CN113784407A - Wireless access point switching method and device, mobile terminal and storage medium - Google Patents
Wireless access point switching method and device, mobile terminal and storage medium Download PDFInfo
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- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The present disclosure relates to a method, an apparatus, a mobile terminal and a storage medium for switching a wireless access point, including: responding to the mobile terminal connected to the first wireless access point and the mobile terminal moving, and determining displacement information of the mobile terminal in a preset area and received first signal strength information of the first wireless access point, wherein the preset area comprises: the network coverage area of the first wireless access point and the network coverage areas of a plurality of second wireless access points which can establish preset connection with the mobile terminal; the preset connection refers to an authenticated connection established with the mobile terminal; determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information in response to the first signal strength information being less than the strength threshold; and switching and connecting the mobile terminal to the target wireless access point. Therefore, the switching speed of the wireless access point is improved, the phenomena of no network or poor network signals and the like in the switching process are reduced, and the communication performance is improved.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for switching a wireless access point, a mobile terminal, and a computer-readable storage medium.
Background
With the rapid development of the WIFI technology, most mobile terminals currently support wireless network communication. In general, a mobile terminal can only be connected to one wireless access point at a time, and therefore, in an environment with multiple wireless access points simultaneously, after the mobile terminal initially selects one wireless access point, if the mobile terminal moves in position and the like, a network may be disconnected when different wireless access points are switched, and the mobile terminal needs to be reconnected to other wireless access points at intervals. Therefore, in the related art, during the period of switching the wireless access point, the mobile terminal has no network or poor network signal, which affects the internet access experience of the user. Therefore, how to quickly perform access switching between wireless access points in an environment with a plurality of wireless access points by a mobile terminal is an urgent technical problem to be solved.
Disclosure of Invention
According to a first aspect of the embodiments of the present disclosure, there is provided a method for switching a wireless access point, which is applied to a mobile terminal, and includes:
responding to the mobile terminal connected to a first wireless access point and the mobile terminal moving, and determining displacement information of the mobile terminal in a preset area and received first signal strength information of the first wireless access point, wherein the preset area comprises: the network coverage area of a first wireless access point and the network coverage areas of a plurality of second wireless access points which can establish preset connection with the mobile terminal; the preset connection refers to an authenticated connection established with the mobile terminal;
responding to the first signal strength information smaller than a strength threshold value, and determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information;
and switching and connecting the mobile terminal to the target wireless access point.
In the foregoing solution, the determining, in response to that the mobile terminal is connected to a first wireless access point and the mobile terminal moves, displacement information of the mobile terminal in a preset area and received first signal strength information of the first wireless access point includes:
detecting acceleration information of an acceleration sensor of the mobile terminal in response to the movement of the mobile terminal;
and determining the displacement information of the mobile terminal in the preset area according to the acceleration information.
In the above scheme, the method further comprises:
acquiring distribution information of each wireless access point in the preset area, wherein the wireless access point comprises: the first wireless access point or the second wireless access point;
the determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information includes:
and determining the target wireless access point to be switched from the plurality of second wireless access points according to the displacement information and the distribution information.
In the foregoing solution, the determining the target wireless access point to be switched from the plurality of second wireless access points according to the displacement information and the distribution information includes:
determining the target position of the mobile terminal according to the displacement information;
and determining the second wireless access point closest to the target position as the target wireless access point according to the target position and the distribution information.
In the foregoing solution, the acquiring the distribution information of each wireless access point in the preset area includes:
responding to the mobile terminal moving in at least two directions, and respectively detecting first strength change information of second signal strength of each wireless access point in each direction;
and determining distribution information of each wireless access point in the preset area according to the first strength change information of each wireless access point in each direction.
In the above scheme, determining the displacement information of the mobile terminal in the preset area includes:
determining a plurality of pieces of displacement information of the mobile terminal in the preset area according to a preset sampling period;
the determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information includes:
determining third signal strength information of the second wireless access point corresponding to each piece of displacement information according to the plurality of pieces of displacement information;
and determining the second wireless access point corresponding to the meeting of the access condition as the target wireless access point according to the third signal strength information corresponding to each piece of displacement information.
In the foregoing solution, the determining, according to the third signal strength information corresponding to each piece of the displacement information, the second wireless access point corresponding to an access condition that is met is taken as the target wireless access point includes:
determining second intensity change information of the second wireless access point according to the third intensity information corresponding to each piece of displacement information;
and taking the second wireless access point corresponding to the second strength change information indicating that the signal strength is changed from weak to strong and the third signal strength information is strongest as the target wireless access point.
According to a second aspect of the present disclosure, there is provided a handover apparatus for a wireless access point, which is applied in a mobile terminal, and includes:
a first determining module, configured to determine, in response to that the mobile terminal is connected to a first wireless access point and the mobile terminal moves, displacement information of the mobile terminal in a preset area and received first signal strength information of the first wireless access point, where the preset area includes: the network coverage area of a first wireless access point and the network coverage areas of a plurality of second wireless access points which can establish preset connection with the mobile terminal; the preset connection refers to an authenticated connection established with the mobile terminal;
a second determining module, configured to determine, in response to that the first signal strength information is smaller than a strength threshold, a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information;
and the connection module is used for switching the mobile terminal and connecting the mobile terminal with the target wireless access point.
