Hiroyuki KAMATA


Practical Implementation of Spectrum Sensing and Signal Detection for Satellite Broadcasting Systems
Hiroyuki KAMATA Gia Khanh TRAN Kei SAKAGUCHI Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1894-1901
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
signal detectionsatellite broadcastDVB-SDVB-S2cognitive radio
 Summary | Full Text:PDF(1.5MB)

Robust and Low Complexity Bandwidth and Carrier Frequency Estimation for Cognitive Radio
Hiroyuki KAMATA Gia Khanh TRAN Kei SAKAGUCHI Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/02/01
Vol. E99-B  No. 2  pp. 499-506
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
signal detectioncoarse bandwidth estimationcoarse carrier frequency estimationspectrum sensingcognitivecyclostationarity
 Summary | Full Text:PDF(1.7MB)

Private Communications with Chaos Based on the Fixed-Point Computation
Hiroyuki KAMATA Yohei UMEZAWA Masamichi DOBASHI Tetsuro ENDO Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/06/25
Vol. E83-A  No. 6  pp. 1238-1246
Type of Manuscript:  PAPER
Category: Information Security
Keyword: 
chaosprivate communicationsfixed-point computationunstable digital filters
 Summary | Full Text:PDF(1.1MB)

Linear Phase IIR Hilbert Transformers Using Time Reversal Techniques
Atsushi HIROI Hiroyuki KAMATA Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/05/25
Vol. E77-A  No. 5  pp. 864-867
Type of Manuscript:  Special Section LETTER (Special Section on Signal Processing and System Theory)
Category: 
Keyword: 
Hilbert transformerIIR digital filter
 Summary | Full Text:PDF(204.6KB)