MINIATURIZATION OF MICROSTRIP YAGI ARRAY ANTENNA USING METAMATERIAL
Author(s) -
Rhitam Datta,
Tarakeswar Shaw,
Debasis Mitra
Publication year - 2017
Publication title -
progress in electromagnetics research c
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 34
ISSN - 1937-8718
DOI - 10.2528/pierc16122102
Subject(s) - miniaturization , metamaterial , microstrip antenna , metamaterial antenna , antenna (radio) , optoelectronics , microstrip , materials science , physics , optics , coaxial antenna , electrical engineering , engineering , nanotechnology
An approach of miniaturizing planar Yagi array using metamaterial is presented in this paper. In this methodology, metamaterial structures are incorporated in the antenna in place of directors. An investigation in reflection and radiation characteristics of the antennas is done, and the findings are presented. The metamaterial loaded antenna shows improved directivity and efficiency of 16.3% and 2.95% with respect to the microstrip Yagi antenna while achieving a noticeable size miniaturization of 33.3%. Also, a better matching, compared to Yagi antenna, is observed in this proposed design. The fabrication and measurement of metamaterial loaded structure have been performed. The measured result shows an acceptable extent of agreement with the simulated ones.
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