In the foregoing solution, the first determining module is further configured to:
detecting acceleration information of an acceleration sensor of the mobile terminal in response to the movement of the mobile terminal;
and determining the displacement information of the mobile terminal in the preset area according to the acceleration information.
In the above scheme, the apparatus further comprises:
an obtaining module, configured to obtain distribution information of each wireless access point in the preset area, where the wireless access point includes: the first wireless access point or the second wireless access point;
the second determining module is further configured to:
and determining the target wireless access point to be switched from the plurality of second wireless access points according to the displacement information and the distribution information.
In the foregoing solution, the second determining module is specifically configured to:
determining the target position of the mobile terminal according to the displacement information;
and determining the second wireless access point closest to the target position as the target wireless access point according to the target displacement and the distribution information.
In the foregoing solution, the obtaining module further includes:
the detection submodule is used for responding to the movement of the mobile terminal in at least two directions and respectively detecting first strength change information of second signal strength of each wireless access point in each direction;
a first determining submodule, configured to determine distribution information of each wireless access point in the preset area according to the first strength variation information of each wireless access point in each direction.
In the foregoing solution, the first determining module is further configured to:
determining a plurality of pieces of displacement information of the mobile terminal in the preset area according to a preset sampling period;
the second determining module includes:
the second determining submodule is used for determining third signal strength information of the second wireless access point corresponding to each piece of displacement information according to the plurality of pieces of displacement information;
and a third determining submodule, configured to determine, according to the third signal strength information corresponding to each piece of the displacement information, the second wireless access point corresponding to the condition that meets the access requirement as the target wireless access point.
In the foregoing scheme, the third determining submodule is specifically configured to:
determining second intensity change information of the second wireless access point according to the third intensity information corresponding to each piece of displacement information;
and taking the second wireless access point corresponding to the second strength change information indicating that the signal strength is changed from weak to strong and the third signal strength information is strongest as the target wireless access point.
According to a third aspect of the present disclosure, there is provided a mobile terminal comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to: when the executable instruction is executed, the method for switching the wireless access point according to the embodiment of the disclosure is implemented.
According to a fourth aspect of the present disclosure, there is provided a computer-readable storage medium having an executable program, wherein the executable program, when executed by a processor, implements the method for handover of a wireless access point according to the present embodiment.
In the embodiment of the disclosure, by responding to that the mobile terminal is connected to a first wireless access point and the mobile terminal moves, determining displacement information of the mobile terminal in a preset area and received first signal strength information of the first wireless access point; and in response to the first signal strength information being less than a strength threshold, determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information; connecting the mobile terminal to the target wireless access point, wherein the preset area comprises: a network coverage area of a first wireless access point and a plurality of network coverage areas of a second wireless access point capable of establishing a connection with the mobile terminal; the preset connection refers to an authenticated connection established with the mobile terminal. Compared with the prior art, when the mobile terminal is switched between different wireless access points, the original network is disconnected, and the mobile terminal can be reconnected to other wireless access points after a period of time interval, in the embodiment of the disclosure, when the first signal strength information is smaller than the strength threshold, the target wireless access point to be switched is determined from the plurality of second wireless access points according to the displacement information, that is, when the first signal strength information is smaller than the strength threshold, the wireless access point corresponding to the current position of the mobile terminal is found by combining the displacement information, so that the mobile terminal can be assisted to quickly find the accurate target wireless access point, and the mobile terminal can be accurately switched to the target wireless access point. Meanwhile, the connection probing time required for initiating connection to a plurality of wireless access points simultaneously due to the fact that the wireless access points needing to be switched are searched in the switching process of the wireless access points is reduced, and the phenomenon of no network caused by connection interruption in the connection probing process is reduced, so that the switching speed of the wireless access points of the mobile terminal is increased, and the communication performance of the mobile terminal is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flow chart illustrating a method of handover of a wireless access point in accordance with an example embodiment;
fig. 2 is another flow chart illustrating a method of handoff of a wireless access point in accordance with an exemplary embodiment;
fig. 3 is a diagram illustrating a wireless access point handoff scenario in accordance with an exemplary embodiment;
fig. 4 is a block diagram illustrating a switching arrangement of a wireless access point in accordance with an exemplary embodiment;
fig. 5 is a block diagram illustrating a mobile terminal according to an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.
It should be noted that in some offices or public places, due to the limitation of the coverage area of a Wireless ACCESS POINT (AP) in WIFI, a plurality of Wireless ACCESS POINTs are generally deployed in these places. However, the same mobile terminal can only connect to one wireless access point at the same time, so when the mobile terminal moves in these places, different wireless access points can be switched according to the needs, and in the process of switching different wireless access points, the mobile terminal can evaluate each wireless access point, so as to find the most suitable wireless access point at the current position for access, and in the process, the network of the mobile terminal is disconnected, and a period of time is needed for connecting a new wireless access point. As such, the network transmission efficiency of the mobile terminal is affected, thereby affecting the communication performance of the mobile terminal.
The disclosed embodiments aim to: under the environment of a plurality of wireless access points, the switching speed of the wireless access points of the mobile terminal is improved, and further the communication performance of the mobile terminal is improved.
