From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix Fietkau Date: Thu, 20 Jun 2013 19:58:32 +0200 Subject: [ath9k-devel] Is there a way to connect pairs of wifi cards to achieve full duplex In-Reply-To: <201306201126.51209.david.goodenough@linkchoose.co.uk> References: <201306191750.08386.david.goodenough@linkchoose.co.uk> <51C237AB.30305@candelatech.com> <201306201126.51209.david.goodenough@linkchoose.co.uk> Message-ID: <51C342C8.8010303@openwrt.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.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