CN105792290A - Method and device for controlling intelligent terminal to perform wireless roaming - Google Patents
Method and device for controlling intelligent terminal to perform wireless roaming Download PDFInfo
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- CN105792290A CN105792290A CN201410807608.5A CN201410807608A CN105792290A CN 105792290 A CN105792290 A CN 105792290A CN 201410807608 A CN201410807608 A CN 201410807608A CN 105792290 A CN105792290 A CN 105792290A
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Abstract
The invention provides a method and a device for controlling an intelligent terminal to perform wireless roaming. The intelligent terminal is positioned in a wireless local area network including a plurality of APs (Access Points). Under the situation that the intelligent terminal and a first AP are in a wireless connection state, the method comprises the following steps: acquiring signal strength values of searched APs, storing the signal strength values in a preset AP list, and judging whether the signal strength value of the first AP is higher than a preset signal strength threshold value or not; if the signal strength value of the first AP is judged to be higher than the preset signal strength threshold value, acquiring a packet loss rate of the intelligent terminal within a first preset time interval, and judging whether the packet loss rate is greater than a preset packet loss rate threshold value or not; and if the packet loss rate is judged to be greater than the preset packet loss rate threshold value, breaking the wireless connection with the first AP, selecting a second AP from the preset AP list according to a preset rule, and establishing a wireless connection with the second AP. Through adoption of the method, the AP switching efficiency can be increased, and the mobile terminal is always kept in a smooth network environment.
Description
Technical field
The present invention relates to intelligent terminal field, especially, relate to a kind of intelligent terminal and carry out control method and the device of radio roaming.
Background technology
Nowadays, wireless network and intelligent terminal are quite universal, and people are often used intelligent terminal to be seen a film by wireless network, listen music, video calling, object for appreciation game etc., are greatly enriched daily life.In order to make wireless network can cover bigger region, multiple wireless access points (AP can be set in the wireless network, WirelessAccessPoint), so, mobile terminal just can carry out radio roaming in the WLAN (WLAN, WirelessLocalAreaNetworks) include multiple AP.
So-called radio roaming, namely when exist in a WLAN have between multiple AP and their micro unit a range of overlap time, mobile terminal can move in the overlay area of whole WLAN, and automatically can find the maximum AP of neighbouring signal intensity and pass through this AP transceiving data by the wireless network card passed through in mobile terminal, to keep continual network to connect in this WLAN coverage territory.
In the prior art, mobile terminal carries out the scheme of radio roaming, mainly includes the following two kinds:
One is, based on the solution that the Authentication mechanism in advance of 802.11 standards provides, namely mobile terminal can intermittent actively to remove scanning AP around with in the way of passively combining, and the AP scanned is stored, as the AP(that mobile terminal currently connects such as AP1) signal more weak time, mobile terminal can with other AP(such as AP2) carry out authentication, when mobile terminal cannot communicate with AP1 (signal of such as AP1 weak to a certain extent time), mobile terminal can disconnect with AP1 and be attached with AP2.This scheme there is problems of, mobile terminal just can carry out AP switching (being switched to AP2 from AP1) with AP1 until communicating, this switching time and process can cause there is situation about disconnecting with network in handoff procedure, the online affecting mobile terminal is experienced, such as seeing a film, carry out the AP switching of this kind of mode when playing game, video calling etc., the generation of the situations such as the card of picture and sound and associated server disconnect can be caused.
Also has a kind of scheme, it it is the improvement project proposed for upper a kind of scheme, namely having than the current AP(such as AP1 connected) the strong AP(such as AP3 of signal intensity) time, just carry out AP switching (being namely switched to AP3 from AP1), although this scheme can solve in a kind of scheme until just carrying out AP switching when cannot communicate with AP1, but often occur also to carry out AP switching during signal intensity gap less (such as the +/-2dbm) of two AP, so will cause that AP switching is excessively frequent, owing to wireless environment can exist a lot of interference, therefore, the online that switching excessively frequently also to affect user is experienced, picture such as occurs, the phenomenons such as audio cards pauses.
Therefore, how to solve the shortcoming that above-mentioned existing mobile terminal carries out the scheme of radio roaming, become the problem needing most solution at present.
