CN101965034B - Intelligent network-selecting system and method based on a plurality of wireless networks - Google Patents
Intelligent network-selecting system and method based on a plurality of wireless networks Download PDFInfo
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- CN101965034B CN101965034B CN200910304685.8A CN200910304685A CN101965034B CN 101965034 B CN101965034 B CN 101965034B CN 200910304685 A CN200910304685 A CN 200910304685A CN 101965034 B CN101965034 B CN 101965034B
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Abstract
The invention relates to an intelligent network-selecting system based on a plurality of wireless networks, which comprises the following steps of: (a), receiving network signals in corresponding wireless networks by all wireless data receiving units and outputting a signal to noise ratio of each wireless network; (b), receiving the signal to noise ratio of each wireless network by a computer; (c), screening available networks in the wireless networks for standby according to the signal to noise ratio of each wireless network; (d), testing the throughput of each available network; (e), testing the response time of each available network; (f), sequencing the available networks according to the throughputs and the response times of the wireless networks; and (g), selecting the first network in the sequence in the available networks to be connected with the computer. The invention also provides an intelligent network-selecting system based on the plurality of wireless networks.
Description
Technical field
The present invention relates to a kind of Intelligent network-selecting system and method based on plurality of wireless networks.
Background technology
Along with the radio network technique development, increasing computer user starts to select wireless network that service on net is provided, take notebook computer as example, now many notebook computer users use WIFI(Wireless Fidelity: Wireless Fidelity is commonly called as WiMAX) service that provides surfs the Net.Along with the release of 3G wireless network, the user also can install the 3G wireless network card on notebook computer, and the service of using the 3G wireless network to provide is surfed the Net.When notebook computer both can adopt WIFI also can adopt the online of 3G wireless network, the user needs oneself to go to select to adopt which kind of network that service on net is provided, and selected like this network might not be the best network of quality.Therefore, along with the continuous increase of any wireless network services kind, while how to allow computer in the environment in the plurality of wireless networks service, go automatically to select optimum any wireless network services will seem more and more important.
Summary of the invention
In view of above content, be necessary to provide a kind of Intelligent network-selecting system based on plurality of wireless networks, it goes automatically to select optimum any wireless network services in the time of can allowing computer in the environment in the plurality of wireless networks service.
Also be necessary to provide a kind of Intelligent network-selecting method based on plurality of wireless networks, it goes automatically to select optimum any wireless network services in the time of can allowing computer in the environment in the plurality of wireless networks service.
The described Intelligent network-selecting system based on plurality of wireless networks, this system runs in computer, this computer is connected with a plurality of receive data by wireless unit by the communication data integral unit, described a plurality of receive data by wireless unit is used for receiving the network signal of each corresponding wireless network, and exports the signal to noise ratio of each wireless network; This system comprises: signal receiving module, for receiving the signal to noise ratio of each wireless network of exporting described a plurality of receive data by wireless unit; Network screens module, filters out the available network of each wireless network for the signal to noise ratio according to received; The first test module, for testing the throughput of above-mentioned each available network; The second test module, for testing the response time of above-mentioned each available network; The network order module, sorted to each available network for throughput and the response time of each available network according to tested out; Described network order module is sorted and realizes by following steps each available network: (f1) according to the throughput size of each tested out available network, sorted, the available network that throughput is larger comes front; (f2) check in the above-mentioned available network sorted by the throughput size and whether have the throughput of any two available networks to differ in 5%, if have, the length of the response time of these two available networks relatively, the available network that the response time is short comes long available network front of response time; Network selection module, be connected with described computer for selecting each available network sequence wireless network up front.
The described Intelligent network-selecting method based on plurality of wireless networks, the method is applied in computer, this computer is connected with a plurality of receive data by wireless unit by the communication data integral unit, and the method comprises the steps: that (a) described a plurality of receive data by wireless unit receives the network signal of each corresponding wireless network and exports the signal to noise ratio of each wireless network; (b) described computer receives the signal to noise ratio of each wireless network of above-mentioned output; (c), according to the signal to noise ratio of each received wireless network, the available network filtered out in each wireless network is prepared against use; (d) test the throughput of each above-mentioned filtered out available network; (e) test the response time of above-mentioned each available network; (f) according to throughput and the length of response time of each tested out available network, each available network is sorted; Described step (f) comprises step: (f1) according to the throughput size of each tested out available network, sorted, the available network that throughput is larger comes front; (f2) check in the above-mentioned available network sorted by the throughput size and whether have the throughput of any two available networks to differ in 5%, if have, the length of the response time of these two available networks relatively, the available network that the response time is short comes long available network front of response time; (g) select sequence wireless network up front to be connected with described computer.
