CN108738092B

CN108738092B - Network switching method and related product

Info

Publication number: CN108738092B
Application number: CN201810580421.4A
Authority: CN
Inventors: 陈燕绿
Original assignee: Oppo Chongqing Intelligent Technology Co Ltd
Current assignee: Oppo Chongqing Intelligent Technology Co Ltd
Priority date: 2018-06-07
Filing date: 2018-06-07
Publication date: 2021-05-04
Anticipated expiration: 2038-06-07
Also published as: CN108738092A

Abstract

The embodiment of the application provides a network switching method and a related product, wherein the network switching method comprises the following steps: receiving reported data of the electronic device, wherein the reported data comprises a call quality evaluation parameter and a first signal strength value of a first cell in which the electronic device is located; judging whether the electronic device meets a first preset switching condition or not according to the call quality evaluation parameter or the first signal intensity value; if not, comprehensively judging whether the electronic device meets a second preset switching condition or not according to the call quality evaluation parameter and the first signal intensity value; when the first or second preset switching condition is met, a cell switching instruction is sent to the electronic device, and through the embodiment of the application, the call quality can be improved.

Description

Network switching method and related product

Technical Field

The present application relates to the field of mobile communications technologies, and in particular, to a network switching method and a related product.

Background

With the continuous development of information technology, electronic devices (such as mobile phones) have become a necessity in the daily life of the public. When a user uses an electronic device to perform a call, the user may encounter a situation where the call quality is poor, and in such a situation, the electronic device needs to perform a cell switch.

In a cell handover method of a Global System for Mobile communications (GSM), when an electronic device needs to perform cell handover during a call, only the signal strength of the electronic device in a local cell and the signal strength of a neighboring cell are considered, when the signal strength of the neighboring cell is higher than the signal strength of the local cell and lasts for a period of time, the electronic device is subjected to cell handover, and after the electronic device is handed over to a cell with better signal strength, a phenomenon that a call voice is continuously blocked often occurs, which causes a reduction in call quality.

Disclosure of Invention

The embodiment of the application provides a network switching method and a related product, which can improve the communication quality.

A first aspect of an embodiment of the present application provides a network switching method, where the network switching method includes:

receiving reported data of an electronic device, wherein the reported data comprises a call quality evaluation parameter and a first signal strength value of a first cell in which the electronic device is located;

judging whether the electronic device meets a first preset switching condition or not according to the call quality evaluation parameter or the first signal intensity value;

if not, comprehensively judging whether the electronic device meets a second preset switching condition or not according to the call quality evaluation parameter and the first signal intensity value;

and sending a cell switching instruction to the electronic device when the first or second preset switching condition is met.

A second aspect of an embodiment of the present application provides a network switching method, where the network switching method includes:

sending reported data to network equipment, wherein the reported data comprises a call quality evaluation parameter and a first signal strength value of a first cell in which an electronic device is located;

receiving a cell switching instruction of the network equipment, wherein the cell switching instruction is sent out when the electronic device meets a first or second preset switching condition, the meeting of the first preset switching condition is judged according to whether the call quality evaluation parameter or the first signal strength value is met, and the meeting of the second preset switching condition is comprehensively judged according to the call quality evaluation parameter and the first signal strength value;

and carrying out cell switching according to the cell switching instruction.

A third aspect of embodiments of the present application provides a network device, which includes a receiving unit, a first judging unit, a second judging unit, and a transmitting unit, wherein,

the device comprises a receiving unit, a processing unit and a processing unit, wherein the receiving unit is used for receiving reported data of an electronic device, and the reported data comprises a call quality evaluation parameter and a first signal strength value of a first cell where the electronic device is located;

the first judging unit is used for judging whether the electronic device meets a first preset switching condition or not according to the call quality evaluation parameter or the first signal intensity value;

a second judging unit, configured to comprehensively judge whether the electronic device satisfies a second preset switching condition according to the call quality evaluation parameter and the first signal strength value if none of the call quality evaluation parameters satisfies the first preset switching condition;

and the sending unit is used for sending a cell switching instruction to the electronic device when the first or second preset switching condition is met.

A fourth aspect of embodiments of the present application provides an electronic apparatus including a transmitting unit, a receiving unit, and a switching unit, wherein,

the device comprises a sending unit, a receiving unit and a processing unit, wherein the sending unit is used for sending reported data to network equipment, and the reported data comprises call quality evaluation parameters and a first signal intensity value of a first cell where an electronic device is located;

a receiving unit, configured to receive a cell handover instruction of the network device, where the cell handover instruction is sent when the electronic apparatus meets a first or second preset handover condition, the meeting of the first preset handover condition is determined according to whether any one of the call quality evaluation parameter and the first signal strength value is met, and the meeting of the second preset handover condition is determined comprehensively according to the call quality evaluation parameter and the first signal strength value;

and the switching unit is used for carrying out cell switching according to the cell switching instruction.

A fifth aspect of embodiments of the present application provides a network device, including a processor, a memory, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the programs include instructions for performing the steps in the first aspect of embodiments of the present application.

A sixth aspect of embodiments of the present application provides a mobile terminal comprising a processor, a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, and the programs comprise instructions for performing the steps of the second aspect of embodiments of the present application.

A seventh aspect of embodiments of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program makes a computer perform part or all of the steps as described in the first aspect or the second aspect of embodiments of the present application.

An eighth aspect of embodiments of the present application provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps as described in the first or second aspect of embodiments of the present application. The computer program product may be a software installation package.

