxiliary cell, so that the transmission rate of the network and the utilization rate of network resources are improved; on the other hand, the terminal can add and activate the auxiliary cells according to the selection priority of the cells, so that the network adaptability problem caused by interference among a plurality of SIM card frequency bands of the terminal is reduced. Thus, the effect of using CA by the terminal is improved.

In some embodiments of the present application, the first priority information may include first information indicating a first selection priority, and second information indicating a second selection priority.

Wherein the first selection priority is higher than the second selection priority.

In some embodiments of the present application, the first information may indicate cells that are not in the registered frequency bands of the N SIM cards; the second information indicates a cell in a registered frequency band of at least one SIM card.

In some embodiments of the present application, if the at least two first cells are all cells in the registration frequency band of the at least one SIM card, it may be determined that the selection priorities of the at least two first cells are not the first selection priority or the second selection priority. That is, the first information and the second information are the judgment indicators of the selection priority of the first cell, and when the first cell does not meet the judgment indicators of the first information or the second information, it may be determined that the selection priority of the first cell is not the first selection priority or the second selection priority.

It can be understood that the more different the cells of the registered frequency bands of the N SIM cards are, the more distant the cells are located in the frequency bands, and the higher the priority thereof is.

In some embodiments of the present application, the network device may divide the at least two first cells into a plurality of cell lists (lists) according to selection priorities, and each cell list may include first cells with the same selection priority, and send the plurality of cell lists to the terminal, so that the terminal may add and activate secondary cells from the plurality of cell lists.

In some embodiments of the present application, the first priority information may at least indicate a first cell list corresponding to the first selection priority and a second cell list corresponding to the second selection priority.

It can be understood that, for a cell in which the frequency band of the cell is not in the registration frequency bands of the N SIM cards, the cell can avoid the frequency band interference among the N SIM cards of the terminal to the greatest extent. The selection priority of the cell list of cells not in the registration frequency band of the N SIM cards is higher than the selection priority of the cell list of cells in the registration frequency band of at least one SIM card.

In some embodiments of the present application, the first cell list may include cells that are not in the registration frequency bands of the N SIM cards in at least two first cells.

In some embodiments of the present application, the second cell list may include cells in a registration frequency band of at least one SIM card from among at least two first cells.

In some embodiments of the present application, the first cell list may be an empty cell list; the second cell list may be an empty cell list.

For example, in the case where at least two first cells are both cells in the registered frequency bands of the N SIM cards, the first cell list may be an empty cell list.

For example, in the case where all the first cells are not cells in the registration frequency band of the N SIM cards, the second cell list may be an empty cell list.

In some embodiments of the present application, when adding a secondary cell, the terminal may directly select, according to a selection priority corresponding to the cell list, a secondary cell to be added from the cell list.

In some embodiments of the present application, the terminal may preferentially add the cells in the first cell list if the first cell list is not empty; alternatively, the terminal may directly add the cells in the second cell list in case the first cell list is empty.

In some embodiments of the present application, the terminal may preset an empty first cell list and an empty second cell list, and after receiving the first priority information sent by the network device, may store the parsed first cell in the corresponding cell list; the terminal may directly parse and save the first cell list and the second cell list after receiving the first priority information sent by the network device.

Therefore, the terminal can preferentially add and activate the cell with high selection priority as the auxiliary cell, and select the cell with high selection priority as the cell which is not in the registration frequency band of the N SIM cards, so that the same frequency interference caused by the same frequency band of the added auxiliary cell and the registration frequency band of the SIM cards can be avoided, the influence of the frequency band interference among the N SIM cards of the terminal on the CA service is reduced, and the effect of using the CA by the terminal is improved.

In some embodiments of the present application, the first priority information may further include first information indicating a first selection priority, third information indicating a third selection priority, and fourth information indicating a fourth selection priority.

Wherein the first selection priority is higher than the third selection priority; the third selection priority is higher than the fourth selection priority.

In some embodiments of the present application, the first information may indicate cells that are not in the registered frequency bands of the N SIM cards; the third information may indicate a cell in a registered frequency band of a main SIM card among the N SIM cards; the fourth information may indicate a cell in a registered frequency band of a sub-SIM card among the N SIM cards.

It should be noted that, since the secondary SIM card can preempt the resources of the primary SIM card, if the frequency band of the secondary cell added by the terminal is the same as the registration frequency band of the secondary SIM card, larger co-channel interference will be caused. And under the condition that the frequency band of the auxiliary cell added by the terminal is the same as the registration frequency band of the main SIM card, the auxiliary cell and the main cell accessed by the main SIM card can coordinate resources, and the generated same-frequency interference is smaller than that generated by the same frequency band of the auxiliary cell and the registration frequency band of the auxiliary SIM card. In this way, the network device can determine that the selection priority of the cell in the registration band of the main SIM card of the N SIM cards is higher than the selection priority of the cell in the registration band of the sub SIM card of the N SIM cards.

In some embodiments of the present application, the first priority information may at least include a first cell list corresponding to the first selection priority, a third cell list corresponding to the third selection priority, and a fourth cell list corresponding to the fourth selection priority.

In some embodiments of the present application, the third cell list may include cells in a registered frequency band of a main SIM card of the N SIM cards.

In some embodiments of the present application, the fourth cell list may include cells in registered frequency bands of the secondary SIM cards among the N SIM cards.

It can be understood that the selection priority order of the cell list when the terminal adds the secondary cell is: the first cell list > the third cell list > the fourth cell list.

In some embodiments of the present application, the terminal may preferentially select, as the secondary cell, a cell in the first cell list for addition and activation according to the selection priority of the cell list. Then, under the condition that the cells in the first cell list cannot be added and activated successfully, the cells in the second cell list are selected as the auxiliary cells to be added and activated. And finally, under the condition that the cells in the third cell list cannot be added and activated successfully, selecting the cells in the fourth cell list as the auxiliary cells for adding and activating.

In some embodiments of the present application, reference may be made to the above description of the first and second cell lists for a detailed description of the third and fourth cell lists. To avoid repetition, no further description is provided here.

Illustratively, the first cell list is taken as a preferred list, the third cell list is taken as a medium selection list, and the fourth cell list is taken as a post selection list as an example.

