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Method and system capable of filtering adjacent frequency range interference

A frequency band and filtering technology, which is applied in the field of filtering out interference in adjacent frequency bands, to achieve the effect of avoiding mutual interference

Active Publication Date: 2013-03-20
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the prior art, there is no method for applying reconfigurable antennas to solve the mutual interference of adjacent frequency bands

Method used

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  • Method and system capable of filtering adjacent frequency range interference
  • Method and system capable of filtering adjacent frequency range interference
  • Method and system capable of filtering adjacent frequency range interference

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Embodiment Construction

[0027] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. 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.

[0028] figure 1 is a flow chart of a method for filtering adjacent frequency band interference according to an embodiment of the present invention, such as figure 1 As shown, the method mainly includes the following steps (step S102-step S104):

[0029] Step S102, the radio frequency micro-electromechanical system (RF MEMS) switch control module receives the first transmission coupling signal from the first frequency band radio frequency module and the second reception coupling signal from the second frequency band radio frequency module, wherein the first frequency band radio frequency module works in On the first frequency band, the second frequency band radio frequency module works on the second...

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Abstract

The invention discloses a method and a system capable of filtering adjacent spectrum interference. The method comprises a radio frequency (RF) micro-electromechanical system (MEMS) switch control module receives a first sending coupling signal from a first frequency range radio frequency module and a second receiving coupling signal from a second frequency range radio frequency module. The RF MEMS switch control module judges whether interference exists between a first frequency range and a second frequency range according to the first sending coupling signal and the second receiving coupling signal, under the condition of a negative result of the judgment, the RF MEMS switch control module can filter the interference by means of changing a first antenna structure by indicating a first frequency range RF MEMS radio frequency reconfigurable antenna working in the first frequency range and / or changing a second antenna structure by indicating a second frequency range RF MEMS radio frequency reconfigurable antenna working in the first frequency range. By the method and the system capable of filtering adjacent spectrum interference, the adjacent frequency range is achieved to be capable of existing on hardware and the effect caused by an interacting phenomenon is effectively avoided.

Description

technical field [0001] The present invention relates to the field of communications, in particular to a method and system for filtering out interference in adjacent frequency bands. Background technique [0002] The vigorous development of the wireless communication field has made our spectrum resources more and more tight. How to make full use of spectrum resources in a narrow spectrum space without interfering with other frequency bands has become the focus of everyone's attention. From the perspective of hardware, solutions that can avoid mutual interference can be roughly divided into the following two types: [0003] (1) A method to improve the isolation of adjacent frequency bands. This method requires an antenna system with high isolation to filter out sideband interference, but in actual design, it is not an easy task to design an antenna system with high isolation and ultra-wideband characteristics. In addition, sometimes it is necessary to add filters with excell...

Claims

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Application Information

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IPC IPC(8): H04B1/12H04B1/50H01Q5/00
CPCH01Q5/00H04B1/1036H04B1/0064H04B1/50H01Q1/521H04B1/109H04B1/123
Inventor 刘藤
Owner ZTE CORP
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