WO2023020245A1

WO2023020245A1 - Cell camping method and apparatus, and mobile terminal and storage medium

Info

Publication number: WO2023020245A1
Application number: PCT/CN2022/108674
Authority: WO
Inventors: 张闯德
Original assignee: Oppo广东移动通信有限公司
Priority date: 2021-08-19
Filing date: 2022-07-28
Publication date: 2023-02-23
Also published as: CN115708382A

Abstract

Provided in the present disclosure are a cell camping method and apparatus, and a mobile terminal and a storage medium. The cell camping method comprises: receiving a system information block of a first cell, which system information block is sent by a network side (S1); on the basis of determining that the system information block of the first cell does not carry timer and constant information, configuring the first cell to an access forbidden state (S2); and on the basis of determining that a plurality of cells in a first batch are all in the access forbidden state, attempting to camp on the first cell.

Description

Cell camping method, device, mobile terminal and storage medium

Cross References to Related Applications

This disclosure claims the priority of the Chinese patent application filed on August 19, 2021 with the application number 202110956577.X and titled "Cell Resident Method, Device, Mobile Terminal, and Storage Medium", the entire contents of which are incorporated by reference in In this disclosure.

technical field

The present disclosure relates to the field of communication technologies, and in particular, to a cell camping method, a computer-readable storage medium, a mobile terminal, and a cell camping device.

Background technique

Usually, a user terminal (User Equipment, UE) needs to decide whether to camp in the current cell by judging whether the cell camping condition is satisfied during the processes of starting up, disconnecting from the network, and re-establishing. Among them, when the user terminal (that is, the mobile terminal) determines that the current cell is suitable for camping according to the System Information Block (SIB) sent by the network side, but the information block does not contain timer and constant information (ue-TimersAndConstants), When the user terminal initiates services such as making a call, browsing the web, or video in the current cell, if the signal at the location is weak, the user terminal will undergo a re-establishment process, and during the re-establishment process, the user terminal will fail to receive the timer The wireless link cannot be detected due to the effective value, and in severe cases, there may even be disconnection or other problems that cannot provide network services, which affects the user experience.

public content

The present disclosure aims to solve one of the technical problems in the related art at least to a certain extent.

Therefore, the first purpose of the present disclosure is to propose a method for camping on a cell. By setting the first cell that does not carry timer and constant information as prohibited from accessing, it is possible to prevent the user terminal from doing heavy work on the first cell. During the establishment process, if you encounter disconnection or other problems that cannot provide network services, at the same time, when the first batch of multiple cells are prohibited from accessing, try to reside in the first cell to ensure that users can obtain basic network services , improving the user experience.

A second object of the present disclosure is to propose a computer-readable storage medium.

The third object of the present disclosure is to provide a mobile terminal.

The fourth object of the present disclosure is to provide a device for camping on a cell.

In order to achieve the above purpose, the embodiment of the first aspect of the present disclosure proposes a cell camping method, the method includes: S1, receiving the system information block of the first cell sent by the network side; S2, based on determining the system information block of the first cell does not carry timer and constant information, and sets the first cell as forbidden to access; S3, based on determining that the first batch of multiple cells are all forbidden to access, try to camp on the first cell.

According to the cell camping method of the embodiment of the present disclosure, the system information block of the first cell received from the network side does not carry timer and constant information, and the first cell is set as a prohibited access cell, which can avoid the user When the terminal encounters disconnection or other problems that cannot provide network services during the re-establishment process on the first cell, and when the first batch of multiple cells are prohibited from accessing, try to camp on the first cell, It can ensure that users can obtain basic network services and improve user experience.

According to an embodiment of the present disclosure, the cell camping method further includes: performing between S2 and S3: the mobile terminal searches for a network to determine a first batch of multiple cells.

According to an embodiment of the present disclosure, the network finding by the mobile terminal includes: the mobile terminal receives a message from the second cell; and based on determining that the second cell is a detectable cell, adding the second cell to the first batch of multiple cells.

