CN114531712B - Wireless communication method and device, mobile terminal and non-transitory readable storage medium - Google Patents

Wireless communication method and device, mobile terminal and non-transitory readable storage medium Download PDF

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Publication number
CN114531712B
CN114531712B CN202210166997.2A CN202210166997A CN114531712B CN 114531712 B CN114531712 B CN 114531712B CN 202210166997 A CN202210166997 A CN 202210166997A CN 114531712 B CN114531712 B CN 114531712B
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candidate
wireless network
service set
roaming
basic service
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CN114531712A (en
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张志鹏
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • 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
    • H04W36/00835—Determination of neighbour cell lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The disclosure relates to a wireless communication method and device, a mobile terminal and a non-transitory readable storage medium. The method comprises the following steps: acquiring at least one wireless access point in a preset range of the mobile terminal; storing a basic service set identifier of a wireless access point located in the white list in a roaming candidate list; the white list contains service set identifiers of wireless access points meeting preset conditions; selecting a candidate basic service set identifier meeting a candidate condition from the roaming candidate list, and taking a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network; and roaming to the candidate wireless network in response to the candidate wireless network satisfying a roaming condition. The embodiment can realize seamless roaming switching by switching the current wireless network to the candidate wireless network, and is beneficial to improving the use experience.

Description

Wireless communication method and device, mobile terminal and non-transitory readable storage medium
Technical Field
The disclosure relates to the technical field of communication, and in particular relates to a wireless communication method and device, a mobile terminal and a non-transitory readable storage medium.
Background
With the widespread use of mobile terminals, the mobile terminals need to be able to implement WiFi (wireless fidelity, wireless compatibility authentication) roaming.
In the related art, a wired or wireless bridging (or relay) network needs to configure multiple wireless Access Points (APs) to the same SSID, so that a WIFI terminal device can roam and communicate among the multiple APs. However, in the related art, a plurality of APs are required to participate in implementing roaming communication, but the problem of interruption between different wireless networks on a plurality of APs is still unavoidable, and even the problem of interruption between different wireless networks on a single AP cannot be solved.
Disclosure of Invention
The present disclosure provides a wireless communication method and apparatus, a mobile terminal, and a non-transitory readable storage medium to solve the deficiencies of the related art.
According to a first aspect of embodiments of the present disclosure, there is provided a wireless communication method applied to a mobile terminal, the method including:
acquiring at least one wireless access point in a preset range of the mobile terminal;
storing a basic service set identifier of a wireless access point located in the white list in a roaming candidate list; the white list contains service set identifiers of wireless access points meeting preset conditions;
Selecting a candidate basic service set identifier meeting a candidate condition from the roaming candidate list, and taking a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network;
and roaming to the candidate wireless network in response to the candidate wireless network satisfying a roaming condition.
Optionally, acquiring at least one wireless access point within a preset range of the mobile terminal includes:
acquiring the current signal strength of a current wireless network;
and responding to the current signal strength being smaller than or equal to a preset signal strength threshold value, acquiring wireless access points in a preset range of the mobile terminal, and obtaining the at least one wireless access point.
Optionally, the method further comprises a step of determining the whitelist, comprising:
polling a preset configuration list; the preset configuration list comprises service set identifiers of at least one wireless access point which is preset;
determining wireless access points meeting preset conditions in the preset configuration list, and adding service set identifiers of the wireless access points meeting the preset conditions into the white list; the preset condition is that the authentication mode is the same as the authentication mode of the current wireless network and the network can be accessed.
Optionally, selecting a candidate basic service set identifier satisfying a candidate condition from the roaming candidate list, and taking a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network, including:
respectively obtaining the grading value of each basic service set identifier in the roaming candidate list;
and determining the basic service set identifier with the largest grading value as a candidate basic service set identifier meeting a candidate condition, and taking the wireless network corresponding to the candidate basic service set identifier as a candidate wireless network.
Optionally, obtaining the scoring value of each basic service set identifier in the roaming candidate list respectively includes:
respectively acquiring attribute data of wireless networks corresponding to each basic service set identifier in the roaming candidate list; the attribute data includes at least one of: signal strength, bandwidth, and frequency;
and calculating the grading value of each basic service set identifier according to the attribute data and the preset weight coefficient.
Optionally, after acquiring at least one wireless access point within a preset range of the mobile terminal, the method further includes:
and in response to all wireless access points not being located within the white list, maintaining a connection state with the current wireless network.
Optionally, after selecting a candidate basic service set identifier satisfying a candidate condition from the roaming candidate list and taking a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network, the method further includes:
and responding to the candidate wireless network not meeting the roaming condition, and maintaining the connection state with the current wireless network.
Optionally, the candidate wireless network and the current wireless network belong to different wireless access points, or the candidate wireless network and the current wireless network belong to the same wireless access point.
