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Relationships between Diversity Techniques and Channel Coding Rates for SC-FDMA Systems  

Rim, Min-Joong (동국대학교 정보통신공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.1A, 2009 , pp. 1-11 More about this Journal
Abstract
In OFDMA or SC-FDMA systems one can generate time varying channels or frequency selective channels using multiple transmit antennas to achieve diversity without special space-time processing at the receivers. While low channel coding rate needs to be used for distributed-allocation SC-FDMA systems with a phase rolling technique to produce time fluctuation, relatively high channel coding rate can be used when cyclic delay diversity is used to increase frequency selectivity assuming quasi-static channel. On the other hand, for block-hopping SC-FDMA systems there is no significant difference between two diversity techniques in terms of optimal channel coding rates.
Keywords
SC-FDMA; SC-FDE; CDD; Time Diversity; Coding Rate;
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