Performance of precoded OFDM with channel estimation error

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Pair-wise error probability (PEP) is analyzed in the presence of channel estimation error (CEE) for group linear constellation precoded orthogonal frequency division multiplexing (GLCP-OFDM). It is observed that the CEE does not reduce the diversity order but contributes to a loss of coding gain. Furthermore, the proposed optimal power allocation scheme based on the derived PEP has performance that converges to the performance with perfect channel state information when the number of subcarriers to the channel length ratio increases.

Original languageEnglish (US)
Pages (from-to)1165-1171
Number of pages7
JournalIEEE Transactions on Signal Processing
Volume54
Issue number3
DOIs
StatePublished - Mar 2006

Fingerprint

Channel estimation
Orthogonal frequency division multiplexing
Channel state information
Error probability

Keywords

  • Linear minimum mean square error (LMMSE)
  • Optimal training
  • Orthogonal frequency-division multiplexing (OFDM)
  • Pairwise error probability (PEP)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Signal Processing

Cite this

Performance of precoded OFDM with channel estimation error. / Ahmed, Khawza I.; Tepedelenlioglu, Cihan; Spanias, Andreas.

In: IEEE Transactions on Signal Processing, Vol. 54, No. 3, 03.2006, p. 1165-1171.

Research output: Contribution to journalArticle

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