According to a second aspect of embodiments of the present disclosure, there is provided a wireless communication apparatus applied to a mobile terminal, the apparatus comprising:
an access point obtaining module, configured to obtain at least one wireless access point within a preset range of the mobile terminal;
a roaming list acquisition module, configured to store a basic service set identifier of a wireless access point located in a white list into a roaming candidate list; the white list contains service set identifiers of wireless access points meeting preset conditions;
a candidate network acquisition module, configured to select a candidate basic service set identifier satisfying a candidate condition from the roaming candidate list, and use a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network;
And the candidate network roaming module is used for responding to the candidate wireless network to meet the roaming condition and roaming to the candidate wireless network.
Optionally, the access point acquisition module includes:
the signal strength acquisition module is used for acquiring the current signal strength of the current wireless network;
and the access point acquisition module is used for responding to the fact that the current signal strength is smaller than or equal to a preset signal strength threshold value, acquiring wireless access points in a preset range of the mobile terminal and obtaining the at least one wireless access point.
Optionally, the apparatus further includes a whitelist acquisition module configured to determine the whitelist; the white list acquisition module includes:
a configuration list polling sub-module for polling a preset configuration list; the preset configuration list comprises service set identifiers of at least one wireless access point which is preset;
a configuration list polling sub-module, configured to determine wireless access points meeting preset conditions in the preset configuration list, and add service set identifiers of the wireless access points meeting preset conditions to the white list; the preset condition is that the authentication mode is the same as the authentication mode of the current wireless network and the network can be accessed.
Optionally, the candidate network acquisition module includes:
a scoring value obtaining sub-module, configured to obtain scoring values of identifiers of each basic service set in the roaming candidate list respectively;
and the candidate network determining submodule is used for determining the basic service set identifier with the largest grading value as a candidate basic service set identifier meeting the candidate condition, and taking the wireless network corresponding to the candidate basic service set identifier as a candidate wireless network.
Optionally, the scoring value acquisition submodule includes:
an attribute data obtaining unit, configured to obtain attribute data of wireless networks corresponding to each basic service set identifier in the roaming candidate list; the attribute data includes at least one of: signal strength, bandwidth, and frequency;
and the scoring value acquisition unit is used for calculating the scoring value of each basic service set identifier according to the attribute data and the preset weight coefficient.
According to a third aspect of embodiments of the present disclosure, there is provided a mobile terminal comprising: a memory and a processor;
the memory is used for storing a computer program executable by the processor;
the processor is configured to execute the computer program in the memory to implement the method as described above.
According to a fourth aspect of embodiments of the present disclosure, there is provided a non-transitory computer readable storage medium, which when executed by a processor, is capable of carrying out a method as described.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
as can be seen from the foregoing embodiments, the solution provided by the embodiments of the present disclosure may obtain at least one wireless access point within a preset range of the mobile terminal; then, the basic service set identifier of the wireless access point in the white list is stored in the roaming candidate list; the white list contains service set identifiers of wireless access points meeting preset conditions, and in the embodiment, the wireless access points in the white list and the current wireless network can be bound through the white list, so that the reliability of the wireless access points is improved, and the communication safety is improved; then, selecting a candidate basic service set identifier meeting a candidate condition from the roaming candidate list, and taking a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network; in this embodiment, by storing the basic service set identifier of the wireless access point satisfying the candidate condition in the roaming candidate list, the candidate wireless network can be selected according to the basic service set identifier, which is applicable to the scenario of selecting the candidate wireless network from the wireless networks of multiple wireless access points and different wireless networks in the same wireless access point; finally, roaming to the candidate wireless network in response to the candidate wireless network satisfying a roaming condition. In this way, the present embodiment realizes the effect of seamless roaming switching by switching the current wireless network to the candidate wireless network and then disconnecting the connection with the current wireless network, that is, continuously switching the network in the network switching process, thereby being beneficial to improving the use experience.
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 disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flow chart illustrating a method of wireless communication according to an exemplary embodiment.
Fig. 2 is a flow chart illustrating a method of determining a whitelist in accordance with an exemplary embodiment.
Fig. 3 is a flow chart illustrating a method of determining candidate wireless networks according to an example embodiment.
Fig. 4 is a flow chart illustrating a method of wireless communication according to an example embodiment.
Fig. 5 is a diagram illustrating a location distribution of wireless access points according to an example embodiment.
Fig. 6 is a schematic diagram of an SSID list shown according to an example embodiment.
Fig. 7 is a schematic diagram illustrating a roaming from a wireless network BBB to a wireless network AAA, according to an example embodiment.
Fig. 8 is a schematic diagram illustrating roaming from a wireless network AAA to a wireless network BBbb-2.4G, according to an example embodiment.
