A Pragmatic Adaptive Transmission Scheme with Low-Rate Feedback Using Two-Step Partial CQI for Multiuser OFDMA Systems(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In this paper, we investigate an efficient user selection and sub-band allocation algorithm in which each user transmits two-step partial CQI to reduce the amount of feedback in multi-user downlink OFDMA systems. Simulation results show that we can greatly reduce the feedback rate at the expense of negligible performance degradation compared to the full CQI feedback schemes or that we can greatly improve the performance with slightly reduced feedback rate compared to conventional partial CQI feedback schemes.
- 社団法人電子情報通信学会の論文
- 2007-02-01
著者
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KIM Kwang
Yonsei Univ.
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Kim Kwang
Department Of Radiology College Of Medicine Seoul National University
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Kim Kwang
Yonsei Univ. Seoul Kor
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Whang Younghoon
Yonsei Univ. Seoul Kor
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Kim Kwang
Department Of Anatomy Wonkwang University
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RHEE Duho
Department of Electrical and Electronic Engineering, Yonsei University
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KWON Joong
Department of Electrical and Electronic Engineering, Yonsei University
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WHANG Younghoon
IMNetpia
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Whang Younghoon
Imnetipia Co. Ltd.
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Rhee Duho
Department Of Electrical And Electronic Engineering Yonsei University
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Kwon Joong
Department Of Electrical And Electronic Engineering Yonsei University
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KIM Kwang
Department of Advanced Materials Engineering (Polymerics Program), Korea Advanced Institute of Science and Technology (KAIST)
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