Design methodology of single-feed compact near-isotropic antenna design

Zhen Su, Farhan A. Ghaffar, Muhammad Fahad Farooqui, Rana Muhammad Bilal, Atif Shamim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

The abundance of mobile wireless devices is giving rise to a new paradigm known as Internet of Things. In this paradigm, wireless devices will be everywhere and communicating with each other. Since they will be oriented randomly in the environment, they should be able to communicate equally in all directions in order to have stable communication link. Hence, compact near isotropic antennas are required, which can enable orientation insensitive communication. In this paper, we propose a simple design methodology to design a compact near-isotropic wire antenna based on equal vector potentials. As a proof of concept, a quarter wavelength monopole antennas has been designed that is wrapped on a 3D-printed box keeping the vector potentials in three orthogonal different directions equal. By optimizing the dimension of the antenna arms, a nearly isotropic radiation pattern is thus achieved. The results show that the antenna has a maximum gain of 2.2dBi at 900 MHz with gain derivation of 9.4dB.
Original languageEnglish (US)
Title of host publication2017 11th European Conference on Antennas and Propagation (EUCAP)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages3559-3562
Number of pages4
ISBN (Print)9788890701870
DOIs
StatePublished - Jun 7 2017

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