Fig. 9 is a block diagram of a charging device according to an exemplary embodiment.
Fig. 10 is a block diagram of a mobile terminal according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described by way of example below are not representative of all embodiments consistent with the present disclosure. Rather, they are merely examples of apparatus consistent with some aspects of the disclosure as detailed in the accompanying claims. The features of the following examples and embodiments may be combined with each other without any conflict.
With the widespread use of mobile terminals, the mobile terminals need to be able to implement WiFi (wireless fidelity, wireless compatibility authentication) roaming. The WiFi roaming refers to that when a wireless Station (STA), that is, the mobile terminal moves to a critical area of coverage of two wireless Access Points (APs), the STA associates with a new AP and disassociates from the original AP, and maintains the STA with uninterrupted network connection during the process of switching the associated AP.
In the related art, a wired or wireless bridging (or relay) network needs to configure multiple wireless Access Points (APs) to the same SSID, so that a WIFI terminal device can roam and communicate among the multiple APs. However, in the related art, a plurality of APs are required to participate in implementing roaming communication, but the problem of interruption between different wireless networks on a plurality of APs is still unavoidable, and even the problem of interruption between different wireless networks on a single AP cannot be solved.
To solve the above technical problems, embodiments of the present disclosure provide a wireless communication method, which may be applied to a mobile terminal provided with a wireless communication module, such as a WiFi module. The mobile terminal may be connected to the wireless access point AP through the above-mentioned wireless communication module so as to access a network (internet or local area network). Fig. 1 is a flow chart illustrating a method of wireless communication according to an exemplary embodiment. Referring to fig. 1, a wireless communication method includes steps 11 to 14.
In step 11, at least one wireless access point within a preset range of the mobile terminal is acquired.
In an embodiment, the mobile terminal may acquire at least one wireless access point within its preset range according to a preset period. The processor in the mobile terminal can control the wireless communication module to start scanning operation, the wireless communication module can scan at least one wireless access point in a preset range of the position of the mobile terminal after starting the scanning operation, and attribute data of each wireless access point are obtained, wherein the attribute data can comprise at least one of the following: service set identification code (SSID), basic service set identification code (BSSID), bandwidth, signal strength, frequency, etc., the appropriate attribute data may be selected according to a particular scenario. The preset range refers to a spherical range formed by taking the mobile terminal as a sphere center and presetting a radius (such as 5 m-50 m, which can be adjusted).
After acquiring at least one wireless access point within a preset range, the wireless communication module may store attribute data of the wireless access point to a specified location, such as a local memory, a cloud end, or a cache. The processor may read the attribute data from the designated location to obtain at least one wireless access point. Alternatively, the processor may communicate with the wireless communication module to obtain at least one wireless access point. In this way, the mobile terminal can obtain at least one wireless access point of a preset range of locations.
In another embodiment, the mobile terminal may remain in communication with the current wireless network. During communication, the mobile terminal may obtain the current signal strength of the current wireless network, for example, the mobile terminal may obtain a beacon frame (e.g., beacon frame) of the current wireless network, and use the beacon frame to obtain the signal strength (RSSI) of the received signal, i.e., use the RSSI to characterize the current signal strength of the current wireless network. The calculation method of the RSSI may refer to related technology, and will not be described herein. The mobile terminal can compare the magnitude relation between the current signal strength and a preset signal strength threshold (such as-20 dB to-50 dB, and can be adjusted). When the current signal strength is greater than the preset signal strength threshold, the mobile terminal may maintain the connection state of the current wireless network in response to the current signal strength being greater than the preset signal strength threshold, i.e. wait for or perform the step of acquiring the first wireless access point in the next period. When the current signal strength is less than or equal to the preset signal strength threshold, the mobile terminal may acquire at least one wireless access point within the preset range of the mobile terminal in response to the current signal strength being less than or equal to the preset signal strength threshold. The method for acquiring the wireless access point may refer to the acquiring method of the previous embodiment, which is not described herein. In this way, in this embodiment, the wireless access point is obtained only when the current signal strength is less than or equal to the signal strength threshold, so that the scanning frequency can be reduced, the scanning power can be reduced, and the standby duration of the mobile terminal can be improved.
In step 12, storing the basic service set identifier of the wireless access point located in the white list in the roaming candidate list; the white list contains service set identifiers of wireless access points meeting preset conditions.
In one embodiment, the mobile terminal may determine a whitelist, where the whitelist includes Service Set Identifiers (SSID) of wireless access points that satisfy a preset condition, where the preset condition is the same as an authentication manner of a current wireless network and is accessible to the network. The step of determining the whitelist by the mobile terminal, see fig. 2, may comprise step 21 and step 22.
