Keyword : spectrum database


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 radiospectrum sensingspectrum sharingspectrum databaseclustering
 Summary | Full Text:PDF

Smart Spectrum for Future Wireless World
Takeo FUJII Kenta UMEBAYASHI 
Publication:   
Publication Date: 2017/09/01
Vol. E100-B  No. 9 ; pp. 1661-1673
Type of Manuscript:  INVITED PAPER (Special Issue the Past, Present, and Future of Communications Technologies in the IEICE)
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
smart spectrumspectrum measurementspectrum usage modelingspectrum databasespectrum management
 Summary | Full Text:PDF

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

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 accesscognitive radiospectrum databaseTVWS
 Summary | Full Text:PDF