In this paper, a rectangular dielectric resonator antenna for wireless local area network application is presented. By using a single DRA block, multiple modes can be generated by introducing a notch on the DRA thus producing multiple frequencies. The proposed rectangular DRA with a notch is made up from high permittivity (ε r =30) Eccostcok HiK material which can operate at 2.45GHz, 5.2GHz and 5.8GHz. The antenna has been fabricated and tested. A good measurement and simulation results in term of reflection coefficient and radiation pattern are achieved.
This paper presents the design of coplanar waveguide (CPW) rectangular dielectric resonator antenna (RDRA) with and without metallic strip, operating at 2.6 GHz for long term evolution (LTE) applications. The CPW RDRA without metallic strip produces impedance bandwidth of 51 %. Then, a metallic strip was added on top of the dielectric resonator (DR) in order to enhance the impedance bandwidth; thus give more flexibility for the system to cover more applications. A good agreement between simulation and measurement results, in terms of reflection coefficient magnitude and radiation pattern is presented. The simulated and measured impedance BWs for S11 < -6dB are 67 % (1.74-3.47 GHz) and 66 % (1.83-3.54 GHZ) respectively, with the gain of 3.12 dBi is obtained at 2.6 GHz. The mode excited for this antenna is TEy1δ1 mode.
A F-shaped DRA at 2.6 GHZ for 4G/LTE application is presented in this paper. The F-shaped DRA was mounted on FR4 as a substrate. The simulated and measured impedance bandwidth are 20% (2.43-2.94GHz) and 36% (2.04-2.98GHz), respectively. The mode excited in this design is TEy1δ1 mode. The antenna provides gain of 1.99 dBi at frequency 2.6 GHz. The proposed antenna was analyzing and optimizing using CST Microwave Studio Software. The reasonable agreement between the measured and simulated results is observed.
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