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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 ITC-CSCC :International Technical Conference on Circuits Systems, Computers and Communications ITC-CSCC : 2008
- 발행연도
- 2008.7
- 수록면
- 1,381 - 1,384 (4page)
이용수
초록· 키워드
오류제보하기
In block transmission systems such as orthogonal frequency division multiplexing (OFDM), when there are multipaths with delays exceeding cyclic prefix (CP) length, performance degrades due to inter-block interference (IBI). Channel shortening is a promising technique for reducing the effect of IBI. Most channel shortening methods presented before can be applied only to single-user communications. In this paper, we propose to apply a channel shortening method, which exploits the second order statistics (SOS) of the received signals, to multiuser communications. Computer simulation results are presented to show that the SOS method is superior to a conventional method in asynchronous multiuser communications.
목차
Abstract
1. Introduction
2. Problem formulation
3. Multiuser channel shortening
4. Simulation results
5. Conclusion
Acknowledgment
References
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UCI(KEPA) : I410-ECN-0101-2013-569-001141972