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A WIDEBAND LOOP-TYPE ANTENNA
- Authors
- Moon, Sungjin; Lee, Hongkoo; Kim, Hyeongdong
- Issue Date
- Jul-2015
- Publisher
- John Wiley & Sons Inc.
- Keywords
- loop-type ground antenna; wideband antenna; broadband antenna; bluetooth; long term evolution
- Citation
- Microwave and Optical Technology Letters, v.57, no.7, pp 1742 - 1744
- Pages
- 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- Microwave and Optical Technology Letters
- Volume
- 57
- Number
- 7
- Start Page
- 1742
- End Page
- 1744
- ISSN
- 0895-2477
1098-2760
- Abstract
- A new feed structure with a loop-type radiator is proposed for achieving a wide bandwidth characteristic. The method for achieving a wide impedance bandwidth characteristic is to control the input impedance of the feed structure using a parallel capacitor and inductor. The size of the ground plane is 50 x 20 mm(2), which is usually used as the ground for USB dongle applications. The size of the rectangular ground clearance for the loop-type antenna is 8 x 4 mm(2). The proposed antenna was designed and measured using HFSS and a 3D CTIA OTA chamber. The center frequency is 2.45 GHz and the impedance bandwidth under VSWR=2:1 is 550 MHz (2.18-2.73 GHz), which is adequate for long term evolution bands (7, 30, 40) and Wi-Fi applications.
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