An Overview of Recent Propagation Studies for Land Mobile Communications (Special Issue on Land Mobile/Portable Propagation)
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概要
- 論文の詳細を見る
This paper mainly concentrates on recent studies on land mobile propagation, considering new trends of the progress of digital and personal land mobile communications. High speed digital transmission for millimeter-wave indoor communication is of another current interest. Microcellular propagation in urban areas and indoor propagation are major research targets at present days. Multipath propagation characteristics such as delay-profiles becomes more and more important measuring items, and some signal processing methods like MUSIC method have been widely introduced to improve the time resolution against the limit of available radio bandwidth. Path-loss characteristics in mobile propagation are extended to the path-loss prediction and are going to be applied to cellular system design in connection with the design of directional base-station antennas. Another recent topic is an extension of target frequency bands for mobile propagation studies, which are spreading from VHF, UHF and SHF to EHF bands.
- 社団法人電子情報通信学会の論文
- 1993-02-25
著者
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MANABE Takeshi
Communications Research Laboratory
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Manabe Takeshi
Communications Research Laboratory Ministry Of Posts And Telecommunications
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MORIYAMA Eimatsu
Communications Research Laboratory, Independent Administrative Institution
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Mizuno Mitsuhiko
Communications Research Laboratory Ministry Of Posts And Telecommunications
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Moriyama E
Communications Research Laboratory Independent Administrative Institution
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Moriyama Eimatsu
Communications Research Laboratory
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