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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 저널정보
- 대한전자공학회 ICEIC : International Conference on Electronics, Informations and Communications ICEIC : 2008
- 발행연도
- 2008.6
- 수록면
- 625 - 628 (4page)
이용수
초록· 키워드
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Future mobile communications require to support broadcast services for efficient transmission of multimedia data. For the services, OFDM transmission using cyclic delay diversity (CDD) among the base stations has been proposed to improve the diversity performance at the cell boundary. In this paper, we combine CDD with transmit diversity (TD) code to improve both the symbol-level diversity and code-level diversity at the cell boundaries. In the method, cyclic delays are applied not only among the neighboring base stations but also among the transmit antennas transmitting the same TD symbols for four transmit antenna case. The diversity performance is investigated with the probability of the capacity in outage under different multipath intensity profiles. It is shown that the proposed method provides a steeper slope of outage probability than the method applying cyclic delays without TD coding.
목차
Abstract
1. Introduction
2. System Model
3. Outage Probability
4. Simulation Results
5. Conclusions
Acknowledgements
References
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UCI(KEPA) : I410-ECN-0101-2012-569-004332704