According to an embodiment of the present disclosure, the method for camping on a cell further includes: based on determining that the first cell can be camped on, the mobile terminal obtains mobile communication services through the first cell.

According to an embodiment of the present disclosure, performing camping on the first cell includes: determining that the first cell can camp on when the first cell satisfies a first preset camping condition.

According to an embodiment of the present disclosure, the first preset residency condition includes: (1) The public land mobile network PLMN of the first cell is an optional PLMN provided by the non-access stratum, or a registered PLMN, or an equivalent PLMN list (2) The reference signal received power and reference signal received quality of the first cell meet the requirements of the S criterion; (3) The tracking area code of the first cell is not in the list of prohibited access cells for roaming provided by the non-access stratum ; (4) The first cell is not in the list of prohibited cells.

According to an embodiment of the present disclosure, the first cell is placed in the list of prohibited access cells based on meeting any of the following conditions: (1) the mobile terminal cannot receive the main message block sent by the network side; (2) the mobile terminal The received main message block indicates that the access prohibition flag is 1; (3) the mobile terminal cannot receive the first system information block sent by the network side; (4) the first system information block received by the mobile terminal does not carry tracking (5) The network supports a frequency offset of 7.5khz, but the mobile terminal does not; (6) The first system information block does not carry timer and constant information.

In order to achieve the above purpose, the embodiment of the second aspect of the present disclosure proposes a computer-readable storage medium, on which a cell resident program is stored. When the cell resident program is executed by a processor, the cell resident described in the above embodiments is realized. method.

According to the computer-readable storage medium of the embodiment of the present disclosure, when the stored cell resident program is executed by the processor, by executing the cell resident program described in the above embodiment, by setting the first cell that does not carry timer and constant information to In order to prohibit access, it is possible to prevent the user terminal from being disconnected from the network or other problems that cannot provide network services during the re-establishment process on the first cell. Trial camping in a cell can ensure that users can obtain basic network services and improve user experience.

To achieve the above purpose, the embodiment of the third aspect of the present disclosure proposes a mobile terminal, the terminal includes a memory, a processor, and a cell resident program stored in the memory and operable on the processor, and the processor executes the cell resident program. When staying in the program, implement the cell camping method described in the above embodiment.

According to the mobile terminal of the embodiment of the present disclosure, when the stored cell residency program is executed by the processor, by executing the cell residency program described in the above embodiment, by setting the first cell that does not carry timer and constant information as prohibited access, which can prevent the user terminal from being disconnected from the network or other problems that cannot provide network services during the re-establishment process on the first cell. At the same time, when the first batch of multiple cells are prohibited from accessing, the Trial residency can ensure that users can obtain basic network services and improve user experience.

To achieve the above purpose, the embodiment of the fourth aspect of the present disclosure proposes a cell camping device, which includes: a receiving module configured to receive the system information block of the first cell sent by the network side; a camping determination module configured to : Based on the determination that the system information block of the first cell does not carry timer and constant information, set the first cell as forbidden to access; based on the determination that the first batch of multiple cells are all forbidden to access, try the first cell stay.

According to the device for camping on a cell according to an embodiment of the present disclosure, the system information block of the first cell sent by the network side is received through the receiving module, and the system information block of the first cell does not carry timer and constant information through the camping determination module, Set the first cell as forbidden to access, and determine that the first batch of multiple cells are forbidden to access, try to camp on the first cell, so that by setting the first cell that does not carry timer and constant information as forbidden access, which can prevent the user terminal from being disconnected from the network or other problems that cannot provide network services during the re-establishment process on the first cell. At the same time, when the first batch of multiple cells are prohibited from accessing, the Trial residency is performed to ensure that users can obtain basic network services and improve user experience.

