Naohiko IWAKIRI


Channel Estimator Employing Narrowband Interference Detector of Wideband OFDM Receiver
Naohiko IWAKIRI Takehiko KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/12/01
Vol. E93-A  No. 12  pp. 2646-2653
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
antenna arraychannel estimationcognitive radiointerference detectionOFDMultra-wideband
 Summary | Full Text:PDF

Ultra-Wideband Indoor Double-Directional Channel Estimation Using Transformation between Frequency and Time Domain Signals
Naohiko IWAKIRI Takehiko KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/09/01
Vol. E92-A  No. 9  pp. 2159-2166
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Ultra Wideband System
Keyword: 
antenna arraydouble-directional channel estimationmultiple signal classificationpersonal area networkradio channel measurement and estimationultra-wideband propagation
 Summary | Full Text:PDF

Ultra-Wideband Time-of-Arrival and Angle-of-Arrival Estimation Using a Signal Model Based on Measurements
Naohiko IWAKIRI Takehiko KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/11/01
Vol. E90-A  No. 11  pp. 2345-2353
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: UWB
Keyword: 
Cramer-Rao boundmultiple signal classificationradio channel measurement and estimationultra-wideband propagation
 Summary | Full Text:PDF