According to the embodiment of the application, the reported data of the electronic device are received, wherein the reported data comprise call quality evaluation parameters and a first signal strength value of a first cell where the electronic device is located; judging whether the electronic device meets a first preset switching condition or not according to the call quality evaluation parameter or the first signal intensity value; if not, comprehensively judging whether the electronic device meets a second preset switching condition or not according to the call quality evaluation parameter and the first signal intensity value; and when the first or second preset switching condition is met, sending a cell switching instruction to the electronic device, so that the intelligence and reliability of network switching can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 provides a schematic diagram of a network topology according to an embodiment of the present application;

fig. 2A is a schematic flowchart of a network handover method according to an embodiment of the present application;

fig. 2B is a flowchart illustrating a method for determining candidate cells according to an embodiment of the present disclosure;

fig. 2C is a flowchart illustrating another method for determining candidate cells according to an embodiment of the present disclosure;

fig. 3A is a schematic flowchart of a network handover method according to an embodiment of the present application;

fig. 3B is a flowchart illustrating a method for handover to a target cell according to an embodiment of the present application;

fig. 3C is a flowchart illustrating another method for handing over to a target cell according to an embodiment of the present application;

fig. 4A is an interaction diagram of a network handover method according to an embodiment of the present application;

fig. 4B is a flowchart illustrating another network handover method according to an embodiment of the present application;

fig. 4C is a schematic flowchart of another network handover method according to an embodiment of the present application;

fig. 5A is a schematic structural diagram of a mobile terminal according to an embodiment of the present application;

fig. 5B is a schematic structural diagram of a network device according to an embodiment of the present application;

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

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

fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The electronic device according to the embodiments of the present application may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem, and various forms of User Equipment (UE), Mobile Stations (MS), terminal equipment (terminal device), and so on. For convenience of description, the above-mentioned apparatuses are collectively referred to as electronic devices.

The network device according to the embodiments of the present application may include a base station with a wireless communication function, a mobile switching center, and the like, and may also be a hub, a switch, a bridge, a router, and the like, and for convenience of description, the above-mentioned devices are collectively referred to as a network device.

The Block error rate (Ber) is the percentage of the erroneous Block in all transmitted blocks.

In order to better understand the embodiments of the present application, a brief description of a network handover method according to the embodiments of the present application is first provided below. As shown in fig. 1, fig. 1 provides a schematic diagram of a network topology according to an embodiment of the present application. When a user uses the electronic device 101 to make a call in the GSM system, the electronic device 101 periodically reports the call quality evaluation parameter of the first cell where the user is located, the first signal strength value of the first cell, and the second signal strength values of a plurality of neighboring cells of the first cell to the network device 102, where the call quality evaluation parameter includes an error rate or a block error rate, and the higher the error rate or the block error rate is, the lower the corresponding call quality evaluation parameter value is, after receiving the call quality evaluation parameter of the first cell, the first signal strength value of the first cell, and the second signal strength values of the plurality of neighboring cells reported by the electronic device 101, the network device 102 determines the signal strength value of the first cell where the electronic device 101 is located, and when determining the call quality evaluation parameter or the signal strength value, and satisfying a first or a second preset handover condition, it is determined that the electronic apparatus 101 needs to perform cell switching. Then, a plurality of candidate cells are determined from the plurality of neighboring cells, a cell handover command is sent to the electronic device 101, the cell handover command carries cell identifiers and reference handover priorities of the plurality of candidate cells, the cell identifiers may include cell identification codes and other parameters that may identify the cells, after receiving the cell handover command sent by the network device 102, the electronic device 101 analyzes the cell identifiers and the reference handover priorities of the candidate cells from the cell handover command, and switches from the first cell to a target cell in the candidate cells according to the cell identifiers and the reference priorities.

Optionally, the condition that the call quality evaluation parameter or the signal strength value satisfies the first preset handover condition may be: judging whether the call quality evaluation parameter is lower than a first quality threshold or whether the first signal strength value is lower than a first strength threshold, if so, the electronic device meets a first preset switching condition; the call quality evaluation parameter or the signal strength value meeting the second preset switching condition may be: judging whether the call quality evaluation parameter is lower than a second quality threshold value, wherein the second quality threshold value is higher than the first quality threshold value; judging whether the first signal intensity value is lower than a second intensity threshold value, wherein the second intensity threshold value is higher than the first intensity threshold value; if both of them are true, the electronic device satisfies a second predetermined switching condition.

Optionally, a method for calculating a call quality evaluation parameter value may be: the block error rate is used as an example for explanation,

y＝1-x(1)；

wherein, y is a call quality evaluation parameter value, and x is a block error rate. Namely, when the block error rate is 20%, the corresponding call quality evaluation parameter value is 0.8; when the block error rate is 10%, the corresponding call quality evaluation parameter value is 0.9.

Optionally, the first quality threshold may be 0.8, the first intensity threshold may be-100 dBm, the second quality threshold may be 0.9, and the second intensity threshold may be-90 dBm. Of course, the first preset range and the second preset range are only examples, and other ranges are also possible, and are not limited herein.

Referring to fig. 2A, fig. 2A is a schematic flowchart illustrating a network handover method according to an embodiment of the present application. As shown in fig. 2A, the network handover method includes the steps of:

201. the method comprises the steps of receiving reported data of an electronic device, wherein the reported data comprise call quality evaluation parameters and a first signal strength value of a first cell where the electronic device is located.

The call quality evaluation parameter may include a block error rate of the electronic device, an error rate of the electronic device during data transmission, and the like, and the signal strength value of the first cell in which the electronic device is located is a signal strength value of a current location of the electronic device in the first cell.

202. And judging whether the electronic device meets a first preset switching condition or not according to the call quality evaluation parameter or the first signal intensity value.

The determining whether the electronic device satisfies the first predetermined handover condition may include: and judging whether the call quality evaluation parameter is lower than a first quality threshold or whether the first signal strength value is lower than a first strength threshold, if so, the electronic device meets a first preset switching condition. The call quality evaluation parameter comprises an error rate or a block error rate, and the higher the error rate or the block error rate is, the lower the corresponding call quality evaluation parameter value is.

