Katsuhiko HIRAMATSU

FOREWORD
Katsuhiko HIRAMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3201-3201
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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Effects of a Phase Rotation Scheme on the DTX Detection Performance for the E-UTRA Uplink ACK/NACK Signals
Seigo NAKAO Tomohumi TAKATA Daichi IMAMURA Katsuhiko HIRAMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1  pp. 262-272
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cyclic shift sequence, CDMA, inter-code interference, phase rotation, HARQ, E-UTRA, DTX detection, uplink control channel, 
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A Novel Phase Rotation Scheme on the Constellations for the E-UTRA Uplink ACK/NACK Signals
Seigo NAKAO Tomohumi TAKATA Daichi IMAMURA Katsuhiko HIRAMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/11/01
Vol. E92-B  No. 11  pp. 3459-3469
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
phase rotation, CDMA, inter-code interference, CS sequences, E-UTRA, uplink control channel, 
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A Novel Spreading Code Design for E-UTRA Uplink Control Channel and Its Performance
Seigo NAKAO Tomohumi TAKATA Masaru FUKUOKA Daichi IMAMURA Katsuhiko HIRAMATSU Kazuyuki MIYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/07/01
Vol. E92-B  No. 7  pp. 2433-2441
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
E-UTRA, uplink control channel, CDMA, cyclic shift sequences, inter-code interference, 
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Pilot Signal Generation Scheme Using Frequency-Dependent Cyclic Shift ZC Sequence for Inter-Cell Interference Mitigation
Daichi IMAMURA Yoshihiko OGAWA Takashi IWAI Tomohumi TAKATA Katsuhiko HIRAMATSU Kazuyuki MIYA Koichi HOMMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1680-1687
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
cyclic shift, Zadoff-Chu sequence, CCI, inter-cell interference, pilot signal, SC-FDMA, E-UTRA, LTE, 
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A Study on Link Adaptation Scheme with Multiple Code Words for Spectral Efficiency Improvement on OFDM-MIMO Systems
Yasuaki YUDA Katsuhiko HIRAMATSU Masayuki HOSHINO Koichi HOMMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/11/01
Vol. E90-A  No. 11  pp. 2413-2422
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: MIMO-OFDM
Keyword: 
OFDM, MIMO, link adaptation, codeword, pre-coding, SIC, 
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Field Experiments on 16QAM/TDMA and Trellis Coded 16QAM/TDMA Systems for Digital Land Mobile Radio Communications
Norihito KINOSHITA Seiichi SAMPEI Eimatsu MORIYAMA Hideichi SASAOKA Yukiyoshi KAMIO Kazuyuki MIYA Katsuhiko HIRAMATSU Kazunori INOGAI Koichi HOMMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/07/25
Vol. E77-B  No. 7  pp. 911-920
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
coded modulation, QAM, TDMA, field experiments, land mobile communications, 
 Summary | Full Text:PDF(936.3KB)