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A double annular ring slot printed antenna for multifrequency band communications using epoxy resin fiber substrate

MD. SAMSUZZAMAN1,* , MD. SHAHIDUL ALAM1,2, MD. TARIKUL ISLAM1, KAMARULZAMAN BIN MAT1, M. TARIQUL ISLAM1

Affiliation

  1. Center of Advanced Electronic and Communication Engineering, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
  2. School of Information Technology and Electrical Engineering, University of Queensland, Brisbane, Australia

Abstract

This letter presents a new design of a compact multi-frequency band antenna, which is composed of two concentric annular ring slots and a circular patch. The antenna resonates at around 1.48, 2.1, 2.3, 3.85 and 4.6 GHz while its bandwidths cover from 1.41-1.50 GHz, 1.88-2.65 GHz and 3.30-4.85 GHz at S11<-10 dB (VSWR 2:1). It has a compact overall dimension of 0.14λ × 0.186λ and a small partial ground of 0.03λ × 0.14λ, where λ considered at the lowest resonance. With a very simple configuration, the antenna operating range supports multiple wireless applications, covering the PCS/GSM1900 (1850– 1990 MHz), UMTS (1850–1990/ 1920–2170 MHz), ISM/Bluetooth/ZigBee/RFID/WLAN/ Wi-Fi (2400-2485 MHz), WiMAX (3300-3600 MHz), and LTE (1427-1500/ 1850-1990/ 1910-1930/ 1920-2170/ 1900-2620/ 2010-2600/ 2300-2400/ 2500- 2690/ 2570-2620/ 3400-3600/ 3600-3800 MHz) frequency bands. Moreover, the antenna obtained good polarization purity, radiation efficiency and an average peak gain of 4.5 dBi over the bands. For practical validation, the proposed antenna has been prototyped and tested; the measured results agreed very well to the simulations..

Keywords

Multiband antenna, Annular ring, 4G/LTE, GSM.

Submitted at: July 25, 2018
Accepted at: Nov. 29, 2018

Citation

MD. SAMSUZZAMAN, MD. SHAHIDUL ALAM, MD. TARIKUL ISLAM, KAMARULZAMAN BIN MAT, M. TARIQUL ISLAM, A double annular ring slot printed antenna for multifrequency band communications using epoxy resin fiber substrate, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 11-12, pp. 629-633 (2018)