Optionally, taking the call quality parameter as the block error rate as an example for description, the first quality threshold may be represented by BerT2, the first strength threshold may be represented by RpT1, the BerT2 may be specifically 0.8, and the RpT1 may be specifically-100 dBm, and then determining whether the call quality evaluation parameter or the first signal strength value determines whether the electronic apparatus satisfies the first preset handover condition may specifically be as follows: when the call quality evaluation parameter value is lower than 0.8 or the signal intensity value is lower than-100 dBm, the electronic device can be judged to meet the first preset switching condition.

203. And if not, comprehensively judging whether the electronic device meets a second preset switching condition or not according to the call quality evaluation parameter and the first signal intensity value.

Wherein, comprehensively determining whether the electronic device satisfies the second predetermined switching condition according to the call quality evaluation parameter and the first signal strength value may include steps 2031-2033, which are specifically as follows:

2031. judging whether the call quality evaluation parameter is lower than a second quality threshold value, wherein the second quality threshold value is higher than the first quality threshold value;

alternatively, the second quality threshold may be represented by BerT1, and the second quality threshold may be 0.88, 0.86, 0.9, or the like.

Alternatively, a plurality of reference quality thresholds may be set, for example, the interval between the second quality threshold and the first quality threshold may be equally divided into a plurality of sub-intervals, for example, 5 sub-intervals may be equally divided, and the end point of each sub-interval may be set as the reference quality threshold. Therefore, a plurality of switching judgment methods can be set, and more refined switching judgment is realized. The above description is only for illustration, and other interval division methods may be included, which are not described herein again.

2032. Judging whether the first signal intensity value is lower than a second intensity threshold value, wherein the second intensity threshold value is higher than the first intensity threshold value;

optionally, the second intensity threshold may be represented by RpT2, which may be-90 dBm, -95dBm, or-96 dBm, etc.

Alternatively, a plurality of reference intensity thresholds may be set, for example, the interval between the second intensity threshold and the first intensity threshold may be equally divided into a plurality of sub-intervals, for example, 5 sub-intervals may be equally divided, and the end point of each sub-interval may be set as the reference intensity threshold. Therefore, a plurality of switching judgment methods can be set, and more refined switching judgment is realized. The above description is only for illustration, and other interval division methods may be included, which are not described herein again.

2033. If both of them are true, the electronic device satisfies a second predetermined switching condition.

204. And sending a cell switching instruction to the electronic device when the first or second preset switching condition is met.

Optionally, the reporting data further includes: before sending the cell handover command to the electronic device, the second signal strength values of the second cells in the neighboring area of the first cell, where the signal strength values of the second cells are signal strength values of the second cells received by the electronic device at the current location, may further include steps 204A-204B, which are specifically as follows:

204A, determining a plurality of candidate cells from the plurality of second cells according to the second signal strength values of the plurality of second cells, wherein each candidate cell has a unique reference switching priority, and the reference switching priorities of different candidate cells are different;

optionally, determining a plurality of candidate cells from the plurality of second cells according to the second signal strength values of the plurality of second cells may include steps a1-A3, as shown in fig. 2B, as follows:

a1, extracting a plurality of reference signal strength values which are larger than a preset signal strength value from the second signal strength values of the plurality of second cells;

the preset signal strength value may be set according to a first signal strength value of the first cell, and one possible setting method is as follows: determining a first signal strength value and

magnitude relation if the first signal strength value is less than

Then the preset signal strength value is set to

If the first signal strength value is greater than the first signal strength value

The preset signal strength value is set to RpT 1. Of course, the predetermined signal strength value may also be set directly by the system, for example, it may be set to-90 dBm, but the predetermined signal strength value needs to be greater than the first signal strength value. The preset signal strength value may also be set to a value greater than 5dBm of the first signal strength value.

A2, acquiring the maximum value and the second maximum value in the plurality of reference signal intensity values;

and A3, if the maximum value is higher than the second maximum value of the preset multiple, determining second cells except for the cell corresponding to the maximum value in the second cells corresponding to the multiple reference signal strength values as candidate cells.

The preset multiple may be, for example, a value between 1.5 and 2.5.

In general, the signal strength value sent by the pseudo base station is higher than the signal strength value sent by the normal base station, the pseudo cell derived from the pseudo base station can be distinguished through the relationship between the maximum value and the second maximum value of the signal strength values in the plurality of second cells, namely, the maximum value is higher than the second maximum value of the preset multiple, and the pseudo cell derived from the pseudo base station is excluded when the candidate cell is selected, so that the condition of call drop after the electronic device is switched to the pseudo cell can be reduced to a certain extent, and meanwhile, as the pseudo base station is forged by illegal molecules, fraud activity is undertaken, the pseudo cell derived from the pseudo base station is removed, and the safety of the electronic device can also be improved to a certain extent.

Optionally, determining a plurality of candidate cells from the plurality of second cells according to the second signal strength values of the plurality of second cells may include steps B1-B3, as shown in fig. 2C, specifically as follows:

b1, extracting a plurality of cells corresponding to a plurality of second signal strength values larger than the preset signal strength value as a plurality of reference cells;

alternatively, the preset signal strength value may be set with reference to the setting manner in step a 1.

B2, acquiring cell identification codes of the plurality of reference cells and prestored cell identification codes of adjacent cells of the first cell;

the network device may send a cell identification code acquisition request to the reference cell, so as to acquire the cell identification codes of the multiple reference cells. The cell identification codes of the neighboring cells of the first cell may be stored in a cell identification code database in the network device, and if other cells are added to the first cell, the cell identification codes of the newly added neighboring cells may also be updated to the neighboring cell identification code database, thereby implementing the update of the template.