In step 21, the mobile terminal may poll a preset configuration list containing service set identifiers of at least one wireless access point configured in advance. Wherein each wireless access point in the preset configuration list may be located in a different location and may be preconfigured by the user or previously connected and recorded. During the polling process, the mobile terminal may sequentially determine the following parameters of each wireless access point: (1) Presetting whether the authentication mode of each wireless access point in a configuration list is the same as the authentication mode of the current wireless network; (2) And whether the wireless network corresponding to the service set identifier can access the network or not, namely, acquiring the wireless access point meeting the preset condition. In step 22, the mobile terminal may determine wireless access points in the preset configuration list that satisfy the preset condition, and add the service set identifier of the wireless access point that satisfies the preset condition to the whitelist. In this way, in this embodiment, a binding relationship can be established between the wireless network of the wireless access point satisfying the preset condition and the current wireless network by setting the white list, which is beneficial to improving the reliability of the wireless access point and improving the communication security.
In this embodiment, the mobile terminal may obtain service set identifiers of the wireless access points and match the service set identifiers in the whitelist. When the service set identifier of the wireless access point matches one of the service set identifiers in the whitelist, the wireless access point is determined to be located in the whitelist. The mobile terminal may store the basic service identifiers of the wireless access points located in the whitelist in the (current) roaming candidate list. The roaming candidate list refers to a list established during the execution of the present wireless communication method, and the list includes at least one Basic Service Set Identifier (BSSID), where each basic service set identifier represents a wireless network that can roam to. When the service set identifier of the wireless access point is not matched with each service set identifier in the white list, the mobile terminal can determine that the wireless access point is not positioned in the white list, and can keep the connection state with the current wireless network at the moment, so that the network is not interrupted.
It should be noted that, in this embodiment, since the roaming candidate list is the basic service set identifier, it represents a certain wireless network. The wireless network may belong to the same wireless access point as the current wireless network, e.g., the wireless network is a 2.4G wireless network of the wireless access point and the current wireless network is a 5G wireless network of the same wireless access point; the wireless network may belong to a different wireless access point than the current wireless network, e.g. the wireless network is a 2.4G wireless network or a 5G wireless network of one wireless access point and the current wireless network is a 2.4G wireless network or a 5G wireless network of another wireless access point.
In step 13, a candidate basic service set identifier satisfying a candidate condition is selected from the roaming candidate list, and a wireless network corresponding to the candidate basic service set identifier is used as a candidate wireless network.
In an embodiment, the mobile terminal may determine candidate wireless networks based on the roaming candidate list, see fig. 3, including steps 31-32. In step 31, the mobile terminal may obtain score values of the respective basic service set identifiers in the roaming candidate list, respectively. For example, the mobile terminal may obtain attribute data of the wireless network corresponding to each basic service set identifier in the roaming candidate list, where the attribute data may include at least one of the following: signal strength, bandwidth, and frequency. The mobile terminal may calculate a scoring value for each basic service set identifier according to the attribute data and a preset weight coefficient. In an example, the weighting coefficient of the signal strength is 1, and the weighting coefficients of the bandwidth and the frequency are both 0, that is, the larger the signal strength corresponding to the basic service set identifier is, the larger the scoring value is. In step 32, the mobile terminal may determine the basic service set identifier with the largest scoring value as a candidate basic service set identifier of the candidate condition, and use the wireless network corresponding to the candidate basic service set identifier as a candidate wireless network. In another example, the attribute data may also include a distance from the current wireless network. The mobile terminal may use the wireless network corresponding to the basic service set identifier with the smallest distance as a candidate wireless network. A skilled person may select an appropriate manner to determine candidate wireless networks according to a specific scenario, and the corresponding scheme falls within the protection scope of the present disclosure.
In step 14, roaming to the candidate wireless network in response to the candidate wireless network satisfying a roaming condition.
In an embodiment, the mobile terminal may obtain the score value of the current wireless network, and compare the magnitude relation between the score value of the candidate wireless network and the score value of the current wireless network. When the score value of the candidate wireless network exceeds the score value of the current wireless network, the mobile terminal may roam to the candidate wireless network in response to the score value of the candidate wireless network exceeding the score value of the current wireless network; and after successfully roaming to the candidate wireless network, disconnecting the association with the current wireless network, wherein the candidate wireless network is updated to the current wireless network and can be used as the current wireless network for executing the wireless communication method next time. When the score value of the candidate wireless network is smaller than the score value of the current wireless network, the mobile terminal maintains the connection state with the current wireless network.
In an embodiment, when the mobile terminal finds that the candidate wireless network cannot access the network after roaming to the candidate wireless network, the wireless communication method can be re-executed or connected to other networks in other manners in the related art, such as a break manner, so as to ensure normal access to the network.
