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Small Wi-Fi chip antenna using a backside ground capacitance
- Authors
- Oh, Saewon; Kim, Hyeongdong
- Issue Date
- Mar-2013
- Publisher
- John Wiley & Sons Inc.
- Keywords
- chip antenna; small antenna; Wi-Fi antenna; dielectric antenna; planar inverted-F antenna; mobile handset antenna
- Citation
- Microwave and Optical Technology Letters, v.55, no.3, pp 580 - 582
- Pages
- 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- Microwave and Optical Technology Letters
- Volume
- 55
- Number
- 3
- Start Page
- 580
- End Page
- 582
- ISSN
- 0895-2477
1098-2760
- Abstract
- In this article, a new small chip antenna for Wi-Fi applications in mobile handsets is proposed. To achieve miniaturization, the proposed antenna is designed to have a backside ground. The proposed antenna has an S-shaped structure, which is designed on liquid crystal polymer with er = 3.5. The size of the proposed antenna is 6.0 x 3.0 x 1.2 mm3. The measured impedance bandwidth under a voltage standing wave ratio of 2 is 300 MHz (fractional bandwidth: 12.2%, 2.32.6 GHz), and the peak gain is 1.42 dBi. The proposed antenna is designed using a commercial software tool, CST Microwave Studio, and the fabricated antenna is measured using a network analyzer and an anechoic chamber.
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