B3, if the target reference cell exists, determining a plurality of reference cells except the target reference cell as a plurality of candidate cells, wherein the target reference cell is a cell whose cell identification code does not match with the cell identification codes of the adjacent cells.

The target reference cell is a cell whose cell identification code does not match with the cell identification code of the neighboring cell, and it can be understood that the cell identification code of the target reference cell does not exist in the cell identification code database, so that the cell can be determined to be a pseudo cell derived from the pseudo base station.

The pseudo cell derived by the pseudo base station can be judged by identifying the cell identification code of the reference cell, so that when the candidate cell is selected, the pseudo cell is removed, and the safety of the electronic device can be improved to a certain extent.

204B, generating the cell switching instruction according to the cell identifications of the candidate cells and the reference switching priority.

Optionally, the cell switching instruction carries the cell identifiers and the reference switching priorities of the multiple candidate cells. Each candidate cell has a unique reference handover priority, the reference handover priorities of different candidate cells are different, and the reference handover priority of each candidate cell may be determined, for example, by: the reference switching priority of the candidate cells is set according to the sequence from high signal strength value to low signal strength value, the reference switching priority of the candidate cell with high signal strength value is high, and the reference switching priority of the candidate cell with low signal strength value is low.

Referring to fig. 3A, fig. 3A is a schematic flowchart of a network handover method according to an embodiment of the present application. As shown in fig. 3A, the network handover method may include the following steps:

301. and sending reported data to the network equipment, wherein the reported data comprises the call quality evaluation parameters and a first signal strength value of a first cell in which the electronic device is located.

Optionally, the call quality evaluation parameter may include a block error rate, an error rate, and the like.

302. Receiving a cell switching instruction of the network equipment, wherein the cell switching instruction is sent out when the electronic device meets a first or second preset switching condition, the meeting of the first preset switching condition is judged according to whether the call quality evaluation parameter or the first signal strength value is met, and the meeting of the second preset switching condition is comprehensively judged according to the call quality evaluation parameter and the first signal strength value.

303. And carrying out cell switching according to the cell switching instruction.

Optionally, each candidate cell has a different reference handover priority, and the reference handover priority of each candidate cell may be determined, for example, by: setting the reference switching priority of the candidate cells according to the sequence from high signal strength values to low signal strength values, wherein the reference switching priority of the candidate cells with high signal strength values is high, and the reference switching priority of the candidate cells with low signal strength values is low;

optionally, another method for determining the reference handover priority may be: and setting the reference switching priority of the candidate cells according to the sequence from high carrier-to-interference ratio to low carrier-to-interference ratio, wherein the candidate cells with high carrier-to-interference ratio have high reference switching priority, and the candidate cells with low carrier-to-interference ratio have low reference switching priority.

Optionally, performing cell handover according to the cell handover command may include steps C1-C2, as shown in fig. 3B, specifically as follows:

c1, determining the target cell from the candidate cells according to the reference switching priority;

optionally, according to the reference priority of the candidate cell, the candidate cell with the highest reference handover priority is used as the target cell.

C2, switching from the first cell to the target cell according to the cell identification of the target cell.

Optionally, according to the cell identifier of the target cell, if the handover from the first cell to the target cell fails, the electronic device selects a candidate cell with a second highest priority from the candidate cells as the target cell, and performs the handover to a new target cell, and this is repeated until the handover is successful.

The method can avoid that the electronic device can be switched to the first cell after the electronic device fails to switch to the target cell again, then the electronic device can report the call quality evaluation parameter, the signal intensity value of the first cell and the signal intensity value of the adjacent cell again, and the network equipment selects the target cell for switching for the electronic device after receiving the data, thereby improving the efficiency of the electronic device in cell switching to a certain degree.

Optionally, performing cell handover according to the cell handover command may include steps D1-D4, as shown in fig. 3C, specifically as follows:

d1, the electronic device obtains current signal strength values of the candidate cells according to the cell identifiers in the candidate cells.

Optionally, after receiving the cell handover command and analyzing the cell identifiers of the multiple candidate cells carried in the cell handover, the electronic device obtains the candidate cells represented by the cell identifiers of the candidate cells according to the cell identifiers of the multiple candidate cells, and then obtains the current signal strength values of the multiple candidate cells.

D2, determining the target switching priority of the candidate cells according to the current signal strength value.

D3, if the target switching priority is different from the reference switching priority, and the candidate cell with the highest priority in the target switching priority is different from the candidate cell with the highest priority in the reference switching priority, acquiring the identifier of the target cell according to the target switching priority.

And D4, switching from the first cell to the target cell according to the identification of the target cell.

The electronic device obtains the current signal intensity value of the candidate cell, generates the target switching priority according to the current signal intensity value, and determines the target cell according to the target switching priority if the target switching priority is different from the reference switching priority, so that the electronic device can be switched to the cell with the highest current signal intensity value in the candidate cell, and the switching efficiency and the switching quality of the electronic device can be improved.

Referring to fig. 4A, fig. 4A is an interaction diagram of a network handover method according to an embodiment of the present application. As shown in fig. 4A, the network handover method includes the following steps:

401. and sending reported data to the network equipment, wherein the reported data comprises call quality evaluation parameters, a first signal strength value of the electronic device in a first cell and second signal strength values of a plurality of second cells in adjacent areas of the first cell.

When the electronic device is in a call state, the electronic device acquires call quality evaluation parameters, a first signal strength value of a first cell where the electronic device is located and second signal strength values of a plurality of second cells. The second cell is a neighboring cell of the first cell, the call quality evaluation parameter is a call quality evaluation parameter when the electronic device makes a call in the first cell, and the call quality evaluation parameter may be a block error rate, an error rate, or the like.

