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IEICE Trans

Daichi IMAMURA

Reference Signal Transmission Schemes for Coordinated Multi-Point Transmission for 3GPP LTE-Advanced
Masayuki HOSHINO Tadashi YOSHIDA Daichi IMAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3346-3353
Type of Manuscript:  Special Section PAPER (Special Section on Cooperative Communications for Cellular Networks)
Category: 
Keyword: 
MIMO, coordinated multi-point transmission, reference signal, LTE-Advanced, 
 Summary | Full Text:PDF
Radio Interface Technologies for Cooperative Transmission in 3GPP LTE-Advanced
Tetsushi ABE Yoshihisa KISHIYAMA Yoshikazu KAKURA Daichi IMAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3202-3210
Type of Manuscript:  INVITED PAPER (Special Section on Cooperative Communications for Cellular Networks)
Category: 
Keyword: 
LTE-Advanced, CoMP, eICIC, relay, 
 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
Resource Reduction Method for the LTE-Advanced Uplink ACK/NACK Signal and SR
Seigo NAKAO Kenji TAKAGI Masaru FUKUOKA Daichi IMAMURA Hidekazu MURATA Koji YAMAMOTO Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1  pp. 364-367
Type of Manuscript:  LETTER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
LTE-Advanced, space orthogonal resource transmit diversity, phase rotation, ACK/NACK signal, scheduling request, 
 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