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IEICE Trans

Kei OHYA

Experimental Evaluation of Synchronized SS-CDMA Transmission Timing Control Method for QZSS Short Message Communication
Suguru KAMEDA Kei OHYA Hiroshi OGUMA Noriharu SUEMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1781-1790
Type of Manuscript:  PAPER
Category: Satellite Communications
Keyword: 
SS-CDMA, QZSS, GPS, timing synchronization, satellite communication, 
 Summary | Full Text:PDF
Random Access Control Scheme with Reservation Channel for Capacity Expansion of QZSS Safety Confirmation System
Suguru KAMEDA Kei OHYA Tomohide TAKAHASHI Hiroshi OGUMA Noriharu SUEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2019/01/01
Vol. E102-A  No. 1  pp. 186-194
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
Quasi-Zenith Satellite System (QZSS), Global Positioning System (GPS), access control, frame slotted ALOHA, flag method, 1-bit flag, synchronized spread spectrum code division multiple access (synchronized SS-CDMA), 
 Summary | Full Text:PDF