Method for controlling and dispatching congestion of WSN (wireless sensor network) for collection of cargo information of airport cargo station

A technology for network congestion and cargo information, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as unfair bandwidth allocation, reduce packet loss rate, improve reliability and real-time performance, and avoid network congestion Effect

Active Publication Date: 2018-05-15
CIVIL AVIATION UNIV OF CHINA
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  • Abstract
  • Description
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Problems solved by technology

[0008] In addition to the above three main types of network congestion control algorithms, there are also some algorithms that take into account the unfairness of bandwidth allocation between nodes with different transmission distances from the Sink node.

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  • Method for controlling and dispatching congestion of WSN (wireless sensor network) for collection of cargo information of airport cargo station
  • Method for controlling and dispatching congestion of WSN (wireless sensor network) for collection of cargo information of airport cargo station
  • Method for controlling and dispatching congestion of WSN (wireless sensor network) for collection of cargo information of airport cargo station

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Embodiment Construction

[0062] The WSN network congestion control scheduling method for airport cargo terminal cargo information collection provided by the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0063] The WSN network congestion control dispatching method oriented to airport cargo station cargo information collection provided by the present invention includes the following steps carried out in order:

[0064] Step 1) First, group the cargo information of the airport cargo station, assign different initial weights to different information groups, and then dynamically adjust the priority of the information groups according to the different sending cycles, and form information from large to small according to the priority Packet sending queue, giving priority to sending information packets at the head of the sending queue, that is, higher priority;

[0065] Specific steps are as follows:

[0066] Step 1.1) According ...

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Abstract

The invention relates to a method for controlling and dispatching congestion of a WSN (wireless sensor network) for collection of cargo information of an airport cargo station. The method comprises the following steps of grouping the cargo information of the airport cargo station, and giving initial weight and sending cycle; using a slide window to control the size of the information group; building a candidate node selection model, then adopting a multi-attribute decision algorithm to select flow distribution nodes which are suitable for the next jump, selecting the optimum flow distributionnode from the flow distribution nodes, and establishing a flow distribution transmission path, so as to distribute the flow rate during congestion of the network. The method for controlling and dispatching the congestion of the WSN for collection of cargo information of the airport cargo station has the advantages that the reliability and real-time performance in information transmission are effectively improved and ensured, and the packet loss probability in information transmission is decreased.

Description

technical field [0001] The invention belongs to the technical field of cargo information collection at airport cargo stations, and in particular relates to a WSN network congestion control scheduling method for cargo information collection at airport cargo stations. Background technique [0002] Air logistics transportation is an efficient modern transportation mode. In recent years, the turnover of air logistics transportation in my country has increased year by year, and it has become one of the most important transportation methods in modern times. In this case, the traditional way of manually processing cargo information at airport cargo transfer stations can no longer meet the current industry needs. How to efficiently complete the information collection, transmission and management of massive airport cargo is an urgent problem to be solved at present. [0003] As a new technology, wireless sensor network has been gradually applied to daily production and life in recen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/801H04L12/851
CPCH04L47/10H04L47/127H04L47/24
Inventor 李国吴长锋丁建立李永华王家亮王怀超
Owner CIVIL AVIATION UNIV OF CHINA
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