4-dimensional modulation for a bandlimited channel using Q2 PSK. - Hae Geun Kim (WCNC, 1999)

Performance Enhancement of Wireless LAN Based on Infrared Communications Using Multiple-Subcarrier Modulation. - Hae Geun Kim (ICCSA (2), 2005)

Power Efficient Wireless LAN Using 16-State Trellis-Coded Modulation for Infrared Communications. - Hae Geun Kim (ICCSA (3), 2006)

Maximizing Minimum Distance to Improve Performance of 4-D PSK Modulator for Efficient Wireless Optical Internet Access and Digital Modulation. - Hae Geun Kim (FGIT-FGCN (1), 2010)

All-Optical RZ-to-NRZ Converted Data Transmission at 10 Gb/s. - Hyuek Jae Lee; Ik Soo Jin; Hae Geun Kim (FGIT, 2010)

An Ontology-Based ADL Recognition Method for Smart Homes. - Ihn-Han Bae; Hae Geun Kim (FGIT-FGCN (2), 2011)

High Speed Optical Coherent Transmission System Using Narrowband FM Subcarrier Multiplexing. - Hae Geun Kim (FGIT, 2011)

FM Subcarrier Multiplexing Using Multitone Modulation for Optical Coherent Communications. - Hae Geun Kim; Ihn-Han Bae (FGIT-FGCN (2), 2011)