The scheme provided by the embodiment of the present disclosure may obtain at least one wireless access point within a preset range of the mobile terminal; then, the basic service set identifier of the wireless access point in the white list is stored in the roaming candidate list; the white list contains service set identifiers of wireless access points meeting preset conditions, and in the embodiment, the wireless access points in the white list and the current wireless network can be bound through the white list, so that the reliability of the wireless access points is improved, and the communication safety is improved; then, selecting a candidate basic service set identifier meeting a candidate condition from the roaming candidate list, and taking a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network; in this embodiment, by storing the basic service set identifier of the wireless access point satisfying the candidate condition in the roaming candidate list, the candidate wireless network can be selected according to the basic service set identifier, which is applicable to the scenario of selecting the candidate wireless network from the wireless networks of multiple wireless access points and different wireless networks in the same wireless access point; finally, roaming to the candidate wireless network in response to the candidate wireless network satisfying a roaming condition. In this way, the present embodiment realizes the effect of seamless roaming switching between the wireless networks of two wireless access points or between two wireless networks in the same access point by switching the current wireless network to the candidate wireless network and then disconnecting the connection with the current wireless network, that is, continuously switching the network in the network switching process, thereby being beneficial to improving the use experience.
A wireless communication method provided by the present disclosure is described below with reference to fig. 4 to 8, referring to fig. 4, including:
(1) The user may acquire wireless access points AP1, AP2 and AP3. Wherein the wireless access points AP1, AP2 and AP3 and the locations are shown in fig. 5. The configuration information of the wireless access points AP1, AP2 and AP3 are respectively:
AP1
2.4G SSID:AAA
5G SSID:BBB
2.4G BSSID:11:22:33:44:55:66
5G BSSID:11:22:33:44:55:77
2.4G authentication method: PSK (phase shift keying)
5G authentication mode: PSK (phase shift keying)
AP2
5G SSID:AAaa-5G
5G BSSID:11:22:33:44:55:88
5G authentication mode: 802.1x
AP3
2.4G SSID:BBbb-2.4G
5G SSID:CCcc-5G
2.4G BSSID:11:22:18:33:44:9d
5G BSSID:11:41:18:08:22:33
2.4G authentication method: PSK (phase shift keying)
5G authentication mode: PSK.
(2) The user may save the SSID of 2.4G and 5G corresponding to the wireless access points AP1, AP2 and AP3 to a preset configuration list local to the mobile terminal (STA), which may also be referred to as an SSID list, as shown in fig. 6.
(3) Assume that the starting location of the mobile terminal is location 1 of the coverage of wireless access point AP1, at which point the AP1 5G wireless network (SSID: BBB) is pending connection.
(4) After the mobile terminal successfully connects to the wireless network BBB, i.e. the current wireless network is the BBB. At this time, the mobile terminal may poll the preset configuration list, i.e., SSID list. The current wireless network adopts a PSK authentication mode, and the AAaa-5G authentication mode is 802.1x, then the SSID stored in the white list is: AAA, BBB, BBbb-2.4G and CCcc-5G.
(5) In the process that the mobile terminal moves from the position 1 to the position 2, the signal strength of the wireless network BBB beacon frame is monitored to be weaker and weaker. When the current signal strength is less than or equal to the preset signal strength threshold, the mobile terminal scans wireless access points around the current position, namely position 2. Since location 2 is within the coverage of AP1 and AP2, the SSID that the mobile terminal can scan for includes: AAA, BBB, and AAaa-5G, i.e., at least one wireless access point. Wherein the wireless network AAA and wireless network BBB are within the whitelist, the mobile terminal may add a Basic Service Set Identifier (BSSID) corresponding to the wireless network AAA and wireless network BBB to the roaming candidate list, as shown in table 1.
TABLE 1
Scan results White list Roaming candidate list
AAA AAA 11:22:33:44:55:66
BBB BBB 11:22:33:44:55:77
AAaa-5G BBbb-2.4G
CCcc-5G
(6) The mobile terminal may score each BSSID in the roaming candidate list according to the signal strength, to obtain a score value corresponding to each BSSID. And, the mobile terminal can obtain the BSSID having the largest grading value. Taking RSSI as an example, the wireless network BBB corresponds to BSSID:11:22:33:44:55:77 RSSI is-75 db, and the BSSID corresponding to the wireless network AAA: the RSSI of 11:22:33:44:55:66 is-65 db, so the scoring value of 11:22:33:44:55:66 is greater than the scoring value of 11:22:33:44:55:77, at which point the mobile terminal can compare the BSSID: the wireless networks corresponding to 11:22:33:44:55:66 are determined to be candidate wireless networks.
(7) The mobile terminal may be associated with the candidate wireless network corresponding to BSSID 11:22:33:44:55:66, i.e. roam from the original wireless network BBB to the wireless network AAA, without interruption of the network, until roaming between different SSIDs on the same AP1 is completed, as shown in fig. 7.
