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Asadpor, Loghman. (1404). A Multi-Band Spiral-Shaped Patch CPW-Fed CP Antenna. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 19(2), 1-8. doi: 10.57647/j.mjee.2025.1902.25
Loghman Asadpor. "A Multi-Band Spiral-Shaped Patch CPW-Fed CP Antenna". نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 19, 2, 1404, 1-8. doi: 10.57647/j.mjee.2025.1902.25
Asadpor, Loghman. (1404). 'A Multi-Band Spiral-Shaped Patch CPW-Fed CP Antenna', نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 19(2), pp. 1-8. doi: 10.57647/j.mjee.2025.1902.25
Asadpor, Loghman. A Multi-Band Spiral-Shaped Patch CPW-Fed CP Antenna. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 1404; 19(2): 1-8. doi: 10.57647/j.mjee.2025.1902.25

A Multi-Band Spiral-Shaped Patch CPW-Fed CP Antenna

Majlesi Journal of Electrical Engineering
مقاله 2، دوره 19، شماره 2، شهریور 2025، صفحه 1-8    اصل مقاله (866.26 K)
نوع مقاله: Reseach Article
شناسه دیجیتال (DOI): 10.57647/j.mjee.2025.1902.25
نویسنده
Loghman Asadpor* 1، 2
1Department of Electrical Engineering, Urmia Branch, Islamic Azad University, Urmia, Iran.
2Microwave and Antenna Research Center, Urmia Branch, Islamic Azad University, Urmia, Iran.
چکیده
A miniaturized quadruple-band antenna with a spiral-shaped patch is proposed to cover wireless system bands including GSM, Wi-Fi/WLAN (IEEE 802.11b/g/n), Extended UMTS (IEEE 802.11y), WiMAX and the Wi-Fi/WLAN2 (IEEE 802.11a/h/j). The antenna design features a CPW-fed configuration with a spiral-shaped patch, vertical slot, and open-end slits in a rectangular ground plane. In the design of this antenna, the POES structure is used to improve the characteristics of the antenna. A prototype antenna was constructed and tested, demonstrating operation across four frequency bands ranging from 1.71 GHz to 7.1 GHz. The antenna exhibits circular polarization, a monopole-like radiation pattern, and good gain over its operating bands,making it suitable for GSM, Extended UMTS, WiMAX, and Wi-Fi/WLAN applications. The antennas overall dimension is 27×25 mm2.
کلیدواژه‌ها
Spiral shaped antenna؛ Defected ground structure؛ Periodic open-end slit؛ WiMAX/Wi-Fi/WLAN؛ Circular polarization
مراجع
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