Fig. 1 is a flowchart illustrating a handover method of a wireless access point according to an exemplary embodiment, where the method is applied to a mobile terminal, as shown in fig. 1, and the method includes the following steps:
step 101: responding to the mobile terminal connected to a first wireless access point and the mobile terminal moving, and determining displacement information of the mobile terminal in a preset area and received first signal strength information of the first wireless access point, wherein the preset area comprises: the network coverage area of a first wireless access point and the network coverage areas of a plurality of second wireless access points which can establish preset connection with the mobile terminal; the preset connection refers to an authenticated connection established with the mobile terminal.
Here, the mobile terminal may be a mobile phone, a tablet computer, a notebook computer, or a wearable device; wherein, wearable equipment can be intelligent wrist-watch or intelligent bracelet etc.. It is to be understood that the mobile terminal may include all mobile terminals capable of connecting to a wireless network.
The wireless access point AP is a device providing a wireless access service in a wireless network, and is capable of providing data access and allowing a wireless terminal to access. It should be noted that the wireless access point AP may be a router, or may be a mobile terminal that opens a hot spot.
It should be noted that, since the mobile terminal stores the authentication information of the wireless access point when the mobile terminal is connected for the first time, when the wireless access point is connected with the mobile terminal for a non-first time, the mobile terminal does not need to perform re-authentication, and in this case, it can be indicated that the wireless access point and the mobile terminal have performed authentication. Based on this, in some embodiments, the predetermined connection, which refers to an authenticated connection established with the mobile terminal, may be understood as a non-first connection established with the mobile terminal.
It should be noted that, in the Mesh networking, since the Mesh networking uses two or more wireless access points to cooperatively work, any Mesh access point can be used as a data forwarding relay of other Mesh access points, and a mobile terminal is equivalent to connect all wireless access points in the whole Mesh network when being connected with any wireless access point in the Mesh networking, that is, when the mobile terminal is already authenticated and connected to any wireless access point in the Mesh networking, the mobile terminal does not need to be authenticated again when the connection of other wireless access points in the Mesh networking is switched. Based on this, in some embodiments, the preset connection refers to an authenticated connection established with the mobile terminal, and may also be understood as a Mesh networking connection established with the mobile terminal.
Here, the displacement information may include: moving direction information and moving distance information of the mobile terminal. For example, if the mobile terminal moves forward by 50 meters from the initial position, the displacement information may include: the moving direction information is forward movement, and the moving distance information is 50 meters.
Step 102: and responding to the condition that the first signal strength information is smaller than a strength threshold value, and determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information.
Here, the signal strength refers to the strength of the network signal transmitted by the wireless access point AP and received by the mobile terminal. The first signal strength here refers to the strength of the network signal received by the mobile terminal and transmitted to the first wireless access point.
It can be understood that the stronger the signal strength is, the stronger the network signal transmitted by the AP is received by the mobile terminal, and the better the communication performance of the corresponding mobile terminal is, that is, the better the communication speed and the communication quality are. Conversely, the weaker the signal strength is, the weaker the network signal transmitted by the AP is received by the mobile terminal, and the poorer the communication performance of the corresponding mobile terminal is, i.e. the poorer the communication speed and the communication quality are.
Here, the strength threshold may be a signal strength value corresponding to a close disconnection of the mobile terminal from the first wireless access point. Therefore, when the first signal strength is smaller than the strength threshold, the target wireless access point to be switched is determined from the plurality of second wireless access points according to the displacement information, and it can be considered that when the mobile terminal is not disconnected from the first wireless access point and is about to be disconnected from the first wireless access point, the target access point to be switched is found for the mobile terminal according to the current displacement information, so that the subsequent mobile terminal can be timely accessed to the target wireless access point, the time for searching the target wireless access point after disconnection is reduced, and the switching speed of the wireless access points is improved.
In some embodiments, in order to obtain the target wireless access point more timely, the strength threshold may be set to be greater than a signal strength value corresponding to a close disconnection of the mobile terminal from the first wireless access point by a preset value. Therefore, under the condition that the first signal strength is smaller than the strength threshold value, the target wireless access point to be switched is determined from the plurality of second wireless access points according to the displacement information, and it can be considered that the target access point to be switched is found for the mobile terminal according to the current displacement information under the condition that the network signal of the mobile terminal at the first wireless access point is not attenuated to the preset signal, so that the subsequent mobile terminal can be accessed to the target wireless access point in time, the phenomenon of poor network signal caused by the attenuation of the network signal of the first wireless access point is reduced, the switching speed of the wireless access points is increased, and the network quality during the switching of the wireless access points is improved. The preset signal may be a network signal provided by the first wireless access point and capable of performing network transmission of a preset data volume; the preset data amount here includes, but is not limited to, a data amount of at least one image of the mobile terminal.
Step 103: and switching and connecting the mobile terminal to the target wireless access point.
In some embodiments, the step 103 of handing over and connecting the mobile terminal to the target wireless access point may include: sending an instruction request to the mobile terminal for switching from the first wireless access point to the target wireless access point; and switching and connecting the mobile terminal to the target wireless access point according to the instruction request.
