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Design of an internal antenna with wide and multiband characteristic for mobile handset

✍ Scribed by Hoon Park; Myoung il Kang; Jaehoon Choi

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
159 KB
Volume
48
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

The development of a small electrical antenna plays an important role in the rapidly growing mobile communication market. This paper presents the design of a novel small and wideband planar inverted F‐antenna that simultaneously covers the GSM900/GPS/DCS1800/DCS1900/IMT2000/WLAN/DMB service bands. A very wide impedance‐bandwidth characteristic was achieved by optimizing both the distance between the feed line and short strip and the width of a short strip. The commercial electromagnetic software CST Microwave Studio is used to design the structure. The maximum gains at the frequencies of 915, 1850, 2025, and 2450 MHz were 1.79, 3.56, 3.65, and 1.67 dBi, respectively. The overall radiation pattern is suitable for mobile application. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 947–950, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21528

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