Wireless transceiver apparatus and base station
The present invention discloses a wireless transceiver apparatus and a base station, and pertains to the communications field. The wireless transceiver apparatus includes: a metal carrier and an antenna unit. The antenna unit includes a feeding structure and a radiation patch, where a groove is disposed on the metal carrier, and the antenna unit is disposed in the groove; and the radiation patch is fed by using the feeding structure, and the radiation patch is grounded.
1. An apparatus, comprising:
a metal carrier having at least one groove; and
an antenna unit in the at least one groove, wherein the antenna unit comprises a feeding structure in the at least one groove and a radiation patch in the at least one groove, the feeding structure feeds the radiation patch, and the radiation patch is grounded;
wherein the entirety of the antenna unit is disposed within the at least one groove and below a topmost major outside plane of the metal carrier.
2. The apparatus according to claim 1 , wherein the at least one groove is located at an edge of the metal carrier.
3. The apparatus according to claim 1 , further comprising:
a slot between the feeding structure and the radiation patch, and the feeding structure performs coupling feeding on the radiation patch through the slot.
4. The apparatus according to claim 1 , wherein the antenna unit further comprises:
a parasitic structure, wherein the parasitic structure is located on a surface parallel to a bottom surface of the at least one groove, and the parasitic structure is grounded.
5. The apparatus according to claim 4 , further comprising:
a slot between the parasitic structure and the radiation patch, wherein coupling feeding is performed between the parasitic structure and the radiation patch through the slot.
6. The apparatus according to claim 4 , wherein the antenna unit further comprises:
a first ground pin, wherein a first end of the first ground pin is connected to the parasitic structure, a second end of the first ground pin is connected to the metal carrier, the first ground pin is perpendicular to the bottom surface of the at least one groove, and the parasitic structure is grounded through the metal carrier.
7. The apparatus according to claim 4 , wherein:
the parasitic structure is a non-centrosymmetric structure.
8. The apparatus according to claim 7 , wherein:
the parasitic structure is a circular sector structure, the radiation patch is a semi-annular structure, and a center of the radiation patch and a center of the parasitic structure are located on a same side of the radiation patch.
9. The apparatus according to claim 1 , wherein:
both the radiation patch and the feeding structure are non-centrosymmetric structures.
10. The apparatus according to claim 9 , wherein the feeding structure is an E-shaped structure, the E-shaped structure comprises a first vertical strip structure and three first horizontal strip structures, each of the three first horizontal strip structures intersect the first vertical strip structure at an interval, an opening of the E-shaped structure is disposed opposite to the radiation patch, a first one of the three first horizontal strip structures is disposed between a second one of the three first horizontal strip structures and a third one of the three first horizontal strip structures, a length of the first one of the three first horizontal strip structures is greater than a respective length of the second one of the three first horizontal strip structures and the third one of the three first horizontal strip structures, the first one of the three first horizontal strip structures is connected to a feed of the metal carrier, and a slot is between the first vertical strip structure and the radiation patch.
11. The apparatus according to claim 9 , wherein the feeding structure is a T-shaped structure, the T-shaped structure comprises a second vertical strip structure and a second horizontal strip structure extending from a middle part of the second vertical strip structure, an end of the second horizontal strip structure is connected to a feed of the metal carrier, and a slot is between the second vertical strip structure and the radiation patch.
12. The apparatus according to claim 9 , wherein the feeding structure is an integrated structure comprising an arc-shaped structure and a strip structure, a first end of the strip structure is connected to a feed of the metal carrier, and a second end of the strip structure is connected to the arc-shaped structure, wherein an arc-shaped opening is disposed on a side of the radiation patch nearest to the feeding structure, the arc-shaped structure is in the arc-shaped opening, a slot is between a sidewall of the arc-shaped structure and a sidewall of the arc-shaped opening.
13. The apparatus according to claim 1 , wherein the antenna unit further comprises a first dielectric substrate, the first dielectric substrate is disposed in the at least one groove, and the radiation patch and the feeding structure are disposed on the first dielectric substrate.
14. The apparatus according to claim 13 , wherein the antenna unit further comprises:
a first ground cable, wherein a first end of the first ground cable is connected to the radiation patch, a second end of the first ground cable is connected to a metal ground cable disposed on the first dielectric substrate, and the radiation patch is grounded through metal ground cable.
15. The apparatus according to claim 14 , wherein:
the first ground cable is disposed on a first side of the radiation patch, and the feeding structure is disposed on a second side of the radiation patch different from the first side of the radiation patch.
16. The apparatus according to claim 14 , further comprising:
a second ground cable, wherein first and second ground cables are symmetrically disposed on two sides of the radiation patch, and are separately connected to the metal ground cable of the dielectric substrate, the feeding structure is an axisymmetric structure, and a symmetry axis of the feeding structure is the same as a symmetry axis of the first and second ground cables.
17. The apparatus according to claim 13 , wherein:
the radiation patch is located on a lower surface of the first dielectric substrate; and
the apparatus further comprises:
a second ground pin disposed on at least one side of the radiation patch, wherein a first end of the second ground pin is connected to the radiation patch, a second end of the second ground pin is connected to the metal carrier, the second ground pin is perpendicular to a surface of the first dielectric substrate, the surface of the first dielectric substrate is parallel to a bottom surface of the at least one groove, and the radiation patch is grounded through the metal carrier.
18. The apparatus according to claim 13 , further comprising:
a second dielectric substrate on the metal carrier; and
the first dielectric substrate and the second dielectric substrate on the metal carrier are an integrated structure.
19. The apparatus according to claim 1 , further comprising:
a shielding cover, wherein the shielding cover is buckled on a dielectric substrate on the metal carrier.
20. The apparatus according to claim 1 , further comprising:
a second ground pin disposed on a side of the radiation patch, wherein a first end of the second ground pin is connected to the radiation patch, a second end of the second ground pin is connected to the metal carrier, the second ground pin is perpendicular to a bottom surface of the at least one groove, and the radiation patch is grounded through the metal carrier.