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From: | Martin Braun |
Subject: | Re: [Discuss-gnuradio] DAB - Help |
Date: | Thu, 25 Sep 2014 10:18:58 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 25.09.2014 03:14, Korbinian Pfaffeneder wrote:
Hello together, i've just started to play with GNU Radio and i use a DVB-T USB Stick (Tuner R820T) as Source. I've already built a FM receiver and now i want to listen to DAB. My signal processing skills are on a rookie-level. So, my question is, is it possible to create a DAB receiver with the standard blocks in GRC (gnuradio 3.7)? Would it be possible to use the OFDM receiver? I found this website
The OFDM receiver is geared towards packetized data. It might work, but you'd need:
- A synchronization algorithm - A better equalizer - A definition for the packet format.I would consider these things above rookie-level, but that's not to discourage you from trying :) Also, there are many projects out there for digital radio. There's gr-drm (not sure if it includes a full rx, though) and I thought there's a GNU Radio DAB rx out there (ask the Googles). And DVB-T is not *that* different, and we have GNU Radio codes for that, too.
http://www.zhaw.ch/de/engineering/institute-zentren/zsn/projekte/gnu-radio.html for a complete DAB Receiver, but it needs the gnuradio-core, which only exists in older gnuradio versions.
Transitioning to the new version should be simple if you're just using stock blocks. There's a wiki page on the transition which will help you porting.
Cheers, M
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