In case the preference list is not empty, cells in the preference list may be preferentially added and activated;

preferentially adding and activating cells in the middle selection list under the condition that the preferred list is empty and the middle selection list is not empty;

adding and activating cells in the post-selection list under the condition that the preferred list is empty, the intermediate selection list is also empty and the post-selection list is not empty;

and under the condition that the preferred list is empty, the middle selection list is empty and the post selection list is also empty, the first frequency band information is re-acquired, the first frequency band information is sent to the network equipment, and the auxiliary cell is added based on the re-received first priority information.

Therefore, the terminal can preferentially add and activate the cell corresponding to the first selection priority as the auxiliary cell, and the cell corresponding to the first selection priority is a cell which is not in the registered frequency bands of the N SIM cards, so that the same frequency interference caused by the fact that the frequency band of the added auxiliary cell is identical to the registered frequency band of the SIM cards can be avoided. And under the condition that the cell addition corresponding to the first selection priority fails, the cells in the registration frequency bands of the main SIM card in the N SIM cards can be preferentially added, so that larger co-frequency interference caused by the fact that the frequency band of the auxiliary cell is identical to the registration frequency band of the auxiliary SIM card can be avoided. Therefore, the influence of the frequency band interference among N SIM cards of the terminal on the CA service can be reduced, and the effect of using the CA by the terminal is improved.

In some embodiments of the present application, as shown in fig. 3, in conjunction with fig. 2. After the step 203, the secondary cell adding method provided in the embodiment of the present application may further include a step 204 described below.

Step 204, under the condition that the registered frequency band of at least one of the N SIM cards changes or fifth information sent by the network device is received, the terminal obtains SIM card capability information, terminal capability information and registered frequency band information of the terminal, so as to obtain second frequency band information, and sends the second frequency band information to the network device.

The fifth information may be used to instruct the terminal to obtain SIM card capability information, terminal capability information, and registration frequency band information of the terminal.

In some embodiments of the present application, the second frequency band information may be SIM card capability information, terminal capability information, and registration frequency band information that are acquired by the terminal again.

In some embodiments of the present application, the terminal may re-acquire the SIM card capability information, the terminal capability information, and the registered frequency band information of the terminal through the following two embodiments to obtain second information, and send the second frequency band information to the network device, and repeatedly execute the foregoing steps 201 to 203.

A first possible implementation: and under the condition that the registered frequency band of at least one SIM card in the N SIM cards is changed, the terminal directly acquires the SIM card capability information, the terminal capability information and the registered frequency band information of the terminal again to obtain second frequency band information, and sends the second frequency band information to the network equipment.

In some embodiments of the present application, under the condition that a terminal moves or a network device is abnormal, a registered frequency band of a SIM card of the terminal may change, and at this time, the terminal may obtain SIM card capability information, terminal capability information, and registered frequency band information of the terminal by itself, so as to obtain second frequency band information, send the second frequency band information to the network device, and finally re-add the secondary cell.

Illustratively, the terminal includes a SIM card 1 and a SIM card 2. Assuming that the registered frequency band of the SIM card 1 is N28, the registered frequency band of the SIM card 2 is N41, after the terminal moves, the registered frequency band of the SIM card 1 is N28, and the registered frequency band of the SIM card 2 is changed to N78. At this time, the terminal can obtain the SIM card capability information, the terminal capability information, and the registered frequency band information of the terminal by itself, so as to obtain second frequency band information, and send the second frequency band information to the network device, and finally re-add the secondary cell.

A second possible implementation: under the condition that the registered frequency band of at least one SIM card in the N SIM cards changes, the terminal can report the change to the network equipment, and after receiving fifth information sent by the network equipment, the terminal re-acquires the SIM card capability information, the terminal capability information and the registered frequency band information of the terminal to obtain second frequency band information, and sends the second frequency band information to the network equipment.

Illustratively, the terminal includes a SIM card 1 and a SIM card 2. Assuming that the registered frequency band of the SIM card 1 is N28, the registered frequency band of the SIM card 2 is N41, after the terminal moves, the registered frequency band of the SIM card 1 is N28, and the registered frequency band of the SIM card 2 is changed to N78. At this time, the terminal may report the change information of the registered frequency band of the SIM card 2 to the network device, and after receiving the first message sent by the network device, re-acquire the SIM card capability information, the terminal capability information, and the registered frequency band information of the terminal, so as to obtain second frequency band information, send the second frequency band information to the network device, and finally re-add the secondary cell.

It should be noted that, regarding the description of the terminal acquiring the second frequency band information and the terminal transmitting the second frequency band information to the network device, reference may be made to the above description of the terminal acquiring the first frequency band information and the terminal transmitting the first frequency band information to the network device. To avoid repetition, no further description is provided here.

Therefore, the terminal can acquire the SIM card capability information, the terminal capability information and the registration frequency band information of the terminal again under the condition that the registration frequency band of at least one SIM card in the SIM cards is changed, so that the registration frequency band information of the SIM card can be updated to the network equipment in time, the added auxiliary cell can be changed in time, the same-frequency interference is avoided, and the CA using effect of the terminal is improved.

In some embodiments of the present application, after the step 203, the secondary cell adding method provided in the embodiments of the present application may further include a step 205 described below.

Step 205, the terminal deactivates the added secondary cells and clears the information of at least two first cells.

In some embodiments of the present application, in a case where the terminal no longer needs to use the CA service, the terminal may deactivate the added secondary cell and clear the stored information of at least two first cells.

In some embodiments of the present application, in a case where the terminal no longer needs to use the CA service, the terminal may further send a message to the network device, so as to instruct the network device to no longer configure the CA resource for the terminal, and may release the CA resource to other terminals for use.

In this way, the added secondary cell can be timely deactivated and the information of at least two first cells can be cleared, under the condition that the terminal no longer needs to use the CA service. Therefore, the corresponding resources can be released in time, and the occupation of the resources is reduced.

The embodiment of the application also provides a method for adding the auxiliary cell, and fig. 4 shows a flowchart of the method for adding the auxiliary cell, which is provided by the embodiment of the application, and the method can be applied to network equipment. As shown in fig. 4, the secondary cell adding method provided in the embodiment of the present application may include the following steps 301 and 302.

Step 301, the network device receives first frequency band information sent by the terminal.

The first frequency band information comprises SIM card capability information, terminal capability information and registration frequency band information, the registration frequency band information indicates the registration frequency band of each of N SIM cards of the terminal, the SIM card capability information indicates the frequency band supported by each SIM card, the terminal capability information indicates the frequency band supported by the terminal, and N is an integer greater than 1.