(8) Successful connection of wireless network BSSID:11:22:33:44:55:66, repeating step (4) to update the whitelist in preparation for the next roaming.
(9) In the process that the mobile terminal moves from the position 2 to the position 3, the monitored RSSI value corresponding to the wireless network AAA is weaker and weaker. When the RSSI value is lower than the preset signal strength threshold, the mobile terminal scans the wireless access points around the current position, i.e. position 3. Since the position 3 is within the coverage of the wireless access points AP1, AP2 and AP3, referring to steps (5) to (6), the respective lists shown in table 2 are obtained.
TABLE 2
Scan results White list Roaming candidate list
AAA AAA 11:22:33:44:55:66
BBB BBB 11:22:33:44:55:77
AAaa-5G BBbb-2.4G 11:22:18:33:44:9d
BBbb-2.4G CCcc-5G 11:41:18:08:22:33
CCcc-5G
(10) And (6) acquiring the grading value of each BSSID in the roaming candidate list. Finally, the mobile terminal may determine the BSSID corresponding to BBbb-2.4G: 11:22:18:33:44:9d, thus determining the BSSID: the wireless networks corresponding to 11:22:18:33:44:9d are candidate wireless networks.
(11) The mobile terminal is associated to the BSSID:11:22:18:33:44:9d, i.e. roaming from the original wireless network AAA to the wireless network BBbb-2.4G, as shown in FIG. 8, the network is not interrupted in the process, and roaming among different SSIDs of multiple APs is completed.
(12) Connected to BSSID: and (4) repeating the step (4) after the wireless network corresponding to 11:22:18:33:44:9 d.
On the basis of the wireless communication method provided by the embodiment of the present disclosure, the embodiment of the present disclosure further provides a wireless communication device, which is applied to a mobile terminal, referring to fig. 9, and the device includes:
an access point obtaining module 91, configured to obtain at least one wireless access point within a preset range of the mobile terminal;
a roaming list acquisition module 92, configured to store a basic service set identifier of a wireless access point located in the whitelist in a roaming candidate list; the white list contains service set identifiers of wireless access points meeting preset conditions;
a candidate network obtaining module 93, configured to select a candidate basic service set identifier satisfying a candidate condition from the roaming candidate list, and use a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network;
A candidate network roaming module 94 for roaming to the candidate wireless network in response to the candidate wireless network satisfying a roaming condition.
In an embodiment, the access point acquisition module includes:
the signal strength acquisition module is used for acquiring the current signal strength of the current wireless network;
and the access point acquisition module is used for responding to the fact that the current signal strength is smaller than or equal to a preset signal strength threshold value, acquiring wireless access points in a preset range of the mobile terminal and obtaining the at least one wireless access point.
In an embodiment, the apparatus further includes a whitelist acquisition module configured to determine the whitelist; the white list acquisition module includes:
a configuration list polling sub-module for polling a preset configuration list; the preset configuration list comprises service set identifiers of at least one wireless access point which is preset;
a configuration list polling sub-module, configured to determine wireless access points meeting preset conditions in the preset configuration list, and add service set identifiers of the wireless access points meeting preset conditions to the white list; the preset condition is that the authentication mode is the same as the authentication mode of the current wireless network and the network can be accessed.
In an embodiment, the candidate network acquisition module includes:
a scoring value obtaining sub-module, configured to obtain scoring values of identifiers of each basic service set in the roaming candidate list respectively;
and the candidate network determining submodule is used for determining the basic service set identifier with the largest grading value as a candidate basic service set identifier meeting the candidate condition, and taking the wireless network corresponding to the candidate basic service set identifier as a candidate wireless network.
In one embodiment, the scoring value acquisition submodule includes:
an attribute data obtaining unit, configured to obtain attribute data of wireless networks corresponding to each basic service set identifier in the roaming candidate list; the attribute data includes at least one of: signal strength, bandwidth, and frequency;
and the scoring value acquisition unit is used for calculating the scoring value of each basic service set identifier according to the attribute data and the preset weight coefficient.
In an embodiment, the apparatus further comprises a current network holding module for holding a connection state with the current wireless network in response to all the first wireless access points not being located within the whitelist.
In an embodiment, the apparatus further includes a current network holding module configured to maintain a connection state with a current wireless network in response to the score value of the candidate wireless network being less than the score value of the current wireless network.
It should be noted that, the device shown in this embodiment matches the content of the method embodiment, and reference may be made to the content of the method embodiment, which is not described herein.
