volume | PIER Journals

Abstract

A single-layered monopole wideband combinational reconfigurable antenna for 4G and 5G applications is presented in this paper. Coplanar waveguide (CPW) feeding method is utilized to get single-layered structure. The three characteristics of this antenna are reconfigurable: frequency, polalization, and radiation pattern. This antenna consists of a parasitic element attached to a rectangular ring antenna. An RF-PIN diode is used to connect this parasitic element to the loop antenna. Additionally, two parasitic elements are connected to the ground plane of the proposed antenna via a pair of RF-PIN diodes. The suggested antenna functions in seven distinct states with the use of these three RF-PIN diodes. The suggested antenna operates at frequencies of 3.24-3.52 GHz, 2.78-2.94 GHz, and 2.54-2.9 GHz with an omnidirectional radiation pattern in states 1, 2, and 5. In states 3 and 4, it has an end-fire radiation pattern in the left and right directions of the proposed antenna, covering a wide frequency band of 2.47-3.57 GHz. Lastly, the suggested antenna operates in dual bands at frequencies of 2.49–2.9 GHz and 3.6-3.76 GHz in states 6 and 7. It offers reconfigurability of polarization at the higher band. The suggested antenna is made of glass epoxy FR-4. For verification of the suggested antenna, the prototype is designed and tested. The simulated and experimental results agree quite well.

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Ms. Sweta Agarwal

Dr. Akanksha Singh

Dr. Manoj Kumar Meshram