Electronic device

1. An electronic device, comprising:

a body, comprising a first shell, a second shell, a back cover, and a first waterproof structure, wherein the first shell has a first side, a second side opposite to the first side, and an upper side extending between the first side and the second side such that the first side and the second side are on diametrically opposite ends of the upper side, the first waterproof structure defines a protrusion extending from a surface of the back cover facing the second shell, and the second shell defines a groove configured to receive the protrusion;

a first array antenna, arranged in the first shell and adjacent to the first side, the first array antenna having a first beam radiating in a first direction towards the first side;

a second array antenna, arranged in the first shell and adjacent to the second side, the second array antenna having a second beam radiating in a second direction towards the upper side; and

a third array antenna, arranged in the first shell and located between the first array antenna and the second array antenna, the third array antenna having a third beam radiating in a third direction towards the second side.

2. The electronic device according to claim 1 , wherein the first array antenna, the second array antenna and the third array antenna are mm Wave antennas.

3. The electronic device according to claim 1 , wherein the body further comprises a substrate located between the second shell and the first shell, the first array antenna is arranged on a first bearing seat of the substrate, and a bearing portion of the first bearing seat inclines by a non-zero first angle relative to the substrate.

4. The electronic device according to claim 3 , wherein the second array antenna is arranged on a second bearing seat of the substrate, and a bearing portion of the second bearing seat inclines by a second angle relative to the substrate, the second bearing seat defines a second protrusion extending from a surface of the substrate, and the second bearing seat has a triangular cross-section perpendicular to a longest dimension of the second protrusion.

5. The electronic device according to claim 4 , wherein the third array antenna is arranged on a third bearing seat of the substrate, and a bearing portion of the third bearing seat inclines by a third angle relative to the substrate.

6. The electronic device according to claim 5 , wherein the body further comprises a second waterproof structure, the second waterproof structure is arranged at a first opening of the second shell, the first opening corresponds to the first array antenna, the second waterproof structure comprises a waterproof plate and a waterproof wall, the waterproof plate has an opening, and the waterproof wall is arranged around the opening and extends toward a direction opposite to a position of the substrate.

7. The electronic device according to claim 6 , wherein first waterproof structure is arranged at a second opening of the second shell, the second opening corresponds to the second array antenna and the third array antenna, the groove is a waterproof channel, and the waterproof channel is arranged around the second opening such that the waterproof channel encircles the second array antenna and the third array antenna.

8. The electronic device according to claim 5 , further comprising:

a first radio-frequency (RF) signal processing module, arranged in the first shell and coupled to the first array antenna, transmitting or receiving a first RF signal through the first array antenna;

a second RF signal processing module, arranged in the first shell and coupled to the second array antenna, transmitting or receiving a second RF signal through the second array antenna; and

a third RF signal processing module, arranged in the first shell and coupled to the third array antenna, transmitting or receiving a third RF signal through the third array antenna.

9. The electronic device according to claim 8 , further comprising:

a baseband signal processing module, arranged on the substrate, coupled to the first RF signal processing module, the second RF signal processing module and the third RF signal processing module through a first RF signal transmission line, a second RF signal transmission line and a third RF signal transmission line, respectively;

wherein, the baseband signal processing module generates a baseband signal, the first RF signal processing module receives and processes the baseband signal to generate the first RF signal, the second RF signal processing module receives and processes the baseband signal to generate the second RF signal, and the third RF signal processing module receives and processes the baseband signal to generate the third RF signal.

10. The electronic device according to claim 8 , further comprising:

a phase control module, arranged on the substrate, coupled to the first RF signal processing module, the second RF signal processing module and the third RF signal processing module through a first signal control line, a second signal control line and a third signal control line, respectively;

wherein, the phase control module generates a first phase control signal, a second phase control signal and a third phase control signal to adjust a beam direction of the first beam, a beam direction of the second beam and a beam direction of the third beam, respectively.

11. The electronic device according to claim 1 , wherein the first array antenna, the second array antenna, and the third array antenna are patch antennas.

12. The electronic device according to claim 1 , wherein the second direction is perpendicular to the first direction and the third direction.

13. The electronic device according to claim 12 , wherein the first direction differs from the third direction by 180 degrees on a Cartesian coordinate system.

14. The electronic device according to claim 1 , wherein the first direction differs from the third direction by 180 degrees on a Cartesian coordinate system.

15. The electronic device according to claim 1 , wherein the first direction is defined as a negative-y direction on a Cartesian coordinate system and the first array antenna is configured to perform scanning by shifting the first beam within a pre-defined angular range of the negative-y direction in a first xy-plane.

16. The electronic device according to claim 15 , wherein the pre-defined angular range of the negative-y direction is +60 degrees to −60 degrees relative to the negative-y direction.

17. The electronic device according to claim 15 , wherein the second direction is defined as a positive-x direction on the Cartesian coordinate system and the second array antenna is configured to perform scanning by shifting the second beam within a pre-defined angular range of the positive-x direction in a second xy-plane.

18. The electronic device according to claim 17 , wherein the first xy-plane and the second xy-plane are a same plane.

19. The electronic device according to claim 17 , wherein the third direction is defined as a positive-y direction on the Cartesian coordinate system and the third array antenna is configured to perform scanning by shifting the third beam within a pre-defined angular range of the positive-y direction in a third xy-plane.

20. The electronic device according to claim 19 , wherein the pre-defined angular range of the negative-y direction is +60 degrees to −60 degrees relative to the negative-y direction, the pre-defined angular range of the positive-x direction is +60 degrees to −60 degrees relative to the positive-x direction, and the pre-defined angular range of the positive-y direction is +60 degrees to −60 degrees relative to the positive-y direction.