Implementation of Software-Defined Antenna and Radio Test System for Congested Spectral Environments
Research in Software Defined Radio (SDR) is often focused on the software aspects related to digital signal processing for agile radios. However, the front-end hardware plays a significant role in the overall performance of SDR networks. In dynamic and adaptive radio systems, static antenna design can greatly limit the system’s performance potential. Reconfigurable narrowband antennas offer an opportunity to enable fullsystem software control with the ability to jointly configure the software-based signal processing chain along with the configuration of the frontend antenna. In this article, we present initial work towards the development of a GNURadiobased test system for SDR and reconfigurable antennas. Furthermore, we introduce our opensource GitHub repository, gr-recon, which provides example scenarios for use of the New Scale Pathways software tool to remotely configure distributed GNURadio flowgraphs and front-end reconfigurable antenna hardware.
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