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Switchable Quad-Band Antennas for Cognitive Radio Base Station Applications
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- Authors
- Terence Wu, Rong Lin Li, Soon Young Eom, Seong Sik Myoung, Kyutae Lim, Joy Laskar, Soon Ik Jeon, Manos M. Tentzeris
- Issue Date
- 2010-05
- Citation
- IEEE Transactions on Antennas and Propagation, v.58, no.5, pp.1468-1476
- ISSN
- 0018-926X
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- A novel antenna configuration for quad-band operation is presented. The quad-band antenna has a directional radiation pattern in four frequency bands, i.e., B1 (800900 MHz), B2 (1.72.5 GHz), B3 (3.33.6 GHz), and B4 (5.15.9 GHz), covering all spectrums for existing wireless applications, such as GSM, PCS, WCDMA, WiFi, and WiMax. The operating frequency of the quad-band antenna can be adjusted by the use of a MEMS switch, making it suitable for cognitive radio applications. First a switchable quad-band antenna element is introduced. Then a two-element antenna array is developed to increase the antenna gain for base station applications featuring a gain value of about 911 dBi over all four frequency bands. © 2006 IEEE.
- KSP Keywords
- 5 GHz, 5.9 GHz, 6 GHz, Antenna gain, Band operation, Base station applications, Cognitive radio applications, Directional radiation pattern, MEMS Switch, Operating frequency, Wireless applications