This MobileIn Mobile Positioning tutorial covers the technologies that can be used to locate a mobile phone within the network.
Network-Based:
- SS7
- network based PDE
- angle of arrival (AOA)
- time of arrival (TOA, TDOA, U-TDOA)
- radio propagation techniques
- hybrid methods
Handset-Based:
- SIM toolkit
- enhanced observed time difference (E-OTD)
- global positioning system (GPS)