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Single-Carrier with Frequency-Domain Equalization with Variable-length Guard Intervals  

Rim Minjoong (Department of Information and Communication Engineering, Dongguk University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.42, no.4, 2005 , pp. 21-28 More about this Journal
Abstract
SC-FDE (Single Carrier with Frequency-Domain Equalization), one of physical layers of IEEE802.16, is less sensitive to nonlinear power amplifiers than OFDM while its complexity and performance is comparable. The guard interval length in SC-FDE should be greater than the maximal delay spread. While a delay spread is small in most wireless communication environments, a very large delay spread can be possibly encountered in the mountain areas or due to the repeaters. This paper proposes SC-FDE with variable-length guard intervals. In the proposed method the guard interval length can be determined per each cell or per each subscriber stations.
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