Performance Enhancement of E-UTRA Uplink Control Channel in Fast Fading Environments. - Seigo Nakao; Tomofumi Takata; Daichi Imamura; Katsuhiko Hiramatsu (VTC Spring, 2009)

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 (IEICE Trans. Commun., 2009)

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 (IEICE Trans. Commun., 2009)

A Novel Phase Rotation Scheme on the Constellations for the E-UTRA Uplink ACK/NACK Signals. - Seigo Nakao; Tomohumi Takata; Daichi Imamura; Katsuhiko Hiramatsu (IEICE Trans. Commun., 2009)

System Performance of Clustered DFT-S-OFDM Considering Maximum Allowable Transmit Power. - Takashi Iwai; Atsushi Matsumoto; Shinsuke Takaoka; Yoshihiko Ogawa; Akihiko Nishio; Daichi Imamura (ICC, 2011)

Interference Mitigation Using Coordinated Backhaul Timing Allocation for LTE-Advanced Relay Systems. - Yasuaki Yuda; Ayako Iwata; Daichi Imamura (ICC, 2011)

Radio Interface Technologies for Cooperative Transmission in 3GPP LTE-Advanced. - Tetsushi Abe; Yoshihisa Kishiyama; Yoshikazu Kakura; Daichi Imamura (IEICE Trans. Commun., 2011)

Reference Signal Transmission Schemes for Coordinated Multi-Point Transmission for 3GPP LTE-Advanced. - Masayuki Hoshino; Tadashi Yoshida; Daichi Imamura (IEICE Trans. Commun., 2011)

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 001; Susumu Yoshida (IEICE Trans. Commun., 2011)

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 (IEICE Trans. Commun., 2011)

Study of Leakage-Based Precoding Scheme That Supports Coordinated Multi-Point Operation for LTE. - Masayuki Hoshino; Hui Tong; Tomohumi Takata; Yasuaki Yuda; Daichi Imamura (VTC Spring, 2012)

System Evaluation of MU-MIMO and Multi-Cluster Allocation in LTE-Advanced Uplink. - Akihiko Nishio; Takashi Iwai; Atsushi Matsumoto; Daichi Imamura (VTC Spring, 2012)