A Theoretical and Simulation Study of Dielectrically Loaded Antennas and their Contribution Towards Low-SAR

Current requirements in handset antenna design include high efficiency, small size, low-SAR and a broad bandwidth. In the theoretical part of this study, a spherical analytical model is used to examine these parameters in terms of different mix ratios of permittivity and permeability. A TLM simulation software package is used to model dielectric resonators and predict their efficiency. Results suggest that an optimum permittivity and permeability mix gives rise to the definitive low-SAR antenna whilst maintaining a high efficiency.