From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Date: Wed, 18 Jul 2012 10:00:17 -0700 Subject: [ath9k-devel] Question about antenna throughput. In-Reply-To: References: <4FFEDAFF.5090706@candelatech.com> <50044D0E.1060800@candelatech.com> Message-ID: <5006EBA1.50003@candelatech.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org On 07/18/2012 09:44 AM, Adrian Chadd wrote: > On 16 July 2012 10:19, Ben Greear wrote: > >> Ok, I'm going to look into this chain configuration. >> >> This user is also reporting that our box can only communicate >> down to about -72dBm, whereas some off-the-shelf USB dongles >> are providing around 100kbps at -78 to -80dBm. >> >> Are there any published rate v/s range results for ath9k available? > > That's odd. You should be able to receive low rates at a much lower > signal than that. > > I'll work with Sujith and see if we can pull up the expected > sensitivity tables for each rate. Maybe the RX gain tables are all > wrong, or the NICs you're using have poor(ish) RX EVM? No idea. It could be mis-configuration at any level..but if there are published results, we can run similar tests and then pay attention if we see any significant differences. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com