Compared to prior art, the described Intelligent network-selecting system and method based on plurality of wireless networks, it goes automatically to select optimum any wireless network services in the time of can allowing computer in the environment in the plurality of wireless networks service, make computer reach best effective utilization.
The accompanying drawing explanation
Fig. 1 is the hardware structure figure that the present invention is based on the Intelligent network-selecting system preferred embodiment of plurality of wireless networks.
Fig. 2 is the functional block diagram that the present invention is based on the Intelligent network-selecting system of plurality of wireless networks.
Fig. 3 is the flow chart that the present invention is based on the Intelligent network-selecting method preferred embodiment of plurality of wireless networks.
Embodiment
As shown in Figure 1, be the hardware structure figure that the present invention is based on the Intelligent network-selecting system preferred embodiment of plurality of wireless networks.Should the Intelligent network-selecting system 40 based on plurality of wireless networks run in computer 4, this computer 4 is connected with the first receive data by wireless unit 1 and the second receive data by wireless unit 2 respectively by communication data integral unit 3, in other embodiments, this computer 4 can connect plural receive data by wireless unit by described communication data integral unit 3, and plural wireless network is carried out to Intelligent network-selecting.Described communication data integral unit 3 sends computer 4 to for the network signal that each receive data by wireless unit is received.Described the first receive data by wireless unit 1 and the second receive data by wireless unit 2 be the corresponding network signal received in two different networks respectively, and export respectively a SNR(Signal to Noise Ratio according to received network signal by described communication data integral unit 3: signal to noise ratio) value is to described computer 4, for convenience of description, now suppose that described the first receive data by wireless unit 1 is for receiving the signal of network a, described the second receive data by wireless unit 2 is for receiving the signal of network b.Described SNR value refers to radio-frequency (RF) signal strength in the network signal that described each receive data by wireless unit receives and the ratio of interference signal intensity, and described SNR value is higher, means that the quality of network is better.The described Intelligent network-selecting system 40 based on plurality of wireless networks is for the throughput of testing each wireless network and the response time of testing each wireless network, and with the response time, goes to select an optimum wireless network to be connected with described computer 4 according to the throughput of each tested out wireless network.Described throughput refers to that described computer 4 is connecting while connecting to the Net, in the situation that do not have LOF can receiving network data maximum rate.The described response time refers to described computer 4, and after connecting while connecting to the Net, to this network, sending request of data, this network return network data packet is to this needed time of computer 4, and the response time, shorter network quality was better.
As shown in Figure 2, be the functional block diagram that the present invention is based on the Intelligent network-selecting system of plurality of wireless networks.Should the Intelligent network-selecting system 40 based on plurality of wireless networks comprise signal receiving module 401, network screening module 402, the first test module 403, the second test module 404, network order module 405, network selection module 406, detection module 407 and reminding module 408.Described signal receiving module 401 is for the network a that receives described the first receive data by wireless unit 1 and described the second receive data by wireless unit 2 and export and the SNR value of network b; Described network screening module 402 filters out the available network of network a and network b for the SNR value according to the received network a of above-mentioned signal receiving module 401 and network b.Particularly, difference according to each wireless network radio frequency standard, can set respectively the SNR threshold value of each wireless network, for example, if the SNR threshold value of setting network a is 20dB, when the SNR value that the wireless network signal in the network a that described the first receive data by wireless unit 1 receives is exported is greater than 20dB, mean that this network a is available network, otherwise described computer 4 will abandon using this network a.Described the first test module 403 is for the throughput of the available network testing described network screening module 402 and screen.Described the second test module 404 is for testing the response time of each available network.Described network order module 405 was sorted to each available network for throughput and the response time of each available network according to above-mentioned test, particularly, at first according to available network throughput size, sorted, the available network that throughput is larger comes front, secondly, for the throughput size, differ 5% with any two interior available networks, according to the length of described available network response time, these two available networks are sorted, also be about to short available network of response time and come long available network front of response time.Described network selection module 406 is for selecting above-mentioned sequence available network up front to be connected with described computer 4.Whether described detection module 407 has reception or sends the network data package for detect at regular intervals once the above-mentioned network connected when described computer 4 has connected upper available network, if having, this network connected receives or sends the network data package, continue to keep this network connected, otherwise can re-start the selection network.Whether this detection module 407, also for when this computer 4 has been connected with available network, detects and has other receive data by wireless unit to open and receive network signal.Described reminding module 408 is opened for the receive data by wireless unit that detects other when above-mentioned detection module 407 and while receiving network signal, the prompting user is confirmed whether to be reselected network.
