Realtime phase tracking with multiplier-free barycenter approximation in digital synchronous QPSK receiver for coherent detection

Sebastian Hoffmann,Mohamed Eldarawy,T Pfau,Christian Wordehoff,Ralf Peveling,Ulrich Ruckert,Reinhold Noe

Belek-Antalya（2009）

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摘要

A multiplier-free phase estimation algorithm for coherent QPSK detection is presented. The barycenter approach is modified by a selectivity mechanism that improves performance. In addition to recently published measurement results, theoretical derivations and simulation results are provided.

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关键词

phase estimation,quadrature phase shift keying,receivers,coherent detection,digital synchronous qpsk receiver,multiplier-free barycenter approximation,multiplier-free phase estimation algorithm,realtime phase tracking,reliability,bit error rate,phase noise,phase shift keying

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