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Interference signal suppression device and method for suppressing strong interference signals

A suppression device and interference signal technology, applied in the field of network communication, can solve problems such as strong interference in useful communication frequency bands, affecting communication quality, network call drop, etc., to achieve the effects of avoiding interference, ensuring communication, and realizing secondary filtering

Active Publication Date: 2020-08-04
广州开信通讯系统有限公司
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Problems solved by technology

Usually, passive devices are easier to meet the design requirements for the suppression of out-of-band 5MHz, 10MHz, etc., but when the frequency band to be suppressed is very close to the useful frequency band, such as out-of-band 2.5MHz, etc., it will cause interference with the useful communication frequency band. Strong interference, resulting in network call drop, or even unreachable situation, which seriously affects the communication quality

Method used

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  • Interference signal suppression device and method for suppressing strong interference signals
  • Interference signal suppression device and method for suppressing strong interference signals
  • Interference signal suppression device and method for suppressing strong interference signals

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0020] In addition, it should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another e...

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Abstract

The invention discloses an interference signal suppression device, which comprises a low noise amplifier module, a signal conversion module, a signal processing module and a power amplifier module. Inputted radio frequency signals are processed by the low noise amplifier module, the signal processing module and the signal conversion module and are then amplified and outputted by the power amplifier module. The signal conversion module is used for carrying out gain control on the signals inputted by the low noise amplifier module, carrying out first conversion processing on the signals after gain control, outputting the signals to the signal processing module, carrying out second conversion processing on the signals outputted by the signal processing module and outputting the signals to thepower amplifier module. The signal processing module is used for controlling the signal conversion module for gain control and carrying out gain compensation processing on the signals after first conversion processing. The invention also provides a method of suppressing strong interference signals. According to the device and the method disclosed in the invention, the communication quality of network communication equipment can be improved, the reliability of a communication system is improved, and the effect of expanding the application scenario of the communication system can be achieved.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to an interference signal suppression device and a method for suppressing strong interference signals. Background technique [0002] With the rapid development of communication technology, the spectrum resources for communication are becoming more and more tight. As the spectrum is used more and more intensively, duplexers, dielectric filters, etc. are usually used to suppress interference signals in specific frequency bands during spectrum use. Passive components are filtered. Usually, passive devices are easier to meet the design requirements for the suppression of out-of-band 5MHz, 10MHz, etc., but when the frequency band to be suppressed is very close to the useful frequency band, such as out-of-band 2.5MHz, etc., it will cause interference with the useful communication frequency band. Strong interference will cause network call drop, or even unreachable situation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/10H04B1/12
CPCH04B1/10H04B1/1027H04B1/123H04B2001/1045
Inventor 李国华杜小燕
Owner 广州开信通讯系统有限公司
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