402. The network equipment receives the reported data and judges whether the electronic device meets the first or second preset switching condition according to the reported data.

403. And if the network equipment judges that the electronic device meets the first or second preset switching condition, generating a cell switching instruction according to second signal strength values of a plurality of second cells.

Optionally, the method for the network device to determine whether the electronic apparatus meets the first preset switching condition may be: and judging whether the call quality evaluation parameter is lower than a first quality threshold or whether the first signal strength value is lower than a first strength threshold, if so, the electronic device meets a first preset switching condition.

Optionally, the method for the network device to determine whether the electronic apparatus meets the second preset condition may be: judging whether the call quality evaluation parameter is lower than a second quality threshold value, wherein the second quality threshold value is higher than the first quality threshold value; judging whether the first signal intensity value is lower than a second intensity threshold value, wherein the second intensity threshold value is higher than the first intensity threshold value; if both of them are true, the electronic device satisfies a second predetermined switching condition.

Optionally, after it is determined that the electronic device needs to perform cell handover, a plurality of candidate cells are determined from the plurality of second cells according to the second signal strength values of the plurality of second cells, each candidate cell has a different reference handover priority, and then a cell handover instruction is generated according to the cell identifier of the reference cell and the reference handover priority.

404. The network device sends a cell switching instruction.

405. And the electronic device receives the cell switching command and performs cell switching according to the cell switching command.

Optionally, after receiving the cell switching instruction, the electronic device analyzes the cell switching instruction to obtain the cell identifiers and the reference switching priorities of the multiple candidate cells carried in the cell switching instruction.

Optionally, a method for performing cell handover according to a cell handover command may include the following steps: determining the target cell from the plurality of candidate cells according to the reference handover priority; and switching from the first cell to the target cell according to the cell identification of the target cell.

According to the reference priority of the candidate cells, the candidate cell with the highest reference switching priority is used as a target cell, and according to the cell identifier of the target cell, if the switching from the first cell to the target cell fails, the electronic device selects the candidate cell with the second highest priority from the candidate cells as the target cell, switches to a new target cell, and the steps are repeated until the switching is successful.

Optionally, another method for performing cell handover according to the cell handover command may include the following steps: the electronic device acquires current signal strength values of the candidate cells according to the cell identifications in the candidate cells; determining target handover priorities of the candidate cells according to the current signal strength value; if the target switching priority is different from the reference switching priority and the candidate cell with the highest priority in the target switching priority is different from the candidate cell with the highest priority in the reference switching priority, acquiring the identifier of the target cell according to the target switching priority; and switching from the first cell to the target cell according to the identification of the target cell.

After receiving the cell handover command and analyzing cell identifiers of a plurality of candidate cells carried in cell handover, the electronic device obtains the candidate cells represented by the cell identifiers of the candidate cells according to the cell identifiers of the candidate cells, and then obtains current signal strength values of the candidate cells. According to the cell identification of the target cell, if the switching from the first cell to the target cell fails, the electronic device selects a candidate cell with the highest priority level from the candidate cells as the target cell, switches to a new target cell, and repeats the steps until the switching is successful.

It can be seen that, in this example, the call quality evaluation parameter, the first signal strength value of the first cell in which the electronic device is located, and the second signal strength values of a plurality of second cells that are neighboring to the first cell are reported to the network device, when the network device determines that the electronic device needs to perform cell handover according to the data and the first preset range handover condition and the second preset range handover condition, the network device determines candidate cells from the plurality of second cells, sets reference handover priorities for the candidate cells, where different candidate cells have different reference handover priorities, and generates a cell handover command carrying the reference priority identifier and the cell identifier of the candidate cell to the electronic device, and the electronic device performs cell handover according to the reference priority identifier and the cell identifier of the candidate cell, so that occurrence of call quality degradation after cell handover can be reduced, meanwhile, the intelligence and the reliability of cell switching can be improved, meanwhile, the electronic device can also obtain the signal intensity value of the candidate cell in real time according to the cell identification of the candidate cell, generate a target switching priority, compare the target switching priority with the reference switching priority, and if the target switching priority is different from the reference switching priority, execute cell switching by adopting the target switching priority, so that the efficiency of cell switching can be improved, and the occurrence of the situation that the call quality is reduced after cell switching is reduced to a certain extent.

Referring to fig. 4B, fig. 4B is a schematic flowchart of another network handover method according to an embodiment of the present application. As shown in fig. 4B, the network handover method includes:

410. setting each threshold value;

the thresholds are a first quality threshold, a second quality threshold, a first intensity threshold, a second intensity threshold, and the like, the first quality threshold may be set to 0.8, the second quality threshold may be set to 0.9, the first intensity threshold may be set to-100 dBm, the second intensity threshold may be set to-90 dBm, and the like, and of course, other thresholds in the foregoing embodiments may also be included, which is not described herein again.

420. Monitoring the received signal strength and the voice packet block error rate of a call terminal;

the received signal strength and the voice packet block error rate can be periodically detected, and the specific detection period can be set according to a communication standard.

430. Deciding whether to perform a handover;

optionally, before the decision is executed, the method may further include: conversion of block error rate to speech quality parameter value, a possible conversion

The method comprises the following steps:

y＝1-x (1)；

wherein, y is a call quality evaluation parameter value, and x is a block error rate.

Optionally, the condition for deciding whether to perform handover may be: judging whether the electronic device meets a first preset switching condition or not according to the call quality evaluation parameter or the first signal intensity value; if not, comprehensively judging whether the electronic device meets a second preset switching condition or not according to the call quality evaluation parameter and the first signal intensity value;

the step of determining whether the electronic device satisfies a first preset switching condition according to the call quality evaluation parameter or the first signal strength value may specifically be:

and judging whether the call quality evaluation parameter is lower than a first quality threshold or whether the first signal strength value is lower than a first strength threshold, if so, the electronic device meets a first preset switching condition.