In some embodiments of the present application, after receiving the first frequency band information sent by the terminal, the network device may parse the first frequency band information to obtain SIM card capability information, terminal capability information, and registration frequency band information of the terminal.

Step 302, the network device sends first priority information to the terminal based on the first frequency band information.

The first selection priority indicates at least selection priorities of at least two first cells, and the first cells are matched with the first frequency band information.

In some embodiments of the present application, after receiving the first frequency band information, the network device may query, based on SIM card capability information and terminal capability information in the first frequency band information, cells associated with the network device to obtain at least two first cells that match the first frequency band information; and determining the selection priority of the at least two first cells based on the registration frequency band information in the first frequency band information, and finally, sending first priority information to the terminal to instruct the terminal to add and activate the auxiliary cells from the at least two first cells according to the first priority information.

According to the auxiliary cell adding method, the network equipment can determine the priority adding sequence of the cells which can be added by the terminal based on the SIM card capability information, the terminal capability information and the registration frequency band information sent by the terminal. Therefore, when the auxiliary cell is added, the terminal can reduce the interference among a plurality of SIM card frequency bands to the greatest extent, and reduce the network adaptability problem caused by the same-frequency interference, thereby improving the effect of using CA by the terminal.

In some embodiments of the present application, as shown in fig. 5 in conjunction with fig. 4, the above step 302 may include steps 302a to 302c described below.

Step 302a, the network device determines at least two first cells that match the SIM card capability information and the terminal capability information.

In some embodiments of the present application, the network device may determine, as the first cell, a cell in which the CA cell is concentrated and the frequency band in which the cell is located matches the SIM card capability information and the terminal capability information in the first frequency band information. That is, the network device may concentrate CA cells, where a frequency band where the cell is located is the same as one of the frequency bands supported by the SIM card, and a cell where the frequency band where the cell is located is the same as one of the frequency bands supported by the terminal is determined as the first cell.

In some embodiments of the present application, the network device may further determine, as the first cell, a cell in which the CA cell set matches the SIM card capability information and the terminal capability information and the signal quality satisfies a threshold.

In some embodiments of the present application, the threshold may be set by a user, or may be default for the network device. The embodiments of the present application are not particularly limited.

Step 302b, the network device determines the selection priority of at least two first cells based on the registered frequency band information and the frequency band where each first cell is located, and generates first priority information.

In some embodiments of the present application, the network device may determine all cells matching the first frequency band information first, and then determine a selection priority of each cell in all the cells matching the first frequency band information; the selection priority of the cell may also be determined at the same time as the cell matching the first frequency band information is determined. That is, the step 302b may be performed after the step 302a or may be performed simultaneously with the step 302a, and fig. 5 is only an example in which the step 302b may be performed after the step 302 a. The present application is not particularly limited.

In some embodiments of the present application, as shown in fig. 6 in conjunction with fig. 4, the step 302b may include the following step 302b1.

Step 302b1, the network device generates first information indicating a first selection priority and second information indicating a second selection priority based on the registered frequency band information and the frequency band in which each first cell is located.

In some embodiments of the present application, the first information may indicate cells that are not in the registered frequency bands of the N SIM cards; the second information may indicate a cell in a registered frequency band of at least one SIM card.

In some embodiments of the present application, the network device may generate the first cell list and the second cell list based on the registered frequency band information and the frequency band in which each first cell is located. It will be appreciated that the first selection priority corresponding to the first cell list is higher than the second selection priority corresponding to the second cell list.

In some embodiments of the present application, the first cell list may include cells that are not in the registered frequency bands of the N SIM cards.

In some embodiments of the present application, the second cell list may include cells in a registered frequency band of at least one SIM card.

In some embodiments of the present application, the network device may determine a cell that is not in the registration frequency band of the N SIM cards from among at least two first cells as a cell in the first cell list, and determine a cell that does not belong to the first cell list from among the at least two first cells as a cell of the second cell list.

Illustratively, the terminal includes a SIM card 1 and a SIM card 2. Assuming that the frequency band of the cell registered by the SIM card 1 is N3, the frequency band of the cell registered by the SIM card 2 is N78, and the frequency bands of the at least two first cells include N1, N3, N5 and N78. Then, the network device may determine the cell corresponding to the frequency band N1 and the cell corresponding to the frequency band N5 as the cells in the first cell list, and determine the cell corresponding to the frequency band N3 and the cell corresponding to the frequency band N78 as the cells in the second cell list, so as to generate the first cell list and the second cell list.

It should be noted that, the network device may preset an empty cell list, and after determining the selection priority of the first cell, may store the first cell in a corresponding cell list to generate a first cell list and a second cell list; the network device may also generate the first cell list and the second cell list directly based on the at least two first cells after determining the selection priority of the at least two first cells. The embodiments of the present application are not particularly limited.

It should be noted that, for other descriptions of the first cell list and the second cell list, reference may be made to the description related to step 202. To avoid repetition, no further description is provided here.

Therefore, the network equipment can determine the cells which are not in the registration frequency bands of the N SIM cards as the cells with high priority, so that the same frequency interference caused by the fact that the frequency band of the added auxiliary cell is the same as the registration frequency band of the SIM cards can be avoided, the influence of the frequency band interference among the N SIM cards of the terminal on the CA service is reduced, and the effect of using the CA by the terminal is improved.

In some embodiments of the present application, as shown in fig. 7 in conjunction with fig. 4, the step 302b may further include a step 302b2 described below.

Step 302b2, the network device generates first information indicating the first selection priority, third information indicating the third selection priority, and fourth information indicating the fourth selection priority based on the registered frequency band information and the frequency band in which each first cell is located.

In some embodiments of the present application, the network device may generate the first cell list, the third cell list, and the fourth cell list based on the registered frequency band information and the frequency band in which each first cell is located. It can be understood that the first selection priority corresponding to the first cell list is higher than the third selection priority corresponding to the third cell list; the third selection priority is higher than a fourth selection priority corresponding to the fourth cell list.

In some embodiments of the present application, the fourth cell list includes cells in registered frequency bands of the secondary SIM cards among the N SIM cards.

