TWI497973B - Intelligent method and system for selecting network service based on various wireless networks - Google Patents

Description

Wisdom selection network system and method based on multiple wireless networks

The present invention relates to a smart network selection system and method based on multiple wireless networks.

With the continuous development of wireless network technology, more and more computer users have begun to choose wireless networks to provide Internet services. In the case of notebook computers, many notebook users now use WIFI (Wireless Fidelity: Wireless). Fidelity, commonly known as wireless broadband, provides services to access the Internet. With the introduction of 3G wireless networks, users can also install 3G wireless network cards on their laptops and use the services provided by 3G wireless networks to access the Internet. When the notebook computer can use either WIFI or 3G wireless Internet access, users need to choose which network to use to provide Internet access, and the selected network is not necessarily the best quality network. . Therefore, as the variety of wireless network services continues to increase, it will become increasingly important to let computers automatically select the best wireless network services when they are in a variety of wireless network services.

In view of the above, it is necessary to provide a smart network selection system and method based on multiple wireless networks, which allows a computer to automatically select an optimal wireless network service while in a variety of wireless network service environments.

The smart network selection system based on a plurality of wireless networks, the system running in a computer, the computer being connected to a plurality of wireless data receiving units by a communication data integration unit, wherein the plurality of wireless data receiving units are configured to receive respective correspondences a network signal of the wireless network, and outputting a signal to noise ratio of each wireless network; the system includes: a signal receiving module, configured to receive a signal to noise ratio of each wireless network output by the plurality of wireless data receiving units; a network screening module, configured to filter available networks in each wireless network according to the received signal to noise ratio; a first test module for testing the throughput of each of the available networks; and a second test mode a group for testing the response time of each of the available networks; a network sequencing module for sorting the available networks according to the tested throughput and response time of each available network; Used to select the top-ranked wireless network in each available network to connect to the computer.

The smart network selection method based on multiple wireless networks, the method is applied to a computer, and the computer is connected to a plurality of wireless data receiving units by a communication data integration unit, the method comprising the following steps: (a) the plurality of The wireless data receiving unit receives the network signal of each corresponding wireless network and outputs the signal to noise ratio of each wireless network; (b) the computer receives the signal to noise ratio of each of the wireless networks outputted; (c) according to the received The signal-to-noise ratio of each wireless network, screening out the available networks in each wireless network for use; (d) testing the throughput of each of the selected available networks; (e) testing the above available networks The response time of the road; (f) sorting the available networks according to the tested throughput and response time of each available network; (g) selecting the top-ranked wireless network to perform with the computer connection.

Compared with the prior art, the intelligent network selection system and method based on multiple wireless networks can enable a computer to automatically select an optimal wireless network service when in a wireless network service environment. The computer achieves optimal performance.

1‧‧‧First wireless data receiving unit

2‧‧‧Second wireless data receiving unit

3‧‧‧Communication data integration unit

4‧‧‧ computer

40‧‧‧Smart network selection system based on multiple wireless networks

401‧‧‧Signal receiving module

402‧‧‧Network Screening Module

403‧‧‧First test module

404‧‧‧Second test module

405‧‧‧Network sequencing module

406‧‧‧Network Selection Module

407‧‧‧Test module

408‧‧‧ prompt module

S01‧‧‧ Wireless data receiving unit receives the signals of each wireless network and outputs the SNR value of each network

S02‧‧‧ SNR value of each network receiving the above output

S03‧‧‧ Filter out available networks for use according to the SNR values of the received networks mentioned above

S04‧‧‧Test the throughput of each available network

S05‧‧‧Test the response time of each available network

S06‧‧‧Sort the available networks based on the throughput and response time tested above

S07‧‧‧Select the above sorting to connect to the computer at the front of the available wireless network

S08‧‧‧Check if the connected network receives or sends data packets at regular intervals?

S09‧‧‧Maintain the currently connected network

1 is a hardware architecture diagram of a preferred embodiment of a smart network selection system based on multiple wireless networks of the present invention.

FIG. 2 is a functional module diagram of a smart network selection system based on multiple wireless networks according to the present invention.

3 is a flow chart of a preferred embodiment of a smart network selection method based on multiple wireless networks according to the present invention.

