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학술대회 An Enhanced Cooperative Transmit Diversity in Integrated MSS Systems
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저자
김희욱, 안도섭, 강군석, 구본준
발행일
201009
출처
Advanced Satellite Multimedia Systems Conference (ASMS) 2010 / Signal Processing for Space Communications Workshop (SPSC) 2010, pp.325-328
DOI
https://dx.doi.org/10.1109/ASMS-SPSC.2010.5586894
협약과제
10MR2500, IMT-Advanced 위성접속 기술개발(표준화연계), 구본준
초록
In this paper, we propose an enhanced cooperative transmit diversity scheme in integrated mobile satellite service (MSS) systems. The proposed scheme is an efficient technique to adapt various power differences between a satellite signal and CGC signals, depending on the position of user equipments in integrated MSS systems. In the proposed scheme, we utilize modified space-time block coding (STBC) in order to realize the transmit diversity for the mobile satellite system with several complementary ground components (CGCs). The satellite and two groups of CGCs operate in unison the send the encoded signals, so that the receiver may realize diversity gain. The simulation results show that the proposed method can provide stable improved performance. ©2010 IEEE.
KSP 제안 키워드
Diversity gain, Diversity scheme, Satellite Signal, Space time(ST), TRANSMIT DIVERSITY, User equipment(UE), improved performance, mobile satellite system(MSS), simulation results, space-time block coding(STBC)