OVSF code allocation and two-stage combining method to reduce inter-code interference in OFCDM system. - Kazuhiko Hasegawa; Ryuichiro Shimura; Tsutomu Ohno; Naoki Yoshimochi; Iwao Sasase (PIMRC, 2005)

TDOA Mobile Terminal Positioning with Weight Control based on Received Power of Pilot Symbol in Taylor-Series Estimation. - Ryuichiro Shimura; Iwao Sasase (PIMRC, 2006)