Fig. 10 is a block diagram of a mobile terminal according to an exemplary embodiment. For example, mobile terminal 1000 can be a smart phone, a computer, a digital broadcast terminal, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 10, a mobile terminal 1000 can include one or more of the following components: a processing component 1002, a memory 1004, a power component 1006, a multimedia component 1008, an audio component 1010, an input/output (I/O) interface 1012, a sensor component 1014, a communication component 1016, and an image acquisition component 1018.
The processing component 1002 generally controls overall operation of the mobile terminal 1000, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 1002 can include one or more processors 1020 to execute computer programs. Further, the processing component 1002 can include one or more modules that facilitate interaction between the processing component 1002 and other components. For example, the processing component 1002 can include a multimedia module to facilitate interaction between the multimedia component 1008 and the processing component 1002.
The memory 1004 is configured to store various types of data to support operation at the mobile terminal 1000. Examples of such data include computer programs, contact data, phonebook data, messages, pictures, videos, and the like, for any application or method operating on mobile terminal 1000. The memory 1004 may be implemented by any type or combination of volatile or nonvolatile 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 disk.
Power supply component 1006 provides power to the various components of mobile terminal 1000. Power supply component 1006 can include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for mobile terminal 1000. The power supply assembly 1006 may include a power chip and the controller may communicate with the power chip to control the power chip to turn on or off the switching device to power the motherboard circuit with or without the battery. In an example, the power supply assembly 1006 includes a first charging path, a second charging path, and a charging interface. The processor is connected with the first charging path and the second charging path respectively. And the first charging path is connected in series between the charging interface and the battery, and the second charging path is connected in series between the charging interface and the battery. The processor controls the first and second charging paths to charge the battery according to the method shown in fig. 2.
The multimedia component 1008 includes a screen that provides an output interface between the mobile terminal 1000 and a target object. 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 input information from a target object. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or sliding action, but also the duration and pressure associated with the touch or sliding operation.
The audio component 1010 is configured to output and/or input audio file information. For example, audio component 1010 includes a Microphone (MIC) configured to receive external audio file information when mobile terminal 1000 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio file information may be further stored in memory 1004 or transmitted via communication component 1016. In some embodiments, the audio component 1010 further includes a speaker for outputting audio file information.
The I/O interface 1012 provides an interface between the processing assembly 1002 and peripheral interface modules, which may be a keyboard, click wheel, buttons, and the like.
Sensor assembly 1014 includes one or more sensors for providing status assessment of various aspects for mobile terminal 1000. For example, sensor assembly 1014 may detect an on/off state of mobile terminal 1000, a relative positioning of the components, such as a display and keypad of mobile terminal 1000, sensor assembly 1014 may also detect a change in position of mobile terminal 1000 or one of the components, the presence or absence of a target object in contact with mobile terminal 1000, an orientation or acceleration/deceleration of mobile terminal 1000, and a change in temperature of mobile terminal 1000. In this example, the sensor assembly 1014 may include a first temperature sensor and a second temperature sensor, the first temperature sensor being disposed within a preset range of the first charging path for acquiring a first temperature value corresponding to the first charging path; the second temperature sensor is arranged in a preset range of the second charging path and is used for acquiring a second temperature value corresponding to the second charging path. The preset range may be 1 to 20mm. In one example, the predetermined range may take a value of 2 to 5mm.
Communication component 1016 is configured to facilitate communication between mobile terminal 1000 and other devices, either wired or wireless. The mobile terminal 1000 can access a wireless network based on a communication standard, such as WiFi,2G, 3G, 4G, 5G, or a combination thereof. In one exemplary embodiment, the communication component 1016 receives broadcast information or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 1016 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, mobile terminal 1000 can be implemented by one or more Application Specific Integrated Circuits (ASICs), digital information processors (DSPs), digital information processing devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as memory 1004 including instructions, the executable computer program being executable by a processor. The readable storage medium may be, among other things, ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
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 adaptations, 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 is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (13)

1. A wireless communication method, applied to a mobile terminal, the method comprising:
acquiring at least one wireless access point in a preset range of the mobile terminal;
storing a basic service set identifier of a wireless access point located in the white list in a roaming candidate list; the white list contains service set identifiers of wireless access points meeting preset conditions;
selecting a candidate basic service set identifier meeting a candidate condition from the roaming candidate list, and taking a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network;
responding to the candidate wireless network meeting the roaming condition, roaming to the candidate wireless network and disconnecting the association with the current wireless network after the roaming is successful;
the method further comprises the step of determining the whitelist, comprising:
polling a preset configuration list; the preset configuration list comprises service set identifiers of at least one wireless access point which is preset; each wireless access point in the preset configuration list is positioned at different positions and is preconfigured by a user or is connected and recorded before;
Determining wireless access points meeting preset conditions in the preset configuration list, and adding service set identifiers of the wireless access points meeting the preset conditions into the white list; the preset condition is that the authentication mode is the same as the authentication mode of the current wireless network and the network can be accessed.
