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qpsk_sim.cpp
资源名称：simulation_wireless_c++.rar　[点击查看]
上传用户：jtjnyq9001
上传日期：2014-11-21
资源大小：3974k
文件大小：8k
源码类别：

3G开发

开发平台：

Visual C++

qpsk_sim.cpp：源码内容
  1. //
  2. //  File = qpsk_sim.cpp
  3. //
  5. #define SIM_NAME "QpskSim"
  6. #define SIM_TITLE "Complex Baseband Simulation of QPSK"
  8. #include "global_stuff.h" 
  10. #include "qpsk_theory.h"
  11. #include "bitgen.h"
  12. #include "bitwav.h"
  13. #include "discrete_delay_T.h"
  14. #include "siganchr.h"
  15. #include "quadmod.h"
  16. #include "phase_rotate.h"
  17. #include "add_gaus_noise.h"
  18. #include "spec_analyzer.h"
  19. #include "phase_genie.h"
  20. #include "quaddem.h"
  21. //#include "bitslicer.h"
  22. #include "integ_dump_slice.h"
  23. #include "qpskoptbitdem.h"
  24. #include "ber_ctr.h"
  25. #include "qpsk_err_ctr.h"
  27. main()
  28. {
  29. #include "sim_preamble.cpp"
  30.   //=========================================================================
  31.   //  Misc special processing
  33.   //-----------------------------------------------------
  34.   // create plot file of theoretical PSD for QPSK signal
  36.   QpskPsd(  0.0,  // carrier_freq
  37.             1.0,  // symb_energy,
  38.             1.0,  // symb_intvl,
  39.             -4.0, // beg_freq,
  40.             4.0,  // end_freq,
  41.             801,  // num_pts,
  42.             true, // plot_in_db,
  43.             "qpsk_psd_theor.txt"); //out_filename
  45.   //-----------------------------------------------------
  46.   // create plot file of BER for ideal QPSK
  48.   QpskBer(  -10.0,  // beg_ebno,
  49.             18.0, // end_ebno,
  50.             401,  // num_pts,
  51.             "theor_qpsk_ber.txt");  // out_filename
  52.   //=========================================================================
  53.   //  Allocate signals
  55.   BIT_SIGNAL(i_bits);
  56.   BIT_SIGNAL(q_bits);
  57.   FLOAT_SIGNAL(i_baseband_wave);
  58.   FLOAT_SIGNAL(q_baseband_wave);
  59.   COMPLEX_SIGNAL(modulated_signal);
  60.   COMPLEX_SIGNAL(shifted_signal);
  61.   COMPLEX_SIGNAL(recov_carrier_sig);
  62.   COMPLEX_SIGNAL(noisy_sig);
  63.   BIT_SIGNAL(symb_clock);
  64.   BIT_SIGNAL(delayed_clock);
  65.   BIT_SIGNAL(q_symb_clock);
  66.   FLOAT_SIGNAL(power_meas_sig);
  67.   FLOAT_SIGNAL(i_demod_wave);
  68.   FLOAT_SIGNAL(q_demod_wave);
  69.   FLOAT_SIGNAL(i_samp_wave);
  70.   FLOAT_SIGNAL(q_samp_wave);
  71.   BIT_SIGNAL(i_bit_decis);
  72.   BIT_SIGNAL(q_bit_decis);
  74.   //============================================================
  75.   //  Construct, initialize and connect models
  78.   BitGener* i_bit_gen = new BitGener( "i_bit_gen",
  79.                                       CommSystem,
  80.                                       i_bits );
  82.   BitGener* q_bit_gen = new BitGener( "q_bit_gen",
  83.                                       CommSystem,
  84.                                       q_bits );
  86.   BitsToWave* i_wave_gen = new BitsToWave( "i_wave_gen",
  87.                                            CommSystem,
  88.                                            i_bits,
  89.                                            i_baseband_wave,
  90.                                            symb_clock );
  92.   BitsToWave* q_wave_gen = new BitsToWave( "q_wave_gen",
  93.                                            CommSystem,
  94.                                            q_bits,
  95.                                            q_baseband_wave,
  96.                                            q_symb_clock );
  98.   SignalAnchor* temp_anchor_1 = new SignalAnchor( "temp_anchor_1",
  99.                                                 CommSystem,
  100.                                                 i_baseband_wave,
  101.                                                 q_baseband_wave,
  102.                                                 0.0625, //samp_intvl
  103.                                                 4096 ); //block_size
  105.   QuadratureModulator* qpsk_mod = new QuadratureModulator( "qpsk_mod",
  106.                                                 CommSystem,
  107.                                                 i_baseband_wave,
  108.                                                 q_baseband_wave,
