Title:
Microstrip Antenna Phased Array With Electromagnetic Bandgap Substrate
Author(s):
Zeev Iluz, Reuven Shavit and Reuven Bauer
Source:
IEEE Transactions on Antennas and Propagation
Vol./Issue/Date:
Vol. 52, No. 6, June
Year:
2004
Page(s):
1446 - 1453
Keywords:
Electromagnetic bandgap (EBG), microstrip antenna
phased array, mutual coupling, uniplanar compact electromagnetic
bandgap (UC-EBG) geometry.
Abstract:
Uniplanar compact electromagnetic bandgap
(UC-EBG) substrate has been proven to be an effective measure
to reduce surface wave excitation in printed antenna geometries.
This paper investigates the performance of a microstrip antenna
phased array embedded in an UC-EBG substrate. The results
show a reduction in mutual coupling between elements and
provide a possible solution to the “blind spots” problem in phased
array applications with printed elements. A novel and efficient
UC-EBG array configuration is proposed. A probe fed patch
antenna phased array of 7 5 elements on a high dielectric
constant substrate was designed, built and tested. Simulation and
measurement results show improvement in the active return loss
and active pattern of the array center element. The tradeoffs used
to obtain optimum performance are discussed.
Document:
Reference Id:
99
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