| CPC H01Q 3/2694 (2013.01) [H01Q 5/35 (2015.01)] | 8 Claims |

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1. An antenna structure, comprising:
a first antenna; and
a second antenna, wherein the first antenna comprises a first radiator, a second radiator, a first port, and a second port, and the second antenna comprises a third radiator and a third port,
wherein the first radiator, the second radiator, and the third radiator jointly constitute a ring structure, and there is a first gap between the first radiator and the second radiator, a second gap between the first radiator and the third radiator, and a third gap between the second radiator and the third radiator, and
wherein the first port is connected to a first end that is of the first radiator and that is near the first gap, the second port is connected to a first end that is of the second radiator and that is near the first gap, a feeding signal transmitted through the first port and a feeding signal transmitted through the second port are phase-inverted, the third port is connected to an intermediate region of the third radiator, the first radiator and the second radiator are respectively located on two opposite sides of a first symmetry axis, and the first symmetry axis intersects the intermediate region.
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