An Effective Channel Estimation Scheme for Bi-Directional Two-Timeslot OFDM Relay Transmission Using Analog Network Coding. - Yuta Koshimizu; Eiji Okamoto (VTC Spring, 2012)

An Efficient Channel Estimation Scheme Using Walsh Pilots in Bi-directional Wireless OFDM Relay Systems with Analog Network Coding. - Yuta Koshimizu; Eiji Okamoto (IEICE Trans. Commun., 2013)

Separation of Two Sound Sources in the Same Direction by Image Signal Processing. - Kenji Ozawa; Yuta Koshimizu; Masanori Morise; Shuichi Sakamoto (GCCE, 2018)