Vol. 101

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2020-04-22

High-Gain and Circularly Polarized Fractal Antenna Array for Dedicated Short Range Communication Systems

By Deven G. Patanvariya, Anirban Chatterjee, and Kalyan Sundar Kola
Progress In Electromagnetics Research C, Vol. 101, 133-146, 2020
doi:10.2528/PIERC20020706

Abstract

In this paper, a low-profile fractal antenna and its array for DSRC-band applications have been proposed. The proposed single element is a newly designed fractal antenna which is right-handed circularly polarized (RHCP) and derived from the Koch-snowflake 1st-iteration. Moreover, a diagonal slot defect in the ground plane has been implemented for resonating the structure at the desired frequency and, to get a low cross-polarization over the operating frequency. The compact feed-network of the array is designed using s Wilkinson power-divider. A single element and a 4 × 1 antenna array are designed, prototyped and verified. The antenna array is designed by a single-layer microstrip structure with a compact size of 151.70 × 43.50 mm2. According to the experimental results, the single element and the antenna array have S11 of -15.27 dB and -13.95 dB, and RHCP gain of 6.14 dBic and 11.98 dBic, respectively. Moreover, the computed radiation efficiencies of single element and array are 78.17% and 71.50%, respectively, while CP bandwidths of single element and array are 49.00 MHz and 58.00 MHz, respectively. The performance of the proposed RHCP antenna is suitable for the DSRC-band application.

Citation


Deven G. Patanvariya, Anirban Chatterjee, and Kalyan Sundar Kola, "High-Gain and Circularly Polarized Fractal Antenna Array for Dedicated Short Range Communication Systems," Progress In Electromagnetics Research C, Vol. 101, 133-146, 2020.
doi:10.2528/PIERC20020706
http://jpier.org/PIERC/pier.php?paper=20020706

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