Near-ultrasound communication for TV's 2nd screen services. - Soonwon Ka; Tae Hyun Kim 001; Jae Yeol Ha; Sun Hong Lim; Su Cheol Shin; Jun Won Choi; Chulyoung Kwak; Sunghyun Choi 001 (MobiCom, 2016)

No Entry: Anti-Noise Energy Detector for Chirp-Based Acoustic Communication. - Chulyoung Kwak; Seongwon Kim; Soonwon Ka; Jihwan Lee; Sunghyun Choi 001 (SECON, 2019)

Reliable and Low-Complexity Chirp Spread Spectrum-Based Aerial Acoustic Communication. - Jihwan Lee; Chulyoung Kwak; Seongwon Kim; Saewoong Bahk (IEEE Access, 2020)