Title :
A Uniplanar Triple-Band Dipole Antenna Using Complementary Capacitively Loaded Loop
Author :
Li-Ming Si ; Qing-Le Zhang ; Wei-Dong Hu ; Wei-Hua Yu ; Yu-Ming Wu ; Xin Lv ; Weiren Zhu
Author_Institution :
Beijing Key Lab. of Millimeter Wave & Terahertz Technol., Beijing Inst. of Technol., Beijing, China
Abstract :
A uniplanar compact metamaterial-inspired triple-band dipole antenna is designed and proposed for wireless local area network (WLAN) and Worldwide Interoperability for Microwave Access (WiMAX) applications. By introducing two pairs of complementary capacitively loaded loop (CCLL) slots into a uniplanar bow-tie antenna, two notched bands can be generated to form a triple-band operation. The antenna is directly fed by a 50- Ω microstrip line and a microstrip-to-coplanar-stripline (CPS) transition as a wideband balun. Antenna parameters, including voltage standing-wave ratio (VSWR), radiation patterns, and gain, are obtained by numerical simulations and experimental measurements. The results show that the proposed antenna can provide triple-band operation at 2.21-2.77, 3.33-3.95, and 5.04-6 GHz with the VSWR less than 2 to achieve 2.4/5.2/5.8-GHz WLAN and 2.5/3.5/5.5-GHz WiMAX applications.
Keywords :
WiMax; antenna radiation patterns; baluns; bow-tie antennas; dipole antennas; metamaterial antennas; microstrip lines; multifrequency antennas; numerical analysis; planar antennas; wireless LAN; WLAN; WiMAX; complementary capacitively loaded loop; frequency 2.21 GHz to 2.77 GHz; frequency 3.33 GHz to 3.95 GHz; frequency 5.04 GHz to 6 GHz; microstrip line; microstrip-to-coplanar-stripline; numerical simulations; radiation patterns; uniplanar bow-tie antenna; uniplanar compact metamaterial-inspired triple-band dipole antenna; voltage standing-wave ratio; wideband balun; wireless local area network; worldwide interoperability for microwave access; Antenna measurements; Antenna radiation patterns; Dipole antennas; Frequency measurement; Slot antennas; Wireless communication; Complementary capacitively loaded loop (CCLL); metamaterials; triple-band antenna; uniplanar dipole antenna;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2015.2396907