The step of comprehensively judging whether the electronic device meets a second preset switching condition according to the call quality evaluation parameter and the first signal strength value may specifically be:

judging whether the call quality evaluation parameter is lower than a second quality threshold value, wherein the second quality threshold value is higher than the first quality threshold value; judging whether the first signal intensity value is lower than a second intensity threshold value, wherein the second intensity threshold value is higher than the first intensity threshold value; if both of them are true, the electronic device satisfies a second predetermined switching condition.

440. If so, executing the switching; and if the switching is not satisfied, continuing monitoring.

Referring to fig. 4C, fig. 4C is a schematic flowchart illustrating another network handover method according to an embodiment of the present application. As shown in fig. 4C, the network switching method includes the following steps:

411. the received signal strength thresholds RpT1 and RpT2 of the terminals are set (RpT1< RpT2), and the voice packet error rates of the terminals BerT1 and BerT2(BerT2< BerT 1).

Among them, RpT1 could be set to-100 dBm, RpT2 could be set to-90 dBm, BerT1 could be set to 20%, and BerT2 could be set to 10%.

412. And monitoring the conversation voice quality and the received signal strength of the terminal.

Wherein the call voice quality comprises a block error rate.

413. In the monitoring period, the received signal strength of the terminal is less than the threshold RpT1 or the voice packet block error rate of the terminal exceeds the threshold BerT 1?

Judging whether the received signal strength of the terminal is less than-100 dBm or whether the block error rate is greater than 20% in the detection period, and if the received signal strength is less than-100 dBm or the block error rate is greater than 20%, executing step 415; otherwise, step 414 is performed.

414. During the monitoring period, the received signal strength of the terminal is at (RpT1, RpT2) and the voice packet block error rate of the terminal is at (BerT2, BerT 1)?

Wherein, it is determined whether the received signal strength is (-100, -90) dBm and the block error rate is (10%, 20%), if yes, step 415 is executed; otherwise, step 416 is performed.

415. A switching operation is performed.

416. And the switching operation is not executed, and the monitoring is continued.

Through this embodiment, through setting up signal strength threshold value and pronunciation packet error block rate threshold value, then distinguish receiving signal strength and pronunciation packet error block rate at the terminal, if satisfy the judgement condition and then switch, if not satisfy the condition and then do not switch, consequently, in the current scheme, only switch through receiving signal strength and distinguish, can promote the intelligence and the reliability that the network switched.

Consistent with the above embodiments, please refer to fig. 5A, fig. 5A is a schematic structural diagram of a mobile terminal according to an embodiment of the present application, and as shown in the figure, the electronic device includes a processor, a memory, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the programs include instructions for performing the following steps;

and carrying out cell switching according to the cell switching instruction.

Consistent with the above embodiments, please refer to fig. 5B, where fig. 5B is a schematic structural diagram of a network device provided in an embodiment of the present application, the network device including a processor, a memory, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the programs include instructions for performing the following steps;

The above description has introduced the solution of the embodiment of the present application mainly from the perspective of the method-side implementation process. It is understood that the network device and the mobile terminal include corresponding hardware structures and/or software modules for performing the respective functions in order to implement the above-described functions. Those of skill in the art will readily appreciate that the present application is capable of hardware or a combination of hardware and computer software implementing the various illustrative elements and algorithm steps described in connection with the embodiments provided herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the embodiment of the present application, the network device and the mobile terminal may be divided into the functional units according to the above method examples, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.

In accordance with the above, please refer to fig. 6A, and fig. 6A is a schematic structural diagram of a network device according to an embodiment of the present application. The network device comprises a receiving unit 601, a first judging unit 602, a second judging unit 603 and a transmitting unit 604, wherein,

a receiving unit 601, configured to receive reported data of an electronic device, where the reported data includes a call quality evaluation parameter and a first signal strength value of a first cell in which the electronic device is located;

a first determining unit 602, configured to determine whether the electronic apparatus meets a first preset handover condition according to the call quality evaluation parameter or the first signal strength value;

a second determining unit 603, configured to comprehensively determine whether the electronic apparatus satisfies a second preset handover condition according to the call quality evaluation parameter and the first signal strength value if none of the call quality evaluation parameters satisfies the first preset handover condition;

a sending unit 604, configured to send a cell switching instruction to the electronic apparatus when the first or second preset switching condition is met.

Optionally, in the aspect of determining whether the electronic apparatus meets a first preset handover condition according to the call quality evaluation parameter or the first signal strength value, the first determining unit 602 is specifically configured to:

Optionally, in the aspect of comprehensively determining whether the electronic apparatus meets a second preset handover condition according to the call quality evaluation parameter and the first signal strength value, the second determining unit 603 is specifically configured to:

Optionally, the call quality evaluation parameter includes an error rate or a block error rate, and the higher the error rate or the block error rate is, the lower the call quality evaluation parameter value corresponding to the error rate or the block error rate is.

Optionally, please refer to fig. 6B, where fig. 6B provides a schematic structural diagram of another network device according to an embodiment of the present application. The reported data further includes second signal strength values of a plurality of second cells of the neighboring area of the first cell, the network device further includes a determining unit 605 and a generating unit 606, wherein,

a determining unit 605, configured to determine a plurality of candidate cells from the plurality of second cells according to the second signal strength values of the plurality of second cells, where each candidate cell has a unique reference handover priority, and reference handover priorities of different candidate cells are different;

a generating unit 606, configured to generate the cell switching instruction according to the cell identifiers of the multiple candidate cells and the reference switching priorities.

