Block FIR decision-feedback equalizers for filterbank precoded transmissions with blind channel estimation capabilities

Anastasios Stamoulis, Georgios B. Giannakis, Anna Scaglione

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

In block transmission systems, transmitter-induced redundancy using finite-impulse response (FIR) filterbanks can be used to suppress intersymbol interference and equalize FIR channels irrespective of channel zeros. At the receiver end, linear or decision-feedback (DF) FIR filterbanks can be applied to recover the transmitted data. Closed-form expressions are derived for the FIR linear or DF filterbank receivers corresponding to varying amounts of transmission redundancy. Our framework encompasses existing block transmission schemes and offers low implementation-cost equalization techniques both when interblock interference is eliminated, and when IBI is present as, e.g., in orthogonal frequency-division multiplexing with insufficient cyclic prefix. By applying blind channel estimation methods, our filterbank transmitters-receivers (transceivers) dispense with bandwidth consuming training sequences. Extensive simulations illustrate the merits of our designs.

Original languageEnglish (US)
Pages (from-to)69-83
Number of pages15
JournalIEEE Transactions on Communications
Volume49
Issue number1
DOIs
StatePublished - Jan 2001
Externally publishedYes

Fingerprint

Decision feedback equalizers
Channel estimation
Impulse response
Redundancy
Feedback
Intersymbol interference
Transceivers
Orthogonal frequency division multiplexing
Transmitters
Bandwidth
Costs

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

Block FIR decision-feedback equalizers for filterbank precoded transmissions with blind channel estimation capabilities. / Stamoulis, Anastasios; Giannakis, Georgios B.; Scaglione, Anna.

In: IEEE Transactions on Communications, Vol. 49, No. 1, 01.2001, p. 69-83.

Research output: Contribution to journalArticle

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