Train WiFi

Unanswered Question
Sep 2nd, 2007

Hello,

We're planning to provide WiFi at train system. Each train has 5 carriages and each carriage has one AP.

How we can provide adjacent channels for the carriages APs, so their signals will not bleed over into each other's channel, disrupting both channels?

puting into consideration that the system has two close railways. so, the AP on one carriage will be affected by other carriages on the same train and by other carriages on the other railway train.

for your consultation

I have this problem too.
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jockep Mon, 09/03/2007 - 03:13

Hi,

i would be using directional antennas and plan the the channels to be repeated at every 3th carriage (if you are going to use b or g). I don't think a intertrain problem will occure since they are a hugh metal case and the signal will be effected a lot of that and degree to a level of no inteference issue. That in combination of directional antennas i believe solve your problem. Allso remeber to use the powercontrol and put the power to a minimum level (i guess you dont need 54 Mbps in the carriage since the uplink would not be to high?).

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