Description of drawings

The above and/or additional aspects and advantages of the present disclosure will become apparent and understandable from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic flow diagram of a cell camping method according to an embodiment of the present disclosure;

FIG. 2 is a schematic flowchart of a cell camping method according to a specific embodiment of the present disclosure;

Fig. 3 is a schematic diagram of a cell camping device according to an embodiment of the present disclosure.

Detailed ways

The present disclosure is made based on the inventor's knowledge and research on the following issues:

Usually, the user terminal needs to decide whether to camp on the current cell by judging whether the cell camping condition is satisfied during the processes of starting up, disconnecting from the network, and re-establishing. Wherein, after the user terminal receives the system information block (which may include information blocks such as the first system information block and the second system information block) sent by the network side, since the user terminal does not check whether the system information block contains timer and constant information, Therefore, when other conditions are met, the cell will be considered suitable for camping, and subsequent services will be initiated in the cell, such as making calls, browsing web pages, or videos. When the user terminal makes a call, browses the web, or videos, etc., if the location information of the user terminal is weak, the user terminal will initiate a re-establishment process, and in the re-establishment process, T310, N310, T311, N311, etc. The value of the timer.

It should be noted that, according to the 3GPP (3rd Generation Partnership Project, third-generation partnership project) agreement, the values of timers such as T310, N310, T311, and N311 will be reset from the radio resource control (Radio Resource Control Reconfiguration, rrcReconfiguration) message and the first system information block. For example, if the values of these timers are provided in the radio resource control reset message, use the timer values in the radio resource control reset message; otherwise, use the timer values provided by the first system information. Among them, the radio resource control reset message is sent to the user terminal through the network to modify the network connection parameters, and the special cell configuration in the master cell group (masterCellGroup) in the non-critical extension (nonCriticalExtension) in the radio resource control reset message The radio link failure timers and constants (rlf-TimersAndConstants, Radio Link Failure) in (spCellConfig, Special Cell Config) include the values of timers such as T310, N310, T311, and N311.

However, the timer and constant information in the first system information module are optional configurations, so when the radio resource control reset message and the first system information module do not provide timer values such as T310, N310, T311, and N311 , the user terminal will not be able to detect the wireless link for a long time due to the inability to obtain the value of the timer, and eventually disconnection or other phenomena that cannot provide network services may occur, which affects user experience. Based on this, the present disclosure provides a cell camping method. By setting the first cell that does not carry timer and constant information as access prohibition, it can effectively prevent the user terminal from encountering In case of disconnection or other problems that cannot provide network services, at the same time, when the first batch of multiple cells are prohibited from accessing, try to reside in the first cell, which can ensure that users can obtain basic network services and improve user experience.

Fig. 1 is a schematic flowchart of a cell camping method according to an embodiment of the present disclosure.

As shown in Figure 1, the cell camping method may include the following steps:

S1. Receive the system information block of the first cell sent by the network side.

Specifically, when performing cell search and camping, the user terminal receives the system information block of the first cell sent by the network side, including cell selection related information, cell access related information, and the like.

S2. Based on determining that the system information block of the first cell does not carry timer and constant information, set the first cell to be prohibited from accessing.

That is to say, when the system information block of the cell does not include timer and constant information, the cell is directly set as prohibited from accessing. Specifically, a cell that does not contain timer and constant information is added to the list of prohibited access cells, that is, the cell is set as a prohibited access, so that the user terminal can avoid being disconnected from the network or Other problems that cannot provide network services.

In this embodiment, after setting the first cell as prohibited from accessing, the mobile terminal continues to search for a network to determine the first batch of multiple cells.

Further, the network search by the mobile terminal includes: the mobile terminal receives a message from the second cell; based on determining that the second cell is a detectable cell, adding the second cell to the first batch of multiple cells. Specifically, after the first cell is set to prohibit access, the user terminal searches for information about other surrounding cells, that is, cells that are not prohibited from being accessed by the user terminal and can be detected, and add the above cells to the first batch of multiple cells. In the cell, to find a resident cell.