Optionally, in the aspect that a plurality of candidate cells are determined from the plurality of second cells according to the second signal strength values of the plurality of second cells, the determining unit 605 is specifically configured to: extracting a plurality of reference signal strength values which are larger than a first preset signal strength value from second signal strength values of the plurality of second cells; obtaining a maximum value and a second maximum value in the plurality of reference signal strength values; and if the maximum value is higher than the second maximum value of the preset multiple, determining second cells except the cell corresponding to the maximum value in the second cells corresponding to the multiple reference signal strength values as candidate cells.

Optionally, in the aspect that a plurality of candidate cells are determined from the plurality of second cells according to the second signal strength values of the plurality of second cells, the determining unit 605 is further specifically configured to: extracting a plurality of cells corresponding to second signal strength values larger than a second preset signal strength value from the second signal strength values of the plurality of second cells to obtain a plurality of reference cells; acquiring cell identification codes of the plurality of reference cells and prestored cell identification codes of adjacent cells of the first cell; and if the target reference cell exists, determining a plurality of reference cells except the target reference cell as a plurality of candidate cells, wherein the target reference cell is a cell of which the cell identification code is not matched with the cell identification codes of the adjacent cells.

Referring to fig. 7, fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic apparatus includes a transmitting unit 701, a receiving unit 702, and a switching unit 703, wherein,

a sending unit 701, configured to send reported data to a network device, where the reported data includes a call quality evaluation parameter and a first signal strength value of a first cell in which an electronic apparatus is located;

a receiving unit 702, configured to receive a cell handover instruction of the network device, where the cell handover instruction is sent when the electronic apparatus meets a first or second preset handover condition, the meeting of the first preset handover condition is determined according to whether any one of the call quality evaluation parameter and the first signal strength value is met, and the meeting of the second preset handover condition is determined comprehensively according to the call quality evaluation parameter and the first signal strength value;

a switching unit 703, configured to perform cell switching according to the cell switching instruction.

Optionally, the reported data further includes second signal strength values of a plurality of second cells in a neighboring area of the first cell, the cell handover command carries cell identifiers and reference handover priorities of a plurality of candidate cells, and in terms of performing cell handover according to the cell handover command, the handover unit 703 is specifically configured to:

determining the target cell from the plurality of candidate cells according to the reference handover priority;

and switching from the first cell to the target cell according to the cell identification of the target cell.

Optionally, in terms of the handover from the first cell to the target cell in the candidate cells, the handover unit 703 is further specifically configured to:

obtaining current signal strength values of the candidate cells according to the cell identifications in the candidate cells;

determining target handover priorities of the candidate cells according to the current signal strength value;

if the target switching priority is different from the reference switching priority and the candidate cell with the highest priority in the target switching priority is different from the candidate cell with the highest priority in the reference switching priority, acquiring the identifier of the target cell according to the target switching priority;

and switching from the first cell to the target cell according to the identification of the target cell.

It can be seen that, in this example, the call quality evaluation parameter, the first signal strength value of the first cell in which the electronic device is located, and the second signal strength values of a plurality of second cells are reported to the network device, where the second cells are neighboring cells of the first cell, and when the network device determines that the electronic device needs to perform network handover according to the data and the first preset handover condition and the second preset handover condition, the network device determines candidate cells from the plurality of second cells, and sets a reference handover priority for the candidate cells, where different candidate cells have different reference handover priorities, and generates a cell handover command carrying the reference priority and a cell identifier of the candidate cell to the electronic device, and the electronic device performs network handover according to the reference priority identifier and the cell identifier of the candidate cell, so as to reduce occurrence of call quality degradation after network handover, meanwhile, the intelligence and reliability of network switching can be improved.

Embodiments of the present application also provide a computer storage medium, where the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the network handover methods described in the above method embodiments.

Embodiments of the present application also provide a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, where the computer program causes a computer to execute some or all of the steps of any one of the network handover methods described in the above method embodiments.

It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.

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

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module.

The integrated units, if implemented in the form of software program modules and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned memory comprises: various media capable of storing program codes, such as a usb disk, a read-only memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and the like.

Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash memory disks, read-only memory, random access memory, magnetic or optical disks, and the like.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A method for network handover, the method comprising:

receiving reported data of an electronic device, wherein the reported data comprises call quality evaluation parameters of the electronic device when the electronic device is in a call in a first cell, a first signal strength value of the first cell where the electronic device is located, and second signal strength values of a plurality of second cells in an adjacent area of the first cell;

judging whether the electronic device meets a first preset switching condition according to the call quality evaluation parameter or the first signal strength value, wherein the judging step comprises the following steps: judging whether the call quality evaluation parameter is lower than a first quality threshold or whether the first signal strength value is lower than a first strength threshold, if so, the electronic device meets a first preset switching condition;

if not, comprehensively judging whether the electronic device meets a second preset switching condition according to the call quality evaluation parameter and the first signal intensity value, wherein the steps comprise: judging whether the call quality evaluation parameter is lower than a second quality threshold value, wherein the second quality threshold value is higher than the first quality threshold value; judging whether the first signal intensity value is lower than a second intensity threshold value, wherein the second intensity threshold value is higher than the first intensity threshold value; if both of them are true, the electronic device satisfies a second preset switching condition;

when the first or second preset switching condition is met, sending a cell switching instruction to the electronic device;

the method further comprises, before sending the cell handover instruction to the electronic device:

determining a plurality of candidate cells from the plurality of second cells according to the second signal strength values of the plurality of second cells, including: extracting a plurality of reference signal strength values which are larger than a first preset signal strength value from second signal strength values of the plurality of second cells; obtaining a maximum value and a second maximum value in the plurality of reference signal strength values; if the maximum value is higher than the second maximum value of a preset multiple, determining second cells except for the cell corresponding to the maximum value in the second cells corresponding to the multiple reference signal strength values as candidate cells; each candidate cell has a unique reference switching priority, and the reference switching priorities of different candidate cells are different; if the first signal strength value is smaller than the average value of the first strength threshold and the second strength threshold, the first preset signal strength value is the average value, and if the first signal strength value is larger than the average value, the first preset signal strength value is the first strength threshold;

and generating the cell switching instruction according to the cell identifications of the candidate cells and the reference switching priority.