In the above embodiment, when the first signal strength information is smaller than the strength threshold, the target wireless access point to be switched is determined from the plurality of second wireless access points according to the displacement information of the mobile terminal, that is, when the first signal strength information is smaller than the strength threshold, the wireless access point corresponding to the current position of the mobile terminal is found by combining the displacement information. Therefore, the target wireless access point is determined by detecting the signal strength of each wireless access point at the current position without disconnecting the first wireless access point from the mobile terminal. Based on this, according to the embodiment of the disclosure, when the first signal strength information is smaller than the strength threshold, the target wireless access point can be quickly found by combining the position information of the mobile terminal, connection probing time required for initiating connection to a plurality of wireless access points simultaneously due to searching for the wireless access point to be switched in the switching process of the wireless access points is reduced, and a wireless phenomenon caused by connection interruption in the connection probing process is reduced, so that the switching speed of the wireless access points of the mobile terminal is increased, and the communication performance of the mobile terminal is improved.
In addition, it should be noted that, in some cases, the mobile terminal generally adopts the strongest access principle during the handover of the wireless access point, that is, accesses the wireless access point with the strongest signal at the current location.
Based on this, compared with the related art, in which the wireless access point with the strongest signal strength is taken as the target wireless access point, the embodiment of the disclosure combines the displacement information of the mobile terminal, and determines the target wireless access point according to the displacement information of the mobile terminal when the first signal strength information is smaller than the strength threshold, so that the target wireless access point adapted to the current position of the mobile terminal can be obtained more accurately, thereby obtaining the target wireless access point to be switched accurately, reducing the multiple switching phenomena caused by frequent changes of the wireless access point with the strongest signal strength due to changes of the signal strength, and improving the communication performance of the mobile terminal.
Therefore, in the above embodiment, when the first signal strength information is smaller than the strength threshold, the target wireless access point to be switched is determined by combining the displacement information of the mobile terminal, and the mobile terminal is switched and connected to the target wireless access point, so that the switching of the wireless access points can be accurately and rapidly performed in an environment with a plurality of wireless access points, and the communication performance of the mobile terminal is improved.
In some embodiments, determining displacement information of the mobile terminal may include: sending a displacement information request to preset equipment; based on the displacement information request, displacement information of the mobile terminal is received.
The preset device may be an image pickup device or the like in a preset area, and is used for photographing the mobile terminal in the preset area. For example, taking a shopping mall environment as an example, the preset device may be a monitoring system device deployed in a shopping mall, and the monitoring system device may obtain displacement information of the mobile terminal by shooting a path track of a holder of the mobile terminal.
In still other embodiments, the determining the displacement information of the mobile terminal in the preset area and the received first signal strength information of the first wireless access point in response to the mobile terminal being connected to the first wireless access point and the mobile terminal moving includes:
detecting acceleration information of an acceleration sensor of the mobile terminal in response to the movement of the mobile terminal;
and determining the displacement information of the mobile terminal in a preset area according to the acceleration information.
Here, the acceleration sensor may be one or more, and the acceleration sensor or the acceleration sensors may be used to measure the acceleration in each direction, so as to analyze the displacement information of the mobile terminal.
Therefore, according to the embodiment of the disclosure, the displacement information of the mobile terminal does not need to be measured by means of an external image, so that the switching function of the mobile terminal has higher universality.
In some embodiments, the method further comprises:
acquiring distribution information of each wireless access point in the preset area, wherein the wireless access point comprises: the first wireless access point or a second wireless access point;
the determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information includes:
and determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information and the distribution information.
It is understood that the distribution information of each wireless access point may be pre-stored in the mobile terminal; or the mobile terminal can obtain the information from the cloud.
Taking an application scene as a market scene as an example, a market can issue distribution information of the wireless access point to a cloud. However, since the wireless access point may malfunction for some reason, etc., in order to ensure the accuracy of the distribution information of the wireless access point, in other embodiments, the service end of the mall periodically publishes the distribution information of the wireless access point to the cloud.
Here, the distribution information of the wireless access point includes, but is not limited to: the identity of the wireless access point, the location where the wireless access point is located, and the like.
Therefore, in the embodiment of the present disclosure, the current location of the mobile terminal may be obtained according to the displacement information of the mobile terminal, and the location of each wireless access point may be obtained according to the distribution information of the wireless access points. Therefore, the mobile terminal can conveniently select the target wireless access point according to the current position of the mobile terminal and the distribution information of the wireless access points, so that the target wireless access point can be quickly found and the wireless access points can be switched.
In some embodiments, the obtaining distribution information of each wireless access point in the preset area includes:
responding to the mobile terminal moving in at least two directions, and respectively detecting first strength change information of second signal strength of each wireless access point in each direction;
and determining distribution information of each wireless access point in the preset area according to the first strength change information of each wireless access point in each direction.
The second signal strength here refers to the strength of the network signal received by the mobile terminal and transmitted to the wireless access point in the preset area.
Here, the first strength variation information may be understood as strength variation information in which the second signal strength of a certain wireless access point is generated along with the movement of the mobile terminal as the mobile terminal moves in a certain direction.
It can be understood that, when the mobile terminal moves along a certain direction, if the first strength variation information of the second signal strength of a certain wireless access point is that the second signal strength is weaker and weaker, it may indicate that the wireless access point is located at least in the opposite direction of the certain direction, and if the first strength variation information of the second signal strength of the wireless access point is that the second signal strength is stronger and stronger, it may indicate that the wireless access point is located at least in the certain direction.