As shown in Figure 3, be the flow chart that the present invention is based on the Intelligent network-selecting method preferred embodiment of plurality of wireless networks.Step S01, described the first receive data by wireless unit 1 and described the second receive data by wireless unit 2 receive respectively the SNR value of the wireless network signal of network a and network b output network a and network b to described computer 4.
Step S02, described signal receiving module 401 receives above-mentioned exported network a and the SNR value of network b.
Step S03, described network screening module 402 is according to the SNR value of received network a and network b, and the available network filtered out in network a and network b is prepared against use.
Step S04, the throughput of the available network that described the first test module 403 tests are above-mentioned filtered out.
Step S05, the response time of described second test module 404 each available networks of test.
Step S06, described network order module 405 was sorted to each available network according to throughput and the response time of each above-mentioned tested out available network.
Step S07, described network selection module 406 selects sequence available network up front to be connected with described computer 4.
Step S08, whether described detection module 407 detects once the above-mentioned network connected at set intervals has reception or sends the network data package, as detected once every 2 minutes, each detection 3 seconds that continue.
Reception arranged or send the network data package if the above-mentioned network connected detected in step S08, entering step S09, otherwise return to step S01.
Step S09, maintain the current wireless network connected and return to step S08.
In the present invention, when computer 4 has been connected with available network, whether described detection module 407 detects has other receive data by wireless unit to open and receive network signal.When having detected, other receive data by wireless unit is opened and while receiving network signal, the prompting user is confirmed whether to reselect network, if the user confirms to reselect network, enters step S01; If the user confirms not need to reselect network or when not detected that other receive data by wireless unit is opened and while receiving network signal, having maintained the available network of original connection and enter step S08.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (8)
1. the Intelligent network-selecting system based on plurality of wireless networks, this system runs in computer, this computer is connected with a plurality of receive data by wireless unit by the communication data integral unit, it is characterized in that, described a plurality of receive data by wireless unit is used for receiving the network signal of each corresponding wireless network, and exports the signal to noise ratio of each wireless network;
This system comprises:
Signal receiving module, for receiving the signal to noise ratio of each wireless network of exporting described a plurality of receive data by wireless unit;
Network screens module, filters out the available network of each wireless network for the signal to noise ratio according to received;
The first test module, for testing the throughput of above-mentioned each available network;
The second test module, for testing the response time of above-mentioned each available network;
The network order module, sorted to each available network for throughput and the response time of each available network according to tested out;
Described network order module is sorted and is realized by following steps each available network:
(f1) according to the throughput size of each tested out available network, sorted, the available network that throughput is larger comes front;
(f2) check in the above-mentioned available network sorted by the throughput size and whether have the throughput of any two available networks to differ in 5%, if have, the length of the response time of these two available networks relatively, the available network that the response time is short comes long available network front of response time;
Network selection module, be connected with described computer for selecting each available network sequence wireless network up front.
2. the Intelligent network-selecting system based on plurality of wireless networks as claimed in claim 1, is characterized in that, this system also comprises:
Whether detection module, have reception or send the network data package for detecting at set intervals the wireless network that once described computer has connected.
