Re: [Discuss-gnuradio] IEEE 802.11 Transceiver Module - Timing offset at receiver side

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>> 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
>

_______________________________________________
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio