Complexity reduction for continuous phase modulation using basis functions

Authors:
C. Brown;P. J. Vigneron
Affiliations:
Communications Research Centre Canada, Ottawa, Ontario, Canada;Communications Research Centre Canada, Ottawa, Ontario, Canada
Venue:
MILCOM'09 Proceedings of the 28th IEEE conference on Military communications
Year:
2009

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Abstract

A basis function expansion to reduce the demodulation complexity of continuous phase modulation (CPM) signals applicable for either coherent or non-coherent reception in tactical networks is presented. Results show that a signal space receiver based on B-splines approximates a wide variety of CPM signal sets with only a small number of basis functions and is particularly useful for spectrally efficient CPM waveforms.