CN102711164A - Intelligent management method for data communication link of mobile terminal - Google Patents

Intelligent management method for data communication link of mobile terminal Download PDF

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Publication number
CN102711164A
CN102711164A CN2012101515472A CN201210151547A CN102711164A CN 102711164 A CN102711164 A CN 102711164A CN 2012101515472 A CN2012101515472 A CN 2012101515472A CN 201210151547 A CN201210151547 A CN 201210151547A CN 102711164 A CN102711164 A CN 102711164A
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comparison
network
signal
mobile
wlan
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CN2012101515472A
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CN102711164B (en
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杨震
奚望
钟兵
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SHANGHAI JIAO TONG UNIVERSITY WUXI RESEARCH INSTITUTE
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SHANGHAI JIAO TONG UNIVERSITY WUXI RESEARCH INSTITUTE
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Abstract

The invention discloses an intelligent management method for data communication link of a mobile terminal. The management method comprises the following steps: scanning WiFi enviornment around by using client software running on the mobile terminal; opening a mobile data network link, if no AP (access point) signal is around or the AP signal is poor, if a WiFi signal exists and can be connected normally, closing the mobile data network link; if the WiFi signal is scanned around and the signal intensity is strong enough, carrying out MAC (media access control) + SSID (service set identifier) comparison; if comparison fails, carrying out next comparison until the comparison is finished; if comparison succeeds, connecting the AP and carrying out network quality testing; but if the network quality is poor, carrying out next MAC+SSID comparison until the comparison is finished, and then opening the mobile data network link; and if the testing result indicates good network quality, closing mobile data connection. The management method can realize automatic and non-inductive switching between multiple APs and between the AP and the mobile communication network according to needs and network service quality so as to meet the requirements of users on good experience and low expenditure.

