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A Method to Reduce the Influence of Coaxial Lines on the Radiation of Printed Dipole Fed by CPW

  • Thi Yuan Sun
  • , Shu Lin
  • , Jia Yi Wang
  • , Alexander Denisov
  • , Cai Tian Yang
  • School of Electronics and Information Engineering, Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In order to reduce the influence of the coaxial feeder on the radiation of the printed dipole and to achieve the similar radiation characteristics to the antenna with ideal external feed, a dipole antenna load with a printed choke sleeve is proposed. The antenna is fed by CPW and coaxial line, a printed choke sleeve is also loaded on it. It is simulated in CST Microwave Studio software@. Simulation results show that one of the operating frequency band of the antenna is 1.72 GHz-1.92 GHz with its reflection coefficient less than -10 dB, which is similar with the ideal external feed antenna. By comparing the simulation results of antenna with and without the choke, we can find that the antenna's reflection coefficient and gain pattern are greatly improved. It can be used to improve the current balance of printed dipole fed by CPW, and this method has great reference value for solving other problems concerning the current balance of antennas.

Original languageEnglish
Title of host publicationISAP 2018 - 2018 International Symposium on Antennas and Propagation
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9788957083048
StatePublished - 2 Jul 2018
Externally publishedYes
Event2018 International Symposium on Antennas and Propagation, ISAP 2018 - Busan, Korea, Republic of
Duration: 23 Oct 201826 Oct 2018

Publication series

NameISAP 2018 - 2018 International Symposium on Antennas and Propagation

Conference

Conference2018 International Symposium on Antennas and Propagation, ISAP 2018
Country/TerritoryKorea, Republic of
CityBusan
Period23/10/1826/10/18

Keywords

  • CPW feed
  • choke
  • current balance
  • printed dipole

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