Journal
INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES
Volume 7, Issue 5, Pages 579-587Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1759078714000877
Keywords
Material selection; Ashby's approach; Microstrip patch antenna; Wireless communication; Dielectric materials
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In this paper, material selection has been done for dielectric substrate material in microstrip patch antenna (MPA) for three distinct classes of wireless communication applications using Ashby's approach. This material selection procedure is based on the creation and evaluation of Ashby's chart of different material indices. These material indices in turn affect the device performance indices, which decide the best possible dielectric material to be used as substrate for MPAs. In this work, quality factor, relative permittivity, and temperature coefficient of resonant frequency are chosen as material indices of MPA's dielectric substrate to get relevant performances. Ashby's selection chart shows that 0.75MgAl(2)O(4)-0.25TiO(2) material for millimeter waves applications, Ca[(L1/3Nb2/3)0.85Ti(0.15)]O3-delta for mobile base station applications, and (Ba0.95Ca0.05)-OSm2O3-4.5TiO(2) ceramic for mobile phone miniaturization applications are the promising materials that allows best overall performance in MPAs for wireless communication.
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