actually, how is this CSI information different from the spectral scan
feature in the ar92xx chipset??
On 26/06/13 02:04, Ali Abedi wrote:
Hello everyone,
I am also interested in accessing CSI. Please update us as soon as you
got some good news.
Best,
Ali
On 13-04-02 08:18 AM, Nikolay Makarov wrote:
Dear Andres,
Adrian preliminary confirmed it is possible to get CSI out of
hardware. He helped me to send an internal request to Atheros to
assist on the issue. We sent the request 30 of March.
I am not clear what to do next and I am waiting directions from
Adrian at the moment.
I think that it might be helpful to send to Atheros another request
from you.
Best regards,
Nikolay Makarov
On Tue, Apr 2, 2013 at 1:52 PM, Andrés García Saavedra
<agsaa...@it.uc3m.es <mailto:agsaa...@it.uc3m.es>> wrote:
Hi Adrian, Nikolay,
any luck on this line? I am also interested in obtained CSI
information from hw for research purposes.
Thanks!
Andrés
On Sun, Mar 10, 2013 at 10:43 AM, Nikolay Makarov
<opnmaka...@gmail.com <mailto:opnmaka...@gmail.com>> wrote:
Thank you very much Adrian. I would appreciate your help.
? ?????????,
??????? ???????
+7 (926) 284 80 81 <tel:%2B7%20%28926%29%20284%2080%2081>
On 10.03.2013, at 10:21, Adrian Chadd <adr...@freebsd.org
<mailto:adr...@freebsd.org>> wrote:
> On 8 March 2013 23:16, Nikolay Makarov <nmaka...@live.ru
<mailto:nmaka...@live.ru>> wrote:
>> Sorry. My bad.
>>
>> The CSI (channel state information) is similar to RSSI
which describes the
>> power of received signal. But unlike RSSI, CSI is energy
over multiple
>> subcarriers. In 802.11 g/n, there are 64 subcarriers. So
CSI is a vector
>> with 64 elements, each is a complex value. At the physical
layer of wifi,
>> they will do channel estimation, CSI is the channel
estimation results for
>> every subcarrier.
>
> Oh, right. Yes. I think there's a way to get the CSI out of
the hardware.
> I don't know any ETA for that though; sorry.
>
> I'll poke some people to see if I can get some
documentation about how
> to get CSI values and how to interpret them.
>
> Thanks,
>
>
>
> Adrian
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