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Network seamless covering method and system based on fast access of 802.11 wireless terminal

A technology for wireless terminals and network access, which is applied in the field of seamless network coverage for fast access by wireless terminals, and can solve problems such as low data transmission throughput and unstable access to communication systems, reducing communication blind spots and improving node coverage. range, the effect of improving communication quality and communication efficiency

Active Publication Date: 2015-03-25
SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a network seamless coverage method and system based on 802.11 wireless terminal fast access, which is used to solve the problem of aircraft landing and parking in the strong interference environment of existing civil aviation airports. The problem of unstable access to the airport ground communication system and low throughput of data transmission

Method used

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  • Network seamless covering method and system based on fast access of 802.11 wireless terminal
  • Network seamless covering method and system based on fast access of 802.11 wireless terminal
  • Network seamless covering method and system based on fast access of 802.11 wireless terminal

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Embodiment 1

[0045] This embodiment provides an 802.11-based wireless terminal fast access network seamless coverage method, such as figure 1 As shown, the method for seamless network coverage based on 802.11 wireless terminal fast access includes:

[0046] Set up a fixed AP access point at the location where the 802.11-based wireless terminal pre-accesses the network. Wherein, the location where the 802.11-based wireless terminal pre-accesses the network is set according to an actual application scenario, and the application scenario may be an airport or other environments where multiple networks overlap and have strong mutual interference.

[0047] The fixed AP access point is provided with a multi-user antenna set for receiving signals transmitted by 802.11-based wireless terminals and shielding interference signals, reducing electromagnetic noise and improving system throughput. further, such as figure 2 As shown, the multi-user antenna set includes at least 2 antenna array elements...

Embodiment 2

[0065] This embodiment provides a network seamless coverage method and system for rapid access of wireless terminals based on 802.11 in the strong interference environment of civil aviation airports. The difference from Embodiment 1 is that the network seamless coverage method and system It is applied in the strong interference environment of civil aviation airports.

[0066] The application scenario of the network seamless coverage method for fast access of wireless terminals based on 802.11 in the strong interference environment of civil aviation airports is as follows Figure 8 As shown, the implementation process of this embodiment is briefly described as follows:

[0067] Set up a fixed AP access point at the position where the aircraft is pre-connected to the Mesh network. Among them, the positions where the aircraft is pre-connected to the Mesh network include taxi runways, terminal buildings, boarding gates, and remote parking points. When the aircraft is parked at t...

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Abstract

The invention provides a network seamless covering method and system based on fast access of an 802.11 wireless terminal. The method includes the steps that a fixed AP is set in the position of a pre-access network based on the 802.11 wireless terminal; a multi-user antenna set for receiving signals transmitted based on the 802.11 wireless terminal, shielding interference signals, lowering electromagnetic noise and increasing the system throughput is arranged on the fixed AP; the fixed AP has access to a Mesh network through an MP access point in the Mesh network, and information contained in the received signals is transmitted to the Mesh network to be transmitted. By the adoption of the method and system, in a severe signal-to-noise-ratio environment, communication quality and communication efficiency are improved, the node coverage range is increased, communication blind districts are effectively reduced, the fixed AP is compatible in the Mesh network, a hybrid Mesh network is formed, all terminal equipment can be compatible, seamless coverage is achieved, and the problems that wireless equipment in an existing network is difficult in access, data transmission throughput is low, and network coverage is not complete are solved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and relates to a method for seamless network coverage, in particular to a method and system for seamless network coverage based on 802.11 fast access of wireless terminals. Background technique [0002] In large-scale civil aviation airports, there are many public and private networks used for different services, and there is no unified planning for operating frequencies and wireless channels. Interference, multipath fading, and receiver blocking make it difficult and unstable for network terminals to access and reduce throughput. [0003] Contemporary new civil aviation aircraft are equipped with airborne 802.11-based wireless terminals. When the aircraft lands, taxis, and stops at the boarding gate and remote hangar, it is hoped that it can be connected to the ground airline data communication equipment and communicate at a stable speed as soon as possible. However, in the case ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/26H04B7/04
CPCH04B7/084H04B7/0842H04B7/0854H04B7/086H04W16/26H04W16/28
Inventor 徐浩煜汪亮友周晗幺一
Owner SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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