Acoustic Sensor Network-Based Parking Lot Surveillance System. - Keewook Na; Yungeun Kim; Hojung Cha (EWSN, 2009)

Locating Acoustic Events Based on Large-Scale Sensor Networks. - Yungeun Kim; Junho Ahn; Hojung Cha (Sensors, 2009)

Smartphone-based Wi-Fi pedestrian-tracking system tolerating the RSS variance problem. - Yungeun Kim; Hyojeong Shin; Hojung Cha (PerCom, 2012)

A GPS sensing strategy for accurate and energy-efficient outdoor-to-indoor handover in seamless localization systems. - Yungeun Kim; Songhee Lee; Seokjoon Lee; Hojung Cha (Mob. Inf. Syst., 2012)

Smartphone-Based Collaborative and Autonomous Radio Fingerprinting. - Yungeun Kim; Yohan Chon; Hojung Cha (IEEE Trans. Syst. Man Cybern. Part C, 2012)

Smartphone-based Wi-Fi tracking system exploiting the RSS peak to overcome the RSS variance problem. - Yungeun Kim; Hyojeong Shin; Yohan Chon; Hojung Cha (Pervasive Mob. Comput., 2013)

Sensing WiFi packets in the air: practicality and implications in urban mobility monitoring. - Yohan Chon; Suyeon Kim; Seungwoo Lee; Dongwon Kim; Yungeun Kim; Hojung Cha (UbiComp, 2014)

Adaptive Duty Cycling for Place-Centric Mobility Monitoring using Zero-Cost Information in Smartphone. - Yohan Chon; Yungeun Kim; Hyojeong Shin; Hojung Cha (IEEE Trans. Mob. Comput., 2014)

Non-obstructive room-level locating system in home environments using activity fingerprints from smartwatch. - Seungwoo Lee; Yungeun Kim; Daye Ahn; Rhan Ha; Kyoungwoo Lee; Hojung Cha (UbiComp, 2015)

Crowdsensing-based Wi-Fi radio map management using a lightweight site survey. - Yungeun Kim; Hyojeong Shin; Yohan Chon; Hojung Cha (Comput. Commun., 2015)

A Participatory Service Platform for Indoor Location-Based Services. - Hyojeong Shin; Yohan Chon; Yungeun Kim; Hojung Cha (IEEE Pervasive Comput., 2015)

MRI: Model-Based Radio Interpolation for Indoor War-Walking. - Hyojeong Shin; Yohan Chon; Yungeun Kim; Hojung Cha (IEEE Trans. Mob. Comput., 2015)

Enhancing WiFi-fingerprinting accuracy using RSS calibration in dual-band environments. - Taehwa Choi; Yohan Chon; Yungeun Kim; Dongwon Kim; Hojung Cha (Pervasive Mob. Comput., 2016)

Mobile Crowdsensing Framework for a Large-Scale Wi-Fi Fingerprinting System. - Yungeun Kim; Yohan Chon; Hojung Cha (IEEE Pervasive Comput., 2016)

Accurate Prediction of Available Battery Time for Mobile Applications. - Dongwon Kim; Yohan Chon; Wonwoo Jung; Yungeun Kim; Hojung Cha (ACM Trans. Embed. Comput. Syst., 2016)

Scalable and consistent radio map management using participatory sensing. - Yungeun Kim; Seokjun Lee; Yohan Chon; Rhan Ha; Hojung Cha (Pervasive Mob. Comput., 2017)