In some embodiments of the present application, the network device may determine that the selection priority of the cell in the frequency band same as the registration frequency band of the primary SIM card of the N SIM cards is higher than the selection priority of the cell in the frequency band same as the registration frequency band of the secondary SIM card of the N SIM cards. That is, the selection priority of the third cell list is higher than the selection priority of the fourth cell list.

Illustratively, the terminal includes a primary SIM card 1 and a secondary SIM card 2. Assuming that the frequency band of the cell registered by the primary SIM card 1 is N3, the frequency band of the cell registered by the secondary SIM card 2 is N78, and the frequency bands of the at least two first cells include N1, N3, N5 and N78. Then, the network device may determine the cell corresponding to the frequency band N1 and the cell corresponding to the frequency band N5 as the cells in the first cell list, determine the cell corresponding to the frequency band N3 as the cells in the third cell list, and determine the cell corresponding to the frequency band N78 as the cells in the fourth cell list, so as to generate the first cell list and the second cell list.

In some embodiments of the present application, when the frequency bands where the cells registered by the N SIM cards of the terminal are located are the same, the network device may generate a first cell list and a second cell list according to the registered frequency band information and the frequency band where each first cell is located; under the condition that the frequency bands of the cells registered by the N SIM cards of the terminal are different, the network equipment can register the frequency band information and the frequency band of each first cell to generate a first cell list, a third cell list and a fourth cell list.

It should be noted that, for other descriptions of the third cell list and the fourth cell list, reference may be made to the above description of the first cell list and the second cell list. To avoid repetition, no further description is provided here.

In this way, the network device can determine the cells which are not in the registered frequency bands of the N SIM cards as the cells with high selection priority, so that the same frequency band of the added auxiliary cells as the registered frequency band of the SIM cards can be avoided to cause the same frequency interference. And the network equipment can also determine the selection priority of the cell with the same frequency band as the frequency band of the cell registered by the main SIM card to be higher than the selection priority of the cell with the same frequency band as the frequency band of the cell registered by the auxiliary SIM card, thereby avoiding larger co-frequency interference caused by the same frequency band of the auxiliary cell and the frequency band registered by the auxiliary SIM card. Therefore, the influence of the frequency band interference among N SIM cards of the terminal on the CA service can be reduced, and the effect of using the CA by the terminal is improved.

Step 302c, the network device sends the first priority information to the terminal.

Thus, the network device can determine the cell to which the terminal can add based on the SIM card capability information and the terminal capability information sent by the terminal, and determine the priority order of adding the cells based on the registration frequency band information sent by the terminal. Therefore, when the auxiliary cell is added, the terminal can reduce the interference among a plurality of SIM card frequency bands to the greatest extent, and reduce the network adaptability problem caused by the same-frequency interference, thereby improving the effect of using CA by the terminal.

In some embodiments of the present application, after the step 302, the secondary cell adding method provided in the embodiments of the present application may further include the following steps 303 and 304.

Step 303, the network device sends fifth information to the terminal when the frequency band of the cell in which at least one of the N SIM cards is registered is changed.

Step 304, the network device receives the second frequency band information from the terminal.

The second frequency band information may include SIM card capability information, terminal capability information, and registration frequency band information of the terminal acquired by the terminal.

For a detailed description of step 303 and step 304 above, reference may be made to the description of step 204 above. To avoid repetition, no further description is provided here.

Therefore, under the condition that the registration frequency band of at least one SIM card in the SIM cards is changed, the network equipment can instruct the terminal to acquire the SIM card capacity information, the terminal capacity information and the registration frequency band information again, so that the registration frequency band information of the SIM cards can be updated in time, the added auxiliary cells can be changed in time, the same-frequency interference is avoided, and the effect of using CA by the terminal is improved.

In some embodiments of the present application, after the step 304, the secondary cell adding method provided in the embodiments of the present application may further include a step 305 described below.

Step 305, if the frequency band of the secondary cell added by the terminal is at least partially the same as the frequency band of the cell registered by each SIM card, the network device sends second priority information to the terminal based on the second frequency band information.

Wherein the second priority information indicates at least selection priorities of at least two second cells matched with the second frequency band information.

In some embodiments of the present application, the description about the second cell may be referred to the above description about the first cell, and the description about the second priority information may be referred to the above description about the first priority information. To avoid repetition, no further description is provided here.

In some embodiments of the present application, the second cell may be the same as or different from the first cell.

In some embodiments of the present application, the second priority information is different from the first priority information.

In some embodiments of the present application, after the terminal reacquires and sends SIM card capability information, terminal capability information, and registration frequency band information to the network device, the network device may determine whether the SIM card registration frequency band indicated by the registration frequency band information reacquired by the terminal is the same as the frequency band in which the added secondary cell is located, so as to determine whether the terminal needs to add a new secondary cell.

It can be understood that if the registered frequency band indicated by the registered frequency band information acquired by the terminal is completely different from the frequency band where the added secondary cell is located, it may indicate that the interference between the current registered frequency band of the SIM card and the frequency band where the added secondary cell is located is not large. Therefore, the terminal does not need to add a new secondary cell to reduce the frequency band interference. If the registered frequency band indicated by the registered frequency band information acquired by the terminal is at least partially the same as the frequency band in which the added secondary cell is located, it may indicate that there is interference between the current registered frequency band of the SIM card and the frequency band in which the added secondary cell is located. Therefore, the terminal needs to add a new secondary cell to reduce the band interference.

In some embodiments of the present application, in a case where the frequency band of the secondary cell to which the terminal has added is at least partially the same as the frequency band of the cell registered by each SIM card, the network device may resend second priority information to the terminal, where the second priority information indicates at least selection priorities of at least two second cells matched with the second frequency band information, so that the terminal adds a new secondary cell to reduce frequency band interference

In this way, the network device may send the second priority information to the terminal only when the frequency band of the secondary cell to which the terminal has added is at least partially the same as the frequency band of the cell to which each SIM card is registered. Namely, the network device instructs the terminal to add a new secondary cell only when there is interference between the frequency band in which the secondary cell added by the terminal is located and the frequency band in which the cell registered by each SIM card is located. Thus, resources for adding the auxiliary cell by the terminal can be saved.

The embodiment of the application provides a method for adding a secondary cell, and fig. 8 shows a flowchart of the method for adding a secondary cell. As shown in fig. 8, the secondary cell adding method provided in the embodiment of the present application may include the following steps 401 to 405.

