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Next generation microwave communications systems face several challenges,particularly from congested communications frequencies and complex propagationenvironments. Taking inspiration from the Yagi-Uda antenna, we present, andexperimentally test, a framework based on the coupled dipole approximation fordesigning structures composed of a single simple emitter with a passivedisordered scattering structure of rods that is optimised to provide a desiredradiation pattern. Our numerical method provides an efficient way to model, andthen design and test, otherwise inaccessibly large scattering systems.

Generalising the Yagi-Uda Antenna: Designing Disordered Metamaterials to Manipulate Antenna Radiation