From mboxrd@z Thu Jan  1 00:00:00 1970
From: Heiko Lechner <Heiko.Lechner@ruhr-uni-bochum.de>
Date: Thu, 22 Jan 2015 07:55:05 +0100
Subject: [ath9k-devel] AR9103(AR9132) Antenna diversity
In-Reply-To: <CAJ-Vmo=ExP84qDt4dVDTagD5X2ZHLp7fGO0DXFvvK7xNs30few@mail.gmail.com>
References: <54BFB74F.9060100@ruhr-uni-bochum.de>
	<CAJ-Vmo=ExP84qDt4dVDTagD5X2ZHLp7fGO0DXFvvK7xNs30few@mail.gmail.com>
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To: ath9k-devel@lists.ath9k.org

Hi!

Hmm, when I cat
"/sys/kernel/debug/ieee80211/phy*/ath9k/antenna_diversity" it says
"Antenna Diversity Combining is disabled"

And here is the output from iw list (all three antennas are available
and configured -> 0x7):

***
Wiphy phy0
        max # scan SSIDs: 4
        max scan IEs length: 2257 bytes
        Fragmentation threshold: 784
        RTS threshold: 534
        Retry short limit: 7
        Retry long limit: 4
        Coverage class: 1 (up to 450m)
        Device supports AP-side u-APSD.
        Device supports T-DLS.
        Available Antennas: TX 0x7 RX 0x7
        Configured Antennas: TX 0x7 RX 0x7
        Supported interface modes:
                 * IBSS
                 * managed
                 * AP
                 * AP/VLAN
                 * WDS
                 * monitor
                 * mesh point
                 * P2P-client
                 * P2P-GO
        Band 1:
                Capabilities: 0x104e
                        HT20/HT40
                        SM Power Save disabled
                        RX HT40 SGI
                        No RX STBC
                        Max AMSDU length: 3839 bytes
                        DSSS/CCK HT40
                Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
                Minimum RX AMPDU time spacing: 8 usec (0x06)
                HT TX/RX MCS rate indexes supported: 0-15
                Frequencies:
                        * 2412 MHz [1] (20.0 dBm)
                        * 2417 MHz [2] (20.0 dBm)
                        * 2422 MHz [3] (20.0 dBm)
                        * 2427 MHz [4] (20.0 dBm)
                        * 2432 MHz [5] (20.0 dBm)
                        * 2437 MHz [6] (20.0 dBm)
                        * 2442 MHz [7] (20.0 dBm)
                        * 2447 MHz [8] (20.0 dBm)
                        * 2452 MHz [9] (20.0 dBm)
                        * 2457 MHz [10] (20.0 dBm)
                        * 2462 MHz [11] (20.0 dBm)
                        * 2467 MHz [12] (20.0 dBm)
                        * 2472 MHz [13] (20.0 dBm)
                        * 2484 MHz [14] (disabled)
        valid interface combinations:
                 * #{ managed } <= 2048, #{ AP, mesh point } <= 8, #{
P2P-client, P2P-GO } <= 1, #{ IBSS } <= 1,
                   total <= 2048, #channels <= 1, STA/AP BI must match
                 * #{ WDS } <= 2048,
                   total <= 2048, #channels <= 1, STA/AP BI must match
                 * #{ IBSS, AP, mesh point } <= 1,
                   total <= 1, #channels <= 1, STA/AP BI must match,
radar detect widths: { 20 MHz (no HT), 20 MHz }

        HT Capability overrides:
                 * MCS: ff ff ff ff ff ff ff ff ff ff
                 * maximum A-MSDU length
                 * supported channel width
                 * short GI for 40 MHz
                 * max A-MPDU length exponent
                 * min MPDU start spacing
***

Is that alright?

TIA,
Heiko.


Am 21.01.2015 um 23:45 schrieb Adrian Chadd:
> Hi,
> 
> It's a MIMO chip, so it already is doing antenna diversity by MIMO combining.
> 
> 
> -a
> 
> 
> On 21 January 2015 at 06:27, Heiko Lechner
> <Heiko.Lechner@ruhr-uni-bochum.de> wrote:
>> Hi there!
>>
>> I have a question about ath9k and AR9103(AR9132):
>> is antenna diversity available for that chipset?
>>
>> TIA,
>> Heiko
>> _______________________________________________
>> ath9k-devel mailing list
>> ath9k-devel at lists.ath9k.org
>> https://lists.ath9k.org/mailman/listinfo/ath9k-devel