A Novel Compact Printed Rectenna for Communication Systems

A novel printed microstrip rectenna for communication systems is presented in this paper. An aperture-coupled dual polarization patch is utilized as the receiving antenna. The vertical feed port receives the microwave and transfers it to the rectifying circuit for dc power generation while the horizontal feed port is used for data communication with high isolation between the two ports. This patch antenna has harmonic suppression function, which is essential for high microwave - direct current (mw-dc) conversion efficiency. A co-simulation method using HFSS and ADS for the analysis of the rectenna and the rectifying circuit design is applied. The input power for the rectifying circuit is limited to 10mW, such that the security standards of low power density are easily achievable.

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