M.H. Mickle,∗ M. Mi,∗∗ C.C. Capelli,∗∗∗ H. Swift,∗∗∗∗ J.T. Cain,∗ and D.W. Sammel∗∗∗∗∗
Energy harvesting, antennas, impedance matching
Miniature electronic devices remotely powered by radio frequency energy have become very popular for applications such as radio frequency identification tags. Power is received using a small antenna. Close proximity of antenna, load and related circuitry present new design challenges for optimum devices in terms of energy harvested. The optimum design requires a model for the antenna and proximate circuitry. This paper presents an overall model for the antenna and the circuitry sharing the same local radio frequency energy field. The model is based on a classical dipole antenna. The control for the empirical validation relies on longstanding analytical results as a basis for comparison. Research results clearly demonstrate the validity of the model.
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