Description

A kind of mobile terminal data communication link intelligent management
Technical field
The present invention relates in general to a kind of mobile terminal data communication link intelligent management scheme and realization thereof; Specifically; The present invention relates to the intelligent management of the data link of portable terminal; Promptly through scanning, analyze around the communication quality of wireless network environment and current use link, automatically, noninductively realize between WLAN and the WLAN, the mutual switching between WLAN and the mobile data network (2G/3G/4G), to reach the purpose that is user-friendly to cost saving.
Background technology
Current mobile intelligent terminal (comprising mobile phone and panel computer) is all supported two kinds of wireless access ways of WLAN and mobile data network (2G/3G/4G is like GPRS, HSPA etc.) at large simultaneously.
These two kinds of wireless access ways cut both ways, and the advantage of mobile data network (2G/3G/4G) is that network coverage is wide, and the user can freely move in the very big ranged space and not break, and its shortcoming is that access rate is low, and cost of use is high.The advantage of WLAN access way is that access rate is high, and cost of use is low, and its shortcoming is that network coverage is narrow and small, and the wireless signal penetration capacity is poor, is used in limited range, moving.
Obviously, the pluses and minuses of two kinds of wireless access ways just are complementary, generally speaking, are having under the situation of WLAN, and the user can preferentially use the WLAN access way, is not having under the situation of WLAN, uses mobile data network (2G/3G/4G) access way.Two kinds of wireless access ways are independently fully, when the user uses wireless network at needs, must at first clear and definite current wireless channel conditions, and confirm concrete any wireless access way that uses then.When the user when moving or change the position; Acute variation may take place in the wireless network environment of periphery; Thereby make original wireless access way no longer suitable; Can't insert and cause network to interrupt, or be currently better more economical access way is arranged and not use, cause unnecessary waste.
In using the wireless network process, run into following concentrated situation through regular meeting:
Between two or more wireless aps, roam:
In an office space, a plurality of AP are arranged, form the WiFi all standing, when the user when a place moves to another place, must be accompanied by the strong and weak variation of wireless signal, promptly original AP signal that inserts is decayed significantly, and another AP signal obviously strengthens.
Get into the occasion that can insert with WIFI when using mobile data network (2G/3G/4G) to insert:
When the user came back home, the user need manually revise wireless access way, promptly stopped original mobile data network (2G/3G/4G) access way, and used WiFi to insert.
Enter into the occasion of no WiFi service when using WiFi:
When the user was away from home, the user need manually revise wireless access way, promptly stopped original WiFi and connected, and use mobile data network (2G/3G/4G) to insert.
Above-mentioned scene problem to be solved by this invention just; Through the present invention; Can be as required and network service quality; Realizing automatic, noninductive switching (referring to Fig. 1) between AP A and the AP B, between AP A and B and the mobile base station C, better experiencing to satisfy the user, the requirement of lower expense.
Summary of the invention
The technical problem that will solve of the present invention is; Utilization operates in the client software on the customer mobile terminal, manages WLAN and mobile data network (2G/3G/4G) intelligently, when the user need use data network; As long as click, move a client software; Can realize the automatic management of network process, the user need not to be concerned about which data network of this use on earth, also need not after wireless network environment changes; The artificially is carried out network and is switched, thereby reaches the purpose of convenient, convenient and saving.
The present invention adopts following technical scheme for realizing above-mentioned purpose:
A kind of mobile terminal data communication link intelligent management, it may further comprise the steps:
A) through customization or alternate manner are installed a client software on portable terminal in advance;
B) when the user needs, click running client software;
C) client software at first scans peripheral WiFi environment; There is not the AP signal or the AP signal is too poor like periphery; Then open the mobile data network link; Utilize the mobile network to connect; And delaying time T2 after the time; Carry out WiFi scanning again, when finding that the WiFi signal is arranged and can normally connect, close the mobile data network link;
When d) around scanning, having its signal strength signal intensity of WiFi signal enough big; Carry out the MAC+SSID comparison; Promptly compare with the MAC+SSID in the WLAN connection profile of the pairing MAC+SSID combined value of finding in the scanning of AP access point and system's preservation before this; As compare failure; Then compare next time, finish until comparison;
E) as comparing success, then be connected to this AP, and carry out the network quality test, poor like network quality, then carry out next group MAC+SSID comparison, finish until comparison;
F) show that like test result network quality is good; Then close mobile data and connect, and carry out periodic radio signal quality and measure, too poor like signal quality; Then get into peripheral AP scanning, comparison link, until finding new AP or being connected on the mobile data network link;
G) good like signal quality, then wait for one in short-term after the cycle T 1 in time-delay, carry out radio signal quality again and detect.
Said mobile data network is 2G, 3G or 4G mobile communications network.
Preferably: under the situation of using the mobile data network link to insert, time delay T2 is 3-5 minute, reduces unnecessary WLAN scanning times, thereby reduces owing to the extra electrical source consumption that uses WLAN to cause; Using under the situation of WLAN time delay T1 to be 3-10 second, so that in time catch the quick variation of WiFi signal, quicken the handoff procedure of WLAN → WLAN, WLAN → mobile data network link, thereby avoid influencing the use of user network owing to switch hysteresis.
It is further characterized in that: after AP connects foundation; The capable network quality thermometrically parameter of advancing comprises throughput, packet loss and time-delay; Have only when the satisfied simultaneously one group of minimum threshold of these three parameters (descending throughput 38kpbs, packet loss are less than 5%, and average loop time-delay was less than 2 seconds); We think that just this AP can use, otherwise carry out next group MAC+SSID comparison.
The inventive method can realize can be as required and network service quality, between a plurality of AP, automatic, noninductive switching between AP and the mobile communications network, better experience to satisfy the user, the requirement of lower expense.
Description of drawings
Fig. 1 is a hardware device structural representation of the present invention;
Fig. 2 is the inventive method workflow diagram.
Embodiment
In a kind of case study on implementation, the present invention includes so a kind of mobile terminal data communication link intelligent management, realize dynamic, the intelligent management of the data link of portable terminal.Groundwork flow process of the present invention is (referring to Fig. 2) as follows:
When v need use data communication service as the user, click running client program, client-side program is at running background;
After the v client background operation, at first open wlan network and carry out the scanning of AP, obtain MAC Address, SSID value and the RSSI value of current available each AP of periphery;
V is for RSSI value each AP greater than certain threshold value; Strong and weak order according to the RSSI value; Compare according to the MAC+SSID in the WLAN connection profile of MAC+SSID group and system's preservation before this one by one; As compare failure; Then carry out an AP comparison, until comparing successfully or all comparison completion; Because the user can arbitrarily be provided with the SSID value of WLAN; So; The SSID value is not unique; Simply by comparison SSID value can not confirm uniquely current AP be exactly connect before this, used AP; And the MAC Address value of AP has uniqueness in theory, the SSID value combination of the MAC value+AP by AP; Compare, can significantly reduce the mistake switching that causes owing to the AP identification error or connect and attempt;
V is as comparing success; Then automatic foundation is connected with corresponding A P's; After the WLAN connection is set up successfully; With PING or alternate manner test network quality of connection; The measurement parameter of network connection quality comprises throughput, packet loss and time-delay; Have only as satisfied simultaneously one group of minimum threshold (the descending throughput 38kpbs of these three parameters; Packet loss is less than 5%; Average loop time-delay was less than 2 seconds); We think that just this AP can use; Very poor like quality of connection, then carry out next group MAC+SSID group comparison, until comparing successfully or all comparison completion;
V such as quality of connection are fine, then close mobile data and connect link, and WiFi wireless network environment is on every side scanned after than short time delay T1 at one again; Time delay T1 (in second, like 3 seconds or 5 seconds or 10 seconds etc.) so that in time catch the quick variation of WiFi signal, quickens the handoff procedure of WLAN → WLAN, WLAN → 2G/3G/4G, thereby avoids influencing the use of user to network owing to switch hysteresis;
Do not have AP signal or all comparison failures around v such as the scanning discovery, then open the mobile data link, and close wlan, behind one section long period T2 of time-delay, WiFi wireless network environment is on every side scanned; Time delay T2 (in minute, like 3 minutes or 5 minutes etc.), reduce unnecessary WLAN scanning times, thereby reduce because the extra electrical source consumption that use WLAN causes.
Will appreciate that like those of ordinary skill in the art innovation concept of the present invention can be made amendment and change in range of application widely, therefore, require the technical scheme scope of protection not receive the restriction of given any particular exemplary.
As stated, under the prerequisite that does not depart from above-mentioned innovation concept, the present invention can implement with the mode of various variations.For example, the interpolation of the variation of the front and back of various data structure critical fielies orders, non-core field or delete etc.

