QPSK_chain
代码说明：
Simulation of a baseband QPSK mod/demod: TX : a pseudo random bit stream generation, Serial to parallel conversion, QPSK Mapping (Gray coding), Signal power computation Channel : AWGN channel RX: Soft Demapping / Hard Demapping, Plot constellations, Compute BER(Simulation of a baseband QPSK mod/demod: TX : a pseudo random bit stream generation, Serial to parallel conversion, QPSK Mapping (Gray coding), Signal power computation Channel : AWGN channel RX: Soft Demapping/Hard Demapping, Plot constellations, Compute BER)
文件列表：
QPSK_chain
..........\awgn_noise.m
..........\compute_BER_vs_EbNo.m
..........\compute_power.m
..........\hard_DeMapping.m
..........\QPSK_chain.m
..........\QPSK_Mapping.m
..........\soft_DeMapping.m
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