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Article Dans Une Revue JOURNAL OF HIGH-FREQUENCY COMMUNICATION TECHNOLOGIES Année : 2024

Design on CPW Quasi Dipole Meandered Printed Antenna for Cognitive Radio Applications

Résumé

In this proposed paper, CPW-fed meandered printed antenna is designed and investigated for cognitive radio application. The suggested antenna is developed using two different substrates for varying the electrical properties. The first design is developed using an FR4 substrate and the second design is developed using jean material. Investigations are done on the design for wide bandwidth response for effective cognitive radio communication. The antennas are made to resonate at 2.45 GHz. The main focus in the proposed design is to achieve compactness and wider bandwidth. The proposed antenna is excited using coplanar waveguide (CPW) structure to reduce the antenna size and spurious radiations near the feed line. Two quarter-wavelength resonators with two separate current routes are part of the proposed antenna’s structure. It may therefore function in the WiMAX and WLAN (wireless local area network) frequency ranges. By adjusting the length of the appropriate resonators, the operational bands’ center frequencies can be separately controlled. The proposed antennas are designed and simulated for its resonance condition. A parametric study is done to identify the arm length of the proposed antenna for its appropriate resonance. Based on the suitable arm length, the antenna is designed and optimized for effective size reduction. The fabricated antenna module is integrated in the software defined radio (SDR) device for the real-time measurements. The footprint of the antenna is 48.5 mm × 25 mm. Both the simulated and measured results are in good concurrence.
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hal-04594068 , version 1 (30-05-2024)

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B Bhuvaneswari, V Aruna, R Monisha, E Pooja. Design on CPW Quasi Dipole Meandered Printed Antenna for Cognitive Radio Applications. JOURNAL OF HIGH-FREQUENCY COMMUNICATION TECHNOLOGIES, 2024, 2 (02), pp.140-152. ⟨10.58399/AJPG4759⟩. ⟨hal-04594068⟩
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