Won-Jae Shin

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Cyclic delay diversity (CDD) is a low-complexity transmit diversity technique for orthogonal frequency division multiplexing (OFDM), which transforms a multiple-input channel into an equivalent single-input channel with a large delay spread. Consequently, high frequency selectivity makes channel and frequency estimation a challenging task. This paper(More)
This paper considers the problem of sampling frequency offset (SFO) estimation for orthogonal frequency division multiplexing (OFDM) based digital radio mondiale (DRM) systems. In this study, the mean square error (MSE) expression for conventional SFO estimators is derived and their low-complexity variants are reported. The theoretical MSE analysis for(More)