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A Monitoring and Estimating Method for Heterogeneous Wireless Mesh Networks

A network and wireless technology, applied in the field of monitoring and estimation of heterogeneous wireless mesh networks, can solve problems such as the inability of Layer 2 protocols to communicate with each other.

Inactive Publication Date: 2016-01-20
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: to overcome the problem that the two-layer protocol of the heterogeneous wireless mesh network cannot communicate with each other, to solve the monitoring and fusion of network information in the heterogeneous wireless mesh network and the estimation and judgment of hidden / exposed terminals

Method used

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  • A Monitoring and Estimating Method for Heterogeneous Wireless Mesh Networks
  • A Monitoring and Estimating Method for Heterogeneous Wireless Mesh Networks
  • A Monitoring and Estimating Method for Heterogeneous Wireless Mesh Networks

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Embodiment Construction

[0027] The invention provides a monitoring and estimating method of a heterogeneous wireless network, which performs autocorrelation calculation on the information of each measuring node, obtains the strong correlation characteristic between the measuring information, and separates the information of each measured node. And the Kalman filter space-time fusion method is adopted to solve the geographical location difference of the measurement nodes and the asynchronous measurement information, so as to realize more accurate fusion judgment of the measured nodes; at the same time, the hidden and exposed terminals are identified through the correlation judgment strategy, which reduces the risk of measurement information. Probability of false detection.

[0028] In order to achieve the above object, the present invention will be described in further detail below according to the accompanying drawings and embodiments:

[0029] 1 Space-time fusion scheme of measurement data

[0030]...

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Abstract

The invention provides a method for monitoring and estimating an isomerous wireless mesh network. Information of each measured node is separated according to a high correlation property of measurement information of each measurement node. By a time and space fusion method, the problems of difference of geographical positions of the measurement nodes and asynchronous time of arrival of the measurement information are solved; fusion judgment of the measurement information is realized; furthermore, a target transmission network node in a duplex state is measured by adopting a physical frequency spectrum perception technology, so that a communication working pair in the isomerous wireless mesh network is monitored. A hidden / exposed terminal is identified according to the cross-correlation characteristic between the communication working pair through a correlation judgment strategy; and the misdetection probability of the measurement information is reduced.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a monitoring and estimation method of a heterogeneous wireless mesh network. Background technique [0002] A wireless mesh network is a self-organizing broadband network. While providing multi-hop connection links, it must also adapt to complex network environments, including wireless channel interference within and between networks. First of all, there is no information exchange and access control center inside the network, which makes it face the problem of "hidden terminal" and "exposed terminal". Physical channel "carrier sense" cannot solve logical channel conflicts; secondly, heterogeneous wireless mesh networks use It is difficult to monitor the interference between them. Therefore, as an ad hoc wireless mesh network, it is necessary to find other ways to obtain the internal working status of the network and the external wireless environment. [0003] At p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/08H04W84/18H04L29/08
Inventor 胡致远柏崧叶蕾杨家全苏适治学亮王晓翔黄东
Owner CHONGQING UNIV
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