Using polygonal defect in ground structure to reduce mutual coupling in microstrip array antenna

2013 ◽  
Vol 28 (2) ◽  
pp. 194-201 ◽  
Author(s):  
Ali Farahbakhsh ◽  
Mohammad Mosalanejad ◽  
GholamReza Moradi ◽  
Shahram Mohanna
Keyword(s):  
Mutual Coupling ◽  
Array Antenna ◽  
Ground Structure ◽  
Microstrip Array ◽  
Microstrip Array Antenna

Mutual Coupling Optimization of Compact Microstrip Array Antenna

2016 ◽  
Vol 4 (3) ◽  
pp. 538
Author(s):  
Lin Teng ◽  
Jingrui Pei ◽  
Shoulin Yin
Keyword(s):  
Resonant Frequency ◽  
Antenna Array ◽  
Free Space ◽  
Mutual Coupling ◽  
Array Antenna ◽  
Defected Ground Structure ◽  
Ground Structure ◽  
Before And After ◽  
Microstrip Array ◽  
Microstrip Array Antenna

<p><em>In this paper, we perfect the mutual coupling of compact microstrip array antenna by designing a new defected ground structure. When the resonant frequency is 2.45GHz, array element spacing is 0.1 times of free space wavelength, we introduce new defected ground structure into antenna array. Then we use HFSS to make simulation and compare the changing of antenna's parameters before and after adding defected ground structure. The results demonstrate that the parameters representing mutual coupling in new model can reduce by 30dB, which effectively perfects the mutual coupling of compact microstrip array antenna.</em><em></em></p>

scholarly journals Reduction of Mutual Coupling and Return Loss in Microstrip Array Antennas Using Concave Rectangular Patches

2010 ◽  
Vol 2010 ◽  
pp. 1-5 ◽  
Author(s):  
Shahram Mohanna ◽  
Ali Farahbakhsh ◽  
Saeed Tavakoli ◽  
Nasser Ghassemi
Keyword(s):  
Mutual Coupling ◽  
Return Loss ◽  
Array Antenna ◽  
Effective Solution ◽  
Rectangular Array ◽  
Rectangular Patch ◽  
Array Antennas ◽  
Microstrip Array ◽  
Patch Length ◽  
Microstrip Array Antenna

An effective solution to reduce both the mutual coupling and return loss of a microstrip array antenna consisting of rectangular patches is proposed. The patch is made concave in both horizontal and vertical sides. Applying the proposed structure to a microstrip array antenna having two elements, the effects of patch concavity on the mutual coupling and return loss are simulated and studied. To obtain a concave rectangular patch array antenna having low amounts of mutual coupling and return loss, the patch length and width as well as the amounts of concavities are optimized using an enhanced genetic algorithm. To verify the simulation results, then, the optimal array antenna is fabricated. The simulation and experimental results confirm that the optimal concave rectangular array antenna has low amounts of mutual coupling and return loss.

MICROSTRIP ARRAY ANTENNA WITH NEW 2D-ELECTROMAGNETIC BAND GAP STRUCTURE SHAPES TO REDUCE HARMONICS AND MUTUAL COUPLING

2010 ◽  
Vol 12 ◽  
pp. 203-213 ◽  
Author(s):  
Dalia Mohammed Nashaat Elsheakh ◽  
Magdy F. Iskander ◽  
Esmat Abdel-Fattah Abdallah ◽  
Hala A. Elsadek ◽  
Hadia Elhenawy
Keyword(s):  
Band Gap ◽  
Mutual Coupling ◽  
Array Antenna ◽  
Electromagnetic Band Gap ◽  
Microstrip Array ◽  
Band Gap Structure ◽  
Microstrip Array Antenna ◽  
Gap Structure

scholarly journals MUTUAL COUPLING REDUCTION IN MICROSTRIP ARRAY ANTENNA BY EMPLOYING CUT SIDE PATCHES AND EBG STRUCTURES

2020 ◽  
Vol 89 ◽  
pp. 179-187 ◽  
Author(s):  
Bahare Mohamadzade ◽  
Ali Lalbakhsh ◽  
Roy B. V. B. Simorangkir ◽  
Alireza Rezaee ◽  
Raheel M. Hashmi
Keyword(s):  
Mutual Coupling ◽  
Array Antenna ◽  
Microstrip Array ◽  
Microstrip Array Antenna ◽  
Mutual Coupling Reduction

Compact circularly-polarized microstrip array antenna

2010 ◽  
Author(s):  
Ahmed H. Abdelrahman ◽  
Fatma Elhefnawi ◽  
Atef Z. Elsherbeni ◽  
Moataza Hendi ◽  
Salwa Elramly
Keyword(s):  
Array Antenna ◽  
Circularly Polarized ◽  
Microstrip Array ◽  
Microstrip Array Antenna
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