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The implementation of a polycrystalline silicon solar cell as a microwave groundplane in a low-profile, reduced-footprint microstrip patch antenna design for autonomous communication applications is reported. The effects on the antenna/solar performances due to the integration, different electrical conductivities in the silicon layer and variation in incident light intensity are investigated. The antenna sensitivity to the orientation of the anisotropic solar cell geometry is discussed.
Shynu, S., Roo Ons, M., Ammann, M., McCormack, S., Norton, B.: Integration of Microstrip Patch Antennas with Polycrystalline Silicon Solar Cells. IEEE Transactions on Antennas and Propagation, 37, 12, 3969-3922. 2009