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Blind Channel and Carrier Frequency Offset Estimation for Zero-Prefix OFDM Systems

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1 Author(s)
Qi Cheng ; Sch. of Eng. & Ind. Design, Univ. of Western Sydney, Sydney, NSW

In this paper, a blind algorithm is proposed for channel and CFO estimation in zero-prefix OFDM systems. By exploiting the greatest common divisor structure of the received signal for two or more symbols, the algorithm yields joint estimates of channel parameters and carrier frequency offset. It provides error-free message recovery at moderate SNRs.

Published in:

TENCON 2005 2005 IEEE Region 10

Date of Conference:

21-24 Nov. 2005