3. the Intelligent network-selecting system based on plurality of wireless networks as claimed in claim 2, it is characterized in that, whether described detection module, also for when described computer has connected upper wireless network, detect and have other receive data by wireless unit to open and receive wireless network signal; And
This system also comprises reminding module, for opening and while receiving wireless network signal, the prompting user is confirmed whether to reselect other wireless network and is connected the receive data by wireless unit when detecting other.
4. the Intelligent network-selecting system based on plurality of wireless networks as claimed in claim 1, is characterized in that, described communication data integral unit sends computer to for the wireless network signal that the receive data by wireless unit is received.
5. the Intelligent network-selecting method based on plurality of wireless networks, the method is applied in computer, and this computer is connected with a plurality of receive data by wireless unit by the communication data integral unit, it is characterized in that, and the method comprises the steps:
(a) described a plurality of receive data by wireless unit receives the network signal of each corresponding wireless network and exports the signal to noise ratio of each wireless network;
(b) described computer receives the signal to noise ratio of each wireless network of above-mentioned output;
(c), according to the signal to noise ratio of each received wireless network, the available network filtered out in each wireless network is prepared against use;
(d) test the throughput of each above-mentioned filtered out available network;
(e) test the response time of above-mentioned each available network;
(f) according to throughput and the length of response time of each tested out available network, each available network is sorted;
Described step (f) comprises step:
(f1) according to the throughput size of each tested out available network, sorted, the available network that throughput is larger comes front;
(f2) check in the above-mentioned available network sorted by the throughput size and whether have the throughput of any two available networks to differ in 5%, if have, the length of the response time of these two available networks relatively, the available network that the response time is short comes long available network front of response time;
(g) select sequence wireless network up front to be connected with described computer.
6. the Intelligent network-selecting method based on plurality of wireless networks as claimed in claim 5, is characterized in that, the method also comprises step:
When this computer connects upper wireless network, whether have reception or send network data package, continue to maintain the wireless network that this has connected if having if detecting at set intervals the wireless network once connected; Otherwise return to step (a).
7. the Intelligent network-selecting method based on plurality of wireless networks as claimed in claim 6, is characterized in that, the method also comprises step:
(h) when this computer has connected upper wireless network, detect and whether have other receive data by wireless unit to open and receive wireless network signal, if having, proceed to step (i), otherwise proceed to step (j);
(i) point out the user to be confirmed whether to reselect other wireless network and connected, connected if the user confirms to reselect other network, return to step (a), otherwise proceed to step (j);
(j) maintain the wireless network that this has connected.
8. the Intelligent network-selecting method based on plurality of wireless networks as claimed in claim 5, is characterized in that, described communication data integral unit sends computer to for the wireless network signal that the receive data by wireless unit is received.
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| CN103037469B (en) * | 2011-10-08 | 2016-03-30 | 中国移动通信集团公司 | Access network selection method, subscriber equipment, system and network selection policy unit |
| CN106304223B (en) * | 2015-05-21 | 2020-09-29 | 西安中兴新软件有限责任公司 | Network mode switching method, device and system |
| CN111935820B (en) * | 2020-09-24 | 2021-06-25 | 腾讯科技（深圳）有限公司 | Positioning implementation method based on wireless network and related equipment |
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| EP0933954B1 (en) * | 1997-11-26 | 2005-06-15 | Motorola Ltd | Method of investigating and method of altering a topology of a cellular communication system |
| CN1881909A (en) * | 2006-05-15 | 2006-12-20 | 西安西电捷通无线网络通信有限公司 | Method for co-collecting IP network performance by active type measure and passive type measure |
| CN101374295A (en) * | 2007-08-21 | 2009-02-25 | 华为技术有限公司 | Method and terminal for selecting access network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0933954B1 (en) * | 1997-11-26 | 2005-06-15 | Motorola Ltd | Method of investigating and method of altering a topology of a cellular communication system |
| CN1881909A (en) * | 2006-05-15 | 2006-12-20 | 西安西电捷通无线网络通信有限公司 | Method for co-collecting IP network performance by active type measure and passive type measure |
| CN101374295A (en) * | 2007-08-21 | 2009-02-25 | 华为技术有限公司 | Method and terminal for selecting access network |
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