Summary of the invention
The invention provides a kind of intelligent terminal and carry out control method and the device of radio roaming, can solve in prior art when AP switches it is possible that disconnect with network and AP switching situation excessively frequently, the efficiency of AP switching can be improved, and then ensure in the network environment that mobile terminal is in smoothness all the time.
For achieving the above object, according to an aspect of the present invention, propose a kind of intelligent terminal and carry out the control method of radio roaming, described intelligent terminal is in WLAN, multiple wireless access points AP is included in described WLAN, when described intelligent terminal is in wireless connection conditions with an AP, described method includes:
Obtain the signal strength values of the AP searched and be stored in preset AP list, and judging whether the signal strength values of an AP is higher than preset signal strength threshold value；
If judging, the signal strength values knowing an AP is higher than described preset signal strength threshold value, then obtain described intelligent terminal packet loss in the first preset time period, and judge that whether described packet loss is more than default packet loss threshold value；
If judging to know that described packet loss is more than described default packet loss threshold value, then disconnect the wireless connections between a described AP, select the 2nd AP according to preset rules, and set up wireless connections with described 2nd AP from described preset AP list；
Wherein, in described preset AP list storage have AP name corresponding with this AP signal strength values.
Further, described method, also include:
If judging, the signal strength values knowing a described AP is not higher than described preset signal strength threshold value, then disconnect the wireless connections between a described AP, from described preset AP list, select the 2nd AP according to described preset rules, and set up wireless connections with described 2nd AP.
Further, the signal strength values of the AP that described acquisition searches, including:
Search for the AP in a WLAN every the second preset time period, obtain the AP signal strength values relative to described mobile terminal according to the response message returned by AP received；
Wherein, described response message includes the AP signal strength values relative to described intelligent terminal.
Further, described acquisition described intelligent terminal packet loss in the first preset time period, including:
From pre-register, read the quantity of packet lost in the first preset time period and the quantity of the packet sent out, obtain the packet loss in the first preset time period by calculating the ratio of the quantity of the packet sent out in the quantity of the packet lost in described first preset time period and described first preset time period.
For achieving the above object, according to a further aspect in the invention, propose a kind of intelligent terminal and carry out the control device of radio roaming, described intelligent terminal is in WLAN, multiple wireless access points AP is included in described WLAN, and described intelligent terminal is in wireless connection conditions with an AP, described device includes:
Signal intensity processing unit, for obtaining the signal strength values of the AP searched and being stored in preset AP list, and judges whether the signal strength values of an AP is higher than preset signal strength threshold value；
Packet loss processing unit, for when judging that the signal strength values knowing an AP is higher than described preset signal strength threshold value, then obtain described intelligent terminal packet loss in the first preset time period, and judge that whether described packet loss is more than default packet loss threshold value；
When judgement, switch unit, for knowing that described packet loss is more than described default packet loss threshold value, then disconnect the wireless connections between a described AP, select the 2nd AP according to preset rules, and set up wireless connections with described 2nd AP from described preset AP list；
Wherein, in described preset AP list storage have AP name corresponding with this AP signal strength values.
Further, described switch unit, it is additionally operable to:
If judging, the signal strength values knowing a described AP is not higher than described preset signal strength threshold value, then disconnect the wireless connections between a described AP, from described preset AP list, select the 2nd AP according to described preset rules, and set up wireless connections with described 2nd AP.
Further, described signal intensity processing unit, specifically for:
Search for the AP in a WLAN every the second preset time period, obtain the AP signal strength values relative to described mobile terminal according to the response message returned by AP received；
Wherein, described response message includes the AP signal strength values relative to described intelligent terminal.
