sim_qpsk_variable.h

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// 
// author="Tony Kirke"
// Copyright(c) 1993-1996 Tony Kirke
/*
 * SPUC - Signal processing using C++ - A DSP library
 * 
 * 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <complex.h>
#include <max_pn.h>     
#include <noise.h>     
#include <vco.h>        
#include <fir_interp.h>
#include "quad_data.h"
#include "qpsk_ber_test.h"
#include "qpsk_variable.h"
namespace SPUC {


//
class sim_qpsk_variable
{
 public:
        qpsk_ber_test* BER_mon;
        quad_data* tx_data_source;
        vco* freq_offset;
        noise* n;
        qpsk_variable* RECEIVER;      

        long num;
        double var;
        double snr;
        double timing_offset;
        long total_over;

        complex<double> data; 
        complex<double> base; 
        complex<double> main; 
        complex<double> b_noise;                // Noise
        
        double sum_s;                       // Signal sum for Es/No estimation
        double sum_n;                       // Noise sum for Es/No estimation
        long rcv_symbols;                         // Number of symbols decoded
        long count;                                       // index of sample number at input rate
        int dec_rate_log;
        double resample_over ;
        // AGC stuff
        double agc_scale;
        double nominal_scale;
        double analog_agc;
        double analog_filter_gain;
        double analog_agc_gain;
        //

        double actual_over;
        double tx_time_inc;
        int rc_delay;
        long symbol_nco_word;

        sim_qpsk_variable(void);
        void loop_init(double actual_over,  double time_offset=0);
        void step(void);
        void loop_end(void);
};                       

} // namespace SPUC 

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