This Ph.D. has directed university research efforts in navigation and surveillance for over twenty years, with a specialization in GPS receiver architecture developments.  In 1994 he founded a company that develops advanced GPS software and hardware for civilian and military markets.  The innovative navigation and tracking capabilities, significantly improve the accuracy, performance, and flexibility of complex GPS/INS systems in difficult operating environments.  He was a faculty fellow with both NASA and the National Transportation Systems Center.  He also served on the National Academy of Engineering Panel on the future of GPS, where he focused on GPS enhancements for the military.  Over the last twenty years he has carried out a variety of studies for government and industry in navigation, surveillance and multiple access communications, and has published numerous papers and holds a number of patents. 

• Beacon tracking systems
• GPS Advanced Signal Processing
• GPS and Inertial Sensor Integration
• GPS Applications: Land, Marine, Aviation
• GPS System Architectures
• Spread spectrum communications systems
• Wireless Aided GPS

• Ph.D.  Thesis: "Design and Synthesis of Signals Utilizing a Magnitude Response Criterion and Time-Frequency Shifted Basis."
• M.S., Electrical Engineering
• B.S., Electrical Engineering

Expert Witness Services:

• Technical Consultant