Link switching method and system in a wireless communication network

A wireless communication network and link switching technology, applied in the field of link switching methods and systems, can solve the problems of air interface signaling transmission and air interface overhead, affecting wireless channel transmission bandwidth, etc., to reduce state maintenance work, reduce air interface signal The effect of reducing signaling overhead and reducing signaling overhead

Active Publication Date: 2020-02-18
BEIJING JIAOTONG UNIV
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Problems solved by technology

Due to the large amount of signaling data interaction in this process, the problem of air interface signaling transmission and air interface overhead is too large, which greatly affects the transmission bandwidth of the wireless channel.

Method used

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  • Link switching method and system in a wireless communication network
  • Link switching method and system in a wireless communication network
  • Link switching method and system in a wireless communication network

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Embodiment Construction

[0051]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0052] In the wireless communication network, what is connected with the link is a mobile terminal device that can realize wireless communication with the base station. description, but it should be known that all devices that can realize the same functions as the mobile station of the present invention are within the protection scope of the presen...

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Abstract

The invention provides a link switching method and system in a wireless communication network. The method comprises the following steps: scanning base stations with signal to noise ratios greater than a first threshold within a preset range; establishing a link connection with the base station having the largest signal to noise ratio according to a scanning result, obtaining standby base stations with signal to noise ratios greater than a second threshold according to the scanning result, establishing link connections with obtained one or more standby base stations separately, and using the links of the obtained standby base stations as standby links; and when the communication quality on a main link becomes worse, selecting a standby link to perform link switch, and after the success of the link switch, obtaining the standby base stations again, and establishing the standby links. The system comprises a scanning module, a main link module, a standby link module and a link switching module. By adoption of the link switching method and system provided by the invention, the links in the wireless communication network are switched quickly and reliably, ping-pong switch between wireless links is reduced while the stable and quick switch of the wireless links is realized, and the business data transmission ability of air interfaces is improved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a link switching method and system in a wireless communication network. Background technique [0002] With the rapid development of communication technology, especially wireless communication technology, wireless communication technology does not need to lay complex communication cables, provides high-throughput two-way traffic channels, supports equipment movement, and provides convenient, fast and reliable communication network access, equipment installation, The advantages of convenient layout and maintenance, simplicity, and low cost have prompted the rapid application of radio technology in various industrial control systems. The general wireless communication technology adopts the cellular or network coverage method when setting the wireless signal coverage, so it can easily realize the wireless signal coverage of the adjacent cells at the same locati...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/30H04W48/16
CPCH04W36/30H04W48/16
Inventor 宁滨马连川付强
Owner BEIJING JIAOTONG UNIV
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