| |
| 2007 | ||
|---|---|---|
| 2 | EE | Shinyoung Yi, Jiyoung Yi, Hojung Cha: Tracking multiple mobile objects using IEEE 802.15.4-based ultrasonic sensor devices. SAC 2007: 1638-1639 |
| 2006 | ||
| 1 | EE | Shinyoung Yi, Hojung Cha: An Active Tracking System Using IEEE 802.15.4-Based Ultrasonic Sensor Devices. EUC Workshops 2006: 485-494 |
| 1 | Hojung Cha | [1] [2] |
| 2 | Jiyoung Yi | [2] |