Performance of DS-CDM-SQAM in Nonlinear Land Mobile Satellite Broadcasting Environments(Components)
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概要
- 論文の詳細を見る
In this paper, we propose DS-CDM-SQAM(Superposed Quadrature Amplitude Modulation) scheme which is characterized by its smooth phase transition and small envelope fluctuation that improves the power efficiency as compared with DS-CDM-QPSK of satellited-based DMB system (ITR-R BO.1130-4 System E) in a nonlinearly amplified channel. Computer simulation results show that the proposed DS-CDM-SQAM scheme improves Eb/No by 1.7dB to maintain BER=1×10^<-3> in nonlinearly amplified multi-path mobile radio environments. Therefore, the proposed DS-CDM-SQAM system significantly improves the power efficiency in nonlinear land mobile satellite DMB environments.
- 社団法人電子情報通信学会の論文
- 2005-10-07
著者
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LEE Sang
Department of Pulmonary and Critical Care Medicine, Gachon University, Gil Medical Center
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Kim Sun
Department Of Chemical Engineering Sogang University
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Lee Sang
Department Of Electrical And Electronic Engineering Yonsei University
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Seo Jong
Department of Electrical and Electronic Engineering, Yonsei University
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Seo Jong
Department Of Electrical And Electronic Engineering Yonsei University
-
Lee Sang
Department Of Advanced Materials Science And Engineering Mokpo National University
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Seo Jong
Department Of Electrical & Electronics Engineering Yonsei University
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Kim Sun
Department Of Applied Chemistry Faculty Of Engineering Osaka University
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Lee Sang
Yonsei Univ. Seoul Kor
-
Kim Sun
Department Of Electrical And Electronic Engineering Yonsei University
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Kim Sun
Department Of Animal Science And Technology Seoul National University
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Seo Jong
Yonsei Univ. Seoul Kor
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LEE Sang
Department of Acupuncture & Moxibustion, College of Oriental Medicine, Kyung Hee University
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