A defected ground structure for isolation enhancement in a printed MIMO antenna system

@article{Numan2013ADG,
  title={A defected ground structure for isolation enhancement in a printed MIMO antenna system},
  author={Ahmad B. Numan and Mohammad S. Sharawi and Ashley Steffes and D. N. Aloi},
  journal={2013 7th European Conference on Antennas and Propagation (EuCAP)},
  year={2013},
  pages={2123-2126}
}
In this work, a novel defected ground structure (DGS) based isolation technique is proposed for printed antennas. The DGS is capable of improving the isolation of a dual band antenna especially for the low bands (800MHz). A 4-shaped MIMO antenna system is used to test the performance of the isolation structure. The proposed method relies on a modified dumbbell shaped DGS to improve the isolation for high band (2440-2980). The primary rectangles of the dumbbell are loaded with a spiral to cover… CONTINUE READING

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