Toru OTSU


Frequency Channel Allocation Scheme in Autonomous Distributed Control Wireless Base Station Network
Koichiro YAMAGUCHI Yuji ABURAKAWA Yuji NAKAYAMA Toru OTSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1627-1635
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
frequency channel allocationautonomous distributed control networkwireless multi-hop networkbase station network
 Summary | Full Text:PDF(1.1MB)

Transmit Power and Window Control to Reduce Inter-User Interference in CDMA Cellular Packet Systems
Hiroyuki KAWAI Shinzo OHKUBO Toru OTSU Hirohito SUDA Yasushi YAMAO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1698-1706
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
mobile communicationscode division multiple accesspacket transmissioninterference reductiontransmit power controltransmission delay
 Summary | Full Text:PDF(1.2MB)

Experimental Evaluation of 800-nm Band Optical Wireless Link for New Generation Mobile Radio Access Network
Yuji ABURAKAWA Toru OTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1175-1183
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies)
Category: Photonic Links for Wireless Communications
Keyword: 
optical wireless linkradio access networknew generation mobile communication systemsatmosphere propagation property
 Summary | Full Text:PDF(1.2MB)

Multi-Hop Wireless Link System for New Generation Mobile Radio Access Networks
Toru OTSU Yuji ABURAKAWA Yasushi YAMAO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/08/01
Vol. E85-B  No. 8  pp. 1542-1551
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
mobile communicationwireless multi-hop networkco-frequency interferencetransmission power
 Summary | Full Text:PDF(818.5KB)