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Computationally Efficient Modulation Level Classification Based on Probability Distribution Distance Functions

: Urriza, P.; Rebeiz, E.; Pawelczak, P.; Cabric, D.


IEEE Communications Letters 15 (2011), No.5, pp.476-478
ISSN: 1089-7798
Journal Article
Fraunhofer HHI ()
Kuiper test; modulation classification; distribution distance; jitter

We present a novel modulation level classification (MLC) method based on probability distribution distance functions. The proposed method uses modified Kuiper and Kolmogorov-Smirnov distances to achieve low computational complexity and outperforms the state of the art methods based on cumulants and goodness-of-fit tests. We derive the theoretical performance of the proposed MLC method and verify it via simulations. The best classification accuracy, under AWGN with SNR mismatch and phase jitter, is achieved with the proposed MLC method using Kuiper distances.