Publication: Publication Date: 2018/07/01 Vol. E101-BNo. 7pp. 1589-1601 Type of Manuscript: Special Section PAPER (Special Section on Communication Quality in Wireless Networks) Category: Keyword: cognitive radio, dynamic spectrum access, rendezvous scheme,
Publication: Publication Date: 2017/07/01 Vol. E100-BNo. 7pp. 1105-1114 Type of Manuscript: Special Section PAPER (Special Section on Smart Radio and Its Applications in Conjunction with Main Topics of SmartCom) Category: Network Keyword: wireless sensor networks, information collection, OFDM, transmission power control,
Joint Resource Allocation with Interference Constraint for Cognitive Multi-Hop Wireless Networks Shuta KAKOOsamu TAKYUTakeo FUJII
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2015/02/01 Vol. E98-ANo. 2pp. 569-577 Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems) Category: Keyword: cognitive radio, multi-hop network, resource allocation, joint allocation,
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/01/01 Vol. E98-BNo. 1pp. 88-98 Type of Manuscript: Special Section PAPER (Special Section on Quality of Diversifying Communication Networks and Services) Category: Keyword: OFDM, repetition coding, maximal ratio combining, fading correlation, closed-form equation,
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/12/01 Vol. E93-ANo. 12pp. 2672-2681 Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems) Category: Keyword: SC-FDMA, IFDMA, decision directed channel estimation (DDCE), phase rotation,
Frequency Rotation for Suppressing Multipath Interference and Achieving Large Frequency Diversity in Uplink IFDMA Osamu TAKYUYohtaro UMEDAMasao NAKAGAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/05/01 Vol. E93-BNo. 5pp. 1284-1288 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: IFDMA, frequency rotation, suppressing, multipath interference,
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/12/01 Vol. E92-BNo. 12pp. 3803-3814 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: SC-FDMA, IFDMA, Scattered Pilot Assisted Channel Estimation, PAPR,
Frequency Spectrum Rotation in Interleaved Frequency Division Multiplexing Osamu TAKYUMasao NAKAGAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/07/01 Vol. E91-BNo. 7pp. 2357-2365 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: interleaved FDM, frequency spectrum rotation,
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/11/01 Vol. E90-ANo. 11pp. 2404-2412 Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems) Category: OFDM/Relay Keyword: cooperative communication, transmit diversity, soft decision symbol, CRC,
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/11/01 Vol. E89-ANo. 11pp. 3138-3147 Type of Manuscript: Special Section PAPER (Special Section on Wide Band Systems) Category: Keyword: TDD, asymmetric slot allocation, AMC, MCS selection error,
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/07/01 Vol. E89-ANo. 7pp. 1884-1891 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: peak power problem, OFDM symbol, compressing and expanding (companding) system,
A Sign Selection Method of Orthogonal Variable Spreading Factor Code for Peak Power Reduction in Multi-Rate OFCDM Systems Osamu TAKYUTomoaki OHTSUKIMasao NAKAGAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/04/01 Vol. E89-BNo. 4pp. 1333-1345 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: OFCDM, multi-rate communication, OVSF code, peak power problem,
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/07/01 Vol. E88-BNo. 7pp. 3057-3061 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: multi-carrier transmission, nonlinear distortion, peak power problem,