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Performance Analysis of Proportional Fair Scheduling with Partial Feedback Information for Multiuser MIMO-OFDMA Systems  

Kang, Min-Gyu (연세대학교 전기전자공학과)
Byun, Il-Mu (연세대학교 전기전자공학과)
Park, Jin-Bae (연세대학교 전기전자공학과)
Kim, Kwang-Soon (연세대학교 전기전자공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.6A, 2008 , pp. 643-651 More about this Journal
Abstract
In this paper, we analyze the performance of normalized SNR based proportional fair scheduling with partial feedback information for multiuser MIMO-OFDMA systems. The closed form expression on the downlink capacity of the selective partial CQI feedback scheme is derived and its asymptotic behavior is investigated. From the performance analysis and numerical results, it is found that the optimal growth rate of downlink capacity can be achieved with bounded average feedback overhead irrespective of the number of users.
Keywords
OFDMA; MIMO; MIMO-OFDMA; Partial Feedback Information; Proportional Fair Scheduling;
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