The National Science Foundation Division of Electrical, Communications and Cyber Systems awarded Northeastern University a $749,965 Project Grant under the Engineering (47.041) federal grant program. The grant will support the development of a cross-layer design platform to advance radio frequency coexistence through adaptive frequency-selective devices and digital algorithms. Specifically, the university will create new microelectromechanical system frequency selective limiters integrated with complementary metal-oxide-semiconductor circuits to intrinsically distinguish and attenuate interference in crowded spectral environments. In addition, the project will develop digital coexistence algorithms and an adaptive analog front end to strategically tune the limiters and receiver circuits for optimal communication quality across wireless system layers. A reconfigurable field-programmable gate array prototyping platform will apply the algorithms to Bluetooth Low Energy, Zigbee and Wi-Fi signals. The research aims to lay the foundation for enhanced radio systems with real-time tuning capabilities for higher interference tolerance.
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