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http://dx.doi.org/10.5515/KJKIEES.2011.22.11.1133

Omnidirectional Collinear Antenna Using for Multi-Layer PCB Structure  

Jung, Huyk (Department of Electronic Engineering, Kangnam University)
Suh, Kyoung-Whoan (Department of Electronic Engineering, Kangnam University)
Publication Information
Abstract
In this paper, we proposed a collinear antenna with a stripline structure for IEEE 802.11b/g applications in ISM (Industrial, Scientific, Medical) band of 2.4~2.5 GHz, which supplements disadvantages of COCO(Coaxial Collinear) antenna and OMA(Omnidirectional planar Microstrip Antenna). By using the proposed 4-layer substrate, we obtained improved performances and advantages in production compared with the existing antenna. In order to get antenna arrays, the same phase structure is designed by alternatively connecting outer conductor to inner conductor with ${\lambda}$/2 antenna element, and the substrate of FR4 epoxy (${\epsilon}_r$=4.4, tan${\delta}$=0.02) was used for the actual implementation. The maximum gain of about 4.93 dBi was measured, which leaded to a little improved gain of 0.33 dBi in comparison to the existing OMA structure.
Keywords
Antenna; Collinear; Array; Omnidirectional; Stripline; PCB;
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  • Reference
1 R. Bancroft, B. Bateman, "An omnidirectional planar microstrip antenna", IEEE Trans. Antennas and Propagation, vol. 52, no. 11, pp. 3151-3153, 2004.   DOI
2 US Patent Application Publication Pub. No. US- 2004/0201525A1.
3 B. C. Wadell, Transmission Line Design Handbook, Artech House, Inc., 1991.
4 D. Pozar, "Directivity of omnidirectional antenna", IEEE Antennas and Propagation Magazine (Antenna Designer's Notebook), Hal Shrank Ed. vol. 35, no. 5, pp. 50-51, Oct. 1993.   DOI
5 T. J. Judasz, B. B. Balsley, "Improved theoretical and experimental models for coaxial collinear antenna", IEEE Transaction on Antennas and Propagation, vol. 37, no. 4, pp. 289-296, Mar. 1989.   DOI
6 B. Oblivion, C. Kaboom, "A 2.4 GHz vertical collinear antenna for 802. 11 applications".