In this letter, a reconfigurable dual-polarized broadband antenna with beam-steering capabilities using a parasitic layer is proposed for 5G New Radio (NR) Frequency Range 1 (FR-1) applications.The antenna is a dual-port aperture-stacked patch structure with symmetrical orthogonal (horizontal and vertical) currents.The beam-steering is achieved by a pair of reconfigurable cross-shaped parasitic strips which bestow the antenna three main beam directions θ = {∼ -25 • , 0 • , ∼ 25 • }, φ = {0 • }, with pointing and gain ( 7 dB) stability across a 30% impedance bandwidth (S11 & S22 < -10 dB) from 3.2 -4.3 GHz for both ports/polarizations.A prototype of the antenna is manufactured and measured demonstrating results in accordance with simulation expectations.
Tópico:
Antenna Design and Analysis
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15
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FuenteIEEE Antennas and Wireless Propagation Letters