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학술지 Performance Analysis of Combining Space-Time Block Coding and Scheduling over Arbitrary Nakagami Fading Channels
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저자
이동훈, 정병장
발행일
201412
출처
IEEE Transactions on Wireless Communications, v.13 no.5, pp.2540-2551
ISSN
1536-1276
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TWC.2014.031920.131810
협약과제
13PR1200, 모바일 빅뱅시대의 스펙트럼 슈퍼하이웨이 기술개발, 최재익
초록
In this paper, we investigate a combining space-time block coding (STBC) and opportunistic scheduling referred to as a joint diversity in a multiple-input multiple-output (MIMO) system. We study the performance analysis of the joint diversity over the arbitrary Nakagami fading channels including a fading index of real and integer values. The exact symbol error rate (SER) expressions of the joint diversity are derived for phase shift keying (PSK) and quadrature amplitude modulation (QAM) including quantification of both the diversity order and signal to noise ratio (SNR) gain. From analysis results, we show that the number of users and fading index improve the diversity order of the joint diversity for SER regardless of modulation types. On the other hand, the number of users and fading index degrade the SNR gain of the joint diversity for SER with both modulations. Further, this paper derives the exact average post-processing SNR, the exact outage probability and the exact ergodic capacity including the tight outage capacity of the joint diversity over the arbitrary Nakagami fading channels including the fading index of real and integer values. From analysis results, we show that both average post-processing SNR and ergodic capacity of the joint diversity is degraded as the fading index increases, while the outage capacity is improved. © 2002-2012 IEEE.
키워드
arbitrary Nakagami fading channels, diversity order, ergodic capacity, multi-user diversity (MUD), Multiple-input multiple-output (MIMO), outage capacity, outage probability, SNR gain, space-time block coding (STBC), spatial diversity (SD), symbol error rate (SER)
KSP 제안 키워드
Diversity Order, Ergodic capacity, Multiuser diversity, Nakagami fading, Number of users, Outage Capacity, Outage probability(OP), Performance analysis, Post-Processing, Quadrature-amplitude modulation(QAM), Signal noise ratio(SNR)