Adaptive Dual-Hop Transmission Based On Hierarchical Modulation in UWB System 


Vol. 36,  No. 7, pp. 443-450, Jul.  2011


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  Abstract

Recently, various transmission techniques for communication and broadcasting systems have been developed to meet the dramatically increasing requirement of consumers. Because UWB (Ultra-Wideband) is a wireless communication technique that supports high data rate with low power, it can satisfy the requirement and can be applied to various wireless communication services. The multi-band orthogonal frequency division multiplexing (MB-OFDM) system, one of UWB system, is the wireless communication system that satisfies the transmission characteristic for UWB and so it can be used for various wireless communication services. In this paper, we propose a scheme that uses hierarchical modulation which is applied in digital video broadcasting system at the source and adaptive modulation based on the channel quality at the relays. The simulation results have shown that the proposed scheme has both the advantages of the increased throughput by 33% and similar BER performance to conventional scheme.

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  Cite this article

[IEEE Style]

D. Kim, H. Song, W. Cho, "Adaptive Dual-Hop Transmission Based On Hierarchical Modulation in UWB System," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 7, pp. 443-450, 2011. DOI: .

[ACM Style]

Dae-Hwan Kim, Hyoung-Kyu Song, and We-Duke Cho. 2011. Adaptive Dual-Hop Transmission Based On Hierarchical Modulation in UWB System. The Journal of Korean Institute of Communications and Information Sciences, 36, 7, (2011), 443-450. DOI: .

[KICS Style]

Dae-Hwan Kim, Hyoung-Kyu Song, We-Duke Cho, "Adaptive Dual-Hop Transmission Based On Hierarchical Modulation in UWB System," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 7, pp. 443-450, 7. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880