Clark Emerson Cohen

Title: **Innovative Contributions of Clark Emerson Cohen in Satellite Navigation Systems**

Introduction

Clark Emerson Cohen, based in Washington, DC, is a distinguished inventor known for his substantial contributions to the field of satellite navigation. With a remarkable total of 26 patents, Cohen has been at the forefront of innovations that enhance the accuracy and reliability of Position, Navigation, and Timing (PNT) systems, particularly in the context of Global Navigation Satellite Systems (GNSS).

Latest Patents

Among his notable patents is the "Performance and Cost Global Navigation Satellite System Architecture." This patent introduces significant, cost-effective improvements for PNT on a global basis, with a focus on enhancing the performance metrics of GNSS, like the Global Positioning System (GPS). The innovation emphasizes improved accuracy, integrity, response time, interference rejection, and spoofing protection. It utilizes a constellation of small satellites that employ a low-cost architecture paired with advanced signal processing techniques. This solution is particularly relevant as modern air traffic management increasingly relies on satellite-based positioning, offering improved safeguards against interference for aviation users. Furthermore, in the realm of intelligent transportation, the capability for reliable lane-level positioning opens doors for advanced applications in connected and autonomous vehicles. Military applications also benefit from increased PNT availability through this innovation.

Another of Cohen's essential inventions is the "System and Method for Continuous Carrier Wave Reconstruction." This technology focuses on a radio navigation receiver that can maintain phase lock on incoming signals, even in the event of temporary loss of phase lock. By employing a model of the phase, the system reconstructs the carrier signal from both first and second phase information, thus ensuring continuous and reliable navigation capabilities.

Career Highlights

Cohen’s professional journey has seen him work with esteemed institutions, including The Boeing Company and Leland Stanford Junior University. His role at these organizations has empowered him to drive impactful innovations that address both civilian and military navigation needs.

Collaborations

During his career, Cohen has collaborated with talented individuals such as David Arthur Whelan and Gregory M. Gutt. These partnerships have undoubtedly influenced his approach to invention, fostering a rich environment of innovative thought and collaborative problem solving.

Conclusion

Clark Emerson Cohen's extensive body of work showcases his dedication and expertise in the realm of navigation technology. His patents not only reflect his innovation in satellite systems but also contribute to the future of intelligent transportation and air traffic management. As technology continues to evolve, Cohen’s contributions will play a significant role in shaping the landscape of navigation solutions worldwide.