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Design of a compact triband monopole antenna for WLAN and WiMAX applications
Author(s) -
Tang Zhaoyang,
Liu Keyu,
Yin Yingzeng,
Lian Ruina
Publication year - 2015
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.29310
Subject(s) - wimax , monopole antenna , wi fi , microwave , antenna (radio) , electrical engineering , electronic engineering , wireless , physics , engineering , telecommunications , wireless network
A compact triband CPW‐fed monopole antenna for wireless local area network (WLAN) and worldwide interoperability for microwave access (WiMAX) applications is proposed in this letter. The antenna consists of a rectangular ring, a pair of F‐shaped stubs, and a rectangular monopole radiator. By optimizing the designed parameters of these structures, three separate resonant modes are generated to cover the desired bands. A prototype of the proposed antenna with a compact size of 23 × 36 mm 2 is fabricated and tested. Measured results show that the antenna has the impedance bandwidths of 240 MHz (2.35–2.59 GHz), 620 MHz (3.31–3.93 GHz), and 1280 MHz (5.07–6.35 GHz) with reflection coefficient less than −10 dB, which can cover both WLAN in the 2.4/5.2/5.8 GHz bands and WiMAX in the 3.5/5.5 GHz. In addition, good radiation patterns are also achieved in both E‐ and H‐planes. Based on the measured results, the proposed antenna is a good candidate for WLAN and WiMAX applications. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:2298–2303, 2015

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