Step 401, the terminal sends first frequency band information to the network device.

The first frequency band information comprises SIM card capability information, terminal capability information and registered frequency band information, the registered frequency band information indicates a registered frequency band of each SIM card, the SIM card capability information indicates a frequency band supported by each SIM card, and the terminal capability information indicates a frequency band supported by the terminal.

Step 402, the network device receives the first frequency band information.

Step 403, the network device sends first priority information to the terminal based on the first frequency band information.

Step 404, the terminal receives the first priority information sent by the network device.

Step 405, the terminal adds and activates the secondary cell from at least two first cells based on the first priority information.

Wherein the secondary cell is one of at least two first cells.

In some embodiments of the present application, the step 403 may include steps 403a to 403c described below.

Step 403a, the network device determines at least two first cells that match the SIM card capability information and the terminal capability information.

Step 403b, the network device determines the selection priorities of at least two first cells based on the registered frequency band information and the frequency band where each first cell is located, and generates first priority information.

Step 403c, the network device sends the first priority information to the terminal.

In some embodiments of the present application, the step 403b may include a step 403b1 described below.

Step 403b1, the network device generates first information indicating the first selection priority and second information indicating the second selection priority based on the registered frequency band information and the frequency band in which each first cell is located.

Wherein the first selection priority is higher than the second selection priority; the first information indicates cells which are not in the registered frequency bands of the N SIM cards; the second information indicates a cell in a registered frequency band of at least one SIM card.

In some embodiments of the present application, the step 403b may further include a step 403b2 described below.

Step 403b2, the network device generates first information indicating the first selection priority, third information indicating the third selection priority, and fourth information indicating the fourth selection priority based on the registered frequency band information and the frequency band in which each first cell is located.

Wherein the first selection priority is higher than the third selection priority; the third selection priority is higher than the fourth selection priority; the first information indicates cells which are not in the registered frequency bands of the N SIM cards; the third information indicates a cell of a registration frequency band of a main SIM card among the N SIM cards; the fourth information indicates a cell in a registered frequency band of a sub-SIM card among the N SIM cards.

In some embodiments of the present application, after the step 405, the secondary cell adding method provided in the embodiments of the present application may further include the following steps 406 and 408, or the steps 407 and 408.

Step 406, under the condition that the registered frequency band of at least one SIM card in the N SIM cards changes or fifth information sent by the network device is received, the terminal obtains SIM card capability information, terminal capability information and registered frequency band information of the terminal, so as to obtain second frequency band information, and sends the second frequency band information to the network device.

The fifth information is used for indicating the terminal to acquire the SIM card capability information, the terminal capability information and the registered frequency band information of the terminal.

Step 407, the network device sends fifth information to the terminal when the frequency band of the cell registered by at least one SIM card of the N SIM cards changes.

Step 408, the network device receives the second frequency band information from the terminal.

The second frequency band information comprises SIM card capability information, terminal capability information and registered frequency band information of the terminal acquired again by the terminal.

In some embodiments of the present application, after the step 408, the secondary cell adding method provided in the embodiments of the present application may further include a step 409 described below.

Step 409, if the frequency band of the secondary cell added by the terminal is at least partially the same as the frequency band of the cell registered by each SIM card, the network device sends second priority information to the terminal based on the second frequency band information.

For other descriptions of steps 401 to 410, reference may be specifically made to the description related to the method embodiment of the network device and the method embodiment of the terminal in the secondary cell addition method described above.

The above method embodiments, or various possible implementation manners in the method embodiments, may be executed separately, or may be executed in any two or more combinations, which may be specifically determined according to actual use requirements, and this embodiment of the application is not limited.

According to the auxiliary cell adding method provided by the embodiment of the application, the execution main body can be an auxiliary cell adding device. In the embodiment of the present application, an example of a method for executing secondary cell addition by a secondary cell adding device is described as an example, where the secondary cell adding device provided in the embodiment of the present application.

Fig. 9 shows a schematic diagram of a possible configuration of a secondary cell adding apparatus according to an embodiment of the present application. As shown in fig. 9, the secondary cell adding device 90 may include: a transmitting module 91, a receiving module 92 and a processing module 93.

The sending module 91 is configured to send first frequency band information to the network device, where the first frequency band information includes SIM card capability information, terminal capability information, and registered frequency band information, the registered frequency band information indicates a registered frequency band of each SIM card, the SIM card capability information indicates a frequency band supported by each SIM card, and the terminal capability information indicates a frequency band supported by the terminal; a receiving module 92, configured to receive first priority information sent by the network device, where the selection priority information indicates at least selection priorities of at least two first cells that match the first frequency band information sent by the sending module 91; a processing module 93, configured to add and activate a secondary cell according to the first priority information received by the receiving module 92, where the secondary cell is one of the at least two first cells.

In one possible implementation, the first priority information includes first information indicating a first selection priority, and second information indicating a second selection priority;

Wherein the first selection priority is higher than the second selection priority;

the first information indicates cells which are not in the registered frequency bands of the N SIM cards;

the second information indicates a cell in a registered frequency band of the at least one SIM card.

In one possible implementation manner, the first priority information includes first information indicating a first selection priority, third information indicating a third selection priority, and fourth information indicating a fourth selection priority;

wherein the first selection priority is higher than the third selection priority;

the third selection priority is higher than the fourth selection priority;

the third information indicates a cell of a registration frequency band of a main SIM card among the N SIM cards;

the fourth information indicates a cell in a registered frequency band of a sub-SIM card among the N SIM cards.

In a possible implementation manner, the processing module 93 is further configured to obtain, after adding and activating the secondary cell according to the first priority information, SIM card capability information, terminal capability information, and registered frequency band information of the terminal when a registered frequency band of at least one SIM card of the N SIM cards changes or when fifth information sent by the network device is received, so as to obtain second frequency band information;

The sending module 91 is further configured to send the second frequency band information obtained by the processing module 93 to a network device;

The embodiment of the application provides a secondary cell adding device, on one hand, a terminal can use a CA service by adding a secondary cell, so that the transmission rate of a network and the utilization rate of network resources are improved; on the other hand, the terminal can add and activate the auxiliary cells according to the selection priority of the cells, so that the network adaptability problem caused by interference among a plurality of SIM card frequency bands of the terminal is reduced. Thus, the effect of using CA by the terminal is improved.

