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Method for processing harmonic interference and mobile terminal

A mobile terminal, harmonic interference technology, applied in the field of communication, can solve problems such as high cost and complex radio frequency circuit, and achieve the effect of improving linearity, simple radio frequency circuit, and saving circuit design cost

Active Publication Date: 2018-10-12
VIVO MOBILE COMM CO LTD
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Problems solved by technology

[0008] The present invention provides a harmonic interference processing method and a mobile terminal to solve the problem of complex radio frequency circuit and high cost in the prior art harmonic interference processing scheme

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  • Method for processing harmonic interference and mobile terminal
  • Method for processing harmonic interference and mobile terminal
  • Method for processing harmonic interference and mobile terminal

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Embodiment Construction

[0027] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0028] The generation of radio frequency harmonics is caused by the nonlinearity of the nonlinear devices in the radio frequency system. When the nonlinear devices in the radio frequency system work normally, with the gradual increase of the input signal, the nonlinear device will work close to In the saturation region, that is, the nonlinear region, the harmonic interference of the radio frequency system will increase sharply at this time. An embodiment of the present invention provides a processing method for harmonic interference, which improves the linearity of the working state of the nonlinear device by controlling the nonlinear device to work in a linear region, reduces harmonic interference, and improves radio frequency performance.

[0029] See ...

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Abstract

The invention provides a method for processing harmonic interference and a mobile terminal, wherein the method for processing the harmonic interference comprises: detecting a current working scene ofa radio system of the mobile terminal; and controlling the nonlinear device in the radio frequency system to operate in the linear region when harmonic interference is generated in the current workingscene of the radio system of the mobile terminal, wherein when the nonlinear device operates in the linear region, the input signal and the output signal of the nonlinear device are linearly correlated. The invention is capable of improving the linearity of the working state of the nonlinear device, thereby reducing harmonic interference and improving the radio frequency performance. Moreover, inthe embodiment of the invention, the radio frequency circuit is simple, and the circuit design cost may be saved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method for processing harmonic interference and a mobile terminal. Background technique [0002] Harmonic interference is a major problem faced by the radio frequency system of multi-frequency communication. For example, in the case of LTE (Long Term Evolution, long-term evolution) downlink carrier aggregation, the harmonic interference of the main carrier transmission frequency band interferes with the reception of the secondary carrier, LTE and Wi- In the case of Fi (Wireless Fidelity) coexistence, harmonics in the LTE transmission band interfere with Wi-Fi reception, etc. With the advent of the 5G (5th-Generation, fifth-generation mobile communication technology) era, harmonic interference will become more serious, such as 4G (4th-Generation, fourth-generation mobile communication technology) and 5G for NR (New Radio) During dual connection, the harmonics gen...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/525
CPCH04B1/525
Inventor 张厦
Owner VIVO MOBILE COMM CO LTD
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