On 06/04/2017 05:16 PM, Qurat-Ul-Ann Akbar wrote:
> I understand. But you didnt connect them directly to the USRP. You used
> some cable to connect the two and had a stand for your antenna. Can you
> tell me which cable was that ?
I have no idea what you are talking about. When I used the Vert
antennas, I connected them directly to the USRP.
If you experience low SNR you'll probably not improve things if you add
cables between the SDR and the antenna. I doubt that the antenna or
cables are your problem.
Best,
Bastian
>
> On Jun 4, 2017 11:13 AM, "Bastian Bloessl" <mail@bastibl.net
> <mailto:mail@bastibl.net>> wrote:
>
> Hi,
>
>
> On 06/04/2017 04:25 PM, Qurat-Ul-Ann Akbar wrote:
>
> Thank you for the explanation. Can you tell me which antennas
> did you use for your experiments when you wrote your paper?
> Because I think a major problem with my receiver is a very low
> SNR because everything works fine with simulations. Currently I
> am using Vert 2450 antenna with my USRP N210.
>
>
> I used the same setup with the Vert 2450 antennas.
>
> Best,
> Bastian
>
>
>
>
>
>
> On Sun, Jun 4, 2017 at 12:33 PM, Bastian Bloessl
> <mail@bastibl.net <mailto:mail@bastibl.net>
> <mailto:mail@bastibl.net <mailto:mail@bastibl.net>>> wrote:
>
> Hi,
>
> On 6/3/2017 9:11 PM, Qurat-Ul-Ann Akbar wrote:
>
> Hello,
>
> How is the timing offset being handled in the 802.11
> module. I
> see that the sync_long block does frequency offset
> correction
> and the frame_equalizer block does the phase correction
> but I
> dont understand where is the timing offset being
> handled. Can
> anyone tell me which algorithm is being used to do that?
>
>
> The Sync Long block correlates the signal with the known
> pattern of
> the long preamble to derive how the FFTs have to be aligned
> in time.
>
> Best,
> Bastian
>
--
Dipl.-Inform. Bastian Bloessl
CONNECT Center
Trinity College Dublin
GitHub/Twitter: @bastibl
https://www.bastibl.net/
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