Network switching method, network switching device and terminal

A network switching and network technology, applied in wireless communication, access restrictions, electrical components, etc., can solve problems such as troublesome use

Active Publication Date: 2015-02-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, most mobile terminals are manually selected by the user to use a certain communication system first. The user first needs to actively search for the currently available WLAN network, and secondly, ...

Method used

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  • Network switching method, network switching device and terminal
  • Network switching method, network switching device and terminal
  • Network switching method, network switching device and terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0116] The terminal is in the first network. The first network is a private WLAN subnet in the WLAN network. This network can provide terminal users with a bandwidth between 1-2M. At this time, if it is detected that there is an available second network around the terminal , the second network is the operator's WLAN subnetwork in the WLAN network, which can provide end users with a bandwidth of up to 5M, then the terminal can also be switched from the private WLAN subnetwork to the operator's WLAN subnetwork to obtain higher bandwidth.

[0117] Of course, the handover of the terminal between networks is not limited to the above-mentioned handover between the LTE and WLAN networks, or the handover between WLAN sub-networks, and the handover between other networks is also within the protection scope of the present invention.

[0118] In the embodiment of the present invention, preferably, the first network list of the private WLAN subnet and the second network list of the operat...

Embodiment 2

[0140] The second cycle is 3.84 seconds, and the number of sampling is 3 times, that is, sampling is performed every 1.28 seconds, and the average value of the 3 results is used in each cycle.

[0141] Further, the judging whether the current channel quality parameter of the first network is lower than the historical channel quality parameter of the second network pre-stored in the terminal, and obtaining the second judgment result is specifically:

[0142] Judging whether the current channel quality parameter of the first network is lower than the historical channel quality parameter of the second network within the first time period preset by the terminal, and obtaining a second judgment result;

[0143] When the second judgment result indicates that the current channel quality parameter of the first network is lower than the historical channel quality parameter of the second network within the first time period, determining that the second detection result is specifically th...

Embodiment 3

[0176] The adjustment factor of the throughput rate in the LTE network channel u=1 / (|SNR'*RSSI'|), where SNR' is the average signal-to-noise ratio of the LTE network, and RSSI' is the average received signal strength of the LTE network.

[0177] The value of RSSI is generally a negative value, so the higher the signal quality parameter of the LTE network, that is, the stronger the average received signal strength, the larger the average signal-to-noise ratio, the smaller the absolute value of the product of the two, the larger the adjustment factor u, and the corresponding In general, the smaller the adjustment factor of the packet loss rate in the LTE network channel, the better the channel quality of the LTE network.

[0178] In the embodiment of the present invention, when the terminal is in the first network, if it detects that there is an available second network around, it will directly register the second network according to the list information of the network list pre-...

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Abstract

A network switching method, device, and terminal. The method comprises: when the terminal accesses a first network, detecting whether a second network exists around the terminal, to obtain a first detection result (11); when the first detection result indicates that there is the second network, register with the second network (12); when the registration with the second network succeeds, detecting whether the terminal meets a switch condition under which the terminal is switched from the first network to the second network, to obtain a second detection result (13); and when the second detection result indicates that the terminal meets the switch condition, switching the mobile terminal from the first network to the second network (14).

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a network switching method, device and terminal. Background technique [0002] With the development of mobile Internet and Internet of Things technology, there are more and more heterogeneous networks, based on General Packet Radio Service (GPRS) and third generation mobile communication technology (3rd Generation, 3G) The mobile communication network can provide large-scale network coverage, and the long-term evolution network (Long Term Evolution, LTE) as the fourth generation mobile communication standard (4th Generation, 4G) has also begun large-scale deployment. Compared with the third generation, LTE The transmission rate of the second-generation communication standard has been greatly improved, which is the goal and evolution direction of future mobile broadband technology. At the same time, with the increasing demand for electronic terminal product equipment...

Claims

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Application Information

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IPC IPC(8): H04W36/14
CPCH04W48/18H04W36/0066H04W36/14H04W36/30H04W60/00H04W36/008375
Inventor 相海涛淮永龙郑巍高夕玲陈林庄莉
Owner ZTE CORP
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