Hiroyuki FUKUMOTO


Underground Infrastructure Management System using Internet of Things Wireless Transmission Technology
Yo YAMAGUCHI Yosuke FUJINO Hajime KATSUDA Marina NAKANO Hiroyuki FUKUMOTO Shigeru TERUHI Kazunori AKABANE Shuichi YOSHINO 
Publication:   
Publication Date: 2018/10/01
Vol. E101-C  No. 10  pp. 727-733
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
IoT wireless access networks920 MHz BandPropagation from underground manholesIoT services
 Summary | Full Text:PDF

Orbital Angular Momentum (OAM) Multiplexing: An Enabler of a New Era of Wireless Communications
Doohwan LEE Hirofumi SASAKI Hiroyuki FUKUMOTO Ken HIRAGA Tadao NAKAGAWA 
Publication:   
Publication Date: 2017/07/01
Vol. E100-B  No. 7  pp. 1044-1063
Type of Manuscript:  INVITED PAPER (Special Section on Smart Radio and Its Applications in Conjunction with Main Topics of SmartCom)
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
orbital angular momentum multiplexinguniform circular arrayGaussian beamBessel beamlens antenna
 Summary | Full Text:PDF