Further, described packet loss processing unit, specifically for:
From pre-register, read the quantity of packet lost in the first preset time period and the quantity of the packet sent out, obtain the packet loss in the first preset time period by calculating the ratio of the quantity of the packet sent out in the quantity of the packet lost in described first preset time period and described first preset time period.
nullThe intelligent terminal that the embodiment of the present invention provides carries out control method and the device of radio roaming，Can when described intelligent terminal be in wireless connection conditions with an AP，Obtain the signal strength values of the AP searched and be stored in preset AP list，And judge whether the signal strength values of an AP is higher than preset signal strength threshold value，If judging, the signal strength values knowing an AP is higher than described preset signal strength threshold value，Then can obtain described intelligent terminal packet loss in the first preset time period，And judge that whether described packet loss is more than default packet loss threshold value，If judging to know that described packet loss is more than described default packet loss threshold value，Then disconnect the wireless connections between a described AP，From described preset AP list, select the 2nd AP according to preset rules and set up wireless connections with described 2nd AP，It is connected to and the 2nd AP switching being connected with an AP realizing intelligent terminal，Adopt and AP signal strength values is combined as handover decisions condition with the packet loss of mobile terminal，The efficiency of AP switching can be improved，And then ensure in the network environment that mobile terminal is in smoothness all the time.
Accompanying drawing explanation
Fig. 1 is the flow chart that the intelligent terminal that the embodiment of the present invention provides carries out the control method of radio roaming；
Fig. 2 is the structural representation controlling device that the intelligent terminal that the embodiment of the present invention provides carries out radio roaming.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Shown in Fig. 1, the intelligent terminal provided for the embodiment of the present invention carries out the flow chart of control method of radio roaming.
In the present embodiment, including multiple wireless access points (referred to as AP) in described WLAN, described intelligent terminal is in WLAN and can move in described WLAN.Wherein, intelligent terminal can include intelligent television, smart mobile phone, intelligent refrigerator, PAD, notebook computer etc..
The method comprises the steps:
S101, when described intelligent terminal is in wireless connection conditions with an AP, obtains the signal strength values of the AP searched and is stored in preset AP list, and judges whether the signal strength values of an AP is higher than preset signal strength threshold value.
In this step, the signal strength values of the AP searched can first be obtained.
When implementing, the AP in a WLAN can be searched for every the second preset time period, this second preset time period can be configured according to actual needs, such as may be configured as 5 seconds, the AP that can search in a LAN every 5 seconds, the each AP searched can return a response message to mobile terminal, this response message includes this AP signal strength values relative to described intelligent terminal, that is, intelligent terminal can obtain the AP signal strength values relative to described mobile terminal according to the response message returned by AP received, after obtaining the signal strength values of the AP searched, those AP(can be included AP name) and signal strength values correspondence be stored in preset AP list, can use in subsequent step.
The signal strength values of the AP being connected with intelligent terminal can be learnt by above-mentioned acquisition result, the signal strength values of the oneth AP and preset signal strength threshold value are compared, and whether the signal strength values according to an AP carries out subsequent step higher than preset signal strength threshold value.
In the present embodiment, if the signal strength values of an AP is higher than preset signal strength threshold value (signal intensity now is also relatively good), then for being unsatisfactory for the first switching condition, if the signal strength values of an AP is not higher than preset signal strength threshold value (signal intensity now is not so good), then for meeting the first switching condition.
This preset signal strength threshold value can be configured according to practical situation, such as may be configured as 60dbm(dBm), say, that when the signal intensity of an AP is higher than 60dbm, then for being unsatisfactory for the first switching condition, S102 can be continued executing with.
S102, if judging, the signal strength values knowing an AP is higher than described preset signal strength threshold value, then obtain described intelligent terminal packet loss in the first preset time period, and judge that whether described packet loss is more than default packet loss threshold value.
If being unsatisfactory for the first switching condition, then continue to determine whether to meet the second switching condition, even the signal strength values of an AP is higher than preset signal strength threshold value, in the signal intensity also good situation of an AP, then continue to obtain described intelligent terminal packet loss in the first preset time period, and judge that whether described packet loss is more than default packet loss threshold value.
In the present embodiment, if described packet loss is not more than default packet loss threshold value, then for being unsatisfactory for the second switching condition, that is, both it is unsatisfactory for the first switching condition and is also unsatisfactory for the second switching condition, then continue the connection keeping described intelligent terminal with an AP, if described packet loss is more than default packet loss threshold value, then for meeting the second switching condition.
