Koya SATO

Low Storage, but Highly Accurate Measurement-Based Spectrum Database via Mesh Clustering
Rei HASEGAWA Keita KATAGIRI Koya SATO Takeo FUJII 
Publication:   
Publication Date: 2018/10/01
Vol. E101-B  No. 10  pp. 2152-2161
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Distributed Networks for IoT Era)
Category: 
Keyword: 
cognitive radio, spectrum sensing, spectrum sharing, spectrum database, clustering, 
 Summary | Full Text:PDF
Cooperative Distributed STBC Transmission Scheme for Multi-Hop V2V Communications
Cong-Hoang DIEM Koya SATO Takeo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/01/01
Vol. E99-A  No. 1  pp. 252-262
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Transport Systems)
Category: 
Keyword: 
distributed STBC, OFDM, multi-hop V2V communications, broadcast routing, cooperative communications, 
 Summary | Full Text:PDF
Measurement-Based Spectrum Database for Flexible Spectrum Management
Koya SATO Masayuki KITAMURA Kei INAGE Takeo FUJII 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/10/01
Vol. E98-B  No. 10  pp. 2004-2013
Type of Manuscript:  Special Section PAPER (Special Section on 5G Radio Access Networks―Part II: Multi-RAT Heterogeneous Networks and Smart Radio Technologies)
Category: 
Keyword: 
dynamic spectrum access, cognitive radio, spectrum database, TVWS, 
 Summary | Full Text:PDF