S3. Based on determining that the first batch of multiple cells are all forbidden to access, try to camp on the first cell.

That is to say, all detectable cells searched by the user terminal are in the prohibited access list, that is, none of these cells can be camped on, and only the first cell is tried to camp on, so as to avoid the situation that the user terminal has no service , while ensuring that users can get basic network services.

In this embodiment, by setting the first cell that does not carry timer and constant information as access prohibition, it is possible to prevent the user terminal from encountering disconnection or other problems that cannot provide network services during the re-establishment process on the cell. At the same time, when the first batch of multiple cells are prohibited from accessing, try to camp on the first cell, which can ensure that the user can obtain basic network services and improve user experience.

In some embodiments, performing camping on the first cell includes: determining that the first cell can camp on when the first cell satisfies a first preset camping condition.

Specifically, when it is determined that the first batch of multiple cells are prohibited from accessing, the first cell is removed from the list of cells prohibited from accessing, and when the first cell meets the first preset residence condition, the first cell is determined It can be camped on. At this time, try to camp on the first cell, so as to prevent the user terminal from going offline or other phenomena that cannot provide network services when the first cell is re-established directly, and at the same time ensure that the user can obtain the basic network service, improving the user experience.

Optionally, in some embodiments, the first preset residency condition includes: (1) the public land mobile network PLMN (Public Land Mobile Network, public land mobile network) of the first cell is a non-access stratum (Non-Access stratum) Stratum, NAS) provides an optional PLMN (i.e. Select PLMN), or a registered PLMN (i.e. the last resident RPLMN), or one of the equivalent PLMN list (i.e. Equivalent PLMN list); (2) The reference signal receiving power (Reference Signal Receiving Power, RSRP) and reference signal receiving quality (Reference Signal Receiving Quality, RSRQ) of a cell meet the requirements of the S criterion; (3) the tracking area code of the first cell is not provided by the non-access stratum Roaming Forbidden Tracking Areas for Roaming list (Forbidden Tracking Areas for Roaming list); (4) The first cell is not in the Forbidden Tracking Areas for Roaming list, that is, the cell is not forbidden to access.

Further, based on meeting any of the following conditions, it is determined that the first cell is in the access prohibited cell list:

(1) The mobile terminal cannot receive the Master Information Block (MIB) sent by the network side. It should be noted that the main message block is sent to the user terminal by the network side, and the user terminal needs to receive the main message block first when performing cell search and camping.

(2) The main message block received by the mobile terminal indicates that the access barred flag (cellBarred) is 1.

(3) The mobile terminal cannot receive the first system information block sent by the network side. It should be noted that the first system information block is sent from the network side to the user terminal, and the user terminal also needs to receive the first system information block after receiving the main information block when performing cell search and camping.

(4) The first system information block received by the mobile terminal does not carry a tracking area code (trackingAreaCode). It should be noted that the tracking area code is located in the PLMN identity list information (PLMN-IdentityInfo) in the PLMN identity list (plmn-IdentityList) in the cell access related information (cellAccessRelatedInfo) in the first system information block sent by the network side , used to indicate the tracking area code value of the cell.

(5) The network supports a frequency shift of 7.5khz (frequencyShift7p5khz), but the mobile terminal does not. It should be noted that the frequency offset of 7.5khz is in the frequency band configuration (frequencyInfoUL) of the frequency band bandwidth class in the uplink configuration common (uplinkConfigCommon) information element in the common information (servingCellConfigCommon) of the serving cell of the first system information block , used to indicate whether a frequency offset of 7.5khz is supported.

(6) The first system information block does not carry timer and constant information.

In some embodiments, the cell camping method further includes: based on determining that the first cell can be camped on, the mobile terminal acquires mobile communication services through the first cell.

