“A Low-cost Pedestrian Navigation System in a Signal Degraded Environment Nov 1, 2011· Younsil Kim Am Cho Changdon Kee · 0 min read Last updated on Nov 1, 2011 Authors Younsil Kim Ph.D Authors Am Cho Ph.D Authors Changdon Kee Professor ← 한국형 광역보정시스템 테스트베드 가용성 성능 분석 Nov 3, 2011 “Cycle Slip Detection Algorithm by Integrating Vehicle and Inertial Sensors for Land Vehicle Users Nov 1, 2011 →