A Maximal Ratio Combining Frequency Diversity ARQ Scheme for High-Speed OFDM Systems (Special Issue on Multimedia Mobile Communication Systems)
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概要
- 論文の詳細を見る
This paper proposes a new maximal ratio combining (MRC) frequency diversity automatic-repeat-request (ARQ) scheme suitable for high-speed orthogonal frequency division multiplexing (OFDM) systems that is based on the conventional packet combining ARQ scheme. The proposed scheme regularly changes the previously prepared subcarrier assignment pattern at each retransmission according to the number of retransmissions. This scheme sharply reduces the number of ARQ retransmissions and much improves the throughput performance in slow fading environments by virtue of the frequency diversity effect while it requires no complex adaptive operations. Computer simulation results show that the proposed scheme reduces the required number of retransmissions to about 3 at the accumulative correct packet reception rate (ACPRR) of 0.9.
- 社団法人電子情報通信学会の論文
- 1999-12-25
著者
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SAKATA Tetsu
NTT Access Network Service Systems Laboratories, NTT Corporation
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MORIKURA Masahiro
NTT Access Network Service Systems Laboratories, NTT Corporation
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Morikura Masahiro
Ntt Information Sharing Laboratory Group Ntt Corporation
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Morikura M
Ntt Access Network Serv. Systems Lab. Yokosuka‐shi Jpn
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Morikura Masahiro
Ntt Wireless Systems Laboratories
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KUMAGAI Tomoaki
NTT Access Network Service Systems Laboratories, NTT Corporation
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Sakata T
Ntt Corp. Yokosuka-shi Jpn
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Sakata Tetsu
Ntt Advanced Technology Co.
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Sakata Tetsu
Ntt Access Network Service Systems Laboratories
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Morikura Masahiro
NTT Research and Development Headquarters
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Kumagai Tomoaki
Ntt Wireless Systems Laboratories
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Kumagai Tomoaki
Ntt Access Network Service System Laboratories Ntt Corporation
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Kumagai Tomoaki
Department Of Applied Chemistry And Biotechnology Faculty Of Engineering Fukui University
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Morikura Masahiro
Ntt Access Network Service Systems Laboratories
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Morikura Masahiro
Ntt Access Network Service System Laboratoties Ntt Corporation
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Morikura M
Ntt Information Sharing Laboratory Group Ntt Corporation
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