qpsk_sim_bp.cpp

无线通信系统的仿真vc7.0代码

//
//  File = qpsk_sim_bp.cpp
//

#define SIM_NAME "QpskSim_Bp\0"
#define SIM_TITLE "Bandpass Simulation of QPSK\0"

#include "global_stuff.h" 

#include "qpsk_theory.h"
#include "bitgen.h"
#include "bitwav.h"
#include "siganchr.h"
#include "quadmod_bp.h"
#include "phase_rotate.h"
#include "add_gaus_noise.h"
#include "spec_analyzer.h"
#include "quad_carr_genie.h"
#include "quad_mixer_bp.h"
#include "integ_dump_slice.h"
#include "qpskoptbitdem.h"
#include "ber_ctr.h"
#include "qpsk_err_ctr.h"

main()
{
#include "sim_preamble.cpp"
  //=========================================================================
  //  Misc special processing

  //-----------------------------------------------------
  // create plot file of theoretical PSD for QPSK signal

  QpskPsd(  0.0,  // carrier_freq
            1.0,  // symb_energy,
            1.0,  // symb_intvl,
            -4.0, // beg_freq,
            4.0,  // end_freq,
            801,  // num_pts,
            true, // plot_in_db,
            "qpsk_psd_theor.txt\0"); //out_filename

  //-----------------------------------------------------
  // create plot file of BER for ideal QPSK

  QpskBer(  -10.0,  // beg_ebno,
            18.0, // end_ebno,
            401,  // num_pts,
            "theor_qpsk_ber.txt\0");  // out_filename
  //=========================================================================
  //  Allocate signals

  BIT_SIGNAL(i_bits);
  BIT_SIGNAL(q_bits);
  FLOAT_SIGNAL(i_baseband_wave);
  FLOAT_SIGNAL(q_baseband_wave);
  FLOAT_SIGNAL(modulated_signal);
  FLOAT_SIGNAL(i_recov_carrier_sig);
  FLOAT_SIGNAL(q_recov_carrier_sig);
  FLOAT_SIGNAL(noisy_sig);
  BIT_SIGNAL(symb_clock);
  BIT_SIGNAL(q_symb_clock);
  FLOAT_SIGNAL(power_meas_sig);
  FLOAT_SIGNAL(i_demod_wave);
  FLOAT_SIGNAL(q_demod_wave);
  FLOAT_SIGNAL(i_samp_wave);
  FLOAT_SIGNAL(q_samp_wave);
  BIT_SIGNAL(i_bit_decis);
  BIT_SIGNAL(q_bit_decis);

  //============================================================
  //  Construct, initialize and connect models


  BitGener* i_bit_gen = new BitGener( "i_bit_gen\0",
                                      CommSystem,
                                      i_bits );

  BitGener* q_bit_gen = new BitGener( "q_bit_gen\0",
                                      CommSystem,
                                      q_bits );

  BitsToWave* i_wave_gen = new BitsToWave( "i_wave_gen\0",
                                           CommSystem,
                                           i_bits,
                                           i_baseband_wave,
                                           symb_clock );

  BitsToWave* q_wave_gen = new BitsToWave( "q_wave_gen\0",
                                           CommSystem,
                                           q_bits,
                                           q_baseband_wave,
                                           q_symb_clock );

  SignalAnchor* temp_anchor_1 = new SignalAnchor( "temp_anchor_1\0",
                                                CommSystem,
                                                i_baseband_wave,
                                                q_baseband_wave,
                                                0.03125, //samp_intvl
                                                4096 ); //block_size

  QuadBandpassModulator* qpsk_mod = new QuadBandpassModulator( "qpsk_mod\0",
                                                CommSystem,
                                                i_baseband_wave,
                                                q_baseband_wave,
                                                modulated_signal);
  
  AdditiveGaussianNoise<float>* agn_source = 
                  new AdditiveGaussianNoise<float>( 
                                                "agn_source\0",
                                                CommSystem,
                                                modulated_signal,
                                                noisy_sig,
                                                power_meas_sig);

  SpectrumAnalyzer<float>* spec_analyzer = 
                  new SpectrumAnalyzer<float>( 
                                                  "spec_analyzer\0",
                                                  CommSystem,
                                                  modulated_signal );

  QuadCarrierRecovGenie* carrier_recovery = new QuadCarrierRecovGenie( "carrier_recovery\0",
                                                                   CommSystem,
                                                                   i_recov_carrier_sig,
                                                                   q_recov_carrier_sig);
  
  QuadBandpassMixer* quad_dem = new QuadBandpassMixer( "quad_dem\0",
                                                   CommSystem,
                                                   noisy_sig,
                                                   i_recov_carrier_sig,
                                                   q_recov_carrier_sig,
                                                   i_demod_wave,
                                                   q_demod_wave );

  IntegrateDumpAndSlice* i_bit_slicer = new IntegrateDumpAndSlice( "i_bit_slicer\0",
                                           CommSystem,
                                           i_demod_wave,
                                           symb_clock,
                                           i_samp_wave,
                                           i_bit_decis);

  IntegrateDumpAndSlice* q_bit_slicer = new IntegrateDumpAndSlice( "q_bit_slicer\0",
                                           CommSystem,
                                           q_demod_wave,
                                           q_symb_clock,
                                           q_samp_wave,
                                           q_bit_decis);

  BerCounter* i_ber_ctr = new BerCounter( "i_ber_ctr\0",
                                          CommSystem,
                                          i_bits,
                                          i_bit_decis );

  BerCounter* q_ber_ctr = new BerCounter( "q_ber_ctr\0",
                                          CommSystem,
                                          q_bits,
                                          q_bit_decis );

  QpskErrorCounter* ser_ctr = new QpskErrorCounter( "ser_ctr\0",
                                                    CommSystem,
                                                    i_bits,
                                                    q_bits,
                                                    i_bit_decis,
                                                    q_bit_decis );

  //=============================================================
  #include "sim_postamble.cpp"
  return 0;
}