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: 1994/07/20
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, 
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