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2013-03-08
A Novel Broadband Asymmetric Coplanar Waveguide (Acpw)-Fed Zeroth-Order Resonator Antenna Based on Epsilon Negative Transmission Line
By
Progress In Electromagnetics Research Letters, Vol. 38, 79-88, 2013
Abstract
A broadband zeroth-order resonant (ZOR) antenna based on asymmetric coplanar waveguide (ACPW) is presented. By adopting the epsilon negative transmission line (ENG-TL), a zeroth-order resonance mode can be achieved. We propose an asymmetric coplanar waveguide structure which offers the design freedom to realize the broadband ZOR antenna, where the antenna's bandwidth is characterized by an equivalent circuit parameters. The antenna has the compact unit cell dimensions of 5×13.8 mm2. The measured results show that the operating bandwidth is about 1050 MHz (1.90-2.95 GHz), and the peak gain and radiation efficiency are 2.46 dBi and 91% at 2.3 GHz. Owing to the characteristics of broad bandwidth, high efficiency, omnidirectional radiation, and easy manufacturing, the proposed ACPW ZOR antenna is very suitable for modern wireless communication systems (UMTS, WLAN, WIMAX, LTE).
Citation
Bingjian Niu, and Quanyuan Feng, "A Novel Broadband Asymmetric Coplanar Waveguide (Acpw)-Fed Zeroth-Order Resonator Antenna Based on Epsilon Negative Transmission Line," Progress In Electromagnetics Research Letters, Vol. 38, 79-88, 2013.
doi:10.2528/PIERL13012701
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