Presentation 2014/7/17
Reproducibility of Mobile Propagation Loss at 20GHz in 1/133Scale Model for Residential Areas : Applied Conditions of Scale Model
Daisuke WAKITA, Nozomu KAWASAKI, Shinichi ICHITSUBO,
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Abstract(in English) Scale model method is one of the candidates in the research methods for radio propagation. In order to construct the scale model method, the propagation losses in the scale model were compared with these in real environment. In the past, the 1/70 and 1/133 scale models were examined. In this study, the propagation loss was measured at 10.5GHz in the 1/200 scale model and at 20GHz in the 1/133 scale model. Then these propagation losses were compared with the measurement data at 52.5MHz or 150MHz in real environment. The standard deviation of the differences between the propagation losses for real environment and the scale model are 11.5 dB for 1/200 scale model, 4.2 dB for 1/133 scale model. The reproducibility of 1/70, 1/133, 1/200 and 1/350 were compared. It is cleared that when scale size becomes larger, the standard deviations of the differences become smaller. When 150MHz measurement data in real environment was used, the standard deviation of the differences was small. But when 30MHz measurement date in real environment was used, that was large. It is thought that measurement frequency in real environment influences reproducibility of the propagation loss in scale models.
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Keyword(in English) Radio propagation / Propagation loss / Scale model / Residential areas
Paper # A・P2014-66,SAT2014-19
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Committee SAT
Conference Date 2014/7/17(1days)
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Registration To Satellite Telecommunications (SAT)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Reproducibility of Mobile Propagation Loss at 20GHz in 1/133Scale Model for Residential Areas : Applied Conditions of Scale Model
Sub Title (in English)
Keyword(1) Radio propagation
Keyword(2) Propagation loss
Keyword(3) Scale model
Keyword(4) Residential areas
1st Author's Name Daisuke WAKITA
1st Author's Affiliation Kyushu Institute of Technology()
2nd Author's Name Nozomu KAWASAKI
2nd Author's Affiliation Kyushu Institute of Technology
3rd Author's Name Shinichi ICHITSUBO
3rd Author's Affiliation Kyushu Institute of Technology
Date 2014/7/17
Paper # A・P2014-66,SAT2014-19
Volume (vol) vol.114
Number (no) 149
Page pp.pp.-
#Pages 6
Date of Issue