Pattern reconfigurable dielectric resonator antenna using parasitic feed elements for lte femtocell base stations

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

An initial cuboid shape dielectric resonator antenna is made from a ceramic compound with a high dielectric constant of 30. A feeding mechanism that consists of a coaxial probe in the middle of the antenna is installed underneath, Parasitic feed elements are used to guide the flow of the surface current into the desired direction. Each parasitic feed possesses a switch to control the surface current flow and obtain a reconfigurable pattern. The impedance bandwidth of the proposed antenna is 320 MHz from 2.45–2.72 GHz with a total efficiency exceeding 96%, which is suitable for long-term evolution (LTE) of bands 7 (2,500–2,570 MHz, 2,620–2,690 MHz) and 38 (2.57–2.62 GHz) femtocell base stations. The proposed antenna is fabricated, and results indicate satisfactory agreement between simulated and fabricated antennas.

Original languageEnglish
Pages (from-to)242-246
Number of pages5
JournalJournal of Communications
Volume13
Issue number5
DOIs
Publication statusPublished - 1 May 2018

Fingerprint

Femtocell
Dielectric resonators
Antenna feeders
Base stations
Antennas
Long Term Evolution (LTE)
Permittivity
Switches
Bandwidth

Keywords

  • Dielectric resonator antenna
  • Femtocell base stations
  • LTE
  • Pattern reconfigurable

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

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abstract = "An initial cuboid shape dielectric resonator antenna is made from a ceramic compound with a high dielectric constant of 30. A feeding mechanism that consists of a coaxial probe in the middle of the antenna is installed underneath, Parasitic feed elements are used to guide the flow of the surface current into the desired direction. Each parasitic feed possesses a switch to control the surface current flow and obtain a reconfigurable pattern. The impedance bandwidth of the proposed antenna is 320 MHz from 2.45–2.72 GHz with a total efficiency exceeding 96{\%}, which is suitable for long-term evolution (LTE) of bands 7 (2,500–2,570 MHz, 2,620–2,690 MHz) and 38 (2.57–2.62 GHz) femtocell base stations. The proposed antenna is fabricated, and results indicate satisfactory agreement between simulated and fabricated antennas.",
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AU - Islam, Mohammad Tariqul

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N2 - An initial cuboid shape dielectric resonator antenna is made from a ceramic compound with a high dielectric constant of 30. A feeding mechanism that consists of a coaxial probe in the middle of the antenna is installed underneath, Parasitic feed elements are used to guide the flow of the surface current into the desired direction. Each parasitic feed possesses a switch to control the surface current flow and obtain a reconfigurable pattern. The impedance bandwidth of the proposed antenna is 320 MHz from 2.45–2.72 GHz with a total efficiency exceeding 96%, which is suitable for long-term evolution (LTE) of bands 7 (2,500–2,570 MHz, 2,620–2,690 MHz) and 38 (2.57–2.62 GHz) femtocell base stations. The proposed antenna is fabricated, and results indicate satisfactory agreement between simulated and fabricated antennas.

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