Akio HASEGAWA


ROD-SAN: Energy-Efficient and High-Response Wireless Sensor and Actuator Networks Employing Wake-Up Receiver
Hiroyuki YOMO Takahiro KAWAMOTO Kenichi ABE Yuichiro EZURE Tetsuya ITO Akio HASEGAWA Takeshi IKENAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/09/01
Vol. E99-B  No. 9  pp. 1998-2008
Type of Manuscript:  Special Section PAPER (Special Section on Integration Technologies of Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
wireless sensor and actuator networkswake-up receiverduty-cyclingexperimental prototype and implementation
 Summary | Full Text:PDF(3.3MB)

Azimuth Variable-Path Loss Fitting with Received Signal Power Data for White Space Boundary Estimation
Kenshi HORIHATA Issei KANNO Akio HASEGAWA Toshiyuki MAEYAMA Yoshio TAKEUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/01/01
Vol. E99-B  No. 1  pp. 87-94
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014)
Category: Wireless Communication Technologies
Keyword: 
spectrum databaseradio environment mapspectrum sharingpathloss fittingazimuth variable
 Summary | Full Text:PDF(3.1MB)