ITE Technical Report
Online ISSN : 2424-1970
Print ISSN : 1342-6893
ISSN-L : 1342-6893
32.42
Session ID : BCT2008-95
Conference information
A Study of Radio Propagation Characteristics for DTTB Mobile Reception in a Gorge Environment
Masahiro OKANOYoshikazu NARIKIYOHiroyuki FURUTAKenichi TSUCHIDAKazuhiko SHIBUYA
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Abstract
One of the features of Integrated Services Digital Broadcasting-Terrestrial (ISDB-T) is mobile reception capability. Previously, we have measured and analyzed propagation characteristics of mobile reception environment in urban and suburban areas. For this research, we measured the field strength of a One-Seg signal with a moving vehicle and analyzed the propagation characteristics of mobile reception in a gorge. The results show that with non line of sight, field strength at 1.8 m was 25.4 dB lower than the free space field strength, and the coverage of One-Seg mobile reception in a gorge is almost the same as that of fixed reception when using 2-branch diversity reception.
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© 2008 The Institute of Image Information and Television Engineers
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