Antenna, control method, and storage medium

1. An antenna, comprising:

an antenna circuit;

at least two switch circuits, arranged in at least two gaps of two side surfaces of the antenna circuit; and

a processor, configured to:

obtain a plurality of signal strengths received by the antenna circuit from each of a plurality of radiation directions, the plurality of radiation directions being formed by controlling on/off states of the at least two switch circuits;

based on the plurality of signal strengths, determine a first strongest signal strength and a radiation direction corresponding to the strongest signal strength; and

lock in a first radiation direction of the antenna circuit in the radiation direction corresponding to the first strongest signal strength.

2. The antenna of claim 1 , wherein for each of the at least two switch circuits, a corresponding switch circuit includes a diode or a field effect transistor.

3. The antenna of claim 1 , wherein for each of the at least two switch circuits, an arrangement direction of a corresponding switch circuit is different from a direction of a current flowing through a ground of the antenna circuit.

4. The antenna of claim 1 , wherein the processor is further configured to:

determine a scan duration, indicating a time interval between two adjacent times of obtaining the plurality of signal strengths;

obtain the plurality of signal strengths received by the antenna circuit from each of the plurality of radiation directions;

after a scan duration, re-obtain a plurality of signal strengths received by the antenna circuit from each of the plurality of radiation directions;

based on the re-obtained plurality of signal strengths, determine a second strongest signal strength and determine a second radiation direction corresponding to the second strongest signal; and

lock in the second radiation direction of the antenna circuit in the radiation direction corresponding to the second strongest signal strength.

5. The antenna of claim 1 , wherein the processor is further configured to:

obtain a second signal strength received by the antenna circuit at the radiation direction corresponding to the first strongest signal strength;

when a difference between the second signal strength and the first strongest signal strength is larger than a predetermined threshold, re-obtain a plurality of signal strengths received by the antenna circuit from each of the plurality radiation directions that correspond to the antenna circuit;

based on the re-obtained plurality of signal strengths, determine a third strongest signal strength and a third radiation direction corresponding to the third strongest signal strength; and

lock in the third radiation direction of the antenna circuit in the radiation direction corresponding to the third strongest signal strength.

6. A method for controlling an antenna, comprising:

obtaining a plurality of signal strengths received by an antenna circuit from each of a plurality of radiation directions, the plurality of radiation directions being formed by controlling on/off states of at least two switch circuits;

based on the plurality of signal strengths, determining a first strongest signal strength and a radiation direction corresponding to the strongest signal strength; and

locking in a first radiation direction of the antenna circuit in the radiation direction corresponding to the first strongest signal strength.

7. The method of claim 6 , further comprising:

determining a scan duration, indicating a time interval of two adjacent times of obtaining the plurality of signal strengths;

obtaining the plurality of signal strengths received by the antenna circuit from each of the plurality of radiation directions;

after a scan duration, re-obtaining a plurality of signal strengths received by the antenna circuit from each of the plurality of radiation directions that correspond to the antenna circuit;

based on the re-obtained plurality of signal strengths, determining a second strongest signal strength and determine a second radiation direction corresponding to the second strongest signal; and

locking in the second radiation direction of the antenna circuit in the radiation direction corresponding to the second strongest signal strength.

8. The method of claim 6 , further comprising:

obtaining a second signal strength received by the antenna circuit at the radiation direction corresponding to the first strongest signal strength;

when a difference between the second signal strength and the first strongest signal strength is larger than a predetermined threshold, re-obtaining a plurality of signal strengths received by the antenna circuit from each of the plurality radiation directions that correspond to the antenna circuit;

based on the re-obtained plurality of signal strengths, determining a third strongest signal strength and a third radiation direction corresponding to the third strongest signal strength; and

locking in the third radiation direction of the antenna circuit at the radiation direction corresponding to the third strongest signal strength.

9. An antenna control device, comprising:

a processor; and

a memory storing a computer program that, when executed by the processor, causes the processor to:

obtain a plurality of signal strengths received by an antenna circuit from each of a plurality of radiation directions, the plurality of radiation directions being formed by controlling on/off states of at least two switch circuits;

based on the plurality of signal strengths, determine a first strongest signal strength and a radiation direction corresponding to the strongest signal strength; and

lock in a first radiation direction of the antenna circuit in the radiation direction corresponding to the first strongest signal strength.

10. The antenna control device of claim 9 , wherein the computer program further causes the processor to:

determine a scan duration, the scan duration indicating a time interval of two adjacent times of obtaining the plurality of signal strengths;

obtaining the plurality of signal strengths received by the antenna circuit from each of the plurality of radiation directions;

after a scan duration, re-obtain a plurality of signal strengths received by the antenna circuit from each of the plurality of radiation directions that correspond to the antenna circuit;

based on the re-obtained plurality of signal strengths, determine a second strongest signal strength and determine a second radiation direction corresponding to the second strongest signal; and

lock in the second radiation direction of the antenna circuit in the radiation direction corresponding to the second strongest signal strength.

11. The antenna control device of claim 9 , wherein the computer program further causes the processor to:

obtain a second signal strength received by the antenna circuit at the radiation direction corresponding to the first strongest signal strength;

when a difference between the second signal strength and the first strongest signal strength is larger than a predetermined threshold, re-obtain a plurality of signal strengths received by the antenna circuit from each of the plurality radiation directions that correspond to the antenna circuit;

based on the re-obtained plurality of signal strengths, determine a third strongest signal strength and a third radiation direction corresponding to the third strongest signal strength; and

lock in the third radiation direction of the antenna circuit in the radiation direction corresponding to the third strongest signal strength.

12. The antenna control device of claim 9 , wherein for each of the at least two switch circuits, a corresponding switch circuit includes a diode or a field effect transistor.

13. The antenna control device of claim 9 , wherein for each of the at least two switch circuits, an arrangement direction of a corresponding switch circuit is different from a direction of a current flowing through a ground of the antenna circuit.