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Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronizat
From: |
Martin Braun |
Subject: |
Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1 |
Date: |
Sat, 09 May 2015 14:25:13 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
Is the detection working reliably?
M
On 09.05.2015 14:11, Michal Vaclík wrote:
> Hi,
> I am trying to implement OFDM transmitter and receiver (both in one
> flowgraph) using 2 USRP1s (both equipped with WBX). I have adjusted the
> signal so there's no peak above 1 and -1, but I am still failing at
> syncrhonization. I used exmaples mentioned in Martin Braun's talk at
> FOSDEM 14 which are now available in digital/ofdm/ folder.
>
> Running the flowgraph without USRPs seems to be fine at lower sample
> rates (~125k), but I am struggling at adjusting sample rates for USRP1
> which cannot go lower than 250k. I have noticed syncrhonization being
> much better at high sample rates (2-4M).
>
> Are there any guides on how to achieve better synchronization with two
> USRP1s?
>
> Thanks in advance.
> Michal
>
>
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- [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1, Michal Vaclík, 2015/05/09
- Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1,
Martin Braun <=
- Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1, Michal Vaclík, 2015/05/09
- Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1, Martin Braun, 2015/05/11
- Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1, Michal Vaclík, 2015/05/20
- Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1, Martin Braun, 2015/05/21
- Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1, Michal Vaclík, 2015/05/22
- Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1, Martin Braun, 2015/05/22