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A small ACS-fed tri-band antenna employing C and L shaped radiating branches for LTE/WLAN/WiMAX/ITU wireless communication applications

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Abstract

A compact asymmetric coplanar strip (ACS)-fed monopole antenna with tri-band operation for LTE 2500, 2.4/5.2 GHz WLAN, 2.5 GHz WiMAX, 8 GHz ITU applications is presented in this paper. The proposed antenna design, which occupies an overall size of 14 × 26 mm2 including ground plane, is composed of an ACS feedline with rectangular stub, C-shaped and L-shaped branches. The C-shaped radiating element is used to generate 2.5 GHz first resonant mode, L-shaped branch is used to generate second resonant mode at 5.2 GHz and ACS with rectangular shaped stub is aimed to generate a third resonance at higher frequency bands between 7.0 and 8.8 GHz.The measured impedance bandwidths (|S11| ≤ −10 dB) are about 285 MHz (2.4–2.685 GHz), 380 MHz (5.0–5.38 GHz) and 3.5 GHz (6.5–10.0 GHz) for the three operating band, respectively. The experimental result shows a reasonable good agreement with the simulated results.

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Authors and Affiliations

  1. Centre for Radio Science Studies, Symbiosis International University, Lavale, Pune, 412115, India

    Praveen V. Naidu & Akshay Malhotra

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  1. Praveen V. Naidu
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  2. Akshay Malhotra
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Correspondence to Praveen V. Naidu.

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Naidu, P.V., Malhotra, A. A small ACS-fed tri-band antenna employing C and L shaped radiating branches for LTE/WLAN/WiMAX/ITU wireless communication applications. Analog Integr Circ Sig Process 85, 489–496 (2015). https://doi.org/10.1007/s10470-015-0637-5

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  • DOI: https://doi.org/10.1007/s10470-015-0637-5

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