  109.                                                 modulated_signal);
  110.   
  111.   PhaseRotate* phase_shifter = new PhaseRotate( "phase_shifter",
  112.                                                 CommSystem,
  113.                                                 modulated_signal,
  114.                                                 shifted_signal);
  116.   AdditiveGaussianNoise<std::complex<float> >* agn_source = 
  117.                   new AdditiveGaussianNoise<std::complex<float> >( 
  118.                                                 "agn_source",
  119.                                                 CommSystem,
  120.                                                 shifted_signal,
  121.                                                 noisy_sig,
  122.                                                 power_meas_sig);
  124.   SpectrumAnalyzer<std::complex<float> >* spec_analyzer = 
  125.                   new SpectrumAnalyzer<std::complex<float> >( 
  126.                                                   "spec_analyzer",
  127.                                                   CommSystem,
  128.                                                   modulated_signal );
  130.   PhaseRecoveryGenie* carrier_recovery = new PhaseRecoveryGenie( "carrier_recovery",
  131.                                                                    CommSystem,
  132.                                                                    recov_carrier_sig);
  134. //  QpskOptimalBitDemod* qpsk_dem = new QpskOptimalBitDemod( "qpsk_dem",
  135. //                                                    CommSystem,
  136. //                                                    noisy_sig,
  137. //                                                    recov_carrier_sig,
  138. //                                                    symb_clock,
  139. //                                                    i_bit_decis,
  140. //                                                    q_bit_decis);
  141.   
  142.   QuadratureDemod* quad_dem = new QuadratureDemod( "quad_dem",
  143.                                                    CommSystem,
  144.                                                    noisy_sig,
  145.                                                    recov_carrier_sig,
  146.                                                    i_demod_wave,
  147.                                                    q_demod_wave );
  149.   IntegrateDumpAndSlice* i_bit_slicer = new IntegrateDumpAndSlice( "i_bit_slicer",
  150.                                            CommSystem,
  151.                                            i_demod_wave,
  152.                                            symb_clock,
  153.                                            i_samp_wave,
  154.                                            i_bit_decis);
  156.   IntegrateDumpAndSlice* q_bit_slicer = new IntegrateDumpAndSlice( "q_bit_slicer",
  157.                                            CommSystem,
  158.                                            q_demod_wave,
  159.                                            q_symb_clock,
  160.                                            q_samp_wave,
  161.                                            q_bit_decis);
  163.   BerCounter* i_ber_ctr = new BerCounter( "i_ber_ctr",
  164.                                           CommSystem,
  165.                                           i_bits,
  166.                                           i_bit_decis );
  168.   BerCounter* q_ber_ctr = new BerCounter( "q_ber_ctr",
  169.                                           CommSystem,
  170.                                           q_bits,
  171.                                           q_bit_decis );
  173.   QpskErrorCounter* ser_ctr = new QpskErrorCounter( "ser_ctr",
  174.                                                     CommSystem,
  175.                                                     i_bits,
  176.                                                     q_bits,
  177.                                                     i_bit_decis,
  178.                                                     q_bit_decis );
  180.   //=============================================================
  181.   #include "sim_postamble.cpp"
  182.   return 0;
  183. }