ML estimation of time and frequency offset in OFDM systems

van de Beek, Jaap; Sandell, Magnus; Ola Börjesson, Per

doi:10.1109/78.599949

Public

ML estimation of time and frequency offset in OFDM systems

Published in IEEE Transactions on Signal Processing • Jul 1, 1997

Authors:

Jaap van de Beek

Magnus Sandell

Per Ola Börjesson

Abstract

We present the joint maximum likelihood (ML) symbol-time and carrier-frequency offset estimator in orthogonal frequency-division multiplexing (OFDM) systems. Redundant information contained within the cyclic prefix enables this estimation without additional pilots. Simulations show that the frequenc...

Subject

Orthogonal frequency-division multiplexing

Cyclic prefix

Estimator

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