This default packet loss threshold value can be configured according to the actual requirements, such as may be configured as 80%, say, that when described packet loss is more than 80%, then for meeting the second switching condition, can perform S103.
Wherein, obtain described intelligent terminal packet loss in the first preset time period, may be accomplished by:
From pre-register, read the quantity of packet lost in the first preset time period and the quantity of the packet sent out, obtain the packet loss in the first preset time period by calculating the ratio of the quantity of the packet sent out in the quantity of the packet lost in described first preset time period and described first preset time period.Wherein, this first Preset Time can be arranged according to actual needs, such as may be configured as 1 second.
Wherein, intelligent terminal sends a packet, if not receiving the determination character (ACK that recipient replys in the given time, Acknowledgement), then thinking that this packet is the packet lost, the information of this data-bag lost then can be recorded in pre-register (such as counter register) within hardware.
The information of the packet that intelligent terminal sends out can be recorded in pre-register within hardware (such as counter register), therefore, and can by reading pre-register to obtain the sum of the packet that intelligent terminal sends out.
Such as, in 1 second, the packet that intelligent terminal sends out altogether is 1000, and the packet of loss is 850, then the packet loss of this intelligent terminal is 85%.
S103, if judging to know that described packet loss is more than described default packet loss threshold value, then disconnect the wireless connections between a described AP, select the 2nd AP according to preset rules, and set up wireless connections with described 2nd AP from described preset AP list.
Wherein, described preset rules can be set according to the actual requirements, such as may be configured as and select the highest AP of signal strength values as the 2nd AP, the AP that signal strength values is more than default value that such as may also be configured to randomly choose in preset AP list as the 2nd AP from preset AP list, etc..
Preset rules in the present embodiment, may be configured as and select the highest AP of signal strength values as the 2nd AP from preset AP list, that is, when judge know packet loss more than default packet loss threshold value with after disconnecting the wireless connections between described intelligent terminal and a described AP, the AP that signal strength values is the highest can be selected from preset AP list as the 2nd AP, and set up radio communication with the 2nd AP and be connected, it is connected to and the 2nd AP switching being connected with an AP realizing intelligent terminal.
When being unsatisfactory for the first switching condition (namely in the signal intensity of an AP also good situation), the packet loss of intelligent terminal reaches to a certain degree also can affect the fluency of network environment, and then affect the online experience of user, therefore, can using the packet loss of intelligent terminal whether more than preset packet loss threshold value as the second switching condition, with when being unsatisfactory for the first switching condition, if meeting the second switching condition, then it is also carried out AP switching, more reasonably to control the opportunity of AP switching, and then ensure the fluency of network environment in whole WLAN, the online improving user is experienced.
In addition, if the signal strength values that the judged result of S101 is an AP is not higher than described preset signal strength threshold value, namely meet the first switching condition, in such cases, then can directly disconnect the wireless connections between described intelligent terminal and a described AP, and the 2nd AP(AP that such as selection signal strength values is the highest from preset AP list can be selected from described preset AP list as the 2nd AP according to above-mentioned preset rules), and set up wireless connections with described 2nd AP.
For preset signal strength threshold value for 60dbm(dBm), when the signal intensity of an AP is not higher than 60dbm(≤60dbm) time, then for meeting the first switching condition, that is, the signal intensity of an AP now is not as, it is likely to have influence on the fluency of network environment, and then the online experience of user can be affected, in order to avoid user listens music carrying out, the processes such as Video chat occur Caton phenomenon, then directly perform AP switching, to disconnect the wireless connections between intelligent terminal and a described AP, and intelligent terminal is connected on the 2nd AP that in preset AP list, signal strength values is the highest, online to ensure user is experienced.
nullThe intelligent terminal that the embodiment of the present invention provides carries out the control method of radio roaming，Can when described intelligent terminal be in wireless connection conditions with an AP，Obtain the signal strength values of the AP searched and be stored in preset AP list，And judge whether the signal strength values of an AP is higher than preset signal strength threshold value，If judging, the signal strength values knowing an AP is higher than described preset signal strength threshold value，Then can obtain described intelligent terminal packet loss in the first preset time period，And judge that whether described packet loss is more than default packet loss threshold value，If judging to know that described packet loss is more than described default packet loss threshold value，Then disconnect the wireless connections between described intelligent terminal and a described AP，From described preset AP list, the 2nd AP is selected according to preset rules，And set up wireless connections with described 2nd AP，It is connected to and the 2nd AP switching being connected with an AP realizing intelligent terminal，Adopt and AP signal strength values is combined as handover decisions condition with the packet loss of mobile terminal，The efficiency of AP switching can be improved，And then ensure in the network environment that mobile terminal is in smoothness all the time.
