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Effect of Transparent Waves from Building Walls on Path Loss Characteristics at Blind Intersection in Urban Area for 700MHz Band Inter-Vehicle Communications
Suguru IMAI Kenji TAGUCHI Tatsuya KASHIWA
IEICE TRANSACTIONS on Electronics
Publication Date: 2016/07/01
Online ISSN: 1745-1353
Type of Manuscript: BRIEF PAPER
path loss, transparent wave, blind intersection, 760MHz, inter-vehicle communication, FDTD method,
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In the development of inter-vehicle communication systems for a prevention of car crashes, it is important to know path loss characteristics at blind intersections in urban area. Thus field experiments and numerical simulations have been performed. By the way, transparent waves from building walls are not considered in many cases. The reason why is that it is the worst case in terms of the path loss at blind intersection surrounded by buildings in urban area. However, it would be important to know the effect of transparent wave on the path loss in actual environments. On the other hand, path loss models have been proposed to estimate easily the path loss in urban environment. In these models, the effect of transparent wave is not clear. In this paper, the effect of transparent wave from building walls on path loss characteristics at blind intersection in urban area is investigated by using the FDTD method. Additionally, the relationship between transparent wave and path loss models is also investigated.