For example, when the mobile terminal moves along a first direction, if the first strength variation information of the second signal strength of the wireless access point is that the second signal strength is weaker and weaker, the wireless access point is located in a direction opposite to the first direction; when the mobile terminal moves along the second direction, if the first strength variation information of the second signal strength of the wireless access point is that the second signal strength is stronger and stronger, the wireless access point is located in the second direction. In this manner, the approximate location of the wireless access point can be located in at least two directions. It will be appreciated that the more directions detected, the more accurately the location of the wireless access point can be located.
Referring to fig. 3, fig. 3 is a schematic view illustrating a handover scenario of a wireless access point according to an exemplary embodiment, as shown in fig. 3, when the mobile terminal 30 moves from the first wireless access point 31 to the second wireless access point 320, the first strength variation information of the first wireless access point 31 is that the second signal strength is weaker, and the first strength variation information of the second wireless access point 32 is that the second signal strength is stronger as the mobile terminal moves.
In some embodiments, the determining the target wireless access point to be switched from the plurality of second wireless access points according to the displacement information and the distribution information may include:
determining the target position of the mobile terminal according to the displacement information;
and determining the second wireless access point closest to the target position as the target wireless access point according to the target displacement and the distribution information.
It is understood that the target location is a location at which the mobile terminal is in close proximity to the first wireless access point for disconnection. It should be noted that, if the strength threshold is a signal strength value corresponding to the mobile terminal being disconnected from the first wireless access point, determining the target location of the mobile terminal according to the displacement information may include: and determining the current corresponding position of the displacement information as the target position according to the displacement information. If the strength threshold is set so that the signal strength value corresponding to the fact that the mobile terminal and the first wireless access point are close to being disconnected is greater than a preset value, determining the target position of the mobile terminal according to the displacement information may include: and determining the position obtained by adding a preset distance to the displacement information as the target position according to the displacement information. Here, the preset distance may be understood as a distance at which the first signal strength value is attenuated by the preset value.
In summary, the target location is the location where the mobile terminal is close to disconnecting from the first wireless access point, at which a handover of a new wireless access point is required.
For example, referring to fig. 3, according to the displacement information of the mobile terminal 30, the target position of the mobile terminal may be determined to be a position near one second wireless access point 320 of the plurality of second wireless access points 32, so that the second wireless access point 320 may be directly used as the target wireless access point. In this manner, the second wireless access point 320 can be preferentially connected, reducing connection probe time with other second wireless access points 32.
In addition, it can be understood that the closer the distance, the stronger the wireless network signal strength of the wireless access point, and the better the network signal.
According to the embodiment of the disclosure, the second wireless access sheet with the nearest target position is determined to be the target wireless access point according to the target position and the distribution information, so that the currently switched target wireless access point can have better signal strength, and the communication performance of the mobile terminal is improved.
Of course, the quality of the network signal of the wireless access point does not depend on the distance between the wireless access point and the mobile terminal, and further includes: the resource utilization of the wireless access point may be, for example, the current amount of access point devices of the wireless access point.
In some embodiments, the determining, according to the displacement information and the distribution information, a target wireless access point to be switched from among the plurality of second wireless access points includes:
and determining a second wireless access point with the least resource utilization amount from a plurality of second wireless access points as the target wireless access point according to the displacement information and the distribution information.
In order to be able to select a more optimal target wireless access point, in other embodiments, the determining, according to the displacement information and the distribution information, a target wireless access point to be handed over from a plurality of the second wireless access points may include:
and determining the corresponding second wireless access point with the highest resource utilization amount and the highest comprehensive distance score from the target position from the plurality of second wireless access points as the target wireless access point according to the displacement information and the distribution information.
According to the embodiment of the disclosure, the second wireless access point with the strongest current communication capability is found as the target wireless access point according to the target position and the distribution information, so that the communication performance of the mobile terminal can be further improved.
In some embodiments, determining the displacement information of the mobile terminal in the preset area may include:
determining a plurality of pieces of displacement information of the mobile terminal in the preset area according to a preset sampling period;
the determining, according to the displacement information, a target wireless access point to be switched from the plurality of second wireless access points may include:
determining third intensity information of a target wireless access point to be switched from a plurality of second wireless access points according to a plurality of displacement information;
and determining the second wireless access point corresponding to the meeting of the access condition as the target wireless access point according to the third signal strength information corresponding to each piece of displacement information.
Here, the preset sampling period may be set in advance. In some embodiments, the sampling period may be 1 second. Of course, the sampling period may also be dynamically set according to the scene where the mobile terminal is located. It will be appreciated that the movement speed of the corresponding user is different for different scenes, for example, in a shopping mall, the movement speed is obviously slower than that in an office. Thus, the sampling period in the shopping mall can be set longer than that in the office.
The third signal strength here refers to the strength of the network signal transmitted by the second wireless access point and received by the mobile terminal.
Here, the access condition may be understood as a condition that the second wireless access point needs to satisfy the third signal strength information corresponding to each of the displacement information, when at least a wireless network can be provided for the mobile terminal.