Specifically, when the system information block of the first cell does not carry timer and constant information and the first batch of multiple cells are all forbidden to access, try to camp on the first cell. When the first cell meets the first preset camping condition, it is determined that the first cell can be camped on, and at this time the mobile terminal obtains mobile communication services through the first cell; or, carrying timer and constant information in the system information of the first cell And when the first cell satisfies the camping condition, it is determined that the first cell can be camped on, and at this time, the mobile terminal obtains the mobile communication service through the first cell. In this way, it can prevent the user terminal from disconnecting from the network or other phenomena that cannot provide network services when the user terminal does the re-establishment process on the cell that does not carry timer and constant information. At the same time, it can ensure that the user can obtain basic network services and improve the user experience. .

In order to enable those skilled in the art to understand the present disclosure more clearly, as a specific example, as shown in FIG. 2 , the cell camping method may include the following steps:

Step S10, the user terminal receives the system information block of the first cell sent by the network side.

Step S11, the user terminal judges whether the system information block of the first cell provides timer and constant information. If yes, execute step S12; otherwise, execute step S13.

Step S12, the user terminal judges whether the first cell satisfies the camping condition. If so, go to step S18, otherwise go to step S14.

In step S13, the user terminal sets the first cell as forbidden to access.

Step S14, the user terminal searches for a network, that is, the user terminal searches for detectable cells, and adds the detectable cells to the first batch of multiple cells.

Step S15, judging whether the first batch of multiple cells are all prohibited from access. If yes, execute step S16; otherwise, execute step S17.

Step S16, camping on the first cell is attempted. That is, when the first cell satisfies the first preset camping condition (specifically as described above, which will not be repeated here), it is determined that the first cell can be camped on, and the user terminal obtains mobile communication services through the first cell.

Step S17, judging whether the cells in the first batch of cells that are not prohibited from accessing meet the camping conditions. If so, execute step S18, otherwise, return to step S16.

It should be noted that a cell that is not prohibited from accessing, that is, the cell is not in the access prohibited cell list.

In step S18, it is determined that the cell can be camped on, and the user terminal obtains mobile communication services through the cell.

In this embodiment, when the user terminal finds that the current cell does not carry timer and constant information when receiving the system information block of the cell, it does not camp in the cell, and sets the cell as a prohibited access cell, and then the cell Add it to the list of prohibited access cells, so as to avoid unexpected problems such as disconnection when doing the rebuilding process on the cell; at the same time, after trying to stay in all cells, the timer and constant will not be carried The information cell is removed from the forbidden access list and tries to reside in the cell, so as to ensure that the user terminal obtains basic network services. In short, this embodiment does not camp on cells that do not carry timer and constant information, and tries to camp only when all cells do not meet the camping conditions, thereby preventing the user terminal from re-establishing on the current cell Unexpected phenomena such as disconnection occur during the process to ensure that users can get basic network services.

To sum up, according to the cell camping method of the embodiment of the present disclosure, the first cell is set as forbidden to access according to the received first system information block of the first cell sent by the network side, and the detectable When it is determined that all cells are prohibited from accessing, try to camp on cells that do not carry timer and constant information, so as to prevent user terminals from going offline or other failures to provide network services during the re-establishment process on the current cell This phenomenon ensures that users can obtain basic network services and improves user experience.

Embodiments of the present disclosure also provide a computer-readable storage medium on which a cell camping program is stored, and when the cell camping program is executed by a processor, the cell camping method described in the foregoing embodiments is implemented.

Embodiments of the present disclosure also provide a mobile terminal, which includes a memory, a processor, and a cell resident program stored in the memory and operable on the processor. When the processor executes the cell resident program, the The cell camping method described in the above embodiments.

An embodiment of the present disclosure also provides a cell camping device, which is applied to a mobile terminal. Referring to FIG. 3 , the cell camping device 1 includes: a receiving module 10 and a camping determination module 20 .

