Designed a four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modulation, AWGN channel for the wireless channel. At the receiving end for despreading, demodulation, judgments, through the simulation to be one of a user' s bit error rate and SNR of the simulation results.

YYY_DSSS
........\awgn.m
........\BPSK_AWGN_Pe.m
........\DSSS_Demodulation.m
........\DSSS_Main.asv
........\DSSS_Main.m
........\DSSS_Modulation.m
........\SignalEncode.m
........\user.m

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