Iterative Equalization for Single-Carrier Cyclic-Prefix in Doubly-Dispersive Channels
نویسنده
چکیده
Single-carrier cyclic prefix (SCCP) has been proposed as an alternative to orthogonal frequency division multiplexing (OFDM). While the implementation complexity of the two schemes are comparable, SCCP avoids the peak-to-average power ratio problem that plagues OFDM. Both OFDM and SCCP receivers leverage the fast Fourier transform for computationallyefficient frequency-domain equalization. For channels that are significantly time-varying, however, frequency-domain equalization alone is inadequate. Several OFDM receiver modifications have been proposed for this time-varying case, including one which uses linear pre-processing and iterative estimation to yield excellent performance with low complexity. Here we design an SCCP receiver based on similar concepts. 1
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تاریخ انتشار 2004