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hideo umehara
hideo umehara
Materials science
Optics
3G MIMO
Computer network
MIMO
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ハイブリッドビームフォーミングを用いる高SHF帯 Massive MIMO における実伝搬データを用いた特性評価
2017
hiroyuki miyazaki
kei satou
satosi suyama
atusi masino
kenzi nakagawa
hideo umehara
akihiro okazaki
yukihiko okumura
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A-5-4 室内光無線通信におけるSISOとMIMOの特性比較(A-5.ワイドバンドシステム,一般セッション)
2009
hideo umehara
hideki isio
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試乗記 東京地下鉄 有楽町線『10000系車両』試乗会
2006
hideo umehara
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The formation of the opening for the cut-ray machine
2000
kyouiti simomura
hideo umehara
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