Fig. 10 shows a schematic diagram of a possible configuration of a secondary cell adding apparatus according to an embodiment of the present application. As shown in fig. 10, the secondary cell adding apparatus 100 may include: a receiving module 101 and a transmitting module 102.

The receiving module 101 is configured to receive first frequency band information sent by a terminal, where the first frequency band information includes SIM card capability information, terminal capability information, and registered frequency band information, the registered frequency band information indicates a registered frequency band of each SIM card in N SIM cards of the terminal, the SIM card capability information indicates a frequency band supported by each SIM card, the terminal capability information indicates a frequency band supported by the terminal, and N is an integer greater than 1; the sending module 102 is configured to send first priority information to the terminal based on the first frequency band information received by the receiving module 101, where the first selection priority indicates at least selection priorities of at least two first cells, and the first cells are matched with the first frequency band information.

In one possible implementation manner, the apparatus further includes: a processing module;

the processing module is configured to determine at least two first cells that match the SIM card capability information and the terminal capability information received by the receiving module 101;

the processing module is further configured to determine a selection priority of at least two first cells based on the registered frequency band information received by the receiving module 101 and the frequency band where each first cell is located, and generate first priority information;

the sending module 102 is specifically configured to send the first priority information obtained by the processing module to a terminal.

In a possible implementation manner, the processing module is specifically configured to generate, based on the registered frequency band information and the frequency band where each first cell is located, first information indicating a first selection priority and second information indicating a second selection priority;

In one possible implementation manner, the processing module is specifically configured to generate, based on the registered frequency band information and the frequency band in which each first cell is located, first information indicating the first selection priority, third information indicating the third selection priority, and fourth information indicating the fourth selection priority;

Wherein the first selection priority is higher than the third selection priority; the third selection priority is higher than the fourth selection priority;

In a possible implementation manner, the sending module 102 is further configured to send fifth information to the terminal when the frequency band where the cell registered by at least one SIM card of the N SIM cards is located is changed after sending the first priority information to the terminal, where the fifth information is used to instruct the terminal to reacquire the SIM card capability information, the terminal capability information, and the registered frequency band information of the terminal;

the receiving module 101 is further configured to receive second frequency band information sent by the terminal, where the second frequency band information includes SIM card capability information, terminal capability information, and registration frequency band information of the terminal acquired by the terminal.

In a possible implementation manner, the sending module 102 is further configured to, after the receiving module 101 receives the second frequency band information sent by the terminal, if the frequency band of the secondary cell added by the terminal is at least partially the same as the frequency band of the cell registered by each SIM card in the case that the secondary cell has been added by the terminal, send second priority information to the terminal based on the second frequency band information, where the second priority information indicates at least the selection priorities of at least two second cells matched with the second frequency band information.

The embodiment of the application provides a secondary cell adding device, because network equipment can determine the priority adding sequence of cells which can be added by a terminal based on SIM card capability information, terminal capability information and registration frequency band information sent by the terminal. Therefore, when the auxiliary cell is added, the terminal can reduce the interference among a plurality of SIM card frequency bands to the greatest extent, and reduce the network adaptability problem caused by the same-frequency interference, thereby improving the effect of using CA by the terminal.

The secondary cell adding device in the embodiment of the application may be a terminal, or may be a component in the terminal, for example, an integrated circuit or a chip. The terminal may be a terminal or may be another device other than a terminal. By way of example, the terminal may be a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a mobile internet device (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) device, a robot, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or personal digital assistant (personal digital assistant, PDA), etc., and may also be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a Television (TV), a teller machine or a self-service machine, etc., without limitation in the embodiments of the present application.

The secondary cell adding device in the embodiment of the present application may be a device with an operating system. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.

The auxiliary cell adding device provided by the embodiment of the application can realize the processes realized by the embodiment of the auxiliary cell adding method, achieve the same technical effects, and are not repeated here for avoiding repetition.

Optionally, as shown in fig. 11, the embodiment of the present application further provides a terminal 1100, including a processor 1101 and a memory 1102, where the memory 1102 stores a program or an instruction that can be executed on the processor 1101, and the program or the instruction implements each step of the above embodiment of the secondary cell adding method when executed by the processor 1101, and can achieve the same technical effect, so that repetition is avoided, and no further description is given here.

It should be noted that, the terminal in the embodiment of the present application includes the mobile terminal and the non-mobile terminal described above.

Fig. 12 is a schematic hardware structure of a terminal implementing an embodiment of the present application.

The terminal 1200 includes, but is not limited to: radio frequency unit 1201, network module 1202, audio output unit 1203, input unit 1204, sensor 1205, display unit 1206, user input unit 1207, interface unit 1208, memory 1209, and processor 1210.

Those skilled in the art will appreciate that the terminal 1200 may further include a power source (e.g., a battery) for powering the various components, and the power source may be logically connected to the processor 1210 by a power management system so as to perform functions such as managing charging, discharging, and power consumption by the power management system. The terminal structure shown in fig. 12 does not constitute a limitation of the terminal, and the terminal may include more or less components than shown, or may combine certain components, or may be arranged in different components, which will not be described in detail herein.

The radio frequency unit 1201 is configured to send first frequency band information to the network device, where the first frequency band information includes SIM card capability information, terminal capability information, and registered frequency band information, the registered frequency band information indicates a registered frequency band of each SIM card, the SIM card capability information indicates a frequency band supported by each SIM card, and the terminal capability information indicates a frequency band supported by the terminal; the radio frequency unit 1201 is configured to receive first priority information sent by the network device, where the selection priority information indicates at least selection priorities of at least two first cells that are matched with the first frequency band information sent by the radio frequency unit 1201; a processor 1210 is configured to add and activate a secondary cell according to the first priority information received by the radio frequency unit 1201, where the secondary cell is one of the at least two first cells.

the third selection priority is higher than the fourth selection priority;

In a possible implementation manner, the processor 1210 is further configured to obtain, after adding and activating the secondary cell according to the first priority information, SIM card capability information, terminal capability information, and registered frequency band information of the terminal when a registered frequency band of at least one SIM card of the N SIM cards changes or when fifth information sent by the network device is received, so as to obtain second frequency band information;

The radio frequency unit 1201 is further configured to send the second frequency band information obtained by the processor 1210 to a network device;

The embodiment of the application provides a terminal, on one hand, the terminal can use CA service by adding an auxiliary cell, so that the transmission rate of a network and the utilization rate of network resources are improved; on the other hand, the terminal can add and activate the auxiliary cells according to the selection priority of the cells, so that the network adaptability problem caused by interference among a plurality of SIM card frequency bands of the terminal is reduced. Thus, the effect of using CA by the terminal is improved.

