Assimilating GNSS Signals to Improve Accuracy, Robustness, and Resistance to Signal Interference

摘要: A method for upgrading GNSS equipment to improve position, velocity and time (PVT) accuracy, increase PVT robustness in weak-signal or jammed environments protect against counterfeit signals (spoofing). Assimilator couples an RF input of existing equipment, e.g., a GPS receiver, extracts navigation timing information from available signals, including non-GNSS direct baseband aiding, inertial system, frequency reference, user. The fuses the diverse embed solution synthesized provided receiver input. code carrier phases are aligned with those actual appear same at target protects spoofing by continuously scanning incoming signs spoofing, mitigating effects signals.