Tomohumi TAKATA

Scheduling Algorithm with Multiple Feedbacks for Supporting Coordinated Multipoint Operation for LTE-Advanced Systems
Masayuki HOSHINO Yasuaki YUDA Tomohumi TAKATA Akihiko NISHIO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/11/01
Vol. E96-B  No. 11  pp. 2906-2912
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMO, coordinated multipoint transmission, dynamic point selection, feedback, LTE-Advanced systems, 
 Summary | Full Text:PDF
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, 
 Summary | Full Text:PDF
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, 
 Summary | Full Text:PDF
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, 
 Summary | Full Text:PDF
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, 
 Summary | Full Text:PDF