It should be understood that in the embodiment of the present application, the input unit 1204 may include a graphics processor (Graphics Processing Unit, GPU) 12041 and a microphone 12042, and the graphics processor 12041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1206 may include a display panel 12061, and the display panel 12061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1207 includes at least one of a touch panel 12071 and other input devices 12072. The touch panel 12071 is also called a touch screen. The touch panel 12071 may include two parts, a touch detection device and a touch controller. Other input devices 12072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.

Memory 1209 may be used to store software programs as well as various data. The memory 1209 may mainly include a first memory area storing programs or instructions and a second memory area storing data, wherein the first memory area may store an operating system, application programs or instructions (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. Further, the memory 1209 may include volatile memory or nonvolatile memory, or the memory 1209 may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM), static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (ddr SDRAM), enhanced SDRAM (Enhanced SDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DRRAM). Memory 1209 in embodiments of the present application includes, but is not limited to, these and any other suitable types of memory.

Processor 1210 may include one or more processing units; optionally, processor 1210 integrates an application processor that primarily processes operations involving an operating system, user interface, application programs, and the like, and a modem processor that primarily processes wireless communication signals, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into processor 1210.

The embodiment of the application also provides a network device, which comprises a processor and a communication interface, wherein the communication interface is used for receiving first frequency band information from a terminal and sending first priority information to the terminal based on the first frequency band information. The network device embodiment corresponds to the network device method embodiment, and each implementation process and implementation manner of the method embodiment can be applied to the network device embodiment, and the same technical effects can be achieved.

Specifically, the embodiment of the application also provides a network device. As shown in fig. 13, the network device 1300 includes: an antenna 131, a radio frequency device 132, a baseband device 133, a processor 134, and a memory 135. The antenna 131 is connected to a radio frequency device 132. In the uplink direction, the radio frequency device 132 receives information via the antenna 131, and transmits the received information to the baseband device 133 for processing. In the downlink direction, the baseband device 133 processes information to be transmitted, and transmits the processed information to the radio frequency device 132, and the radio frequency device 132 processes the received information and transmits the processed information through the antenna 131.

The method performed by the network device in the above embodiment may be implemented in a baseband apparatus 133, where the baseband apparatus 133 includes a baseband processor.

The baseband device 133 may, for example, include at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 13, where one chip, for example, a baseband processor, is connected to the memory 135 through a bus interface, so as to invoke a program in the memory 135 to perform the operation of the network device shown in the above method embodiment.

The network device may also include a network interface 136, such as a common public radio interface (common public radio interface, CPRI).

Specifically, the network device 1300 according to the embodiment of the present invention further includes: instructions or programs stored in the memory 135 and executable on the processor 134, the processor 134 invokes the instructions or programs in the memory 135 to perform the methods performed by the modules shown in fig. 10 and achieve the same technical effects, and are not repeated here.

The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the processes of the above embodiment of the secondary cell adding method are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.

Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes computer readable storage medium such as computer readable memory ROM, random access memory RAM, magnetic or optical disk, etc.

The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is configured to run a program or an instruction, implement each process of the above embodiment of the secondary cell adding method, and achieve the same technical effect, so that repetition is avoided, and no further description is provided here.

It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, chip systems, or system-on-chip chips, etc.

The embodiments of the present application provide a computer program product, which is stored in a storage medium, and the program product is executed by at least one processor to implement the respective processes of the above-mentioned secondary cell addition method embodiment, and achieve the same technical effects, and are not described herein in detail for avoiding repetition.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in the embodiments of the present application.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. The auxiliary cell adding method is characterized by being applied to a terminal, wherein the terminal comprises N SIM cards, and N is an integer greater than 1; the method comprises the following steps:

transmitting first frequency band information to network equipment, wherein the first frequency band information comprises SIM card capability information, terminal capability information and registration frequency band information, the registration frequency band information indicates the registration frequency band of each SIM card, the SIM card capability information indicates the frequency band supported by each SIM card, and the terminal capability information indicates the frequency band supported by the terminal;

receiving first priority information sent by the network equipment, wherein the first priority information at least indicates the selection priority of at least two first cells matched with the first frequency band information;

and adding and activating a secondary cell according to the first priority information, wherein the secondary cell is one of the at least two first cells.

2. The method of claim 1, wherein the first priority information comprises first information indicating a first selection priority, and second information indicating a second selection priority;

the second information indicates a cell in a registered frequency band of at least one of the SIM cards.

3. The method of claim 1, wherein the first priority information comprises first information indicating a first selection priority, third information indicating a third selection priority, and fourth information indicating a fourth selection priority;

the third selection priority is higher than the fourth selection priority;

the third information indicates a cell in a registration frequency band of a main SIM card of the N SIM cards;

4. The method of claim 1, wherein after adding and activating secondary cells according to the first priority information, the method further comprises:

acquiring SIM card capability information, terminal capability information and registered frequency band information of the terminal under the condition that the registered frequency band of at least one SIM card in the N SIM cards changes or fifth information sent by the network equipment is received, so as to obtain second frequency band information, and sending the second frequency band information to the network equipment;

The fifth information is used for indicating the terminal to acquire the SIM card capability information, the terminal capability information and the registration frequency band information of the terminal.

5. A secondary cell addition method, applied to a network device, the method comprising:

receiving first frequency band information sent by a terminal, wherein the first frequency band information comprises SIM card capability information, terminal capability information and registration frequency band information, the registration frequency band information indicates the registration frequency band of each of N SIM cards of the terminal, the SIM card capability information indicates the frequency band supported by each SIM card, the terminal capability information indicates the frequency band supported by the terminal, and N is an integer greater than 1;

and sending first priority information to the terminal based on the first frequency band information, wherein the first selection priority at least indicates the selection priorities of at least two first cells, and the first cells are matched with the first frequency band information.

