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Re: [Discuss-gnuradio] DVB-S Receiver


From: Ron Economos
Subject: Re: [Discuss-gnuradio] DVB-S Receiver
Date: Mon, 13 Nov 2017 17:24:52 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

There are some DVB-S receivers. See:

https://github.com/EdmundTse/gr-dvb

http://www.pabr.org/radio/leandvb/leandvb.en.html

The leandvb project is current and based on gr-dvb. A good project might be to port leandvb back into GNU Radio.

It should be noted that GNU Radio has a high performance Viterbi decoder block as part of the DVB-T receiver blocks (DVB-S uses the same Viterbi FEC as DVB-T). A port of the leandvb Viterbi code with the high performance functionality from the DVB-T block added in would be interesting.

Other blocks like the Reed-Solomon and Deinterleaver can be reused without modification from the DVB-T blocks.

Note that my DVB-S transmitter repo https://github.com/drmpeg/gr-dvbs is no longer required. A DVB-S transmitter flow graph constructed from DVB-T blocks is available in GNU Radio at:

<install_dir>/share/gnuradio/examples/dtv/dvbs_tx.grc

Ron

On 11/13/2017 04:57 PM, sakthivel velumani wrote:
Hi all,

I am doing my master degree in wireless communication and new to GNUradio. I am very much interested to work with it and to contribute something. As far as I have searched there is no DVB-S receiver module built for GNUradio but there were repos for DVB-S transmitter. Is there a reason for it not built so far or is it just no one needs it?

Thank you,
Sakthivel





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