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)

Preliminary Design for Development of Detachable Test Automation System Based on AUTOSAR. - Songhee Lee; Junho Kwak; Jeonghun Cho 001 (ICAIIC, 2023)