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Delay Determination for Cyclic Delay Diversity for Block-Hopping SC-FDMA Systems  

Rim, Min-Joong (Department of Information and Communications Engineering, Dongguk University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.46, no.1, 2009 , pp. 72-82 More about this Journal
Abstract
In OFDMA systems, cyclic delay diversity can improve the system performance due to diversity effects. However, applying cyclic delay diversity to block-hopping SC-FDMA systems can affect the performance in two contrary ways: positive effect due to increased frequency diversity and negative effect caused by increased frequency selectivity. Hence, the delay value for cyclic delay diversity should be carefully selected to maximize the system performance. This paper discusses these two contrary effects and proposes a method of determining the delay value of cyclic delay diversity for block-hopping SC-FDMA systems.
Keywords
SC-FDMA; SC-FDE; Block Hopping; Frequency Hopping; Cyclic Delay Diversity;
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