CPC H01Q 1/36 (2013.01) [H01Q 1/243 (2013.01); H01Q 19/02 (2013.01); H01Q 21/08 (2013.01)] | 16 Claims |
1. An antenna structure, comprising:
a dielectric layer; and
a plurality of antenna units arranged on a top surface of the dielectric layer, each of the plurality of antenna units comprising:
a radiator comprising convex portions and concave portions;
a first transmission line and a second transmission line extending in different directions to be connected to the radiator;
an upper parasitic element adjacent to an upper portion of the radiator, the upper parasitic element comprising a first upper parasitic element and a second upper parasitic element separated from each other; and
a lower parasitic element adjacent to a lower portion of the radiator,
wherein the first upper parasitic element and the second upper parasitic element are disposed to be adjacent to different concave portions of the concave portions.
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