6. The method of claim 5, wherein the transmitting first priority information to the terminal based on the first frequency band information comprises:

determining at least two first cells matched with the SIM card capability information and the terminal capability information;

Determining the selection priority of the at least two first cells based on the registered frequency band information and the frequency band of each first cell, and generating first priority information;

and sending the first priority information to the terminal.

7. The method of claim 6, wherein the determining the selection priorities of the at least two first cells based on the registration frequency band information and the frequency band in which each of the first cells is located, and generating the first priority information, comprises:

generating first information indicating a first selection priority and second information indicating a second selection priority based on the registered frequency band information and the frequency band in which each first cell is located;

8. The method of claim 6, wherein the determining the selection priorities of the at least two first cells based on the registration frequency band information and the frequency band in which each of the first cells is located, and generating the first priority information, comprises:

Generating first information indicating a first selection priority, third information indicating a third selection priority and fourth information indicating a fourth selection priority based on the registered frequency band information and the frequency band in which each first cell is located;

9. The method of claim 5, wherein after the sending the first priority information to the terminal, the method further comprises:

under the condition that the frequency band of a cell in which at least one of the N SIM cards is registered changes, fifth information is sent to the terminal, wherein the fifth information is used for indicating the terminal to acquire the SIM card capability information, the terminal capability information and the registered frequency band information of the terminal;

and receiving second frequency band information sent by the terminal, wherein the second frequency band information comprises SIM card capability information, terminal capability information and registration frequency band information of the terminal, which are acquired by the terminal.

10. The method of claim 9, wherein after receiving the second frequency band information sent by the terminal, the method further comprises:

and under the condition that the terminal has added the auxiliary cell, if the frequency band of the auxiliary cell added by the terminal is at least partially the same as the frequency band of the cell registered by each SIM card, second priority information is sent to the terminal based on the second frequency band information, and the second priority information at least indicates the selection priority of at least two second cells matched with the second frequency band information.

11. The auxiliary cell adding device is characterized by being applied to a terminal, wherein the terminal comprises N SIM cards, and N is an integer greater than 1; the device comprises: the device comprises a sending module, a receiving module and a processing module;

the sending module is configured to send first frequency band information to a network device, where the first frequency band information includes SIM card capability information, terminal capability information, and registered frequency band information, the registered frequency band information indicates a registered frequency band of each SIM card, the SIM card capability information indicates a frequency band supported by each SIM card, and the terminal capability information indicates a frequency band supported by the terminal;

The receiving module is configured to receive first priority information sent by the network device, where the selection priority information indicates at least selection priorities of at least two first cells that are matched with the first frequency band information sent by the sending module;

the processing module is configured to add and activate a secondary cell according to the first priority information received by the receiving module, where the secondary cell is one of the at least two first cells.

12. The apparatus of claim 11, wherein the first priority information comprises first information indicating a first selection priority, and second information indicating a second selection priority;

13. The apparatus of claim 11, wherein the first priority information comprises first information indicating a first selection priority, third information indicating a third selection priority, and fourth information indicating a fourth selection priority;

the third selection priority is higher than the fourth selection priority;

14. The apparatus of claim 11, wherein the processing module is further configured to obtain, after adding and activating a secondary cell according to the first priority information, SIM card capability information, terminal capability information, and registered frequency band information of the terminal when a registered frequency band of at least one SIM card of the N SIM cards changes or when fifth information sent by the network device is received, so as to obtain second frequency band information;

the sending module is further configured to send the second frequency band information obtained by the processing module to the network device;

15. A secondary cell addition apparatus for use with a network device, the apparatus comprising: a receiving module and a transmitting module;

the receiving module is configured to receive first frequency band information sent by a terminal, where the first frequency band information includes SIM card capability information, terminal capability information, and registered frequency band information, where the registered frequency band information indicates a registered frequency band of each of N SIM cards of the terminal, the SIM card capability information indicates a frequency band supported by each SIM card, and the terminal capability information indicates a frequency band supported by the terminal, where N is an integer greater than 1;

the sending module is configured to send first priority information to the terminal based on the first frequency band information received by the receiving module, where the first selection priority at least indicates selection priorities of at least two first cells, and the first cells are matched with the first frequency band information.

16. The apparatus of claim 15, wherein the apparatus further comprises: a processing module;

the processing module is used for determining at least two first cells matched with the SIM card capability information and the terminal capability information received by the receiving module;

The processing module is further configured to determine a selection priority of the at least two first cells based on the registered frequency band information received by the receiving module and the frequency band where each first cell is located, and generate the first priority information;

the sending module is specifically configured to send the first priority information obtained by the processing module to the terminal.

17. The apparatus according to claim 16, wherein the processing module is configured to generate first information indicating a first selection priority and second information indicating a second selection priority based on the registered frequency band information and a frequency band in which each of the first cells is located;

18. The apparatus according to claim 16, wherein the processing module is configured to generate first information indicating a first selection priority, third information indicating a third selection priority, and fourth information indicating a fourth selection priority, based on the registered frequency band information and a frequency band in which each of the first cells is located;

19. The apparatus according to claim 15, wherein the sending module is further configured to send fifth information to the terminal when a frequency band in which a cell registered by at least one of the N SIM cards is located changes after sending the first priority information to the terminal, where the fifth information is used to instruct the terminal to reacquire SIM card capability information, terminal capability information, and registered frequency band information of the terminal;

the receiving module is further configured to receive second frequency band information sent by the terminal, where the second frequency band information includes SIM card capability information, terminal capability information, and registration frequency band information of the terminal, where the SIM card capability information, the terminal capability information, and the registration frequency band information are acquired by the terminal.

20. The apparatus of claim 19, wherein the sending module is further configured to send second priority information to the terminal based on the second frequency band information, where the second priority information indicates at least selection priorities of at least two second cells that match the second frequency band information, if a frequency band in which a secondary cell that has been added by the terminal is at least partially the same as a frequency band in which a cell registered by each SIM card is located, in a case where the terminal has added the secondary cell after the receiving module receives the second frequency band information sent by the terminal.

21. A terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, performs the steps of the secondary cell addition method of any one of claims 1 to 4.

22. A network device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the secondary cell addition method of any one of claims 5 to 10.

23. A readable storage medium, characterized in that the readable storage medium has stored thereon a program or instructions which, when executed by a processor, implement the steps of the secondary cell addition method according to any of claims 1 to 4 or the steps of the secondary cell addition method according to any of claims 5 to 10.