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"Minseok Kim,Jun-ichi Takada,Tetsuo Ando,Ryuji Soma","Development of Real-Time Propagation Measurement System for Electric Toll Collecting (ETC) System","2008 URSI General Assembly","Proc. 2008 URSI General Assembly","URSI",,,,2008,Aug.
"Gilbert Siy Ching,M. Ghoraishi,Navarat Lertsirisopon,Jun-ichi Takada,Itoji Sameda,Ryuji Soma,Hironori Sakamoto,Tetsuro Imai","Prediction of DSRC Service Over-reach inside an Arched Transportation Tunnel",,"International Journal of  ITS Research",,"vol. 6","no. 1","pp. 11-19",2008,July
"金ミンソク,高田潤一,安藤哲雄,相馬隆二","ETC料金所用リアルタイム電波伝搬測定装置の開発","IEICE Technical Report (SR)","IEICE Technical Report (SR)","電子情報通信学会","Vol. 107","no. 452","pp. 101-107 (SR2007-82)",2008,Jan.
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