Multiband printed monopole and dipole antenna with square-nested fractal
WANG Li-na1, LIN Shu1,2, CAI Run-nan1, HUANG Guan-long1, ZHANG Wen-bin1
(1. School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150080, China;2. Electronic Science and Technology Post-doctoral Research Center, Harbin Institute of Technology, Harbin 150080, China);1.School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150080, China;2.Electronic Science and Technology Post-doctoral Research Center, Harbin Institute of Technology, Harbin 150080, China
Abstract:
A kind of novel multiband antenna with square-nested fractal is proposed and designed, including printed monopole antenna and dipole antenna, which are nested with a series of similar square elements. The antennas can synchronously operate in multiple frequencies, covering the four required frequencies, 2.4GHz/3.5GHz/5.2GHz/5.8GHz, for WLAN/WiMAX application. The antenna surface currents are simulated by CST MWS, a three-dimension full-wave electromagnetic simulator, and the multiband operating mechanism has been explained from analysis of the simulation results. Then the models of the two proposed antennas fed by coplanar waveguide (monopole antenna) and balanced microstripline (dipole antenna), respectively, have been obtained. Finally, prototypes of the two antennas have been manufactured and measured in anechoic chamber. The results well match the simulation results, which verifies the feasibility of design idea. Moreover, these antennas are miniature and the design idea can be easily applied into other types of nested structure, the features of which make the proposed antennas have promising application in multiband fields.
Key words: multiband antenna fractal antenna coplanar waveguide balanced microstripline nested structure
DOI：10.11916/j.issn.1005-9113.2012.06.010
Clc Number:TN828.6
Fund:
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Multiband printed monopole and dipole antenna with square-nested fractal
本站小编 哈尔滨工业大学/2019-10-23
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