Title :
Broadband microstrip-line-fed circularly-polarized circular slot antenna
Author :
Jen-Yea Jan ; Guo-Jhih Wu ; Chien-Yuan Pan ; Hua-Ming Chen
Author_Institution :
Dept. of Electron. Eng., Nat. Kaohsiung Univ. of Appl. Sci., Kaohsiung, Taiwan
Abstract :
A broadband microstrip-line-fed circularly-polarized circular slot antenna is presented in this paper. The circularly polarized (CP) operation can be designed by embedding a spur slot into the circular slot and the broadband CP operation can be simply achieved by an open slot. From the experimental results, the 3-dB axial-ratio (AR) bandwidth can reach as large as 350 MHz (14.5% relative to the center frequency of 2415 MHz) which is about 3 times of that of the proposed antenna without the open slot to cover the WLAN band.
Keywords :
UHF antennas; antenna feeds; broadband antennas; electromagnetic wave polarisation; microstrip antennas; microstrip lines; slot antennas; AR bandwidth; WLAN band; axial-ratio bandwidth; bandwidth 350 MHz; broadband CP operation; broadband microstrip-line-fed circularly-polarized circular slot antenna; frequency 2415 MHz; spur slot; Antenna measurements; Bandwidth; Broadband antennas; Broadband communication; Microstrip antennas; Slot antennas; circular polarization (CP); slot antennas;
Conference_Titel :
Electromagnetics (iWEM), 2014 IEEE International Workshop on
Conference_Location :
Sapporo
DOI :
10.1109/iWEM.2014.6963634
