The present invention provides a graphene-based pattern reconfigurable antenna, comprising an excitation source provided on the upper surface of a dielectric slab, two parasitic branch patches, and a dipole antenna; the graphene-based pattern reconfigurable antenna is bilaterally symmetric about a first central axis, and is longitudinally symmetric about a second central axis; the first central axis is a connection line passing through the center of the dielectric slab in the vertical direction, and the second central axis is a connection line passing through the center of the dielectric slab in the horizontal direction; the two parasitic branch patches are respectively provided at left and right ends of the first central axis, and the two parasitic branch patches are both perpendicular to the second central axis; the dipole antenna is provided on the first central axis, and the excitation source is provided at the intersection of the first central axis and the second central axis. The graphene-based pattern reconfigurable antenna of the present invention can implement the reconfiguration of a pattern.
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