In this embodiment, according to the third signal strength information corresponding to each displacement information of each second wireless access point, the second wireless access point corresponding to the meeting of the access condition is selected as the target wireless access point, and it is not necessary to acquire the distribution information of the wireless access points in advance, so that the problem that the target access point is also inaccurate due to inaccurate acquisition of the distribution information can be reduced, and thus, the accuracy of the determined target wireless access point is higher.
In some embodiments, the determining, according to the third signal strength information corresponding to each piece of the displacement information, the second wireless access point corresponding to meeting the access condition as the target wireless access point may include:
determining second intensity change information of the second wireless access point according to the third intensity information corresponding to each piece of displacement information;
and taking the second wireless access point corresponding to the second strength change information indicating that the signal strength is changed from weak to strong and the third signal strength information is strongest as the target wireless access point.
Here, the second intensity variation information is intensity variation information generated by variation of the third intensity information with variation of the displacement information.
For example, referring to fig. 3 again, only one of the second wireless access points 32 can satisfy that the second strength variation information indicates that the signal strength is changed from weak to strong, and the third signal strength information is strongest. As such, the second wireless access point 320 may be considered a target wireless access point.
It should be noted that, if only the second wireless access point corresponding to the strongest third signal strength information is needed as the target wireless access point, the second wireless access point may also be a wireless access point temporarily closer to the mobile terminal, but as the mobile terminal continues to move forward, the third signal strength of the second wireless access point will become weaker, and obviously, if only the second wireless access point corresponding to the strongest third signal strength information is used as the target wireless access point, the wireless access point really suitable for the target position of the mobile terminal cannot be obtained accurately.
Based on this, in the embodiment of the present disclosure, the second wireless access point, to which the second strength change information indicates that the signal strength is changed from weak to strong and the third signal strength information is strongest, is taken as the target wireless access point, so that the mobile terminal is not required to obtain the distribution information of each wireless access point; and the target wireless access point can be obtained more accurately. And a foundation is laid for subsequent quick switching and connection to the target wireless access point.
Further, the present disclosure also provides a specific embodiment to further understand the handover method of the wireless access point provided by the embodiment of the present disclosure.
Here, take a mobile terminal as a mobile phone as an example; the wireless access point is exemplified by a router.
It should be noted that, in the case of wifi coexistence of multiple routers, only one router can be selected to connect currently, so that when wifi signals of different merchants in a large space, such as a shopping mall, are frequently switched among different routers, the network is disconnected, or the wifi signals can be reconnected to other networks after a certain time, which brings many bad experiences to users of mobile phones.
Based on this, the disclosed embodiment aims to provide a wifi connection scheme for dynamic monitoring, which utilizes an acceleration sensor to acquire a track of a mobile phone, dynamically monitors the signal strength of each router, deduces and records the signal strength, and completes wifi switching or replacing more quickly, so that each network switching can be seamlessly connected.
Illustratively, the implementation of the embodiments of the present disclosure may include the following steps:
firstly, if a plurality of routers exist in the range, the wifi signal can be detected, and the corresponding router with the strongest signal is selected for authentication connection. That is, the mobile terminal described in the above embodiment is connected to the first wireless access point.
Then, while the mobile phone is moving, the signal strength of the connectable routers is monitored continuously, and a corresponding router distribution map is established, which can be referred to fig. 3.
Exemplarily, information of an acceleration sensor is obtained, displacement information of the mobile phone is obtained, and then signal intensity change information of each router of the mobile phone in each direction can be obtained; and establishing a corresponding router distribution map according to the acquired signal intensity information of the mobile phone at each position. That is, the step of acquiring the distribution information of each wireless access point in the preset area according to the above embodiment includes: responding to the mobile terminal moving in at least two directions, and respectively detecting first strength change information of second signal strength of each wireless access point in each direction; and determining distribution information of each wireless access point in the preset area according to the first strength change information of each wireless access point in each direction.
Finally, in the mobile process of the mobile phone, if the wifi signal of the router which is connected at the beginning begins to attenuate, the router corresponding to the current position can be found from the router distribution map as the router which is preferentially connected. That is, in the above embodiment, in response to that the first signal strength information is smaller than the strength threshold, the target wireless access point to be handed over is determined from the plurality of second wireless access points according to the displacement information and the distribution information of the wireless access points.
Therefore, the router can be switched accurately at the time, and the user experience is improved.
According to the router switching method and device, the displacement information of the mobile phone is obtained by means of the acceleration sensor, the router which can be preferentially connected with the displacement information corresponding to the mobile phone is found through the distribution map of the router, and therefore connection probing time of the mobile phone and other routers can be shortened, and the mobile phone can be accurately and quickly switched when being switched and connected.
Fig. 4 is a view illustrating a two-dimensional code scanning apparatus according to an exemplary embodiment, and referring to fig. 4, the apparatus includes:
a first determining module 41, configured to determine, in response to that the mobile terminal is connected to a first wireless access point and the mobile terminal moves, displacement information of the mobile terminal in a preset area and received first signal strength information of the first wireless access point, where the preset area includes: the network coverage area of a first wireless access point and the network coverage areas of a plurality of second wireless access points which can establish preset connection with the mobile terminal; the preset connection refers to an authenticated connection established with the mobile terminal;
a second determining module 42, configured to determine, in response to that the first signal strength information is smaller than a strength threshold, a target wireless access point to be handed over from among the plurality of second wireless access points according to the displacement information;
a connection module 43, configured to handover and connect the mobile terminal to the target wireless access point.