Shown in Fig. 2, be the embodiment of the present invention provide intelligent terminal carry out radio roaming control device structural representation.
In the present embodiment, including multiple wireless access points (referred to as AP) in described WLAN, described intelligent terminal is in WLAN and can move in described WLAN.Wherein, intelligent television, smart mobile phone, intelligent refrigerator, PAD, notebook computer etc..
As in figure 2 it is shown, the device of the present embodiment may include that signal intensity processing unit 21, packet loss processing unit 22 and switch unit 23, wherein:
Signal intensity processing unit 21, can be used for when described intelligent terminal is in wireless connection conditions with an AP, obtain the signal strength values of the AP searched and be stored in preset AP list, and judging whether the signal strength values of an AP is higher than preset signal strength threshold value.
Wherein, obtain the AP signal strength values searched, when implementing, the AP in a WLAN can be searched for every the second preset time period, the AP signal strength values relative to described mobile terminal is obtained according to the response message returned by AP received, wherein, described response message includes the AP signal strength values relative to described intelligent terminal.
Packet loss processing unit 22, can be used for when judging that the signal strength values knowing an AP is higher than described preset signal strength threshold value, then obtain described intelligent terminal packet loss in the first preset time period, and judge that whether described packet loss is more than default packet loss threshold value.
Wherein, obtain described intelligent terminal packet loss in the first preset time period, when implementing, the quantity of packet lost in the first preset time period and the quantity of the packet sent out can be read from pre-register, obtain the packet loss in the first preset time period by calculating the ratio of the quantity of the packet sent out in the quantity of the packet lost in described first preset time period and described first preset time period.
Switch unit 23, can be used for working as judgement and know that described packet loss is more than described default packet loss threshold value, then disconnect the wireless connections between a described AP, from described preset AP list, select the 2nd AP according to preset rules, and set up wireless connections with described 2nd AP.
Wherein, described preset rules can be set according to the actual requirements, such as may be configured as and select the highest AP of signal strength values as the 2nd AP, the AP that signal strength values is more than default value that such as may also be configured to randomly choose in preset AP list as the 2nd AP from preset AP list, etc..In the present embodiment, can adopt and be set to from preset AP list to select the highest AP of signal strength values as the 2nd AP.
When being unsatisfactory for the first switching condition (namely in the signal intensity of an AP also good situation), the packet loss of intelligent terminal reaches to a certain degree also can affect the fluency of network environment, and then affect the online experience of user, therefore, can using the packet loss of intelligent terminal more than the comparative result of preset packet loss threshold value as the second switching condition, with when being unsatisfactory for the first switching condition, if meeting the second switching condition, then it is also carried out AP switching, to ensure the reasonability of AP switching time, and then ensure the fluency of network environment in whole WLAN, the online improving user is experienced.
Further, described switch unit 23, it may also be used for:
If judging, the signal strength values knowing a described AP is not higher than described preset signal strength threshold value, then disconnect the wireless connections between a described AP, from described preset AP list, select the 2nd AP according to described preset rules, and set up wireless connections with described 2nd AP.
When the signal strength values of a described AP is not higher than described preset signal strength threshold value, can determine that to be that the signal intensity of an AP is not as, now it is likely to have influence on the fluency of network environment, and then affect the online experience of user, then can directly perform AP switching, to disconnect the wireless connections between described intelligent terminal and a described AP, and the 2nd AP(AP that such as selection signal strength values is the highest from preset AP list can be selected from described preset AP list as the 2nd AP according to above-mentioned preset rules), and set up wireless connections with described 2nd AP, online to ensure user is experienced.
