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A method for resisting mobile phone radio frequency interference

A radio frequency interference and mobile phone technology, applied in the field of anti-interference, can solve problems such as increasing hardware costs, and achieve the effect of increasing costs without affecting the data refresh rate

Active Publication Date: 2018-06-29
CHIPSEA TECH SHENZHEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent application solves the interference problem between multiple radio frequency modules through shielding. It is necessary to sample multiple shielding structures to cover multiple radio frequency modules, which greatly increases the cost of hardware.

Method used

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  • A method for resisting mobile phone radio frequency interference
  • A method for resisting mobile phone radio frequency interference

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] Please refer to figure 2 As shown, the method of anti-radio frequency interference of mobile phones is mainly to judge whether the new data is valid data, if it is valid data, then output the data as the latest measurement value; otherwise discard it, and keep the last data as the current measurement value .

[0027] The specific control steps are:

[0028] Step S101: read in a new piece of measurement data, and subtract it from the latest effective value to obtain the difference, that is, the noise of the data.

[0029] Step S102: Compare whether the noise is smaller than the P-P noise....

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Abstract

The present invention discloses a method for resisting to mobile phone radio frequency interference. The method comprises the following steps: 101. reading new data in, obtaining a difference between the new data and last valid data, and comparing the difference with a preset noise threshold; 102. storing the new data in a big signal data sequence, and obtaining a difference between the new data and data in a last big signal data sequence; 103. updating the new data into a valid data sequence, and outputting the valid data sequence; and 104. discarding the new data, outputting an original valid data sequence, and ending determination on current data. The method disclosed by the present invention can suppress a radio frequency signal from a mobile phone in a targeted manner, especially interference from a GSM radio frequency signal, can be implemented by just using software, does not increase costs, and does not affect a data refresh rate.

Description

technical field [0001] The invention belongs to the technical field of anti-interference, and in particular relates to an anti-interference method for GSM signals of mobile phones. Background technique [0002] With the popularization of smart phones, mobile phone interference is ubiquitous, especially after the rise of smart hardware, more and more hardware devices need to be used in conjunction with mobile phones, so the chance of interference is greater. For some equipment with high-precision measurement functions, such as sphygmomanometers and weighing instruments, which are more common in daily life, mobile phone interference seriously affects its measurement accuracy, so it is necessary to design anti-mobile phone interference. [0003] The traditional anti-interference design is generally aimed at broad-spectrum radio frequency interference. The countermeasures include hardware and software. For example, adding an RC low-pass filter to the hardware to filter out high-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/3827
CPCH04B1/3838
Inventor 李晓
Owner CHIPSEA TECH SHENZHEN CO LTD
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