From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron b Date: Fri, 25 Sep 2009 11:08:40 +1000 Subject: [ath9k-devel] My atheros doesn't seem to be in the hardware list, and as a result is not detected or used by ATH9k In-Reply-To: <43e72e890909241801hbe4455cs4e2ad3864236e762@mail.gmail.com> References: <169eaaf50909240721j7f9dd9an9726d342a509153e@mail.gmail.com> <26977c6d0909240805kfa15ad3j81f2cfad2669591@mail.gmail.com> <59CE3F17-8281-494D-A400-968B5ABB93ED@3folded.nl> <169eaaf50909241628g6808789cw4c6f9c554ad2b924@mail.gmail.com> <43e72e890909241653r2acf9503x8e427ccfd5cace4c@mail.gmail.com> <169eaaf50909241754t239d298cs2d2d24e7097c48c5@mail.gmail.com> <43e72e890909241801hbe4455cs4e2ad3864236e762@mail.gmail.com> Message-ID: <169eaaf50909241808td552cbdsd11bdcd75e61e2ea@mail.gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org i would define most powerful as most robust, ie, works from the longest range / has the greatest transmission rate all else being equal. my atheros 5008 is the following combination: AR5416/AR5133 http://www.atheros.com/pt/AR50083NX.htm according to that website it is 3x3 MIMO with 3 radio's 3 antenna's although i do find this interesting we're a fair bit away from my problem of ath9k not even recognising my chip at all regardless of it's awesome :( 2009/9/25 Luis R. Rodriguez > On Thu, Sep 24, 2009 at 5:54 PM, Aaron b wrote: > > If it isn't the most powerful Atheros chip atm then what is? > > Define "most powerful". > > > also i believe the notation is: AxB:C > > where C is the number of streams, i don't actually know what the stream > > value is, i assume it's at least 2 and possibly 3. > > For the device you mentioned (AR5416) its 2. > > AR5416 and AR9280 are 2 stream. > > AR9285 is 1 stream. > > All AR9280s are 2 stream and have a 2x2 RX/TX chain configuration. > > The AR5416 has an 3x2 RX/TX chain configuration but it must be noted > this then means one stream can use two chains with selection diversity > -- sort of like antenna diversity but for one chain. > > AR9285 devices are 1-stream and use antenna diversity with some > enhancements, I think one of the enhancements is LNA, which I believe > means we get to dynamically configure the power amplifier depending on > the noise on the driver and I think this helps with noisy > environments. > > AR9170 is 2 stream 2x2 chain config. > > AR9271 (USB) is 1 stream with antenna diversity support (and LNA IIRC). > > Luis > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.ath9k.org/pipermail/ath9k-devel/attachments/20090925/1e45d17b/attachment.htm