* [Make-wifi-fast] Fwd: Non-overlapping mode OFDM wifi [not found] <CAJpr3FMmVYnpRNKaKChEG=CMuVj0nDDYSw+LNkL+=bKuTMdRYA@mail.gmail.com> @ 2017-04-25 18:09 ` Bruno George Moraes 0 siblings, 0 replies; only message in thread From: Bruno George Moraes @ 2017-04-25 18:09 UTC (permalink / raw) To: make-wifi-fast [-- Attachment #1: Type: text/plain, Size: 695 bytes --] hi, well today i was thinking about non-ovelapping channels like 1_5_9_13 but for US or Canada 12 (low power but OK) ; Then it hit me!! * 4 channel layout for US:* *OFDM* subcarriers use *16.25*mhz / 2 = 8.125 then 2412 -2462 = 50mhz *tail *e *head* -16.25mhz so there is space for two non-overlapped channels with some guardband (channel 1 center freq) 2412 + 8.125 = 2420.125 (chan 11 center freq) 2462 - 8.125 = 2453.875 2420.125 - 2453.875 = *-33.75* 2420.125 + 8.125 = *2428.25* (~ new channel 4 ) 2428.25 + 16.25 *+ 1.25mhz guard* = *2445.75* (~new channel 8) 2445.75 + 8.128 = 2453.875 2462 - 8.125 = 2453.875 the thing is how to use this in newer N AC... [-- Attachment #2: Type: text/html, Size: 964 bytes --] ^ permalink raw reply [flat|nested] only message in thread
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2017-04-25 18:09 ` [Make-wifi-fast] Fwd: Non-overlapping mode OFDM wifi Bruno George Moraes
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