Dual‐band monopole antenna excited by a capacitive coupling feed for WLAN applications | Zendy

Huang ChihYu | Zendy; Lin HsiaoCheng | Zendy; Kuo JiehSen | Zendy

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Dual‐band monopole antenna excited by a capacitive coupling feed for WLAN applications

Author(s) -

Huang ChihYu,

Lin HsiaoCheng,

Kuo JiehSen

Publication year - 2007

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.22380

Subject(s) - electrical engineering , multi band device , wi fi , monopole antenna , capacitive coupling , bandwidth (computing) , microstrip antenna , microwave , capacitive sensing , engineering , wireless , microstrip , electrical length , electronic engineering , physics , antenna (radio) , optoelectronics , telecommunications , antenna factor , wireless network , voltage

A printed dual‐band T‐shaped monopole antenna with a shorted strip fed by a coupling microstrip line for wireless communication in the wireless local‐area network (WLAN) band is studied. The proposed antenna can provide two separate impedance bandwidths of 101 MHz (about 4.1% centered at 2.45 GHz) and 1490 MHz (about 27% centered at 5.5 GHz), making it easier to cover the required bandwidths for WLAN operation in the 2.45 GHz band (about 3.4% bandwidth required) and 5.2/5.8 GHz bands (about 13% bandwidth required). We can easily find the enhancement of impedance bandwidth by using capacitive coupling feed. Details of the proposed antenna design and experimental results are presented and discussed. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1135–1138, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI.10.1002/mop.22380

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