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Re: [Discuss-gnuradio] DVB-T Reception Problem

From: Ron Economos
Subject: Re: [Discuss-gnuradio] DVB-T Reception Problem
Date: Thu, 17 Dec 2015 05:59:07 -0800
User-agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

It looks like it's doing a little better. I would try deleting (or bypassing) that Multiply Const block. It may actually be causing trouble for the gr-isdbt OFDM acquisition block.

If you do get things running, the viterbi_decoder block needs to be set to Code rate 2/3.


On 12/17/2015 05:44 AM, address@hidden wrote:
Thank you all for reply. Ron I have now used cyclic prefix length of 2048
and still no progress. For you I have attached a complete picture of my
flowgraph. I only have a dual core processor and 4GB of ram so I used
vector to stream in my flowgraph. The samples were recorded using a usrp
b210 so I do not need a rational resampler. There is still no
synchronization with any of the synchronization blocks.Can you see now
where the problem is? Or may be if you can upload somewhere a sample dvb-t
signal file from which I can check my receiver. Thanks alot


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