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

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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Bibliographische Detailangaben
Hauptverfasser:	Hoffmann, S., El-Darawy, M., Pfau, T., Wordehoff, C., Peveling, R., Ruckert, U., Noe, R.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Additive noise Approximation algorithms Digital signal processing Filters Phase detection Phase estimation Phase modulation Quadrature phase shift keying Signal processing algorithms Viterbi algorithm
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Beschreibung
Zusammenfassung:	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.
ISSN:	1092-8081 2766-1733
DOI:	10.1109/LEOS.2009.5343406