Spectrum Sharing Radar: Coexistence via Xampling

TL;DR

This paper introduces a spectrum sharing method that allows a surveillance radar and communication systems to operate interference-free over the same spectrum using a cognitive, Xampling-based receiver.

Contribution

It combines and adapts cognitive radio and cognitive radar concepts with Xampling technology to enable efficient spectrum sharing.

Findings

Low sampling rate spectrum sensing achieved

Interference-free coexistence demonstrated

Effective narrow band transmission in shared spectrum

Abstract

This paper presents a spectrum sharing technology enabling interference-free operation of a surveillance radar and communication transmissions over a common spectrum. A cognitive radio receiver senses the spectrum using low sampling and processing rates. The radar is a cognitive system that employs a Xampling-based receiver and transmits in several narrow bands. Our main contribution is the alliance of two previous ideas, CRo and cognitive radar (CRr), and their adaptation to solve the spectrum sharing problem.