Study on a strategy for spectrum efficiency enhancement of DTV White Space in Korea. - Heejoong Kim; Hyungoo Yoon; Hideki Sunahara (IWCMC, 2011)

Coexistence of a TETRA system with a terrestrial DTV system in white spaces. - Heejoong Kim; Hideki Sunahara; Akira Kato (Kaleidoscope, 2011)

Comparison on DTV affected range by difference of secondary user bandwidth in adjacent channel. - Heejoong Kim; Hideki Sunahara; Akira Kato (ISWCS, 2012)

Study on public service model with DTV white space in Korea. - Heejoong Kim; Seunghyeok Baek; Ichiya Nakamura; Hideki Sunahara (Int. J. Inf. Syst. Chang. Manag., 2012)

Usability of spectrum overlay in the TV band in urban areas: focus on service availability range and spectrum utilisation efficiency. - Heejoong Kim; Sang-in Cho (Int. J. Wirel. Mob. Comput., 2015)