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Broadband circularly polarized antenna for mobile application on low cost FR-4 material

T. ALAM1,* , M. R. I. FARUQUE1, M. T. ISLAM2

Affiliation

  1. Space Science Centre (ANGKASA), Universiti Kebangsaan Malaysia, 43600UKM, Bangi, Selangor, Malaysia
  2. Department of Electrical, Electronic & System Engineering, Universiti Kebangsaan Malaysia, 43600UKM, Bangi, Selangor, Malaysia

Abstract

A broadband CP antenna for wireless communication is presented and experimentally investigated in this communication. The proposed antenna consists of a triangle shape radiator connected with 50Ω microstrip feed line. The antenna has achieved measured impedance bandwidth of 1.03 GHz (1.68-2.71 GHz) and 1.43 GHz (3.27-4.7 GHz) with 3dB axial bandwidth of 230 MHz (2.51-2.74 GHz). The electric dimension of the proposed antenna is 0.26λ × 0.21λ × 0.01λ, at lower frequency. Moreover, the antenna has shown a stable radiation pattern with good antenna performances. The performance has been studied with different substrate materials. In addition, the Specific Absorption Rate (SAR) analysis has been investigated for the proposed antenna..

Keywords

Antenna, Broadband, Circular polarization, Wireless communication.

Citation

T. ALAM, M. R. I. FARUQUE, M. T. ISLAM, Broadband circularly polarized antenna for mobile application on low cost FR-4 material, Optoelectronics and Advanced Materials - Rapid Communications, 9, 5-6, May-June 2015, pp.663-667 (2015).

Submitted at: March 13, 2015

Accepted at: May 7, 2015