Decision-aided compensation of severe phase-impairment-induced inter-carrier interference in frequency-selective OFDM

Konstantinos Nikitopoulos*, Stelios Stefanatos, Aggelos K. Katsaggelos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A new, reduced complexity algorithm is proposed for compensating the Inter-Carrier Interference (ICI) caused by severe PHase Noise (PHN) and Residual Frequency Offset (RFO) in OFDM systems. The algorithm estimates and compensates the most significant terms of the frequency domain ICI process, which are optimally selected via a Minimum Mean Squared Error (MMSE) criterion. The algorithm requires minimal knowledge of the phase process statistics, the estimation of which is also considered. The scheme outperforms previously proposed compensation methods of similar complexity, when severe phase impairments are present.

Original languageEnglish (US)
Article number4907430
Pages (from-to)1614-1619
Number of pages6
JournalIEEE Transactions on Wireless Communications
Volume8
Issue number4
DOIs
StatePublished - Apr 1 2009

Keywords

  • Frequency offset
  • Inter-carrier interference
  • OFDM
  • Phase noise

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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