Abstract
AbstractA compact multiband antenna with composite right‐ and left‐handed transmission line (CRLH‐TL) zeroth‐order resonator for wireless universal serial bus dongle applications is proposed in this article. The proposed antenna occupying a small volume of 12 × 28 × 5.8 mm3 comprises a folded monopole which can generate two resonant modes to cover the GSM850/900 (820–960 MHz) and the LTE2500 operation (2500–2690 MHz) and a CRLH‐TL ZOR structure which is capacitively excited by the folded monopole to generate zeroth‐order resonant mode to cover LTE700 (746–787 MHz). The proposed antenna offers nearly omnidirectional radiation patterns, the measured peak gain are obtained from 0.8 to 3.4 dBi, and measured antenna efficiency varies from about 40–56% in the whole operation band. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1133–1138, 2014
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