Communication systems and simulation tasks: 1) Design π/4-DPSK or 16-QAM modulator simulation program, draw time-domain waveform, quadrature component, in-phase component waveforms, eye diagrams, scatter plots, etc. 2) the use of MATLAB for DPSK in AWGN channel BER performance simulation, and the results are compared with PSK performance. 3) the known OFDM data transmission rate of 19.2Kbps, OFDM symbol length is 320, the guard interval is 32 points, the number of sub-carriers 128, IFFT/FFT points is 256, the carrier frequency is 320KHz, using the modulation scheme QPSK, simulation of the in Gaussian channel BER performance.

作业二\h2\DPSKCalc.m
......\..\PSKCalc.m
......\..\PSKDPSK.m
......\.1\h21.m
......\..\qdpsk.m
......\.3\BerOfOFDM.m
......\..\OFDM.m
......\.4\LSTCMMSE.m
......\.5\stbc_mimo.m
......\..\MainStbcMimo.m
......\..\training_symbol.m
......\作业二.doc
......\h2
......\h1
......\h3
......\h4
......\h5
作业二

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