A digital audio signal processor for cellular phone application. - Jeongsik Yang; Chanhong Park; Beomsup Kim (ASP-DAC, 1995)

16-bit DSP and System for Baseband / Voiceband Processing of IS-136 Cellular Telephony. - Tae Hun Kim; Jeongsik Yang; Kyoo Hyun Lim; Jin Wook Kim; Jeong Eun Lee; Hyoung Sik Nam; Young Gon Kim; Jeong Pyo Kim; Sangjin Byun; Bae Sung Kwon; Beomsup Kim (ASP-DAC, 1999)

A four-channel 3.125-Gb/s/ch CMOS serial-link transceiver with a mixed-mode adaptive equalizer. - Jinwook Kim; Jeongsik Yang; Sangjin Byun; Hyunduk Jun; Jeongkyu Park; Cormac S. G. Conroy; Beomsup Kim (IEEE J. Solid State Circuits, 2005)

A low power CMOS SAW-less quad band WCDMA/HSPA/1X/EGPRS transmitter. - Marco Cassia; Aristotele Hadjichristos; Hong Sun Kim; Jin-Su Ko; Jeongsik Yang; Sang-Oh Lee; Kamal Sahota (ESSCIRC, 2008)

A Low-Power CMOS SAW-Less Quad Band WCDMA/HSPA/HSPA+/1X/EGPRS Transmitter. - Marco Cassia; Aristotele Hadjichristos; Hong Sun Kim; Jin-Su Ko; Jeongsik Yang; Sang-Oh Lee; Gurkanwal Sahota (IEEE J. Solid State Circuits, 2009)