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A DVB-S transmitter for GNU Radio
License: GNU General Public License v3.0
This project forked from drmpeg/gr-dvbs
A DVB-S transmitter for GNU Radio
License: GNU General Public License v3.0
# Copyright 2014 Ron Economos # # This file is part of gr-dvbs # # gr-dvbs is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3, or (at your option) # any later version. # # gr-dvbs is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with gr-dvbs; see the file COPYING. If not, write to # the Free Software Foundation, Inc., 51 Franklin Street, # Boston, MA 02110-1301, USA. gr-dvbs ====== Author: Ron Economos Email: <[email protected]> The goal of this project is to build a software-defined DVB-S transmitter, based on the EN 300 421 V1.1.2 Framing structure, channel coding and modulation for 11/12 GHz satellite services standard: http://www.etsi.org/deliver/etsi_en/300400_300499/300421/01.01.02_60/en_300421v010102p.pdf The randomizer, Reed Solomon, and puncturing blocks are from gr-dvb (https://github.com/EdmundTse/gr-dvb) and converted to GnuRadio 3.7.x. The interleaver block is from gr-qam (https://github.com/argilo/gr-qam). A gnuradio-companion flowgraph (dvbs_tx.grc) for the bladeRF transmit capable SDR is included along with a stand-alone Python script for bladeRF (dvbs-blade-py). Build instructions: mkdir build cd build cmake ../ make sudo make install sudo ldconfig Contributions are welcome! Update (6/18/2014): A new DVB-S modulator block has been added that implements zero-stuffing 2X interpolation. This allows the use of an FFT-based root-raised-cosine filter instead of the more computationally intense interpolating FIR filter.
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