Redundant filterbank precoders and equalizers Part I: unification and optimal designs

Anna Scaglione, Georgios B. Giannakis, Sergio Barbarossa

Research output: Contribution to journalArticle

511 Citations (Scopus)

Abstract

Transmitter redundancy introduced using filterbank precoders generalizes existing modulations including OFDM, DMT, TDMA, and CDMA schemes encountered with single- and multiuser communications. Sufficient conditions are derived to guarantee that with FIR filterbank precoders FIR channels are equalized perfectly in the absence of noise by FIR zero-forcing equalizer filterbanks, irrespective of the channel zero locations. Multicarrier transmissions through frequency-selective channels can thus be recovered even when deep fades are present. Jointly optimal transmitter-receiver filterbank designs are also developed, based on maximum output SNR and minimum mean-square error criteria under zero-forcing and fixed transmitted power constraints. Analytical performance results are presented for the zero-forcing filterbanks and are compared with mean-square error and ideal designs using simulations.

Original languageEnglish (US)
Pages (from-to)1988-2006
Number of pages19
JournalIEEE Transactions on Signal Processing
Volume47
Issue number7
DOIs
StatePublished - 1999
Externally publishedYes

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Equalizers
Mean square error
Time division multiple access
Transceivers
Code division multiple access
Orthogonal frequency division multiplexing
Redundancy
Transmitters
Modulation
Communication
Optimal design

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Signal Processing

Cite this

Redundant filterbank precoders and equalizers Part I : unification and optimal designs. / Scaglione, Anna; Giannakis, Georgios B.; Barbarossa, Sergio.

In: IEEE Transactions on Signal Processing, Vol. 47, No. 7, 1999, p. 1988-2006.

Research output: Contribution to journalArticle

Scaglione, Anna ; Giannakis, Georgios B. ; Barbarossa, Sergio. / Redundant filterbank precoders and equalizers Part I : unification and optimal designs. In: IEEE Transactions on Signal Processing. 1999 ; Vol. 47, No. 7. pp. 1988-2006.
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