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학술지 Bandwidth-Efficient Mutually Cooperative Relaying with Spatially Coordinate-Interleaved Orthogonal Design
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저자
류현석, 박경미, 이희수, 강충구
발행일
200908
출처
IEICE Transactions on Communications, v.E92-B no.8, pp.2731-2734
ISSN
0916-8516
출판사
일본, 전자정보통신학회 (IEICE)
DOI
https://dx.doi.org/10.1587/transcom.E92.B.2731
협약과제
09MR1700, 4세대 이동통신을 위한 적응 무선접속 및 전송 기술개발, 김영진
초록
This letter proposes a type of mutually cooperative relaying (MCR) scheme based on a spatially coordinate-interleaved orthogonal design (SCID), in which two cooperative users are spatially multiplexed without bandwidth expansion. It provides not only diversity gain (with order of two) as in the existing MCR scheme, but also additional coding gain. Our simulation results demonstrate that the proposed SCID scheme is useful for improving the uplink performance as long as one user can find another active user as a close neighbor that is simultaneously communicating with the same destination, e.g., a base station in the cellular network. Copyright © 2009 The Institute of Electronics, Information and Communication Engineers.
키워드
Cooperative diversity, Coordinateinterleaved orthogonal design (CIOD), Mutually cooperative relay
KSP 제안 키워드
Bandwidth Expansion, Cellular networks, Coding Gain, Diversity gain, Information and communication, Orthogonal designs, base station(BS), cooperative diversity, cooperative relaying, simulation results