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Cyclostationarity-Based Robust Algorithms for QAM Signal Identification

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4 Author(s)
Octavia A. Dobre ; Faculty of Engineering and Applied Science, Memorial University, St. John's, Canada ; Menguc Oner ; Sreeraman Rajan ; Robert Inkol

This letter proposes two novel algorithms for the identification of quadrature amplitude modulation (QAM) signals. The cyclostationarity-based features used by these algorithms are robust with respect to timing, phase, and frequency offsets, and phase noise. Based on theoretical analysis and simulations, the identification performance of the proposed algorithms compares favorably with that of alternative approaches.

Published in:

IEEE Communications Letters  (Volume:16 ,  Issue: 1 )