2. The method of claim 1, wherein acquiring at least one wireless access point within a preset range of the mobile terminal comprises:
acquiring the current signal strength of a current wireless network;
and responding to the current signal strength being smaller than or equal to a preset signal strength threshold value, acquiring wireless access points in a preset range of the mobile terminal, and obtaining the at least one wireless access point.
3. The method of claim 1, wherein selecting a candidate basic service set identifier satisfying a candidate condition from the roaming candidate list, and taking a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network, comprises:
respectively obtaining the grading value of each basic service set identifier in the roaming candidate list;
and determining the basic service set identifier with the largest grading value as a candidate basic service set identifier meeting a candidate condition, and taking the wireless network corresponding to the candidate basic service set identifier as a candidate wireless network.
4. The method of claim 3, wherein separately obtaining the scoring value for each basic service set identifier in the roaming candidate list comprises:
respectively acquiring attribute data of wireless networks corresponding to each basic service set identifier in the roaming candidate list; the attribute data includes at least one of: signal strength, bandwidth, and frequency;
and calculating the grading value of each basic service set identifier according to the attribute data and the preset weight coefficient.
5. The method of claim 1, wherein after acquiring at least one wireless access point within a preset range of the mobile terminal, the method further comprises:
and in response to all wireless access points not being located within the white list, maintaining a connection state with the current wireless network.
6. The method of claim 1, wherein after selecting a candidate basic service set identifier satisfying a candidate condition from the roaming candidate list and taking a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network, the method further comprises:
and responding to the candidate wireless network not meeting the roaming condition, and maintaining the connection state with the current wireless network.
7. The method according to any of claims 1 to 6, wherein the candidate wireless network and the current wireless network belong to different wireless access points or the candidate wireless network and the current wireless network belong to the same wireless access point.
8. A wireless communication apparatus for use with a mobile terminal, the apparatus comprising:
an access point obtaining module, configured to obtain at least one wireless access point within a preset range of the mobile terminal;
a roaming list acquisition module, configured to store a basic service set identifier of a wireless access point located in a white list into a roaming candidate list; the white list contains service set identifiers of wireless access points meeting preset conditions;
a candidate network acquisition module, configured to select a candidate basic service set identifier satisfying a candidate condition from the roaming candidate list, and use a wireless network corresponding to the candidate basic service set identifier as a candidate wireless network;
a candidate network roaming module, configured to roam to the candidate wireless network and disconnect association with a current wireless network after roaming is successful in response to the candidate wireless network satisfying a roaming condition;
The device also comprises a white list acquisition module, a white list generation module and a white list generation module, wherein the white list acquisition module is used for determining the white list; the white list acquisition module includes:
a configuration list polling sub-module for polling a preset configuration list; the preset configuration list comprises service set identifiers of at least one wireless access point which is preset; each wireless access point in the preset configuration list is positioned at different positions and is preconfigured by a user or is connected and recorded before;
a configuration list polling sub-module, configured to determine wireless access points meeting preset conditions in the preset configuration list, and add service set identifiers of the wireless access points meeting preset conditions to the white list; the preset condition is that the authentication mode is the same as the authentication mode of the current wireless network and the network can be accessed.
9. The apparatus of claim 8, wherein the access point acquisition module comprises:
the signal strength acquisition module is used for acquiring the current signal strength of the current wireless network;
and the access point acquisition module is used for responding to the fact that the current signal strength is smaller than or equal to a preset signal strength threshold value, acquiring wireless access points in a preset range of the mobile terminal and obtaining the at least one wireless access point.
10. The apparatus of claim 8, wherein the candidate network acquisition module comprises:
a scoring value obtaining sub-module, configured to obtain scoring values of identifiers of each basic service set in the roaming candidate list respectively;
and the candidate network determining submodule is used for determining the basic service set identifier with the largest grading value as a candidate basic service set identifier meeting the candidate condition, and taking the wireless network corresponding to the candidate basic service set identifier as a candidate wireless network.
11. The apparatus of claim 10, wherein the scoring value acquisition submodule comprises:
an attribute data obtaining unit, configured to obtain attribute data of wireless networks corresponding to each basic service set identifier in the roaming candidate list; the attribute data includes at least one of: signal strength, bandwidth, and frequency;
and the scoring value acquisition unit is used for calculating the scoring value of each basic service set identifier according to the attribute data and the preset weight coefficient.
12. A mobile terminal, comprising: a memory and a processor;
the memory is used for storing a computer program executable by the processor;
The processor is configured to execute a computer program in the memory to implement the method of any of claims 1-7.
13. A non-transitory computer readable storage medium, characterized in that the method of any of claims 1-7 is enabled when an executable computer program in the storage medium is executed by a processor.
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