Robust least squares algorithm based position and heading estimator by using range difference measurement and heading sensor. - Ka Hyung Choi; Yong Hwi Kim; Tae Sung Yoon; Jin Bae Park (CDC, 2012)

Target Localization Using Instrumental Variable Method in Sensor Network. - Yong Hwi Kim; Ka Hyung Choi; Tae Sung Yoon; Jin Bae Park (IEICE Trans. Commun., 2013)

Compensated robust least-squares estimator for target localisation in sensor network using time difference of arrival measurements. - Ka Hyung Choi; Won-Sang Ra; Jin Bae Park; Tae Sung Yoon (IET Signal Process., 2013)

Robust Least Squares Approach to Passive Target Localization Using Ultrasonic Receiver Array. - Ka Hyung Choi; Won-Sang Ra; So-Young Park; Jin Bae Park (IEEE Trans. Ind. Electron., 2014)