Array Mutual Coupling Reduction Using L-Loading E-Shaped Electromagnetic Band Gap Structures

الملخص EN

A mutual coupling reduction method between microstrip antenna array elements is proposed by using periodic L-loading E-shaped electromagnetic band gap structures.

Two identical microstrip patch antennas at 2.55 GHz are settled together and used to analyze the performance of the designed two-element antenna array.

The two antenna elements are settled with a distance of about 0.26 λ .

To reduce the mutual coupling, the L-loading E-shaped electromagnetic band gap structures are used between these antenna elements.

The simulated and measured results show that the isolation of the antenna array reaches 38 dB, which has a mutual coupling reduction of 26 dB in comparison with the antenna array without the decoupling structures.