Wherein, the receiving module 10 is configured to receive the system information block of the first cell sent by the network side. The residency determination module 20 is configured to: determine that the system information block of the first cell does not carry timer and constant information, set the first cell as forbidden to access; , try to camp on the first cell.

In some embodiments, the camping determination module 20 is configured to: search for a network after setting the first cell as prohibited from access, so as to determine the first batch of multiple cells.

In some embodiments, the camping determining module 20 is configured to: receive a message from the second cell; and based on determining that the second cell is a detectable cell, add the second cell to the first plurality of cells.

In some embodiments, the camping determination module 20 is further configured to: obtain mobile communication services through the first cell based on determining that the first cell is campable.

In some embodiments, the camping determining module 20 is further configured to: determine that the first cell can camp on when the first cell satisfies a first preset camping condition.

In some embodiments, the first preset camping conditions include: (1) The public land mobile network PLMN of the first cell is an optional PLMN provided by the non-access stratum, or is a registered PLMN, or is in the equivalent PLMN list One; (2) The reference signal received power and the reference signal received quality of the first cell meet the requirements of the S criterion; (3) The tracking area code of the first cell is not in the list of prohibited access cells for roaming provided by the non-access stratum; ( 4) The first cell is not in the list of cells prohibited from accessing.

In some embodiments, the camping determination module 20 is configured to: place the first cell in the list of prohibited access cells based on meeting any of the following conditions: (1) The mobile terminal cannot receive the main message block sent by the network side (2) The main message block received by the mobile terminal indicates that the access prohibition flag is 1; (3) The mobile terminal cannot receive the first system information block sent by the network side; (4) The first system information block received by the mobile terminal The information block does not carry the tracking area code; (5) the network supports a frequency offset of 7.5khz, but the mobile terminal does not; (6) the first system information block does not carry timer and constant information.

It should be noted that, for the description of the cell camping apparatus in the present disclosure, please refer to the description of the cell camping method in the present disclosure, and details are not repeated here.

According to the device for camping on a cell according to an embodiment of the present disclosure, the receiving module receives the system information block of the first cell sent by the network side, and uses the camping determining module according to the timing not carried in the system information block of the first cell received by the receiving module. set the first cell to be prohibited from accessing, and when it is determined that all detectable cells cannot reside, remove the cells that do not carry the timer and constant information from the list of prohibited access cells, and Try to camp on a cell that does not carry timer and constant information, so as to avoid the problem that the user terminal is disconnected from the network or other problems that cannot provide network services during the re-establishment process on the current cell, and ensures that the user can obtain basic network services. Improved user experience.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present disclosure, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

Any process or method descriptions in flowcharts or otherwise described herein may be understood to represent a module, segment or portion of code comprising one or more executable instructions for implementing custom logical functions or steps of a process , and the scope of preferred embodiments of the present disclosure includes additional implementations in which functions may be performed out of the order shown or discussed, including substantially concurrently or in reverse order depending on the functions involved, which shall It is understood by those skilled in the art to which the embodiments of the present disclosure pertain.

The logic and/or steps represented in the flowcharts or otherwise described herein, for example, can be considered as a sequenced listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium, For use with instruction execution systems, devices, or devices (such as computer-based systems, systems including processors, or other systems that can fetch instructions from instruction execution systems, devices, or devices and execute instructions), or in conjunction with these instruction execution systems, devices or equipment for use. For the purposes of this specification, a "computer-readable medium" may be any device that can contain, store, communicate, propagate or transmit a program for use in or in conjunction with an instruction execution system, device or device. More specific examples (non-exhaustive list) of computer-readable media include the following: electrical connection with one or more wires (electronic device), portable computer disk case (magnetic device), random access memory (RAM), Read Only Memory (ROM), Erasable and Editable Read Only Memory (EPROM or Flash Memory), Fiber Optic Devices, and Portable Compact Disc Read Only Memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program can be printed, since the program can be read, for example, by optically scanning the paper or other medium, followed by editing, interpretation or other suitable processing if necessary. processing to obtain the program electronically and store it in computer memory.

