論文 - 安達 宏一
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Phase Rotation for Constructing Uniform Frequency Spectrum in IFDMA Communication
Takeo Yamasaki, Osamu Takyu, Koichi Adachi, Yohtaro Umeda, and Masao Nakagawa
IEICE Trans. Fundamentals E93-A ( 12 ) 2672 - 2681 2010年12月
研究論文(学術雑誌), 共著, 査読有り
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On the Construction of Orthogonal Spreading Code Groups for MC-CDMA with FDE in a Frequency Selective Channel
Koichi Adachi and Masao Nakagawa
IEICE Trans. Commun. E93-B ( 3 ) 650 - 659 2010年03月
研究論文(学術雑誌), 共著, 査読有り
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Channel Capacity of MC-CDMA and Impact of Residual ICI
Koichi Adachi, Fumiyuki Adachi, and Masao Nakagawa
IEICE Trans. Commun. E92-B ( 1 ) 209 - 218 2009年01月
研究論文(学術雑誌), 共著, 査読有り
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On Cellular MIMO Channel Capacity
Koichi Adachi, Fumiyuki Adachi, and Masao Nakagawa
IEICE Trans. Commun. E91-B ( 7 ) 2366 - 2373 2008年07月
研究論文(学術雑誌), 共著, 査読有り
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Relay Method of Sending Soft Decision Symbol Based on the Result of Error Detecting Code in Cooperative Communication
Yuki Fukuyama, Osamu Takyu, Koichi Adachi, and Masao Nakagawa
IEICE Trans. Fundamentals E90-A ( 11 ) 2404 - 2412 2007年11月
研究論文(学術雑誌), 共著, 査読有り
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Theoretical Analysis of Decision Directed Block Iterative Channel Estimation for OFDM Mobile Radio,
Koichi Adachi and Masao Nakagawa
IEICE Trans. Commun. E90-B ( 7 ) 1764 - 1772 2007年07月
研究論文(学術雑誌), 共著, 査読有り
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Iterative Modified QRD-M Based on CRC Codes for OFDM MIMO Multiplexing
Koichi Adachi and Masao Nakagawa
IEICE Trans. Commun. E90-B ( 6 ) 1433 - 1443 2007年06月
研究論文(学術雑誌), 共著, 査読有り
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Iterative QRM-MLD with Pilot Assisted Decision Directed Channel Estimation for OFDM MIMO Multiplexing
Koichi Adachi, Riaz Esmailzadeh, and Masao Nakagawa
IEICE Trans. Fundamentals E89-A ( 7 ) 1892 - 1902 2006年07月
研究論文(学術雑誌), 共著, 査読有り