Atheros driver supporting 2 SSIDs

[Evren Yurtesen]

Is it practical in any sense to do that? I mean using one card in 2 
different frequencies. The card should change frequency every time it 
wants to send a packet since it should receive acknowledgements(I assume 
receive only card do not send acknowledgements?) plus tcp etc. require 
such things also. I think it would cause a lot of latency.

Also I think you wont get too far doing that. Still there will be 
collusions when 2 clients want to send data at the same time.

The better solution might be using 2 cards tx/rx in ap and try to set 
the client channels that half of your clients will use one card and the 
other half will use the other card. This can be done easily I guess. But 
the best would be using directional antennas, if you want to use 2 cards 
then you can use 180degrees panel antennas and make 2 sectors. Also this 
solution doesnt require any special setup in clients. You can use any 
kind of software easily.

Evren

Marcos Biscaysaqu - ThePacific.net wrote:

> Hi There
> I know mikrotik does it, Im use mikrotik as AP, but my idea is 2 
> wireless cards on mikrotik AP, one as rx and the other as tx.  but on 
> the bsd client only 1 card we the option to split the traffic in 2 SSIDs 
> one for the rx and one for  the tx traffic, we this option we will be 
> able to put twices BSD clients per AP or more, plus fix all the 
> colitions problem, get a lot of new utilities to the atheros driver etc...
> will be possible???
> 
> cheers
> Marcos Biscaysaqu
> 
> Arve Seljebu wrote:
> 
>> In Mikrotiks software (http://www.mikrotik.com), you could set which 
>> antenna output on the PCI/miniPCI-card to use(output 1 or 2). The 
>> option to use Tx and Rx on different antenna output is also possible. 
>> So in theory this should be possible on FreeBSD too, but I don't know 
>> if been implemented.
>>
>> Arve Seljebu
>>
>> -----Opprinnelig melding-----
>> Fra: Marcos Biscaysaqu - ThePacific.net [mailto:marcos at ThePacific.Net]
>> Sendt: 9. november 2004 17:20
>> Til: freebsd-current at freebsd.org
>> Emne: split rx and tx traffic on Atheros crads.....
>>
>>
>> Hi there.
>>    Please let me know if I am crazy.
>> One of the biggest problems on the wireless traffic in WISPs start 
>> when the Access Point start to get a lot incoming and outgoing traffic 
>> in the same time, I was thinking  if we could run 2 wireless cards 
>> both as Access Point but one card as rx only and another as tx mode, 
>> plus if we could just set 2 ssid in a Bsd client one for rx and other 
>> as tx we could increase the bandwidth on the Access point in two times 
>> and make the connections work a lot smooth and faster ( im not sure if 
>> this is possible I could be very wrong) at the same time If  this it 
>> is possible we could run 2 wireless cards each end with the rx and the 
>> tx separeted and get for example 108mb each way (with dual 
>> polarization antennas).
>>
>> cheers
>> Marcos Biscaysaqu
>>
>>
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