Title: Recognition algorithm of phase shift keying signals by higher-order cumulants
Abstract: To investigate the automatic modulation recognition of phase shift keying(PSK) signals widely used in communication signals currently,such as BPSK,QPSK,π/4-QPSK and 8-PSK,an algorithm for modulation recognition based on higher-order cumulants of signal difference is proposed.First,the modulation of BPSK,QPSK and {π/4-QPSK,8PSK} will be recognized based on four-order cumulants of signals.Then the modulation of π/4-QPSK and 8PSK will be recognized based on four and eight-order cumulants of signal difference.The efficiency of the algorithm is proved in theory.Computer simulations show that the proposed recognition algorithm is effective in performance.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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