The device of the present embodiment, it is possible to for performing the technical scheme of embodiment of the method shown in Fig. 1, it realizes principle basic simlarity, repeats no more herein.
nullThe intelligent terminal that the embodiment of the present invention provides carries out the control device of radio roaming，Can when described intelligent terminal be in wireless connection conditions with an AP，Obtain the signal strength values of the AP searched and be stored in preset AP list，And judge whether the signal strength values of an AP is higher than preset signal strength threshold value，If judging, the signal strength values knowing an AP is higher than described preset signal strength threshold value，Then can obtain described intelligent terminal packet loss in the first preset time period，And judge that whether described packet loss is more than default packet loss threshold value，If judging to know that described packet loss is more than described default packet loss threshold value，Wireless connections then and between the described intelligent terminal of disconnection and a described AP，From described preset AP list, the 2nd AP is selected according to preset rules，And set up wireless connections with described 2nd AP，It is connected to and the 2nd AP switching being connected with an AP realizing intelligent terminal，Adopt and AP signal strength values is combined as handover decisions condition with the packet loss of mobile terminal，The efficiency of AP switching can be improved，And then ensure in the network environment that mobile terminal is in smoothness all the time.
Finally, it can further be stated that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Each embodiment in this specification all adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually referring to.For device embodiment, due to itself and embodiment of the method basic simlarity, so what describe is fairly simple, relevant part illustrates referring to the part of embodiment of the method.
Control method and device that a kind of intelligent terminal provided by the present invention carries out radio roaming above are described in detail, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (8)
1. an intelligent terminal carries out the control method of radio roaming, it is characterized in that, described intelligent terminal is in WLAN, multiple wireless access points AP is included in described WLAN, when described intelligent terminal is in wireless connection conditions with an AP, described method includes:
Obtain the signal strength values of the AP searched and be stored in preset AP list, and judging whether the signal strength values of an AP is higher than preset signal strength threshold value；
If judging, the signal strength values knowing an AP is higher than described preset signal strength threshold value, then obtain described intelligent terminal packet loss in the first preset time period, and judge that whether described packet loss is more than default packet loss threshold value；
If judging to know that described packet loss is more than described default packet loss threshold value, then disconnect the wireless connections between a described AP, select the 2nd AP according to preset rules, and set up wireless connections with described 2nd AP from described preset AP list；
Wherein, in described preset AP list storage have AP name corresponding with this AP signal strength values.
2. the method for claim 1, it is characterised in that also include:
If judging, the signal strength values knowing a described AP is not higher than described preset signal strength threshold value, then disconnect the wireless connections between a described AP, from described preset AP list, select the 2nd AP according to described preset rules, and set up wireless connections with described 2nd AP.
3. method as claimed in claim 2, it is characterised in that the signal strength values of the AP that described acquisition searches, including:
Search for the AP in a WLAN every the second preset time period, obtain the AP signal strength values relative to described mobile terminal according to the response message returned by AP received；
Wherein, described response message includes the AP signal strength values relative to described intelligent terminal.
4. the method for claim 1, it is characterised in that described acquisition described intelligent terminal packet loss in the first preset time period, including:
From pre-register, read the quantity of packet lost in the first preset time period and the quantity of the packet sent out, obtain the packet loss in the first preset time period by calculating the ratio of the quantity of the packet sent out in the quantity of the packet lost in described first preset time period and described first preset time period.
5. an intelligent terminal carries out the control device of radio roaming, it is characterized in that, described intelligent terminal is in WLAN, includes multiple wireless access points AP in described WLAN, and described intelligent terminal is in wireless connection conditions with an AP, described device includes:
Signal intensity processing unit, for obtaining the signal strength values of the AP searched and being stored in preset AP list, and judges whether the signal strength values of an AP is higher than preset signal strength threshold value；
Packet loss processing unit, for when judging that the signal strength values knowing an AP is higher than described preset signal strength threshold value, then obtain described intelligent terminal packet loss in the first preset time period, and judge that whether described packet loss is more than default packet loss threshold value；
When judgement, switch unit, for knowing that described packet loss is more than described default packet loss threshold value, then disconnect the wireless connections between a described AP, select the 2nd AP according to preset rules, and set up wireless connections with described 2nd AP from described preset AP list；
Wherein, in described preset AP list storage have AP name corresponding with this AP signal strength values.
