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Method for identifying multipoint cooperation interference in different space positions

A technology of interference identification and multi-point cooperation, applied in transmission monitoring, electrical components, wireless communication, etc., can solve the problems of inaccurate detection and identification of single-node interference, and the inability to adapt to changing electromagnetic environments with a single power-on identification. The effect of the communication effect

Active Publication Date: 2015-04-08
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is the inaccurate detection and identification of single-node interference caused by occlusion and channel fading, and the inability to adapt to the changing electromagnetic environment for single identification after power-on

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  • Method for identifying multipoint cooperation interference in different space positions
  • Method for identifying multipoint cooperation interference in different space positions
  • Method for identifying multipoint cooperation interference in different space positions

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Embodiment Construction

[0024] Below, combine Figure 1 to Figure 6 The present invention is described further:

[0025] A multi-point cooperative interference identification method at different spatial locations, assuming that there is a convergence node that can perform information fusion, each node can accurately converge the detection and identification information to the convergence node, and then perform interference identification results fusion at the convergence node, schematic diagram Such as figure 1 shown.

[0026] (1) Start to work, and each node used to detect the interference signal detects the interference signal separately. When detecting, the entire available frequency band is divided into multiple channels that can be detected, and each node detects each channel in the order of frequency from low to high. Carry out energy detection in sequence;

[0027] This method is to perform interference detection and identification on an available frequency band of a wide band, and a bandwi...

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Abstract

The invention discloses a method for identifying multipoint cooperation interference in different space positions. According to the method, information fusion is conducted on interference detection results of a plurality of nodes to acquire accurate parameters of interference signals. Firstly, channelization is conducted on the whole usable frequency band to form a plurality of sub-frequency bands capable of being detected, and initial identification is carried out after energy detection to acquire single-node identification results; then, identification results of a plurality of nodes in different space positions are mixed to carry out cooperation identification, and accordingly parameters like frequency, bandwidths and strength of the interference signal are acquired.

Description

technical field [0001] The invention belongs to the interference identification technology in the technical field of wireless communication, and relates to local interference identification, interference information selection and transmission, interference information fusion judgment and the like. Background technique [0002] In a complex electromagnetic environment, there are a lot of intentional and unintentional interference, and the interference changes with time. The real-time and accuracy of the identification results during the entire communication process cannot be guaranteed by a single interference detection at startup. Therefore, interference identification must be performed periodically to correct the communication frequency and rate. [0003] Due to the problems of occlusion and channel fading in the interference identification of a single node, the interference identification results of each node are inaccurate: some nodes cannot detect interference due to occ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/345H04W24/00
Inventor 王荆宁何占林
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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