High-Integrity P(Y)-Code Receiver (HIPR) for Precision Approach and Landing of Military Aircraft

Mayflower proposes to develop an innovative suite of algorithms and signal processing enhancements for use on SAASM P(Y)-code GPS receiver so as to meet the near-Category I approach and landing requirements of accuracy, integrity, continuity, and availability (high assurance) for precision approach and landing of military aircraft at civil airfields. The proposed software suite implemented in the aircraft SAASM GPS receiver will enable landing of the military aircraft using the enhanced P(Y)-code SAASM receiver at military as well as civil airfields. The proposed solution a receiver augmentation - does not depend upon any signals from ground-based augmentation system (GBAS) or space-based augmentation system (SBAS) to meet the precision approach and landing requirement. We have identified an integrity architecture called RRAIM-Extended ARAIM (ERAIM), which will form the basis for algorithm development. Mayflower"s primary focus will be on incorporating the proposed enhancements with software-only upgrades to the aircraft SAASM receiver. In a Phase II program, Mayflower will plan to implement the enhancements in software on our own NavAssure family of SAASM receiver products and fully evaluate this enhanced capability against the requirement. The receiver enhancement software will be transitioned and made available for upgrading the onboard aircraft SAASM receiver for commercialization of the SBIR technology.