Using IM and SMS for emergency text communications. - Wonsang Song; Jong-Yul Kim; Henning Schulzrinne; Piotr Boni; Michael Armstrong (IPTComm, 2009)

Polygon Simplification for Location-Based Services Using Population Density. - Wonsang Song; Jae Woo Lee; Henning Schulzrinne (ICC, 2011)

MOSAIC: Stateless mobility for HTTP-based applications. - Wonsang Song; Georg K. Hampel; Anil Rana; Thierry Klein; Henning Schulzrinne (WiMob, 2012)

Finding 9-1-1 callers in tall buildings. - Wonsang Song; Jae Woo Lee; Byung Suk Lee; Henning Schulzrinne (WoWMoM, 2014)

Next Generation Emergency Call System with Enhanced Indoor Positioning. - Wonsang Song (2014)