In some optional embodiments, the first determining module 41 is further configured to:
detecting acceleration information of an acceleration sensor of the mobile terminal in response to the movement of the mobile terminal;
and determining the displacement information of the mobile terminal in the preset area according to the acceleration information.
In some optional embodiments, the apparatus further comprises:
an obtaining module, configured to obtain distribution information of each wireless access point in the preset area, where the wireless access point includes: the first wireless access point or the second wireless access point;
the second determining module 42 is further configured to:
and determining the target wireless access point to be switched from the plurality of second wireless access points according to the displacement information and the distribution information.
In some optional embodiments, the second determining module 42 is specifically configured to:
determining the target position of the mobile terminal according to the displacement information;
and determining the second wireless access point closest to the target position as the target wireless access point according to the target displacement and the distribution information.
In some optional embodiments, the obtaining module further includes:
the detection submodule is used for responding to the movement of the mobile terminal in at least two directions and respectively detecting first strength change information of second signal strength of each wireless access point in each direction;
a first determining submodule, configured to determine distribution information of each wireless access point in the preset area according to the first strength variation information of each wireless access point in each direction.
In some optional embodiments, the first determining module 41 is further configured to:
determining a plurality of pieces of displacement information of the mobile terminal in the preset area according to a preset sampling period;
the second determining module 42 includes:
the second determining submodule is used for determining third signal strength information of the second wireless access point corresponding to each piece of displacement information according to the plurality of pieces of displacement information;
and a third determining submodule, configured to determine, according to the third signal strength information corresponding to each piece of the displacement information, the second wireless access point corresponding to the condition that meets the access requirement as the target wireless access point.
In some optional embodiments, the third determining sub-module is specifically configured to:
determining second intensity change information of the second wireless access point according to the third intensity information corresponding to each piece of displacement information;
and taking the second wireless access point corresponding to the second strength change information indicating that the signal strength is changed from weak to strong and the third signal strength information is strongest as the target wireless access point.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Fig. 5 is a block diagram illustrating a mobile terminal 500 according to an example embodiment. For example, the mobile terminal 500 may be a mobile phone, a computer, a digital broadcast mobile terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
Referring to fig. 5, the mobile terminal 500 may include one or more of the following components: a processing component 502, a memory 504, a power component 506, a multimedia component 508, an audio component 510, an input/output (I/O) interface 512, a sensor component 514, and a communication component 516.
The processing component 502 generally controls overall operation of the mobile terminal 500, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 502 may include one or more processors 520 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 502 can include one or more modules that facilitate interaction between the processing component 502 and other components. For example, the processing component 502 can include a multimedia module to facilitate interaction between the multimedia component 508 and the processing component 502.
The memory 504 is configured to store various types of data to support operation at the mobile terminal 500. Examples of such data include instructions for any application or method operating on mobile terminal 500, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 504 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The multimedia component 508 includes a screen providing an output interface between the mobile terminal 500 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 508 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the mobile terminal 500 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 510 is configured to output and/or input audio signals. For example, the audio component 510 includes a Microphone (MIC) configured to receive external audio signals when the mobile terminal 500 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 504 or transmitted via the communication component 516. In some embodiments, audio component 510 further includes a speaker for outputting audio signals.
The I/O interface 512 provides an interface between the processing component 502 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor component 514 includes one or more sensors for providing various aspects of state assessment for the mobile terminal 500. For example, sensor assembly 514 may detect an open/closed state of mobile terminal 500, a relative positioning of components, such as a display and keypad of mobile terminal 500, a change in position of mobile terminal 500 or a component of mobile terminal 500, the presence or absence of user contact with mobile terminal 500, an orientation or acceleration/deceleration of mobile terminal 500, and a change in temperature of mobile terminal 500. The sensor assembly 514 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 514 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 514 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 516 is configured to facilitate communications between the mobile terminal 500 and other devices in a wired or wireless manner. The mobile terminal 500 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 516 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 516 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the mobile terminal 500 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 504 comprising instructions, executable by the processor 520 of the mobile terminal 500 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
A non-transitory computer-readable storage medium, wherein instructions of the storage medium, when executed by a processor of a mobile terminal, enable the mobile terminal to perform the handover method of a wireless access point according to the embodiments.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (16)
1. A method for switching a wireless access point is applied to a mobile terminal and comprises the following steps:
responding to the mobile terminal connected to a first wireless access point and the mobile terminal moving, and determining displacement information of the mobile terminal in a preset area and received first signal strength information of the first wireless access point, wherein the preset area comprises: the network coverage area of a first wireless access point and the network coverage areas of a plurality of second wireless access points which can establish preset connection with the mobile terminal; the preset connection refers to an authenticated connection established with the mobile terminal;
responding to the first signal strength information smaller than a strength threshold value, and determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information;
and switching and connecting the mobile terminal to the target wireless access point.
