A study on the accuracy of a CDMA-based location system. - Koji Watanabe; Mikio Kuwahara; Atsushi Ogino; Katsuhiko Tsunehara; Hideya Suzuki; Nobukazu Doi (VTC Spring, 2002)

TDOA location system for IEEE 802.11b WLAN. - Ryota Yamasaki; Atsushi Ogino; Tsuyoshi Tamaki; Takaki Uta; Naoto Matsuzawa; Takeshi Kato (WCNC, 2005)