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IEICE TRANSACTIONS on Fundamentals

Single-Carrier Transmission Using Overlap Frequency Domain Equalizing and Coherent Averaging

Shinichiro MIYAZAKI, Shoichiro YAMASAKI, Ryuji KOHNO

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Summary :

This paper proposes a single-carrier transmission method based on an overlap frequency-domain equalizing (FDE) and a coherent averaging. FDE is a block-based equalizing technique using discrete Fourier transform. A cyclic prefix is often used to avoid inter-block interference under multipath channel conditions, which reduces transmission efficiency. An overlap FDE is a technique to avoid the cyclic prefix insertion, but the residual interferences often exist after the FDE processing according to the channel conditions. The method proposed in this paper suppresses the residual interferences by applying a coherent averaging to the FDE outputs and improve the equalization performances. Computer simulation shows the effect of the proposed technique over the multipath channels.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E94-A No.11 pp.2169-2177
Publication Date
2011/11/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E94.A.2169
Type of Manuscript
Special Section PAPER (Special Section on Information Theory and Its Applications)
Category
Communication Theory and Signals

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