[ath9k-devel] Is there a way to connect pairs of wifi cards to achieve full duplex

[Felix Fietkau <nbd@openwrt.org>]

On 2013-06-20 12:26 PM, David Goodenough wrote:
> On Wednesday 19 Jun 2013, Ben Greear wrote:
>> On 06/19/2013 03:56 PM, Adrian Chadd wrote:
>> > .. just keep in mind that adjacent high power transmitters can
>> > actually leak enough RF to trigger ADC saturation and thus the device
>> > may actually not try to decode anything.
>> > 
>> > Thus, whilst your TX is TXing, the RX side may be unhappy. :-)
>> 
>> We've had decent multi-NIC throughput when there is a mostly-solid
>> aluminium chassis plate between the NICs, and when one is on 2.4
>> and the other is on 5Ghz.
>> 
>> Pretty much anything else is pushing your luck though :)
>> 
>> Ben
> The only place I have noticed that do this with wifi kit is Microtik
> who say they can do setups like this - but as usual with them there is
> no indication of how it is done under the covers.
They're doing it with hacked up proprietary protocol modifications.

So I get why you would want to do combine two links to get full-duplex.
But why would you want to mess around with things like ACKs?

- Felix