Takeo IWATA


An Improvement of Communication Environment for ETC System by Using Transparent EM Wave Absorber
Hiroshi KURIHARA Yoshihito HIRAI Koji TAKIZAWA Takeo IWATA Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/12/01
Vol. E88-C  No. 12  pp. 2350-2357
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
electronic toll collection system (ETC)transparent EM wave absorberresistive filmcircular polarized wave (CP wave)reflectivitytransmittivity
 Summary | Full Text:PDF

Experimental Determination of Propagation Paths for the ETC System--Equipment Development and Field Test--
Katsuyuki HANEDA Jun-ichi TAKADA Takeo IWATA Yoshitaka WAKINAKA Takeshi KUNISHIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/11/01
Vol. E87-A  No. 11  pp. 3008-3015
Type of Manuscript:  PAPER
Category: Intelligent Transport System
Keyword: 
ETCDSRCpropagationshort range wireless communicationmeasurement systempath determination3-D unitary ESPRITSAGE algorithm
 Summary | Full Text:PDF