Antenna module, terminal, control method and device and storage medium
An antenna module, a control method, a control device, and a storage medium can be employed by a terminal. The antenna module includes: an antenna and an RSE improvement component. The antenna includes a feed source, a ground point, and at least one radiation arm. The RSE improvement component is connected to the antenna for suppressing high order harmonics generated by the antenna when the antenna operates in a target frequency band.
1. An antenna module, applied to a terminal, wherein the antenna module comprises an antenna and a Radiated Spurious Emission (RSE) improvement component;
wherein:
the antenna comprises a feed source, a ground point, and at least one radiation arm;
the RSE improvement component is coupled to the antenna for suppressing high order harmonics generated by the antenna when the antenna operates in a target frequency band;
wherein the RSE improvement component comprises a filter circuit and a control switch, the filter circuit is configured to suppress the high order harmonics, and the control switch is configured to control a working state of the filter circuit;
wherein the filter circuit is a band pass filter circuit;
wherein a terminal of the band pass filter circuit is connected to the at least one target radiation arm of the antenna, and another terminal of the band pass filter circuit is connected to the ground point; wherein the at least one target radiation arm is a radiation arm by which the antenna radiates the high order harmonics outward;
wherein the control switch is connected in series with the band pass filter circuit.
2. The antenna module according to claim 1 , wherein the antenna is formed on a flexible circuit, and the RSE improvement component is integrated in the flexible circuit.
3. A terminal, comprising a processing component and an antenna module, wherein the antenna module comprises an antenna and a Radiated Spurious Emission (RSE) improvement component;
wherein:
the antenna comprises a feed source, a ground point, and at least one radiation arm;
the RSE improvement component is coupled to the antenna for suppressing high order harmonics generated by the antenna when the antenna operates in a target frequency band;
the processing component is configured to control the RSE improvement component to be in a working state when the antenna operates in the target frequency band;
wherein the RSE improvement component comprises a filter circuit and a control switch, the filter circuit is configured to suppress the high order harmonics, and the control switch is configured to control a working state of the filter circuit;
wherein the filter circuit is a band pass filter circuit;
wherein a terminal of the band pass filter circuit is connected to the at least one target radiation arm of the antenna, and another terminal of the band pass filter circuit is connected to the ground point; wherein the at least one target radiation arm is a radiation arm by which the antenna radiates the high order harmonics outward;
wherein the control switch is connected in series with the band pass filter circuit; and
wherein the processing component is configured to control the control switch to be turned on when the antenna operates in the target frequency band.
4. The terminal according to claim 3 , wherein the RSE improvement component is configured to suppress the high order harmonics generated by the antenna when the antenna operates in the target frequency band suppress the high order harmonics generated by the antenna, thereby reducing a need for reduction of the transmission power of the antenna for RSE test.
5. The terminal according to claim 4 , wherein the terminal is a mobile phone and further comprises a display and a microphone.
6. The terminal according to claim 5 , wherein the RSE improvement component is configured to suppress the high order harmonics generated by the antenna by shifting a resonance of the high order harmonics, such that the high order harmonics are not radiated to a far field.