File: pulse_shape_test.cpp

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/*!
* \file
* \brief Pulse shaping classes test program
* \author Adam Piatyszek
*
* -------------------------------------------------------------------------
*
* IT++ - C++ library of mathematical, signal processing, speech processing,
*        and communications classes and functions
*
* Copyright (C) 1995-2008  (see AUTHORS file for a list of contributors)
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* -------------------------------------------------------------------------
*/

#include <itpp/itbase.h>
#include <itpp/itcomm.h>

using namespace std;
using namespace itpp;

int main()
{
 cout << "======================================" << endl;
 cout << "    Test of pulse shaping routines    " << endl;
 cout << "======================================" << endl << endl;

 BPSK bpsk;
 vec symbols, samples, rsymbols;
 Root_Raised_Cosine<double> rrc_tx(0.5), rrc_rx(0.5);
 Raised_Cosine<double> rc_tx(0.5);

 bpsk.modulate_bits(randb(20), symbols);
 samples = rrc_tx.shape_symbols(symbols);
 rsymbols = rrc_rx.shape_samples(samples);

 cout << "*** Root Raised Cosine; real input ***" << endl << endl;
 cout << "pulse, RRC = " << round_to_zero(rrc_tx.get_pulse_shape())
      << endl << endl;
 cout << "symbols = " << round_to_zero(symbols) << endl << endl;
 cout << "samples = " << round_to_zero(samples) << endl << endl;
 cout << "received symbols =" << round_to_zero(rsymbols) << endl << endl;

 samples = rc_tx.shape_symbols(symbols);

 cout << "*** Raised Cosine; real input ***" << endl << endl;
 cout << "pulse, RC = " << round_to_zero(rc_tx.get_pulse_shape())
      << endl << endl;
 cout << "symbols = " << round_to_zero(symbols) << endl << endl;
 cout << "samples = " << round_to_zero(samples) << endl << endl;

 QPSK qpsk;
 cvec csymbols, csamples, crsymbols;
 Root_Raised_Cosine<complex<double> > crrc_tx(0.5), crrc_rx(0.5);
 Raised_Cosine<complex<double> > crc_tx(0.5);

 qpsk.modulate_bits(randb(40), csymbols);
 csamples = crrc_tx.shape_symbols(csymbols);
 crsymbols = crrc_rx.shape_samples(csamples);

 cout << "*** Root Raised Cosine; complex input ***" << endl << endl;
 cout << "pulse, RRC = " << round_to_zero(crrc_tx.get_pulse_shape())
      << endl << endl;
 cout << "symbols = " << round_to_zero(csymbols) << endl << endl;
 cout << "samples = " << round_to_zero(csamples) << endl << endl;
 cout << "received symbols = " << round_to_zero(crsymbols) << endl << endl;

 csamples = crc_tx.shape_symbols(csymbols);

 cout << "*** Raised Cosine; complex input ***" << endl << endl;
 cout << "pulse, RC = " << round_to_zero(crc_tx.get_pulse_shape())
      << endl << endl;
 cout << "symbols = " << round_to_zero(csymbols) << endl << endl;
 cout << "samples = " << round_to_zero(csamples) << endl << endl;

 return 0;
}