Kazuji WATANABE

Novel DSA Scheme that Uses Traffic Characteristics to Enhance Throughput Performance of Wide Area Ubiquitous Wireless Networks
Yoshitaka SHIMIZU Fusao NUNO Kazuji WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11  pp. 3677-3687
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
ubiquitous network, wireless sensor network, DSA scheme, random access, polling, 
 Summary | Full Text:PDF(2.2MB)
A Burst Modulation/Demodulation Method for Narrowband Ubiquitous Communication Systems
Takafumi FUJITA Daisei UCHIDA Yosuke FUJINO Osamu KAGAMI Kazuji WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11  pp. 3416-3425
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies for Practical Ubiquitous and Sensor Networks)
Category: 
Keyword: 
burst modem, ubiquitous, transmission efficiency, burst synchronization, testbed study, 
 Summary | Full Text:PDF(3.3MB)
High-Precision AFC Circuit Applied to 64QAM Point-to-Multipoint Burst Communications
Yushi SHIRATO Kazuji WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12  pp. 3288-3295
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
FWA, AFC, 64QAM, burst communication, 
 Summary | Full Text:PDF(906.1KB)
A Proposal of Simplified Viterbi Equalizer Applied to FWA Systems Employing 64QAM Signals
Hiroshi YOSHIOKA Yushi SHIRATO Kazuji WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 784-790
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
64QAM, FWA, Viterbi equalizer, 
 Summary | Full Text:PDF(1.4MB)
Long-Span Quasi-Millimeter-Wave-Band Fixed Wireless Access System Employing Link Adaptation by Symbol Rate
Mitsutoshi MATSUDA Kazuji WATANABE Hirofumi ICHIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/01/01
Vol. E87-B  No. 1  pp. 117-123
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
quasi-millimeter-wave-band, FWA, rain attenuation, symbol rate, link adaptation, 
 Summary | Full Text:PDF(1.8MB)
Estimation Method of Route Outage Probability in Non-regenerative Repeater Digital Microwave Radio Systems
Kazuji WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/01/25
Vol. E81-B  No. 1  pp. 89-95
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
non-regenerative repeater, digital microwave radio systems, outage probability, 16QAM, 
 Summary | Full Text:PDF(446.6KB)
Broadband Space Diversity for Digital Microwave Radio Systems
Osamu KAGAMI Kazuji WATANABE Teruaki YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/01/25
Vol. E81-B  No. 1  pp. 82-88
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
digital microwave radio, space diversity, inband amplitude dispersion, signal power, three-ray model, 
 Summary | Full Text:PDF(598KB)
Estimation Method for Extraction and Reinjection-Type Interference Canceller
Shuta UWANO Kazuji WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/03/25
Vol. E79-B  No. 3  pp. 373-377
Type of Manuscript:  Special Section LETTER (Special Issue on Advanced Adaptive Radio Communication Technologies)
Category: 
Keyword: 
 Summary | Full Text:PDF(360.9KB)