Takahiko SABA

Time-domain Channel Estimation Considering Antenna Switching Time for RF-MIMO-OFDM under Time-Varying Channels
Masahiro YASUKAWA  Takahiko SABA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/02/01
Vol. J96-B  No. 2  pp. 180-190
Type of Manuscript: Special Section PAPER (Special Issue on Student Research Developing the Future of Communication Technology)
Category: 
Keyword: 
RF-MIMO-OFDM,  channel estimation,  time-domain estimation,  antenna switching time,  time-varying channel, 
  Summary |  Full Text(in Japanese):PDF (1.4MB)
Nonlinear Quantization Scheme Considering Quantization Error for Soft Decision Cooperative Spectrum Sensing in Cognitive Radios
Yuuki TANI  Takahiko SABA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/07/01
Vol. J95-B  No. 7  pp. 907-917
Type of Manuscript: Special Section PAPER (Special Section on Frontiers by Young Researchers)
Category: 
Keyword: 
cognitive radio,  energy detector,  soft decision cooperative spectrum sensing,  quantization, 
  Summary |  Full Text(in Japanese):PDF (1.3MB)
Technical Standard for Unlicensed Radio Device on DTV Band in U.S.A.
Duk-Kyu PARK  Takahiko SABA  Jeffrey H. REED 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2008/11/01
Vol. J91-B  No. 11  pp. 1351-1358
Type of Manuscript: Special Section PAPER (Special Issue on Cognitive Radio for Ubiquitous Network Society)
Category: 
Keyword: 
unlicensed radio device,  tv band,  technical standard,  cognitive radio, 
  Summary |  Full Text(in Japanese):PDF (244.4KB)