Satellite and local system position determination
Satellite and local system position determination
Secure wireless user localization scheme using transmission...
Security monitoring and tracking system
Security system
Self-calibrated path loss position estimation and zone of...
Self-calibrated path loss position estimation and zone of...
Self-calibrating reference terminal
Self-surveying wideband ground transmitters
Signal collection system for a wireless location system
Simple passive/active proximity warning system
Simultaneous localization and RF modeling
Single antenna direction-finding system
Single receiver wireless tracking system
Single receiver wireless tracking system
Single station communications localization system
Single station communications localization system
Spacecraft velocity measurement system
Spread spectrum position determination, ranging and communicatio
State entry beacon system