Antenna switching assembly, switching method, switching system, antenna and mobile terminal

Abstract

The invention provides an antenna switching assembly, a switching method, a switching system, an antenna and a mobile terminal. The antenna switching assembly comprises a three-phase change-over switch, a fixed terminal and a selection terminal, wherein a first terminal and a second terminal in the fixed terminal are grounded; a third terminal in the fixed terminal is connected to a radio frequency processing module; the selection terminal is connected with a first feed point, a second feed point and a third feed point of an antenna body; and any terminal of the first terminal, the second terminal and the third terminal is connected with any feed point of the first feed point, the second feed point and the third feed point through the three-phase change-over switch. Through the technical scheme, a plurality of combination and connection modes of the fixed terminal and the selection terminal are achieved, so that multiple groups of resonant states are obtained; and the requirement of the bandwidth which cannot be covered by single resonance is met.

Description

technical field [0001] The present invention relates to the technical field of mobile terminals, in particular to an antenna switching component, a switching method, a switching system, an antenna and a mobile terminal. Background technique [0002] In related technologies, radio frequency antennas are widely used in mobile terminals such as mobile phones. For existing switchable or FM antennas, different resonance frequencies are obtained mainly by changing the parameters of the matching circuit of the antenna. [0003] However, since the antenna body does not change, when the parameters of the matching circuit change, the resonance bandwidth decreases, and the obtained resonance efficiency also changes with the tuning offset. The farther away from the original resonance, the lower the efficiency. [0004] Therefore, the resonance obtained by switching or frequency-modulating the matching circuit has a small variation range, and it is difficult to meet the bandwidth require...

AI Technical Summary

Problems solved by technology

[0003] However, since the antenna body does not change, when the parameters of the matching circuit change, the resonance bandwidth decreases, and the obtained resonance efficiency also changes with the tuning offset. The farther away from the original resonance, the lower the efficiency.

[0004] Therefore, the resonance obtained by switching or frequency-modulating the matching circuit has a small range of variation, and it is difficult to meet the bandwidth requirements, which seriously affects the communication experience of mobile terminal users.

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