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From: Ben Greear <greearb@candelatech.com>
To: Johannes Berg <johannes@sipsolutions.net>,
	linux-wireless@vger.kernel.org
Cc: Jouni Malinen <j@w1.fi>
Subject: Re: [PATCH] mac80211:  Let VHT work on 2.4Ghz
Date: Tue, 23 Feb 2016 06:58:13 -0800	[thread overview]
Message-ID: <56CC7385.5050004@candelatech.com> (raw)
In-Reply-To: <1456237373.9910.18.camel@sipsolutions.net>



On 02/23/2016 06:22 AM, Johannes Berg wrote:
> On Tue, 2016-02-23 at 06:18 -0800, Ben Greear wrote:
>
>> [root@ben-ota2 lanforge]# iw phy wiphy0 info
>> Wiphy wiphy0
>>
>> 	Band 1:
> [...]
>> 		VHT Capabilities (0x338001b2):
>> 			Max MPDU length: 11454
>> 			Supported Channel Width: neither 160 nor 80+80
>> 			RX LDPC
>> 			short GI (80 MHz)
>> 			TX STBC
>> 			RX antenna pattern consistency
>> 			TX antenna pattern consistency
>> 		VHT RX MCS set:
>> 			1 streams: MCS 0-9
>> 			2 streams: MCS 0-9
>> 			3 streams: MCS 0-9
>> 			4 streams: not supported
>> 			5 streams: not supported
>> 			6 streams: not supported
>> 			7 streams: not supported
>> 			8 streams: not supported
>> 		VHT RX highest supported: 0 Mbps
>> 		VHT TX MCS set:
>> 			1 streams: MCS 0-9
>> 			2 streams: MCS 0-9
>> 			3 streams: MCS 0-9
>> 			4 streams: not supported
>> 			5 streams: not supported
>> 			6 streams: not supported
>> 			7 streams: not supported
>> 			8 streams: not supported
>> 		VHT TX highest supported: 0 Mbps
>
>> 		Frequencies:
>> 			* 2412 MHz [1] (30.0 dBm)
>>
> [...]
>
> Oops. Well, the driver isn't supposed to do that, this is certainly
> non-spec behaviour.

Is there any harm though?  There is at least one other AP manufacturer
that really wants to test this feature, so I guess there will be products
on the market soon enough that support VHT in 2.4Ghz band.

Some day soon-ish, we'll benchmark this in an isolation chamber & over-the-air to see
how it actually performs.

Thanks,
Ben


-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com

  reply	other threads:[~2016-02-23 14:58 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-22 22:42 [PATCH] mac80211: Let VHT work on 2.4Ghz greearb
2016-02-22 22:48 ` Julian Calaby
2016-02-22 22:55   ` Ben Greear
2016-02-23 10:47 ` Arik Nemtsov
2016-02-23 13:46   ` Ben Greear
2016-02-24  8:40     ` Arik Nemtsov
2016-02-24 13:24       ` Ben Greear
2016-02-24 13:32         ` Arik Nemtsov
2016-02-24 13:37           ` Ben Greear
2016-02-24 14:25             ` Arik Nemtsov
2016-02-23 14:10 ` Johannes Berg
2016-02-23 14:18   ` Ben Greear
2016-02-23 14:22     ` Johannes Berg
2016-02-23 14:58       ` Ben Greear [this message]
2016-02-23 21:08   ` Jouni Malinen
2016-02-23 21:15     ` Ben Greear

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