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A new method of modulation classification for digitally modulated signals
, Farrell K., Mammone R.J.
Published in Institute of Electrical and Electronics Engineers Inc.
1992
Volume: 1992-October
   
Pages: 712 - 716
Abstract
A modulation model representation of a signal is used to provide a convenient form for subsequent analysis. The modulation model is formed by estimating the instantaneous frequency and bandwidth using autoregressive spectrum analysis. In particular, the instantaneous bandwidth and derivative of the instantaneous frequency prove to be valuable parameters in estimating modulation type. This method performed extremely well for input carrier-to-noise ratios as low as 15 dB. Additionally, since the autoregressive fit to the frequency spectrum is second order, the autoregressive polynomials coefficients and corresponding roots can be computed with closed-form expressions. Thus, the method is computationally efficient. © 1992 IEEE.
About the journal
JournalData powered by TypesetMILCOM 92 Conference Record
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
Open AccessNo