Characterization of multipath distortion of FSK signals

Wonzoo Chung, C. R. Johnson, M. J. Ready

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


In this letter, we characterize the nonlinear distortion of frequency-shift keying (FSK) signals due to a multipath channel as a linear time varying channel. The dynamic range of time variation of this time-varying channel model is small for a mild multipath channel and large for a severe multipath channel. This characterization justifies the use of a decision directed adaptive linear equalizer for FSK signals after frequency demodulation in order to mitigate the distortion due to a multipath channel.

Original languageEnglish
Pages (from-to)26-28
Number of pages3
JournalIEEE Signal Processing Letters
Issue number1
Publication statusPublished - 2002 Jan
Externally publishedYes


  • Blind equalization
  • FSK modulation
  • Multipath distortion

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering
  • Applied Mathematics


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