ISSN: 2349-5162 | Impact Factor: 5.87

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Design of a UWB Antenna Array for Ka Band Operation

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An ultra wide band circular ring patch antenna array is investigated in this paper. The initial design was a single element annular ring patch antenna fed with microstrip line on FR4 dielectric substrate with and thickness h=1.6 mm. Eigen value solution for 28 GHz yields inner radius a=3.0 mm and outer radius b= 4.05 mm for the patch. The single element shows a bandwidth of 37.2 % at 28.5 GHz with -21dB return loss. The antenna with four connected annular rings array, fed with microstrip line, shows enhanced bandwidth of 57.57 % at 28 GHz with return loss of -23.5 dB. The array also shows multi frequency response. The designed antennae can be used in wireless communication(Abstract).

Key Words

Annular ring antenna, array antenna, ultra wide bandwidth antenna, wireless communication

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"Design of a UWB Antenna Array for Ka Band Operation", International Journal of Emerging Technologies and Innovative Research ( | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 1, page no. pp29-33, January-2018, Available at : &

Publication Details

Published Paper ID: JETIR1801007
Registration ID: 171186
Published In: Volume 5 | Issue 1 | Year January-2018
DOI (Digital Object Identifier):
Page No: 29-33
ISSN Number: 2349-5162

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(Volume 5 | Issue 1 | January 2018 |Impact factor 5.87)

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  • » Paper Submission Till: 29 January 2018.
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  • » Frequency: Monthly (12 issue Annually)
  • » Journal Type : Open Access
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