Optimal two-layer coherent demodulation for D-PSK (Differential Phase Shift Keying)
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机译:D-PSK(差分相移键控)的最佳两层相干解调
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摘要
A D-PSK demodulator utilizes a two-layer coherent approach to estimate the phase shift of adjacent symbols. There is generated a probability set of each received symbol being one of possible constellation values. There is also generated a probability set of each of possible phase difference between two adjacent symbols. This probability set is then converted into soft bit information according to specific mathematical operation.
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