Frequency-domain channel estimation and equalization for continuous-phase modulations with superimposed pilot sequences

Cheol Hee Park, Robert W. Robert, Theodore S. Rappaport

Research output: Contribution to journalArticle

Abstract

This paper proposes a new frequency-domain channel-estimation and equalization method for continuous-phase modulation (CPM) block transmissions with superimposed pilot signals. Our method provides spectral and power-efficient broadband CPM wireless communications with less complexity than previous methods. The proposed frequency-domain channel estimation uses the superimposed pilot sequence as a reference signal to reduce the throughput loss caused by traditionally multiplexed pilots. The proposed CPM frequency-domain decision feedback equalizer (DFE) eliminates the complexity overhead of conventional decomposition-based CPM receivers.

Original languageEnglish (US)
Article number4982655
Pages (from-to)4903-4908
Number of pages6
JournalIEEE Transactions on Vehicular Technology
Volume58
Issue number9
DOIs
StatePublished - Nov 2009

Keywords

  • Block transmission
  • Continuous-phase modulation (CPM)
  • Frequency-domain channel estimation and equalization
  • Superimposed pilot-assisted transmission

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Applied Mathematics

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