Claims (4)

1. mobile terminal data communication link intelligent management, it may further comprise the steps:
Through customization or alternate manner are installed a client software on portable terminal in advance;
When the user needs, click running client software;
Client software at first scans peripheral WiFi environment; There is not the AP signal or the AP signal is too poor like periphery; Then open the mobile data network link; Utilize the mobile network to connect; And delaying time T2 after the time; Carry out WiFi scanning again, when finding that the WiFi signal is arranged and can normally connect, close the mobile data network link;
When around scanning, having its signal strength signal intensity of WiFi signal enough big; Carry out the MAC+SSID comparison; Promptly compare with the MAC+SSID in the WLAN connection profile of the pairing MAC+SSID combined value of finding in the scanning of AP access point and system's preservation before this; As compare failure; Then compare next time, finish until comparison;
As compare success, and then be connected to this AP, and carry out the network quality test, poor like network quality, then carry out next group MAC+SSID comparison, finish until comparison;
Show that like test result network quality is good, then close mobile data and connect, and carry out periodic radio signal quality and measure, too poor like signal quality, then get into peripheral AP scanning, comparison link, until finding new AP or being connected on the mobile data network link;
Good like signal quality, then wait for one in short-term after the cycle T 1 in time-delay, carry out radio signal quality again and detect.
2. a kind of mobile terminal data communication link intelligent management according to claim 1 is characterized in that: said mobile data network is 2G, 3G or 4G mobile communications network.
3. a kind of mobile terminal data communication link intelligent management according to claim 1; It is characterized in that: under the situation of using the mobile data network link to insert; Time delay T2 is 3-5 minute; Reduce unnecessary WLAN scanning times, thereby reduce owing to the extra electrical source consumption that uses WLAN to cause; Using under the situation of WLAN time delay T1 to be 3-10 second, so that in time catch the quick variation of WiFi signal, quicken the handoff procedure of WLAN → WLAN, WLAN → mobile data network link, thereby avoid influencing the use of user network owing to switch hysteresis.
4. a kind of mobile terminal data communication link intelligent management according to claim 1; It is characterized in that: after AP connects foundation; The capable network quality thermometrically parameter of advancing comprises throughput, packet loss and time-delay; Have only when the satisfied simultaneously one group of minimum threshold of these three parameters, we think that just this AP can use, otherwise carry out next group MAC+SSID comparison; Said minimum threshold is descending throughput 38kpbs, and packet loss is less than 5%, and average loop time-delay was less than 2 seconds.
CN201210151547.2A 2012-05-15 2012-05-15 Intelligent management method for data communication link of mobile terminal Expired - Fee Related CN102711164B (en)

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