CN102711164B - Intelligent management method for data communication link of mobile terminal - Google Patents
Intelligent management method for data communication link of mobile terminal Download PDFInfo
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- CN102711164B CN102711164B CN201210151547.2A CN201210151547A CN102711164B CN 102711164 B CN102711164 B CN 102711164B CN 201210151547 A CN201210151547 A CN 201210151547A CN 102711164 B CN102711164 B CN 102711164B
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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
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 mobile terminal, namely by scanning, the communication quality analyzing around wireless network environment and current use link, automatically, noninductively realize between WLAN and WLAN, mutual switching between WLAN and mobile data network (2G/3G/4G), to reach the object be user-friendly to cost saving.
Background technology
Current mobile intelligent terminal (comprising mobile phone and panel computer) supports WLAN and mobile data network (2G/3G/4G, as GPRS, HSPA etc.) two kinds of wireless access ways all 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 user can freely move and not break in the very large ranged space, 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 wireless signal penetration capacity is poor, for moving in limited range.
Obviously, the pluses and minuses of two kinds of wireless access ways are just complementary, and generally, when there being WLAN, user preferentially can use WLAN access way, when not having WLAN, uses mobile data network (2G/3G/4G) access way.Two kinds of wireless access ways are independently completely, and user is when needs use wireless network, and wireless channel conditions that must be first clearly current, then determines specifically to use any wireless access way.When user is when moving or change position, may acute variation be there is in the wireless network environment of periphery, thus make original wireless access way no longer applicable, cannot access and cause network interruption, be currently have better more economical access way and do not use, cause unnecessary waste.
In use wireless network process, often can encounter following concentrated situation:
Internetwork roaming in two or more wireless aps:
In an office space, have multiple AP, form WiFi all standing, when user moves to another place from a place, the inevitable change along with wireless signal power, i.e. the AP signal of original access is significantly decayed, and another AP signal obviously strengthens.
The occasion that can access with WIFI is entered when using mobile data network (2G/3G/4G) to access:
When user comes back home, user needs manually to revise wireless access way, namely stops original mobile data network (2G/3G/4G) access way, and uses WiFi to access.
Use the occasion entering into during WiFi and serve without WiFi:
When user is away from home, user needs manually to revise wireless access way, namely stops original WiFi to connect, and uses mobile data network (2G/3G/4G) to access.
Above-mentioned scene is problem to be solved by this invention just, pass through the present invention, can as required and network service quality, between AP A and AP B, between AP A and B and mobile base station C, realize automatic, noninductive switching (see Fig. 1), better experience to meet user, the requirement of lower expense.
Summary of the invention
The technical problem that will solve of the present invention is, utilize the client software operated on customer mobile terminal, manage WLAN and mobile data network (2G/3G/4G) intelligently, when user needs usage data network, as long as click, run a client software, the automatic management of network process can be realized, user is without the need to being concerned about which data network of this use on earth, also without the need to after changing at wireless network environment, network switching is carried out in artificially, thus reach convenient, the object of convenient and saving.
The present invention for achieving the above object, adopts following technical scheme:
A kind of mobile terminal data communication link intelligent management, it comprises the following steps:
A) by customize in advance or alternate manner installs a client software on mobile terminals;
B) when the user desires, running client software is clicked;
C) first client software scans periphery WiFi environment, as periphery without AP signal or AP signal too poor, then open mobile data network link, mobile network is utilized to connect, and after the time delay T2 time, carry out WiFi scanning again, until when finding that there is WiFi signal and can normally connect, close mobile data network link;
D) when having its signal strength signal intensity of WiFi signal enough large around scanning, carry out MAC+SSID comparison, namely compare with the MAC+SSID in the WLAN connection profile of systematic conservation before this with the MAC+SSID combined value corresponding to the AP access point found in scanning, as comparison failure, then carry out comparison next time, until comparison terminates;
E) as comparison success, be then connected to this AP, and carry out network quality test, as network quality is poor, then carry out next group MAC+SSID comparison, until comparison terminates;
F) as test result shows that network quality is good, then close Mobile data to connect, and carry out periodic radio signal quality measurement, as signal quality is too poor, then enter periphery AP scanning, comparison link, until find new AP or be connected on mobile data network link;
G) as signal quality is good, then wait for one in short-term after cycle T 1 in time delay, re-start radio signal quality and detect.
Described mobile data network is 2G, 3G or 4G mobile communications network.
Preferred: when using the access of mobile data network link, time delay T2 is 3-5 minute, reduces unnecessary WLAN scanning times, thus reduces the extra electrical source consumption caused owing to using WLAN; When using WLAN, time delay T1 is 3-10 second, to catch the Rapid Variable Design of WiFi signal in time, accelerates the handoff procedure of WLAN → WLAN, WLAN → mobile data network link, thus avoids owing to switching delayed and affect the use of user to network.
It is further characterized in that: after AP connection establishment, the row network quality thermometrically parameter entered comprises throughput, packet loss and time delay, only have when these three parameters meet one group of minimum threshold (descending throughput 38kpbs simultaneously, packet loss is less than 5%, average loop time delay is less than 2 seconds), we just think that this AP can use, otherwise carry out next group MAC+SSID comparison.
