A Novel Wideband End-Fire Conformal Antenna Array Mounted on a Dielectric Cone
Keywords:
Conformal, Koch fractal, log-periodic antenna, widebandAbstract
In this paper, a novel log-periodic antenna named quasi-second order Koch fractal log-periodic dipole array (QLPK2DA) is presented for the conformal applications. The proposed antenna array shows wider operating bandwidth and small physical profile. In addition, the radiation characteristics of the proposed antenna array mounted on a dielectric cone are investigated. Results show that the cone curvature has an influence on the performance of the conformal antenna, both in terms of its bandwidth and radiation patterns. The thickness and permittivity of the dielectric cone have an effect on the bandwidth of the conformal antenna. The measured results show that the antenna has a wide band ranging from 2 GHz to 10 GHz and shows a typical endfire radiation beam. Measurement results of both single antenna and conformal antenna array show a good agreement with simulated values.
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