Differential Modulated Pilot Symbol Assisted Adaptive OFDM for Reducing the MLI with Predicted FBI
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概要
- 論文の詳細を見る
In an AMS/OFDM system, base station is in control of the modulation level of each subcarriers, and then, adaptive modulated packet is transmitted from the base station to the mobile station, In this case, the mobile station is required the modulation level information (MLI) to demodulate the received packet. The MLI is generally transmitted as a data symbol, therefore, the throughput is degraded. Moreover, it is necessary to have some transmission delay times and the processing time to make an adaptive modulation command (AMC) using feedback information (FBI). With the FBI delay and processing time, the system performance might be degraded. To reduce these problems, in this paper, we propose a differential modulated pilot symbol assisted adaptive OFDM for reducing the MLI with predicted FBI.
- 社団法人電子情報通信学会の論文
- 2004-07-09
著者
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HARADA Hiroshi
National Institute of Information and Communications Technology (NICT)
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原田 博司
National Institute of Information and Communications Technology (NICT)
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安 昌俊
National Institute of Information and Communications Technology (NICT)
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高橋 賢
National Institute of Information and Communications Technology (NICT)
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Harada H
National Inst. Of Information And Communications Technol. (nict) Kanagawa Jpn
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Ahn C‐j
National Institute Of Information And Communications Technology
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AHN Chang-Jun
National Institute of Information and Communication Technology (NICT), Incorporated Administrative A
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TAKAHASHI Satoshi
National Institute of Information and Communications Technology
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Ahn Chang-jun
Atr Wave Engineering Laboratories
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Ahn Chang-jun
National Institute Of Information And Communication Technology (nict)
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Ahn Chang‐jun
Hiroshima City Univ. Hiroshima‐shi Jpn
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Changjun An
Graduate School Of Engineering Chiba University
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Harada Hiroshi
National Inst. Of Information And Communications Technol. (nict) Kanagawa Jpn
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Takahashi Satoshi
National Institute Of Information And Communications Technology:(present Address)faculty Of Informat
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Harada Hiroshi
New Generation Wireless Communications Research Center National Institute Of Information And Communi
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Ahn C‐j
National Institute Of Information And Communication Technology (nict) Incorporated Administrative Ag
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Harada Hiroshi
National Insitute Of Information And Communication Technology
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