The inventive method can realize can as required and network service quality, automatic between multiple AP, between AP and mobile communications network, noninductive switching, better experiences, the requirement of lower expense to meet user.
Accompanying drawing explanation
Fig. 1 is 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 mobile terminal.Main working process of the present invention following (see Fig. 2):
V is when user needs usage data communication service, and click running client program, client-side program is at running background;
After v client background is run, first open wlan network and carry out the scanning of AP, obtaining the MAC Address of current each the available AP of periphery, SSID value and RSSI value;
V is greater than each AP of certain threshold value for RSSI value, according to the strong and weak order of RSSI value, compare according to MAC+SSID group and the MAC+SSID in the WLAN connection profile of systematic conservation before this one by one, as comparison failure, then carry out an AP comparison, until comparison success or all comparisons complete; Because user arbitrarily can arrange the SSID value of WLAN, so, SSID value is not unique, simply by comparison SSID value can not determine uniquely current AP be exactly connect before this, used AP, and the MAC Address value of AP, there is uniqueness in theory, combined by the SSID value of the MAC value+AP of AP, compare, significantly can reduce the mistake caused due to AP identification error and switch or connect trial;
V is as comparison success, then automatically set up the connection with corresponding A P, after the success of WLAN connection establishment, with PING or alternate manner test network quality of connection, the measurement parameter of network connection quality comprises throughput, packet loss and time delay, only have when these three parameters meet one group of minimum threshold (descending throughput 38kpbs simultaneously, packet loss is less than 5%, average loop time delay is less than 2 seconds), we just think that this AP can use, as quality of connection is very poor, then carry out the comparison of next group MAC+SSID group, until comparison success or all comparisons complete;
V is as fine in quality of connection, then close Mobile data connecting link, and after one comparatively short time delay T1 again to around WiFi wireless network environment scan; Time delay T1(in second, as 3 seconds or 5 seconds or 10 seconds etc.), to catch the Rapid Variable Design of WiFi signal in time, accelerate the handoff procedure of WLAN → WLAN, WLAN → 2G/3G/4G, thus avoid owing to switching delayed and affect the use of user to network;
V as around scanning discovery without AP signal or all comparisons failure, then open Mobile data link, and close wlan, after time delay one section of long period T2, around WiFi wireless network environment is scanned; Time delay T2(in minute, as 3 minutes or 5 minutes etc.), reduce unnecessary WLAN scanning times, thus reduce owing to using WLAN and the extra electrical source consumption that causes.
As those of ordinary skill in the art will appreciate that, innovation concept of the present invention can be modified in range of application widely and change, and therefore, claimed technical scheme scope is by the restriction of given any particular exemplary.
As mentioned above, under the prerequisite not departing from above-mentioned innovation concept, the present invention can implement in the mode of various change.Such as, the change of the tandem of various data structure critical field, the interpolation of non-core field or delete.
Claims (3)
1. a mobile terminal data communication link intelligent management, it comprises the following steps:
By to customize in advance or alternate manner installs a client software on mobile terminals;
When the user desires, running client software is clicked;
First client software scans periphery WiFi environment, as periphery without AP signal or AP signal too poor, then open mobile data network link, mobile network is utilized to connect, and after the time delay T2 time, carry out WiFi scanning again, until when finding that there is WiFi signal and can normally connect, close mobile data network link;
When having its signal strength signal intensity of WiFi signal enough large around scanning, carry out MAC+SSID comparison, namely compare with the MAC+SSID in the WLAN connection profile of systematic conservation before this with the MAC+SSID combined value corresponding to the AP access point found in scanning, as comparison failure, then carry out comparison next time, until comparison terminates;
As comparison success, be then connected to this AP, and carry out network quality test, as network quality is poor, then carry out next group MAC+SSID comparison, until comparison terminates;
As test result shows that network quality is good, then close Mobile data and connect, and carry out periodic radio signal quality measurement, as signal quality is too poor, then enter periphery AP scanning, comparison link, until find new AP or be connected on mobile data network link;
As signal quality is good, then wait for one in short-term after cycle T 1 in time delay, re-start radio signal quality and detect;
When using the access of mobile data network link, time delay T2 is 3-5 minute, reduces unnecessary WLAN scanning times, thus reduces the extra electrical source consumption caused owing to using WLAN; When using WLAN, time delay T1 is 3-10 second, to catch the Rapid Variable Design of WiFi signal in time, accelerates the handoff procedure of WLAN → WLAN, WLAN → mobile data network link, thus avoids owing to switching delayed and affect the use of user to network.
2. a kind of mobile terminal data communication link intelligent management according to claim 1, is characterized in that: described 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: after AP connection establishment, the network quality thermometrically parameter of carrying out comprises throughput, packet loss and time delay, only have when these three parameters meet one group of minimum threshold simultaneously, just think that this AP can use, otherwise carry out next group MAC+SSID comparison; Described minimum threshold is descending throughput 38kpbs, and packet loss is less than 5%, and average loop time delay is less than 2 seconds.
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