Efficient method for carrier offset correction in OFDM system

Document Type

Article

Publication Date

1-1-1999

Abstract

In this work, we present a simple approach to estimate and correct the carrier offset in an orthogonal frequency division multiplexing (OFDM) system. The approach leads to a computationally and statistically efficient estimator for the carrier offset. Computer simulations verify that the estimation accuracy is comparable to the Cramer-Rao bound (CRB). We demonstrated that by incorporating the estimated carrier offset (obtained using reasonable frames of OFDM data) in the demodulation process, the bit-error-rate (BER) can approach that of the ideal OFDM system with no carrier offset.

Identifier

0032649073 (Scopus)

Publication Title

ICASSP IEEE International Conference on Acoustics Speech and Signal Processing Proceedings

ISSN

07367791

First Page

2467

Last Page

2470

Volume

5

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