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http://dx.doi.org/10.5762/KAIS.2014.15.9.5776

Space-Frequency Block Coded Relay Transmission System for a Shadow Area  

Won, Hui-Chul (Division of Computer & Information Technology, Daegu University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.15, no.9, 2014 , pp. 5776-5782 More about this Journal
Abstract
Relay-assisted wireless communication systems have been studied widely to cope with shadow areas and extend the cell coverage. This paper proposes a space-frequency (SF) block coded single carrier-frequency division multiple access (SC-FDMA) transmission system in a relaying multi-path shadow area and present the performance comparison of SC-FDMA systems based on the signal-to-noise power ratio (SNR) between a relay and a destination station. The performance of relaying SC-FDMA systems can be improved by applying SF block code to the recovered signals of relays before re-transmitting them. The simulation result showed that the SNR performance of the proposed SF block coded relaying SC-FDMA system was approximately 5 dB better than the SNR performance of the single-path relaying SC-FDMA system at a symbol error rate (SER) of $10^{-2}$.
Keywords
Relay; SC-FDMA; SF Block Code; Shadow Area; Multi-path;
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Times Cited By KSCI : 1  (Citation Analysis)
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