阅读说明：本技术 改善发射杂散的方法和移动终端 (Method for improving transmission stray and mobile terminal ) 是由 徐若宸 盛雪锋 于 2019-09-25 设计创作，主要内容包括：本发明提供了一种改善发射杂散的方法和移动终端。移动终端包括发射机、功率放大器、第一可变陷波模块和第二可变陷波模块,第一可变陷波模块分别与发射机的输出端和功率放大器的输入端连接,第二可变陷波模块与功率放大器的输出端连接,方法包括：在移动终端存在发射杂散的情况下,调整发射机和/或功率放大器的工作状态；若发射杂散未满足预设条件,则调整第一可变陷波模块和/或第二可变陷波模块的陷波频点。本发明在移动终端出厂时存在发射杂散的情况下,自动改善移动终端的发射杂散,以尽可能使移动终端的发射杂散满足预设条件,无需专业工程师逐个对不满足要求的移动终端进行分析调试,极大降低了调试移动终端的发射杂散问题时长和调试成本。(The invention provides a method for improving transmission stray and a mobile terminal. The mobile terminal comprises a transmitter, a power amplifier, a first variable notch module and a second variable notch module, wherein the first variable notch module is respectively connected with the output end of the transmitter and the input end of the power amplifier, and the second variable notch module is connected with the output end of the power amplifier, and the method comprises the following steps: under the condition that the mobile terminal has transmission stray, adjusting the working state of a transmitter and/or a power amplifier; and if the transmitting stray does not meet the preset condition, adjusting the notching frequency point of the first variable notching module and/or the second variable notching module. According to the invention, under the condition that the transmission stray exists when the mobile terminal leaves the factory, the transmission stray of the mobile terminal is automatically improved, so that the transmission stray of the mobile terminal meets the preset condition as far as possible, a professional engineer does not need to analyze and debug the mobile terminal which does not meet the requirements one by one, and the transmission stray problem debugging time and debugging cost of the mobile terminal are greatly reduced.)

1. A method for improving transmit spurs in a mobile terminal, the mobile terminal comprising a transmitter, a power amplifier, a first variable notch module and a second variable notch module, wherein the first variable notch module is coupled to an output of the transmitter and an input of the power amplifier, respectively, and the second variable notch module is coupled to an output of the power amplifier, the method comprising:

adjusting the working state of the transmitter and/or the power amplifier under the condition that the mobile terminal has transmission stray;

and if the transmission stray does not meet the preset condition, adjusting the notch frequency point of the first variable notch module and/or the second variable notch module.

2. The method of claim 1, wherein the adjusting the operating state of the transmitter and/or the power amplifier comprises:

judging whether the transmitter is a stray emission source;

if yes, adjusting the working state of the transmitter;

and if the transmitter is not a stray emission source, or the transmission stray does not meet the preset condition after the notch frequency point of the first variable notch module is adjusted, adjusting the working state of the power amplifier.

3. The method according to claim 1 or 2,

after the working state of the transmitter is adjusted, if the transmission stray does not meet the preset condition, adjusting a notch frequency point of the first variable notch module;

after the working state of the power amplifier is adjusted, if the transmission stray does not meet the preset condition, adjusting the notch frequency point of the second variable notch module.

4. The method of claim 2, wherein said determining whether the transmitter is a spurious transmission source comprises:

determining a first frequency point with maximum stray emission power of the mobile terminal;

adjusting the working state of the transmitter and acquiring a stray transmission power change value corresponding to the first frequency point;

and if the stray emission power change value corresponding to the first frequency point is greater than or equal to a preset power change value, determining that the transmitter is a stray emission source.

5. The method of claim 1, 2 or 3, wherein the adjusting the notching frequency point of the variable notching module comprises:

determining a target stray frequency point of the mobile terminal;

and adjusting the trapped wave frequency point of the variable trapped wave module to be the target stray frequency point.

6. The method of claim 1, further comprising, after said adjusting notch frequency points of said first variable notch module and/or said second variable notch module:

and if the transmission stray does not meet the preset condition, changing the current communication channel of the mobile terminal to a target communication channel.

7. A mobile terminal comprising a transmitter, a power amplifier, a first variable notching module, and a second variable notching module, wherein the first variable notching module is connected to an output of the transmitter and an input of the power amplifier, respectively, and wherein the second variable notching module is connected to an output of the power amplifier, the mobile terminal further comprising:

a first adjusting module, configured to adjust an operating state of the transmitter and/or the power amplifier when a transmission spur exists in the mobile terminal;

a second adjusting module, configured to adjust a notch frequency point of the first variable notch module and/or the second variable notch module if the transmission spur does not satisfy a preset condition.

8. The mobile terminal of claim 7, wherein the first adjusting module comprises:

the judging submodule is used for judging whether the transmitter is a stray emission source;

a first adjusting submodule, configured to adjust an operating state of the transmitter if the transmitter is a stray transmission source;

and the second adjusting sub-module is used for adjusting the working state of the power amplifier if the transmitter is not a stray transmission source or the transmission stray does not meet the preset condition after the second adjusting module adjusts the notch frequency point of the first variable notch module.