1 is a hardware architecture diagram of a preferred embodiment of a smart network selection system based on multiple wireless networks. The smart network selection system 40 based on a plurality of wireless networks runs in the computer 4, and the computer 4 is connected to the first wireless data receiving unit 1 and the second wireless data receiving unit 2 via the communication data integration unit 3, respectively. In the example, the computer 4 can connect two or more wireless data receiving units through the communication data integration unit 3 to perform smart selection of two or more wireless networks. The communication data integration unit 3 is configured to transmit the network signal received by each wireless data receiving unit to the computer 4. The first wireless data receiving unit 1 and the second wireless data receiving unit 2 respectively receive network signals in two different wireless networks, and respectively pass the communication data integration unit 3 according to the received network signals. Outputting an SNR (Signal to Noise Ratio) value to the computer 4, for convenience of explanation, it is assumed that the first wireless data receiving unit 1 is configured to receive a signal in the network a, the second wireless The data receiving unit 2 is configured to receive signals in the network b. The SNR value is a ratio of the strength of the RF signal and the strength of the interference signal in the network signal received by each of the wireless data receiving units. The higher the SNR value, the better the quality of the network. The smart network selection system 40 based on multiple wireless networks is used for testing The throughput of each wireless network is tested and the response time of each wireless network is tested, and an optimal wireless network is selected for connection with the computer 4 based on the measured throughput and response time of each wireless network. The throughput refers to the maximum rate at which the computer 4 can receive network data without a frame loss when connected to the network. The response time refers to that the computer 4 sends a data request to the network when the network is connected to the network, and when the network server receives the data request, it returns the relevant network data packet to the computer 4. Time, the shorter the response time, the better the network quality.

As shown in FIG. 2, it is a functional module diagram of a smart network selection system based on multiple wireless networks. The smart network selection system 40 based on multiple wireless networks includes a signal receiving module 401, a network screening module 402, a first testing module 403, a second testing module 404, a network sequencing module 405, and network selection. Module 406, detection module 407, and prompt module 408. The signal receiving module 401 is configured to receive SNR values of the network a and the network b output by the first wireless data receiving unit 1 and the second wireless data receiving unit 2; the network screening module The 402 is configured to filter the available networks in the network a and the network b according to the SNR values received by the signal receiving module 401 and the network a and the network b. Specifically, according to different radio network radio specifications, the SNR threshold of each wireless network may be separately set, for example, if the SNR threshold of the network a is set to 20 dB, when the first wireless data receiving unit 1 When the SNR value output by the wireless network signal in the received network a is greater than 20 dB, it indicates that the network a is an available network, otherwise the computer 4 will abandon the use of the network a. The first test module 403 is configured to test the throughput of the available network screened by the network screening module 402. The second test module 404 is configured to test the response time of each available network. The network sequencing module 405 is configured to sort the available networks according to the throughput and response time of each available network tested above, specifically, according to the available network throughput. Row sorting, which ranks the available network with higher throughput, and secondly, for any two available networks whose throughput sizes differ within 5%, the two are available according to the length of the available network response time. The network is sorted, and the available network with a short response time is placed in front of the available network with a long response time. The network selection module 406 is configured to select the above-mentioned available network at the top of the ranking to connect with the computer 4. The detecting module 407 is configured to detect, at a certain time, when the computer 4 is connected to an available network, whether the connected network receives or sends a network data packet, if the connected network has Receiving or sending a network data packet will continue to hold the connected network, otherwise the network will be re-selected. The detecting module 407 is further configured to detect whether another wireless data receiving unit turns on and receives the network signal when the computer 4 is connected to the available network. The prompting module 408 is configured to prompt the user to confirm whether the network needs to be reselected when the detecting module 407 detects that another wireless data receiving unit is turned on and receives the network signal.

As shown in FIG. 3, it is a flowchart of a preferred embodiment of the smart network selection method based on multiple wireless networks. Step S01, the first wireless data receiving unit 1 and the second wireless data receiving unit 2 respectively receive the wireless network signals of the network a and the network b and output the SNR values of the network a and the network b. Said computer 4.

In step S02, the signal receiving module 401 receives the SNR values of the output network a and the network b.

In step S03, the network screening module 402 filters the available networks in the network a and the network b for use according to the received SNR values of the network a and the network b.

In step S04, the first test module 403 tests the throughput of the filtered available network.

In step S05, the second test module 404 tests the response time of each available network.

In step S06, the network sequencing module 405 sorts the available networks according to the tested throughput and response time of each available network.

In step S07, the network selection module 406 selects the available network that is sorted at the top to connect with the computer 4.

In step S08, the detecting module 407 detects, at intervals, whether the connected network has received or sent a network data packet, such as detecting every 2 minutes, and continuously detecting for 3 seconds each time.

If it is detected in step S08 that the connected network has received or transmitted network data packets, the process proceeds to step S09, otherwise returns to step S01.

In step S09, the currently connected wireless network is maintained.

In the present invention, when the computer 4 is connected to an available network, the detecting module 407 detects whether another wireless data receiving unit turns on and receives the network signal. When it is detected that another wireless data receiving unit is turned on and receives the network signal, the user is prompted to confirm whether the network needs to be reselected. If the user confirms that the network needs to be reselected, the process proceeds to step S01; if the user confirms that the network does not need to be reselected Or when it is not detected that another wireless data receiving unit is turned on and receives the network signal, the original connected available network is maintained and the process proceeds to step S08.

