NDLI: Hierarchical digital modulation classification using cumulants

Content Provider	IEEE Xplore Digital Library
Author	Swami, A. Sadler, B.M.
Copyright Year	1972
Abstract	A simple method, based on elementary fourth-order cumulants, is proposed for the classification of digital modulation schemes. These statistics are natural in this setting as they characterize the shape of the distribution of the noisy baseband I and Q samples. It is shown that cumulant-based classification is particularly effective when used in a hierarchical scheme, enabling separation into subclasses at low signal-to-noise ratio with small sample size. Thus, the method can be used as a preliminary classifier if desired. Computational complexity is order N, where N is the number of complex baseband data samples. This method is robust in the presence of carrier phase and frequency offsets and can be implemented recursively. Theoretical arguments are verified via extensive simulations and comparisons with existing approaches.
Starting Page	416
Ending Page	429
Page Count	14
File Size	384668
File Format	PDF
ISSN	00906778
Volume Number	48
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital modulation Baseband Statistical distributions Shape Noise shaping Signal to noise ratio Computational complexity Robustness Frequency Computational modeling
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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