9. The mobile terminal according to claim 7 or 8,

after the working state of the transmitter is adjusted, if the transmission spurious meets the preset condition, the second adjusting module adjusts the notch frequency point of the first variable notch module;

after the adjusting the operating state of the power amplifier, if the transmission spurious meets the preset condition, the second adjusting module adjusts the notch frequency point of the second variable notch module.

10. The mobile terminal of claim 8, wherein the determining sub-module comprises:

a first determining unit, configured to determine a first frequency point with a maximum stray transmission power of the mobile terminal;

the adjusting unit is used for adjusting the working state of the transmitter and acquiring a stray transmission power change value corresponding to the first frequency point;

and the second determining unit is used for determining that the transmitter is a stray emission source if the stray emission power change value corresponding to the first frequency point is greater than or equal to a preset power change value.

Technical Field

The present invention relates to the field of mobile terminal technologies, and in particular, to a method for improving transmission spurs and a mobile terminal.

Background

The transmission spurs of the mobile terminal sometimes affect the communication performance of the mobile terminal itself, for example, when the transmission spurs of the mobile terminal fall into the receiving frequency band of the mobile terminal, the communication performance of the mobile terminal itself is affected, and most of the transmission spurs of the mobile terminal affect other wireless devices, even interfere other wireless devices and cannot normally communicate. Therefore, the national radio commission regulates and controls the spectrum resources, the transmission spurs of the mobile terminals must meet the transmission spurs requirement of the national radio commission, so that the transmission spurs of the mobile terminals do not affect other systems or devices, and the mobile terminals cannot be listed if the transmission spurs of the mobile terminals do not meet the transmission spurs requirement of the national radio commission.

At present, when the mobile terminal leaves the factory, the producer can launch the spurious test to mobile terminal, when the test result is that mobile terminal's transmission is spurious and can not satisfy the transmission spurious requirement of national radio committee, the producer can only wait for professional engineer to carry out the analysis debugging to unsatisfied mobile terminal who requires one by one to make mobile terminal's transmission spurious satisfy the transmission spurious requirement of national radio committee, this transmission spurious problem that leads to debugging mobile terminal is long time and the debugging cost of labor is high.

Disclosure of Invention

The embodiment of the invention provides a method for improving transmission spurious and a mobile terminal, which aim to solve the problems of long transmission spurious debugging time and high debugging labor cost of the mobile terminal in the prior art.

In order to solve the technical problem, the invention is realized as follows: a method of improving transmit spurs for use in a mobile terminal comprising a transmitter, a power amplifier, a first variable notch module and a second variable notch module, the first variable notch module being coupled to an output of the transmitter and an input of the power amplifier, respectively, the second variable notch module being coupled to an output of the power amplifier, the method comprising:

adjusting the working state of the transmitter and/or the power amplifier under the condition that the mobile terminal has transmission stray;

and if the transmission stray does not meet the preset condition, adjusting the notch frequency point of the first variable notch module and/or the second variable notch module.

In a first aspect, an embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes a transmitter, a power amplifier, a first variable notch module and a second variable notch module, the first variable notch module is connected to an output end of the transmitter and an input end of the power amplifier, respectively, and the second variable notch module is connected to an output end of the power amplifier, and the mobile terminal further includes:

a first adjusting module, configured to adjust an operating state of the transmitter and/or the power amplifier when a transmission spur exists in the mobile terminal;

a second adjusting module, configured to adjust a notch frequency point of the first variable notch module and/or the second variable notch module if the transmission spur does not satisfy a preset condition.

In a second aspect, an embodiment of the present invention additionally provides a mobile terminal, including: a memory, a processor and a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, performs the steps of the method of improving a transmit spur as described above.

In a third aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the method for improving transmit spurs as described above.

In an embodiment of the present invention, a mobile terminal includes a transmitter, a power amplifier, a first variable notch module and a second variable notch module, the first variable notch module is connected to an output terminal of the transmitter and an input terminal of the power amplifier, respectively, and the second variable notch module is connected to an output terminal of the power amplifier. Therefore, under the condition that the mobile terminal leaves the factory and has transmission stray, the working state of the transmitter and/or the power amplifier can be automatically adjusted to improve the transmission stray of the mobile terminal, and when the transmission stray does not meet the preset conditions, such as the transmission stray requirement of the national radio commission, the notch frequency points of the first variable notch module and/or the second variable notch module are further automatically adjusted, the transmission stray of the mobile terminal is improved, the transmission stray of the mobile terminal meets the preset conditions as much as possible, a professional engineer is not needed to analyze and debug the mobile terminal which does not meet the requirements one by one, and the transmission stray problem time and the debugging cost of the debugging mobile terminal are greatly reduced.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.

FIG. 1 is a flow chart illustrating steps of a method for improving transmission spurs according to a first embodiment of the present invention;

FIG. 2 is a flowchart illustrating steps of a method for improving transmission spurs according to a second embodiment of the present invention;

fig. 3 is a schematic structural diagram of a mobile terminal according to a third embodiment of the present invention;

fig. 4 is a schematic structural diagram of a mobile terminal in a fourth embodiment of the present invention;

fig. 5 is a schematic hardware structure diagram of a mobile terminal according to a fifth embodiment of the present invention;

fig. 6 is a schematic diagram of a hardware structure of a radio frequency unit in a fifth embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.