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)

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)

Scheduling Algorithm with Multiple Feedbacks for Supporting Coordinated Multipoint Operation for LTE-Advanced Systems. - Masayuki Hoshino; Yasuaki Yuda; Tomohumi Takata; Akihiko Nishio (IEICE Trans. Commun., 2013)