Bandwidth enhancement of compact monopole antenna with triple band rejections | Zendy

Li Tong | Zendy; Zhu Cheng | Zendy; Cao Xiangyu | Zendy; Gao Jun | Zendy

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Bandwidth enhancement of compact monopole antenna with triple band rejections

Author(s) -

Li Tong,

Zhu Cheng,

Cao Xiangyu,

Gao Jun

Publication year - 2016

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2015.2301

Subject(s) - bandwidth (computing) , monopole antenna , physics , electrical engineering , electronic engineering , antenna (radio) , computer science , telecommunications , engineering

A compact monopole antenna with enhanced bandwidth and triple band rejections for ultra‐wideband applications is presented. The base of the proposed antenna is a semicircular patch which is fed by a modified tapered coplanar waveguide line. By using the trident‐shaped feed line, much wider impedance bandwidth is obtained. To avoid potential interferences, two trapezoid stubs and a C‐shaped stub are printed on the back surface of the substrate and are connected to the antenna through three vias. The proposed antenna is practically fabricated with a compact size of 20 × 24 mm 2 . Good agreement is achieved between the simulation and measurement, which shows that the proposed antenna offers a very wide bandwidth from 3.02 to 20.8 GHz (149%) with triple band rejections covering the 3.5 GHz WiMAX and 5.2/5.8 GHz WLAN bands.

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