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An Efficient STBC Scheme for a Cooperative Satellite-Terrestrial System  

Park, Un-Hee (전북대학교 전자정보공학부 디지털통신시스템 연구실)
Li, Jing (전북대학교 전자정보공학부 디지털통신시스템 연구실)
Kim, Soo-Young (전북대학교 전자정보공학부 디지털통신시스템 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.10A, 2008 , pp. 997-1005 More about this Journal
Abstract
In this paper, we propose an efficient space-time block coding (STBC) scheme in a cooperative satellite-terrestrial system. The proposed STBC scheme has code rate 1 for a 3 transmit antenna scheme. Because the channel matrix of the proposed scheme is orthogonal, we can use a simple linear decoding algorithm and also can expect improved performance over the conventional scheme. The simulation results demonstrate that the proposed scheme has improved performance for bit error rates (BER) than several conventional STBC schemes. In addition, we investigate performance simulation results by power imbalance between the terrestrial repeaters and satellite.
Keywords
Space-time block code(STBC); Satellite; Cooperative diversity; Terrestrial equipment;
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