6. device as claimed in claim 5, it is characterised in that described switch unit, is additionally operable to:
If judging, the signal strength values knowing a described AP is not higher than described preset signal strength threshold value, then disconnect the wireless connections between a described AP, from described preset AP list, select the 2nd AP according to described preset rules, and set up wireless connections with described 2nd AP.
7. device as claimed in claim 6, it is characterised in that described signal intensity processing unit, specifically for:
Search for the AP in a WLAN every the second preset time period, obtain the AP signal strength values relative to described mobile terminal according to the response message returned by AP received；
Wherein, described response message includes the AP signal strength values relative to described intelligent terminal.
8. device as claimed in claim 5, it is characterised in that described packet loss processing unit, specifically for:
From pre-register, read the quantity of packet lost in the first preset time period and the quantity of the packet sent out, obtain the packet loss in the first preset time period by calculating the ratio of the quantity of the packet sent out in the quantity of the packet lost in described first preset time period and described first preset time period.
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| CN109151711A (en) * | 2018-08-21 | 2019-01-04 | 新华三技术有限公司 | A kind of connection method for building up and device |
| CN110475244A (en) * | 2018-05-10 | 2019-11-19 | 腾讯科技（上海）有限公司 | Terminal management method, system, device, terminal and storage medium |
| CN110572812A (en) * | 2019-09-20 | 2019-12-13 | 新华三信息安全技术有限公司 | roaming method and device |
| CN110572859A (en) * | 2019-09-29 | 2019-12-13 | 珠海格力电器股份有限公司 | AP switching method, device, equipment and medium |
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| CN113965970A (en) * | 2021-12-09 | 2022-01-21 | 上海市共进通信技术有限公司 | Method, device, processor and storage medium for realizing autonomous roaming control on premise of not depending on AP (access point) terminal for WIFI (wireless fidelity) terminal |
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| CN107360266A (en) * | 2017-06-16 | 2017-11-17 | 北京星网锐捷网络技术有限公司 | A kind of method and system that terminal STA roaming is realized in big double layer network |
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| CN110475244B (en) * | 2018-05-10 | 2023-03-10 | 腾讯科技（上海）有限公司 | Terminal management method, system, device, terminal and storage medium |
| CN109151711A (en) * | 2018-08-21 | 2019-01-04 | 新华三技术有限公司 | A kind of connection method for building up and device |
| CN109151711B (en) * | 2018-08-21 | 2021-01-26 | 新华三技术有限公司 | Connection establishing method and device |
| CN110572812A (en) * | 2019-09-20 | 2019-12-13 | 新华三信息安全技术有限公司 | roaming method and device |
| CN110572859A (en) * | 2019-09-29 | 2019-12-13 | 珠海格力电器股份有限公司 | AP switching method, device, equipment and medium |
| CN110719616A (en) * | 2019-11-04 | 2020-01-21 | RealMe重庆移动通信有限公司 | Network switching method and device, storage medium and electronic equipment |
| CN111314984A (en) * | 2020-03-23 | 2020-06-19 | 四川华丰企业集团有限公司 | Gateway switching method, device, equipment and storage medium |
| CN113676987A (en) * | 2021-08-11 | 2021-11-19 | 维沃移动通信有限公司 | Network connection method, device, equipment and medium |
| CN113965970A (en) * | 2021-12-09 | 2022-01-21 | 上海市共进通信技术有限公司 | Method, device, processor and storage medium for realizing autonomous roaming control on premise of not depending on AP (access point) terminal for WIFI (wireless fidelity) terminal |
| CN114867085A (en) * | 2022-05-26 | 2022-08-05 | Oppo广东移动通信有限公司 | Wireless access point selection method, device, terminal equipment and storage medium |
| CN115767505A (en) * | 2022-11-21 | 2023-03-07 | 四川天邑康和通信股份有限公司 | MESH networking system and intelligent terminal roaming optimization method |
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