A 1.8∼3.2-GHz fully differential GaAs MESFET PLL. - Tae-Sik Cheung; Bhum-Cheol Lee; Eun-Chang Choi; Woo-Young Choi (IEEE J. Solid State Circuits, 2001)

Development of sensor network nodes for ultrasonic sensor-driven position system inside buildings. - Yong-Hoon Cho; Soon-Pil Choi; Won-Yong Kim; Eun-Chang Choi (SUTC (2), 2006)

Closed-form expressions for the symbol error probability of 3-D OFDM. - Zhenxing Chen; Eun-Chang Choi; Seog Geun Kang (IEEE Commun. Lett., 2010)

High-Speed Positioning and Automatic Updating Technique Using Wi-Fi and UWB in a Ship. - Ju-Hyeon Seong; Eun-Chang Choi; Jang-Se Lee; Dong-Hoan Seo (Wirel. Pers. Commun., 2017)

Design and Verification of a Gravity-Compensated Tool Handler for Supporting an Automatic Hair-Implanting Device. - Jung-Wook Suh; Eun-Chang Choi (IEEE Robotics Autom. Lett., 2019)