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Paper Abstract and Keywords
Presentation
Three-Ray Pathloss Model for Ultra Wideband Impulse Radio Systems
Pichaya Supanakoon, Sathaporn Promwong (KMITL), Jun-ichi Takada (Tokyo Tech)
Abstract (in Japanese) (See Japanese page) 
(in English) Pathloss is important parameter to analyze and design link budget. For indoor environment, there is fading that occurs in pathloss. Therefore, accurate pathloss model, which is considered fading, is necessary. In this paper, three-ray path loss model is proposed for untra wideband impulse radio (UWB-IR) systems. The rectangular passband was used as UWB-IR transmitted signal. The extension of Friis transmission formula was applied for UWB-IR three-ray channel. The received signal is evaluated. The closed form formula of three-ray pathloss model was derived based on average power loss. The path loss from proposed model was illustrated and compared with ground reflection model (two-ray model) and free space model. This model can be used to study the characteristic of fading and extended to multi-ray pathloss model for indoor environment.
Keyword (in Japanese) (See Japanese page) 
(in English) three-ray model / pathloss / ultra wideband impulse radio (UWB-IR) / / / / /  
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Conference Information
Committee MW  
Conference Date 2011-08-10 - 2011-08-12 
Place (in Japanese) (See Japanese page) 
Place (in English) KMITL, Ladkrabang, Thailand 
Topics (in Japanese) (See Japanese page) 
Topics (in English) RF, Microwave, and Millimeter-wave Theory and Techniques 
Paper Information
Registration To MW 
Conference Code 2011-08-MW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Three-Ray Pathloss Model for Ultra Wideband Impulse Radio Systems 
Sub Title (in English)  
Keyword(1) three-ray model  
Keyword(2) pathloss  
Keyword(3) ultra wideband impulse radio (UWB-IR)  
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1st Author's Name Pichaya Supanakoon  
1st Author's Affiliation King Mongkut's Institute of Technology Ladkrabang (KMITL)
2nd Author's Name Sathaporn Promwong  
2nd Author's Affiliation King Mongkut's Institute of Technology Ladkrabang (KMITL)
3rd Author's Name Jun-ichi Takada  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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