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Three non-pilot based time- and frequency estimators for OFDM

Författare:
Publiceringsår: 2000
Språk: Engelska
Sidor: 1321-1334
Publikation/Tidskrift/Serie: Signal Processing
Volym: 80
Nummer: 7
Dokumenttyp: Artikel

Sammanfattning

Time-domain maximum-likelihood (ML) estimators of time and frequency offsets are derived for three orthogonal frequency division multiplexing (OFDM) signal models: a pulse-shaped one-shot OFDM signal, a stream of multiple OFDM signals and an OFDM signal in a dispersive channel environment. We then develop structures to simplify their implementation. Simulation results show the relative performance and strengths of each of these three estimators.

Disputation

Nyckelord

  • Technology and Engineering

Övrigt

Published
Yes
  • ISSN: 0165-1684

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