Performance of a new channel estimator for fast fading and high frequency offset in DS-CDMA/QPSK. - Seok Jun Ko; Kyung Ha Lee; Hyung-Jin Choi (PIMRC, 1998)

A novel digital lock detector for QPSK receiver. - Kyung Ha Lee; Seung Chul Jung; Hyung-Jin Choi (IEEE Trans. Commun., 1998)

Performance of coherent DS-SS/QPSK for mobile communications in fast-fading multipath and high-frequency offset. - Seok Jun Ko; Kyung Ha Lee; Hyung-Jin Choi (IEEE Trans. Veh. Technol., 2001)

A 1.35V 4.3GB/s 1Gb LPDDR2 DRAM with controllable repeater and on-the-fly power-cut scheme for low-power and high-speed mobile application. - Bong Hwa Jeong; Jongwon Lee; Yin Jae Lee; Tae Jin Kang; Joo Hyeon Lee; Duck Hwa Hong; Jae Hoon Kim; Eun Ryeong Lee; Min Chang Kim; Kyung Ha Lee; Sang Il Park; Jong Ho Son; et al. (ISSCC, 2009)

Pressure feedback effects of electro-hydraulic actuator system. - Jong Yoon Choi; Kyung Ha Lee; Seung Guk Baek; Jaejun Park; Hyungpil Moon; Hyouk Ryeol Choi; Jachoon Koo (URAI, 2014)