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Design of the band‐rejected UWB antenna with the ring‐shaped parasitic patch
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- Authors
- Ki Hak Kim, Seong Ook Park
- Issue Date
- 2006-07
- Citation
- Microwave and Optical Technology Letters, v.48, no.7, pp.1310-1313
- ISSN
- 0895-2477
- Publisher
- John Wiley & Sons
- Language
- English
- Type
- Journal Article
- Abstract
- A novel UWB antenna with band-elimination characteristic is presented. The proposed antenna is fed by microstrip line and consists of an inversed bell-shape radiation patch, rounded ground, and a ring-shaped parasitic patch. The proposed antenna utilizes a ring-shape parasitic patch to reject the frequency band (5.15-5.825 GHz) limited by IEEE 802.11a and HIPERLAN/2. In addition, the rejected frequency band can be varied by adjusting the length and location of the ring-shape parasitic patch. By means of a normalized antenna transfer function, both the frequency-domain and time-domain characteristics of the antenna are carefully investigated. The fabricated antenna can achieve broad bandwidth covering 2.2 to 11.8 GHz with VSWR below 2. © 2006 Wiley Periodicals, Inc.
- KSP Keywords
- 5 GHz, IEEE 802.11a, Microstrip Line, Time-domain characteristics, UWB antenna, antenna transfer function, broad bandwidth, frequency band, frequency domain(FD), parasitic patch, ring-shape