The above embodiments are only used to illustrate the technical solutions of the present invention, and the present invention is not limited thereto. The present invention will be described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the technical solutions of the present invention may be modified or substituted. Without departing from the spirit and scope of the technical solutions of the present invention.

S01‧‧‧ Wireless data receiving unit receives the signals of each wireless network and outputs the SNR value of each network

S02‧‧‧ SNR value of each network receiving the above output

S03‧‧‧ Filter out available networks for use according to the SNR values of the received networks mentioned above

S04‧‧‧Test the throughput of each available network

S05‧‧‧Test the response time of each available network

S06‧‧‧Sort the available networks based on the throughput and response time tested above

S07‧‧‧Select the above sorting to connect to the computer at the front of the available wireless network

S08‧‧‧Check if the connected network receives or sends data packets at regular intervals?

S09‧‧‧Maintain the currently connected network

Claims (8)

A smart network selection system based on a plurality of wireless networks, the system running in a computer, the computer being connected to a plurality of wireless data receiving units by a communication data integration unit, wherein the plurality of wireless data receiving units are configured to receive respective wireless devices a network signal of the network, and outputting a signal to noise ratio of each wireless network; the system includes: a signal receiving module, configured to receive a signal to noise ratio of each wireless network output by the plurality of wireless data receiving units; a channel screening module, configured to filter available networks in each wireless network according to the received signal to noise ratio; a first test module for testing the throughput of each of the available networks; and a second test module For testing the response time of each of the available networks; the network sequencing module is configured to sort the available networks according to the tested throughput and response time of each available network, including the following steps: (f1 Depending on the measured throughput of each available network, the available networks with higher throughput are ranked first; and (f2) check if the above-mentioned available networks are sorted by throughput size The throughput of any two available networks differs by less than 5%. If there is, the response time of the two available networks is compared, and the available network with short response time is placed in front of the available network with long response time. A network selection module for selecting a wireless network that is ranked first in each available network to connect to the computer. The smart network selection system based on multiple wireless networks, as described in claim 1, the system further includes: a detection module, configured to detect, at intervals, whether the wireless network connected to the computer is connected Receive or send network data packets. The detection module is further configured to detect whether there is another wireless data receiving when the computer is connected to the wireless network, as described in the second aspect of the invention. The unit turns on and receives the wireless network signal; and the system further includes a prompting module for prompting the user to confirm whether another wireless network needs to be re-selected when detecting that another wireless data receiving unit is turned on and receiving the wireless network signal Make a connection. The wireless data selection system based on the plurality of wireless networks described in claim 1, wherein the communication data integration unit is configured to transmit the wireless network signal received by the wireless data receiving unit to the computer. A smart network selection method based on multiple wireless networks, the method is applied to a computer, and the computer is connected to a plurality of wireless data receiving units through a communication data integration unit, the method comprising the following steps: (a) the plurality of wireless The data receiving unit receives the network signal of each corresponding wireless network and outputs the signal to noise ratio of each wireless network; (b) the computer receives the signal to noise ratio of each of the output wireless networks; (c) according to the received The signal-to-noise ratio of each wireless network filters out the available networks in each wireless network for use; (d) tests the throughput of each of the selected available networks; (e) tests the available networks Response time; (f) sorting the available networks according to the tested throughput and response time of each available network, including the following steps: (f1) According to the tested throughput of each available network Sort the quantity to rank the available network with higher throughput; and (f2) check if the throughput of any two available networks in the above-mentioned available throughput sorts differs by 5% Within, if there is, compare the two The length of response time of available networks will be short response time The available network is placed in front of the available network with a long response time; (g) Select the top-ranked wireless network to connect to the computer. The method for intelligently selecting a network based on multiple wireless networks according to claim 5, the method further comprising the steps of: detecting, when the computer is connected to the wireless network, detecting the connected wireless network at intervals Receive or send a network data packet, if any, continue to maintain the connected wireless network, otherwise return to step (a). The method for intelligently selecting a plurality of wireless networks according to claim 5, the method further comprising the steps of: (h) detecting whether there is another wireless data receiving unit when the computer is connected to the wireless network; Turn on and receive the wireless network signal, if yes, go to step (i), otherwise go to step (j); (i) prompt the user to confirm whether you need to re-select other wireless networks to connect, if the user confirms the need to re-select If the other network is connected, return to step (a), otherwise go to step (j); (j) maintain the connected wireless network. The method for intelligent network selection based on multiple wireless networks according to claim 5, wherein the communication data integration unit is configured to transmit the wireless network signal received by the wireless data receiving unit to the computer.