Diversity combining and equalization with TCM for wireless communications

Yue Chen, Khaled Letaief, Justin C I Chuang

Research output: Contribution to journalArticle

Abstract

This paper presents an equalization structure in which antenna diversity, adaptive decision feedback equalization (DFE), interleaving and trellis-coded modulation (TCM) can be effectively combined to combat both ISI and cochannel interference in cellular mobile radio environments. The feedback filter of the DFE can use either tentative or final decision symbols of the TCM Viterbi decoding to cancel tail ISI with the square root Kalman algorithm. A performance bound on the average pairwise error probability for TCM under perfect interleaving and equalization is obtained by analysis. Some simulation results which illustrate the potential of the proposed system will also be given. In particular, a performance comparison between the proposed method and uncoded QPSK modulation will be undertaken.

Original languageEnglish
Pages (from-to)41-60
Number of pages20
JournalWireless Personal Communications
Volume20
Issue number1
DOIs
Publication statusPublished - 2002
Externally publishedYes

Fingerprint

Modulation
Communication
Feedback
Cochannel interference
Quadrature phase shift keying
Decoding
Antennas

Keywords

  • Adaptive equalization
  • Cochannel interference
  • Diversity
  • Frequency-selective fading channel
  • Interleaving
  • Trellis-coded modulation

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Diversity combining and equalization with TCM for wireless communications. / Chen, Yue; Letaief, Khaled; Chuang, Justin C I.

In: Wireless Personal Communications, Vol. 20, No. 1, 2002, p. 41-60.

Research output: Contribution to journalArticle

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