Title:
METHOD, DEVICE AND SYSTEM FOR MANAGING CHANNELS OF WIRELESS LOCAL AREA NETWORK IN RAIL TRANSIT
Document Type and Number:
WIPO Patent Application WO/2016/138837
Kind Code:
A1
Abstract:
Disclosed are a method and device for managing channels of a wireless local area network in rail transit, and a wireless local area network system in the rail transit. The method includes: a controller determines a trackside access point (AP) to be changed of a first vehicle, wherein the trackside AP to be changed of the first vehicle is behind the first vehicle and the distance between the trackside AP to be changed and the first vehicle exceeds a preset threshold. The controller instructs the trackside AP to be changed to change the working channel from the working channel of a first vehicle-mounted AP of the first vehicle to the working channel of a second vehicle-mounted AP of a second vehicle, wherein the second vehicle is the vehicle next to the first vehicle. Because the working channels of the two vehicle-mounted APs are different, the interference between the vehicle-mounted AP of the vehicle ahead and the vehicle-mounted AP of vehicle behind is little, meanwhile, the trackside AP behind the vehicle ahead is instructed to change the channel, so that the vehicle-mounted AP dose not need to change the channel, and the switching time is thus short.
Inventors:
RUAN WEI (CN)
TAN HONGYI (CN)
WANG MINGYUE (CN)
TAN HONGYI (CN)
WANG MINGYUE (CN)
Application Number:
PCT/CN2016/074768
Publication Date:
September 09, 2016
Filing Date:
February 27, 2016
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04W24/02
Foreign References:
| CN102883382A | 2013-01-16 | |||
| CN101917749A | 2010-12-15 | |||
| US8914167B2 | 2014-12-16 |
Other References:
See also references of EP 3253107A4
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