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Design of Substrate Integrated Coaxial Line based Broadband Dipole Antenna for Millimeter Wave Application
Published in Institute of Electrical and Electronics Engineers Inc.
A broadband dipole antenna fed by the Substrate Integrated Coaxial Line (SICL) to work in Local Multipoint Distributed System (LMDS) band is presented in this paper. The feeding network consist of SICL which holds the advantage of eliminating the complex network of balun and reflector in conventional microstrip based feeding designs of planar antennas. The proposed design utilises parasitic dipole in addition to the primary dipole antenna to enhance bandwidth. This antenna exhibits gain varying from 7.2dBi to 8dBi and 19% impedance bandwidth within the range of 25.7GHz to 31.2GHz. This antenna finds its application in LMDS (26GHz-29GHz) systems and millimetre wave applications. © 2018 IEEE.