Directional Monopole using Holographic Surfaces with Reduced Sidelobe Level

Yerrola, Anil Kumar; Arya, Ravi Kumar; Ali, Maifuz; Murmu, Lakhindar

doi:10.23919/ursigass51995.2021.9560429

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“…3 that the grid of 5 × 5AMC unit cells is placed under the monopole antenna. It is well known that the superstrate can be used to increase the gain of the antenna [24,25,26,27]. Mostly, the superstrate used for enhancing the design is either in the form of uniform pixels or pixels whose size changes radially out from the center of the superstrate.…”

Section: (C) Design Of Composite Cpw Fed Monopole Antenna With Amc An...mentioning

confidence: 99%

Metasurface Superstrate Beam Steering Antenna with AMC for 5G/WiMAX/WLAN Applications

Verma

Arya

Raghava

2022

Wireless Pers Commun

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A beam-steering antenna based on non-uniform metasurface superstrate and AMC, operating at 3.5 GHz, is presented. The antenna can steer the beam along θ = -18° and 18° with the superstrate and along θ = 0°i n the absence of the superstrate with almost zero scan loss. Antenna structure consists of a top layer of non-uniform metasurface superstrate made of a 20 × 20 grid of electrically-small square-shaped metallic pixels while the bottom part consists of AMC with a grid of 5 × 5 pixels. The radiating element, CPW-fed monopole antenna, is placed between AMC and superstrate. The fabricated prototype shows desired beam steering in directions of θ = -18°, 0°, and 18° while maintaining uniform realized gain of 5.5 dB and matches well with simulations.

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Section: (C) Design Of Composite Cpw Fed Monopole Antenna With Amc An...mentioning

confidence: 99%