Feedback Information Reducing Method for Adaptable Data Rate in Multi-User OFDM/FDD System(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In this letter, we propose the reducing method of feedback information for transmitting adaptable data rate in multi-user OFDMA/FDD system. In order to transmit the downlink channel information to Base-Station (BS) by using the limited uplink control channel, the proposed algorithm uses the channel variation level which describes the similarity among the adjacent clusters and uses just one modulation and coding scheme (MCS) level which represents the channel information of all clusters. The performance was investigated in one-cellular environment. It has a similar overhead for feedback information with conventional algorithm and has better performance than the conventional algorithm.
- 社団法人電子情報通信学会の論文
- 2004-09-01
著者
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Ryu Byung-han
Radio Link Control Research Team Etri
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CHO Kyoung-Rok
Department of Computer and Communication Engineering, Chungbuk National University
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Cho Kyoung-rok
Department Of Computer And Communication Engineering Chungbuk National University
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Cho Kyoung-rok
Department Of Electrical Engineering Chungbuk National University
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Jang Il-soon
Radio Link Control Research Team Etri
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KIM Hyun-jae
Radio Link Control Research team, ETRI
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Kim Hyun-jae
Radio Link Control Research Team Etri
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