PRS Based Microstrip Antenna for Beam Steering Applications
In this paper, the authors propose a technique which improves directivity and control of beam-steering by including metamaterial surfaces onto microstrip patch antenna superstrate used for wireless communication applications. Metamaterials are designed with Artificial Magnetic Conductor (AMC), inductive and capacitive planar structures. These structures allow obtaining Partially Reflective Surfaces (PRSs). The antenna used is a rectangular microstrip patch which operates nearly at a frequency of 11.92GHz. The PRS reflector used for the design of the steerable directive beam antenna consists of a periodic array of copper strips.
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