From mboxrd@z Thu Jan 1 00:00:00 1970 From: kang haiyang Date: Thu, 02 Jun 2011 15:53:03 +0800 Subject: [ath9k-devel] AR9220 AP mode 's throughput with ath9k In-Reply-To: <4DE73D78.4080009@dongniannetworks.com> References: <4DE7369E.6060003@dongniannetworks.com> <4DE73D78.4080009@dongniannetworks.com> Message-ID: <4DE7415F.4000404@dongniannetworks.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org One more thing, i'm using one dell's workstation and insert the minipci radio card to the machine with a minipci and pci converter. The converter should be OK, because 9160 card is all right. On 06/02/2011 03:36 PM, kang haiyang wrote: > hi, > > I measured them with Ixchariot (iperf is used also, almost same, but a > little better). The distance between AP and client is about 1 meter, and > i also tried with two different antennas. > > I captured the packet between the client and ap, and saw the packets > from AP sent to client are with lots of CRC errors. > > The problem is that with the same method and environment, th 20Mhz is > not so bad, and there should be no channel interference because there > are no APs and clients observed on the channel we are working (channel 36). > > kang haiyang > > On 06/02/2011 03:22 PM, Adrian Chadd wrote: >> Hi! >> >> On 2 June 2011 15:07, kang haiyang wrote: >>> hi all, >>> >>> Is there anyone who have evaluated ar9220's throughput with ath9k? >>> >>> With this card and ath9k, the average tx throughput is about 120Mbps. I >>> thought with this card, it should be very easy to get 180Mbps (I can get >>> this result with my 9160 card). >> >> How are you measuring this? >> >>> With 20Mhz bandwith, under same environment, i can get more than 90Mbps' >>> tx throughput. >> >> Again, how are you measuring it? >> >>> I have tested two cards from different vendors. And from packets >>> captured, it shows that there are lots of CRC errors, and most of the >>> packets are with MCS 12~15. >> >> Are you saying there's a lot of CRC errors on packets that you receive? >> >> >> >> Adrian >> > _______________________________________________ > ath9k-devel mailing list > ath9k-devel at lists.ath9k.org > https://lists.ath9k.org/mailman/listinfo/ath9k-devel >