참고문헌
- Enuvis Presentation 자료 The Enuvis Solution
- Global Posetionaing System : Signals, Measurements, and Performance Misra;Enge
- Enuvis Homepage
- Enuvis White Paper UrbanGPS : The Next Generation of GPS
- UrbanGPS Algori-thms for GPS Operation Indoors and Downtown Agarwal(et al.)
- An Introduction to Algori-thms for GPS Operation Indoors and Downtown SnapTrack
- SnapTrack Homepage
- Competitors Benchmarking 김영준
- Cambridge Positioning Systems