Akihiro SHIBUYA

Likelihood Estimation for Reduced-Complexity ML Detectors in a MIMO Spatial-Multiplexing System
Masatsugu HIGASHINAKA Katsuyuki MOTOYOSHI Akihiro OKAZAKI Takayuki NAGAYASU Hiroshi KUBO Akihiro SHIBUYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/03/01
Vol. E91-B  No. 3  pp. 837-847
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMO, sphere decoding, QRD-M algorithm, soft-decision outputs, computational complexity, 
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A Co-channel Interference Cancellation Method Using Low Dimensional Sphere Decoding for MIMO Communication Systems
Masatsugu HIGASHINAKA Akihiro OKAZAKI Katsuyuki MOTOYOSHI Takayuki NAGAYASU Hiroshi KUBO Akihiro SHIBUYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2526-2534
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
MIMO, sphere decoding, co-channel interference, computational complexity, 
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Frequency-Domain Equalization Incorporated with Frequency-Domain Redundancy for OFDM Systems
Akihiro OKAZAKI Katsuyuki MOTOYOSHI Masatsugu HIGASHINAKA Takayuki NAGAYASU Hiroshi KUBO Akihiro SHIBUYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2549-2557
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
OFDM, FEQ, ISI, ICI, 
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High Speed Multimedia-Multimode TDMA Radio Transmission System for IMT-2000
Mitsuhiko MIZUNO Eimatsu MORIYAMA Yoichi SAITO Hiroshi USAMI Akihiro SHIBUYA Tetsuo ONODERA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7  pp. 1327-1329
Type of Manuscript:  INVITED PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
mobile communications, TDMA, high speed transmission, multimode, 
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