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A new method of modulation classification for digitally modulated signals

  • Rutgers - The State University of New Jersey, New Brunswick

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

47 Scopus citations

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.

Original languageEnglish
Title of host publicationMilitary Communications Conference, MILCOM 1992
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages712-716
Number of pages5
ISBN (Electronic)078030585X
DOIs
StatePublished - 1992
Externally publishedYes
Event1992 Military Communications Conference, MILCOM 1992 - San Diego, United States
Duration: 11 Oct 199214 Oct 1992

Publication series

NameProceedings - IEEE Military Communications Conference MILCOM
Volume1992-October

Conference

Conference1992 Military Communications Conference, MILCOM 1992
Country/TerritoryUnited States
CitySan Diego
Period11/10/9214/10/92

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