2. The method according to claim 1, wherein the determining the displacement information of the mobile terminal in the preset area and the received first signal strength information of the first wireless access point in response to the mobile terminal being connected to the first wireless access point and the mobile terminal moving comprises:
detecting acceleration information of an acceleration sensor of the mobile terminal in response to the movement of the mobile terminal;
and determining the displacement information of the mobile terminal in the preset area according to the acceleration information.
3. The method according to claim 1 or 2, characterized in that the method further comprises:
acquiring distribution information of each wireless access point in the preset area, wherein the wireless access point comprises: the first wireless access point or the second wireless access point;
the determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information includes:
and determining the target wireless access point to be switched from the plurality of second wireless access points according to the displacement information and the distribution information.
4. The method according to claim 3, wherein the determining the target wireless access point to be switched from the plurality of second wireless access points according to the displacement information and the distribution information comprises:
determining the target position of the mobile terminal according to the displacement information;
and determining the second wireless access point closest to the target position as the target wireless access point according to the target position and the distribution information.
5. The method of claim 3, wherein the obtaining distribution information of each wireless access point in the preset area comprises:
responding to the mobile terminal moving in at least two directions, and respectively detecting first strength change information of second signal strength of each wireless access point in each direction;
and determining distribution information of each wireless access point in the preset area according to the first strength change information of each wireless access point in each direction.
6. The method according to claim 1, wherein determining the displacement information of the mobile terminal in the preset area comprises:
determining a plurality of pieces of displacement information of the mobile terminal in the preset area according to a preset sampling period;
the determining a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information includes:
determining third signal strength information of the second wireless access point corresponding to each piece of displacement information according to the plurality of pieces of displacement information;
and determining the second wireless access point corresponding to the meeting of the access condition as the target wireless access point according to the third signal strength information corresponding to each piece of displacement information.
7. The method according to claim 6, wherein the determining, according to the third signal strength information corresponding to each piece of the displacement information, the second wireless access point corresponding to meeting an access condition as the target wireless access point comprises:
determining second intensity change information of the second wireless access point according to the third intensity information corresponding to each piece of displacement information;
and taking the second wireless access point corresponding to the second strength change information indicating that the signal strength is changed from weak to strong and the third signal strength information is strongest as the target wireless access point.
8. A switching device of a wireless access point, applied in a mobile terminal, comprises:
a first determining module, configured to determine, in response to that the mobile terminal is connected to a first wireless access point and the mobile terminal moves, displacement information of the mobile terminal in a preset area and received first signal strength information of the first wireless access point, where the preset area includes: the network coverage area of a first wireless access point and the network coverage areas of a plurality of second wireless access points which can establish preset connection with the mobile terminal; the preset connection refers to an authenticated connection established with the mobile terminal;
a second determining module, configured to determine, in response to that the first signal strength information is smaller than a strength threshold, a target wireless access point to be switched from the plurality of second wireless access points according to the displacement information;
and the connecting module is used for switching and connecting the mobile terminal to the target wireless access point.
9. The apparatus of claim 8, wherein the first determining module is further configured to:
detecting acceleration information of an acceleration sensor of the mobile terminal in response to the movement of the mobile terminal;
and determining the displacement information of the mobile terminal in the preset area according to the acceleration information.
10. The apparatus of claim 1 or 2, further comprising:
an obtaining module, configured to obtain distribution information of each wireless access point in the preset area, where the wireless access point includes: the first wireless access point or the second wireless access point;
the second determining module is further configured to:
and determining the target wireless access point to be switched from the plurality of second wireless access points according to the displacement information and the distribution information.
11. The apparatus of claim 10, wherein the second determining module is specifically configured to:
determining the target position of the mobile terminal according to the displacement information;
and determining the second wireless access point closest to the target position as the target wireless access point according to the target displacement and the distribution information.
12. The apparatus of claim 10, wherein the obtaining module further comprises:
the detection submodule is used for responding to the movement of the mobile terminal in at least two directions and respectively detecting first strength change information of second signal strength of each wireless access point in each direction;
a first determining submodule, configured to determine distribution information of each wireless access point in the preset area according to the first strength variation information of each wireless access point in each direction.
13. The apparatus of claim 8, wherein the first determining module is further configured to:
determining a plurality of pieces of displacement information of the mobile terminal in the preset area according to a preset sampling period;
the second determining module includes:
the second determining submodule is used for determining third signal strength information of the second wireless access point corresponding to each piece of displacement information according to the plurality of pieces of displacement information;
and a third determining submodule, configured to determine, according to the third signal strength information corresponding to each piece of the displacement information, the second wireless access point corresponding to the condition that meets the access requirement as the target wireless access point.
14. The apparatus according to claim 12, wherein the third determining submodule is specifically configured to:
determining second intensity change information of the second wireless access point according to the third intensity information corresponding to each piece of displacement information;
and taking the second wireless access point corresponding to the second strength change information indicating that the signal strength is changed from weak to strong and the third signal strength information is strongest as the target wireless access point.
15. A mobile terminal, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to: for implementing the method of handover of a wireless access point according to any of claims 1 to 7 when executing the executable instructions.
16. A computer-readable storage medium, characterized in that the readable storage medium has an executable program, wherein the executable program, when executed by a processor, implements the handover method of a wireless access point according to any one of claims 1 to 7.
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