Channel in HT40 and VHT80

Vu Hai NGUYEN vh.nguyen at actiasodielec.fr
Wed Jun 18 10:11:00 EDT 2014


>> I also have another questions: I can set up channel from 36 to 128 for 802.11ac mode using ath10k and
>> hostapd. But both channels 132 and 136 is automatically converted to another channel (100,116 or whatever..)
>> Is this normal???. And channel 140 is only enabled in HT20 (not HT40 and VHT80) for Atheros card?

>I'm not completely sure I understood the exact question, but VHT has a
>bit different way of configuring channels. Regulatory rules have affect
>on how different channel bandwidths can be used especially near either
>end of each operating class.

My mistake because I'm using the regulatory rule of French so the maximum channel is 140 and with the bandwidth 80Mhz I can not use channel 132 or 136 cause
it will cross the limitation.

NGUYEN Vu Hai
Acita-Sodielec
Route de Mayres - B.P. 9
12100 St GEORGES DE LUZENCON
FRANCE




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