Title :
A miniaturized, omni-directional UWB biconical antenna with band-notched
Author :
Zhang, Longjun ; Zhang, Fushun ; Liao, Zhenlin ; Wan, Pu ; Ning, Gaoli
Author_Institution :
Nat. Key Lab. of Sci. & Technol. on Antennas & Microwaves, Xidian Univ., Xi´´an, China
Abstract :
A miniaturized, omni-directional Ultra Wideband (UWB) biconical antenna with band-notched is described Firstly, we design an antenna which is the well-known biconical antenna Then in order to improve the structure of the flat ground for miniaturization, the biconical antenna above a concavo-convex ground is designed without degrading the VSWR The antenna operates from 2.4-20 GHz with low Voltage Standing Wave Ratio (VSWR<;2). Finally, the miniaturized antenna operates from 2.4-20 GHz with low VSWR (<;2) too is designed, excluding a band-notched frequency at S.15-6GHz The propose antennas are fed by a coaxial probe through a SMA connector. The length of the proposed biconical element above the ground plane is slightly less than λ/4 at the lowest frequency in the band Simulation results for VSWR and radiation pattern of the four antennas are presented and discussed.
Keywords :
antenna radiation patterns; conical antennas; omnidirectional antennas; ultra wideband antennas; SMA connector; antenna radiation pattern; band-notched frequency; biconical element; coaxial probe; concavo-convex ground plane; miniaturization; miniaturized biconical antenna; omni-directional UWB biconical antenna; omni-directional ultra wideband biconical antenna; voltage standing wave ratio; UWB; band-notched; biconical antenna; omni-directional;
Conference_Titel :
Microwave, Antenna, Propagation, and EMC Technologies for Wireless Communications (MAPE), 2011 IEEE 4th International Symposium on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-8265-8
DOI :
10.1109/MAPE.2011.6156247
