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Paper Abstract and Keywords
Presentation 2019-08-19 10:50
An Evaluation of Human Body Shadowing Effect on UWB Signals
Ken-ichi Koga, Yoshiki Oishi, Satoshi Mori, Kazuki Naiki, Hiroaki Iwashita (Tokai Rika) SRW2019-16
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, impulse radio ultra-wideband (IR-UWB) communication of an impulse radio (Impulse Radio) system has attracted attention. IR-UWB is a radio technique that consists to send extremely short impulses (few nano-seconds), allows for precise ranging by measuring the round trip time of the impulses between communication devices, realizes the secure ranging with a encrypted impulse sequence. When IR-UWB is employed by wearable devices, in the 3 GHz to 10 GHz band where IR-UWB can be used, the propagation loss due to human body shadowing becomes a major problem. In this paper, we examine how the shadowing attenuation changes depending on the frequency and the antenna-human distance. And, how to select the frequency for IR-UWB communication is clarified.
Keyword (in Japanese) (See Japanese page) 
(in English) UWB / IR-UWB / human body shadowing / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 166, SRW2019-16, pp. 19-23, Aug. 2019.
Paper # SRW2019-16 
Date of Issue 2019-08-12 (SRW) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Download PDF SRW2019-16

Conference Information
Committee SRW  
Conference Date 2019-08-19 - 2019-08-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Tanzan University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network, MAC, Sensor, mmWave, etc. 
Paper Information
Registration To SRW 
Conference Code 2019-08-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Evaluation of Human Body Shadowing Effect on UWB Signals 
Sub Title (in English)  
Keyword(1) UWB  
Keyword(2) IR-UWB  
Keyword(3) human body shadowing  
1st Author's Name Ken-ichi Koga  
1st Author's Affiliation Tokai Rika Co., Ltd. (Tokai Rika)
2nd Author's Name Yoshiki Oishi  
2nd Author's Affiliation Tokai Rika Co., Ltd. (Tokai Rika)
3rd Author's Name Satoshi Mori  
3rd Author's Affiliation Tokai Rika Co., Ltd. (Tokai Rika)
4th Author's Name Kazuki Naiki  
4th Author's Affiliation Tokai Rika Co., Ltd. (Tokai Rika)
5th Author's Name Hiroaki Iwashita  
5th Author's Affiliation Tokai Rika Co., Ltd. (Tokai Rika)
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Date Time 2019-08-19 10:50:00 
Presentation Time 25 
Registration for SRW 
Paper # IEICE-SRW2019-16 
Volume (vol) IEICE-119 
Number (no) no.166 
Page pp.19-23 
#Pages IEICE-5 
Date of Issue IEICE-SRW-2019-08-12 

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