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IEICE TRANSACTIONS on Communications

An Overview of Recent Propagation Studies for Land Mobile Communications

Mitsuhiko MIZUNO, Eimatsu MORIYAMA, Takeshi MANABE

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Summary :

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 VHP, UHF and SHF to EHF bands.

Publication
IEICE TRANSACTIONS on Communications Vol.E76-B No.2 pp.58-64
Publication Date
1993/02/25
Publicized
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DOI
Type of Manuscript
Special Section INVITED PAPER (Special Issue on Land Mobile/Portable Propagation)
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