It should be understood that various parts of the present disclosure may be implemented in hardware, software, firmware or a combination thereof. In the embodiments described above, various steps or methods may be implemented by software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware as in another embodiment, it can be implemented by any one or a combination of the following techniques known in the art: a discrete Logic circuits, ASICs with suitable combinational logic gates, Programmable Gate Arrays (PGA), Field Programmable Gate Arrays (FPGA), etc.

Those of ordinary skill in the art can understand that all or part of the steps carried by the methods of the above embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium. During execution, one or a combination of the steps of the method embodiments is included.

In addition, each functional unit in each embodiment of the present disclosure may be integrated into one processing module, each unit may exist separately physically, or two or more units may be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. If the integrated modules are realized in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium.

The storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, and the like. Although the embodiments of the present disclosure have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present disclosure, and those skilled in the art can understand the above-mentioned embodiments within the scope of the present disclosure. The embodiments are subject to changes, modifications, substitutions and variations.

Claims

A cell camping method, applied to a mobile terminal, the method includes:

S1. Receive the system information block of the first cell sent by the network side;

S2. Based on determining that the system information block of the first cell does not carry timer and constant information, set the first cell to prohibit access;

S3. Perform camping on the first cell based on determining that the first batch of multiple cells are all prohibited from access.
The cell camping method according to claim 1, wherein the method further comprises:

Execute between S2 and S3:

The mobile terminal searches for a network to determine the first batch of multiple cells.
The cell camping method according to claim 2, wherein the mobile terminal finding a network comprises:

the mobile terminal receives a message from the second cell;

Adding the second cell to the first plurality of cells based on determining that the second cell is a detectable cell.
The cell camping method according to claim 1, wherein the method further comprises:

Based on determining that the first cell can be camped on, the mobile terminal obtains mobile communication services through the first cell.
The cell camping method according to claim 1, wherein performing camping on the first cell includes:

When the first cell satisfies a first preset camping condition, it is determined that the first cell can camp on.
The cell camping method according to claim 5, wherein the first preset camping condition comprises:

(1) The public land mobile network PLMN of the first cell is an optional PLMN provided by the non-access stratum, or a registered PLMN, or one of the equivalent PLMN lists;

(2) The reference signal received power and reference signal received quality of the first cell meet the requirements of the S criterion;

(3) The tracking area code of the first cell is not in the list of prohibited access cells for roaming provided by the non-access stratum;

(4) The first cell is not in the access-forbidden cell list.
The cell camping method according to claim 6, wherein the first cell is placed in a list of prohibited access cells based on meeting any of the following conditions:

(1) The mobile terminal cannot receive the main message block sent by the network side;

(2) The main message block received by the mobile terminal indicates that the access prohibition flag is 1;

(3) The mobile terminal cannot receive the first system information block sent by the network side;

(4) The tracking area code is not carried in the first system information block received by the mobile terminal;

(5) The network supports a frequency offset of 7.5khz, but the mobile terminal does not;

(6) The first system information block does not carry timer and constant information.
A computer-readable storage medium on which a cell residency program is stored, and when the cell residency program is executed by a processor, the cell residency method according to any one of claims 1-7 is realized.
The mobile terminal includes a memory, a processor, and a cell resident program stored on the memory and operable on the processor. When the processor executes the cell resident program, it realizes any one of claims 1-7. The cell camping method described above.
The device for residing in a cell is applied in a mobile terminal, and the device includes:

a receiving module configured to receive the system information block of the first cell sent by the network side;

The residency determination module is configured as:

Setting the first cell to prohibit access based on determining that the system information block of the first cell does not carry timer and constant information;

Based on determining that the first batch of multiple cells are all forbidden to access, camping on the first cell is attempted.