2. The method of claim 1, wherein the call quality evaluation parameter comprises a bit error rate or a block error rate, and wherein the higher the bit error rate or the block error rate, the lower the call quality evaluation parameter value corresponding thereto.

3. The method of claim 1, wherein determining a plurality of candidate cells from the plurality of second cells according to the second signal strength values of the plurality of second cells comprises:

extracting a plurality of cells corresponding to second signal strength values larger than a second preset signal strength value from the second signal strength values of the plurality of second cells to obtain a plurality of reference cells;

acquiring cell identification codes of the plurality of reference cells and prestored cell identification codes of adjacent cells of the first cell;

and if the target reference cell exists, determining a plurality of reference cells except the target reference cell as a plurality of candidate cells, wherein the target reference cell is a cell of which the cell identification code is not matched with the cell identification codes of the adjacent cells.

4. A method for network handover, the method comprising:

sending reported data to network equipment, wherein the reported data comprises call quality evaluation parameters of an electronic device when the electronic device is in a call in a first cell, a first signal strength value of the first cell where the electronic device is located and second signal strength values of a plurality of second cells in adjacent areas of the first cell;

receiving a cell switching instruction of the network device, where the cell switching instruction is sent out when the electronic apparatus meets a first or second preset switching condition, and the meeting of the first preset switching condition is determined according to whether any one of the call quality evaluation parameter and the first signal strength value is met, including: judging whether the call quality evaluation parameter is lower than a first quality threshold or judging whether the first signal strength value is lower than a first strength threshold, if so, meeting a first preset switching condition, and if so, comprehensively judging according to the call quality evaluation parameter and the first signal strength value according to the meeting a second preset switching condition, wherein the method comprises the following steps: judging whether the call quality evaluation parameter is lower than a second quality threshold value, wherein the second quality threshold value is higher than the first quality threshold value; judging whether the first signal intensity value is lower than a second intensity threshold value, wherein the second intensity threshold value is higher than the first intensity threshold value; if both of them are true, the electronic device satisfies a second preset switching condition; the cell switching instruction is generated according to cell identifications of a plurality of candidate cells and a reference switching priority; the candidate cells are determined from the second cells according to the second signal strength values of the second cells, and include: extracting a plurality of reference signal strength values which are larger than a first preset signal strength value from second signal strength values of the plurality of second cells; obtaining a maximum value and a second maximum value in the plurality of reference signal strength values; if the maximum value is higher than the second maximum value of a preset multiple, determining second cells except for the cell corresponding to the maximum value in the second cells corresponding to the multiple reference signal strength values as candidate cells; each candidate cell has a unique reference switching priority, and the reference switching priorities of different candidate cells are different; if the first signal strength value is smaller than the average value of the first strength threshold and the second strength threshold, the first preset signal strength value is the average value, and if the first signal strength value is larger than the average value, the first preset signal strength value is the first strength threshold;

and carrying out cell switching according to the cell switching instruction.

5. An electronic device, comprising:

a sending unit, configured to send reporting data to a network device, where the reporting data includes a call quality evaluation parameter when the electronic apparatus performs a call in a first cell, a first signal strength value of the first cell where the electronic apparatus is located, and second signal strength values of multiple second cells in an adjacent area of the first cell;

a receiving unit, configured to receive a cell handover instruction of the network device, where the cell handover instruction is sent when the electronic apparatus meets a first or second preset handover condition, and the meeting of the first preset handover condition is determined according to whether any one of the call quality evaluation parameter and the first signal strength value is met, including: judging whether the call quality evaluation parameter is lower than a first quality threshold or judging whether the first signal strength value is lower than a first strength threshold, if so, meeting a first preset switching condition, and if so, comprehensively judging according to the call quality evaluation parameter and the first signal strength value according to the meeting a second preset switching condition, wherein the method comprises the following steps: judging whether the call quality evaluation parameter is lower than a second quality threshold value, wherein the second quality threshold value is higher than the first quality threshold value; judging whether the first signal intensity value is lower than a second intensity threshold value, wherein the second intensity threshold value is higher than the first intensity threshold value; if both of them are true, the electronic device satisfies a second preset switching condition; the cell switching instruction is generated according to cell identifications of a plurality of candidate cells and a reference switching priority; the candidate cells are determined from the second cells according to the second signal strength values of the second cells, and include: extracting a plurality of reference signal strength values which are larger than a first preset signal strength value from second signal strength values of the plurality of second cells; obtaining a maximum value and a second maximum value in the plurality of reference signal strength values; if the maximum value is higher than the second maximum value of a preset multiple, determining second cells except for the cell corresponding to the maximum value in the second cells corresponding to the multiple reference signal strength values as candidate cells; each candidate cell has a unique reference switching priority, and the reference switching priorities of different candidate cells are different; if the first signal strength value is smaller than the average value of the first strength threshold and the second strength threshold, the first preset signal strength value is the average value, and if the first signal strength value is larger than the average value, the first preset signal strength value is the first strength threshold;

6. A mobile terminal comprising a processor, memory, and one or more programs stored in the memory and configured for execution by the processor, the programs including instructions for performing the steps in the method of claim 4.