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A wireless sensor network data collection method and system

A wireless sensor and network data technology, applied in the direction of wireless communication, network topology, electrical components, etc., can solve the problems of inflexibility, increased data transmission volume, and many energy resources, so as to ensure robustness and reliability, reduce Energy consumption, the effect of improving overall performance

Active Publication Date: 2016-06-01
无锡感知金服物联网科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The former collects a large amount of data and can realize accurate monitoring, but the amount of data transmission increases accordingly, and the transmission consumes more energy resources, which generally reduces the service life of the WSN network with limited energy resources.
The latter processes the collected data, reduces the amount of data transmission, and prolongs the service life of the WSN network, but cannot achieve accurate monitoring
It can be seen that the existing technology does not have flexibility, and there is a problem of "concerning one thing and losing another", and cannot take into account the requirements of monitoring accuracy and prolonging the service life of the network.

Method used

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  • A wireless sensor network data collection method and system
  • A wireless sensor network data collection method and system
  • A wireless sensor network data collection method and system

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Embodiment 500

[0067] See Figure 5 This figure shows a structural block diagram of a WSN data collection system according to an embodiment of the application. The system embodiment 500 includes:

[0068] An acquiring unit 501 for acquiring hop count information of a wireless sensor network node, a forwarding unit 502 for forwarding data packets, a first judging unit 503 for judging the size of a node's hop count, and a modulo L for data collected by a node The superposition unit 504 superimposed on the data packet, the L is the adopted data base, and the parsing unit 505 for parsing the data packet based on the compressed sensing theory, then:

[0069] After the current node that receives the data packet determines that the number of hops is not less than the previous node through the judging unit, it calls the superimposition unit to superimpose the data collected by itself to the data packet, and calls the forwarding unit to forward the superimposed data packet to the next node, looping Call...

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Abstract

The embodiment of the invention discloses a method for collecting network data of a wireless sensor. The method comprises the following steps: hop count information of a network node of the wireless sensor is acquired; after receiving a data packet transmitted by a previous node, a current node with the hop count which is not smaller than that of the previous node superimpose self collected data onto the data packet by taking the L as a model, and then sends the superimposed data packet to next node, the steps are executed in a repeated manner until the next node is an aggregation node; the data packet carries node collected data, and the L is data system adopted; and after the aggregation node receives the data packet, the data packet is analyzed on the basis of compressed sensing theory to obtain data collected by all nodes. The embodiment of the invention further discloses a system for collecting network data of the wireless sensor. The embodiment of the invention takes the requirements on the two aspects of monitoring accuracy and prolonging network service life into consideration.

Description

Technical field [0001] This application relates to the technical field of wireless sensor networks, and in particular to a wireless sensor network data collection method and corresponding systems. Background technique [0002] The wireless sensor network (wireless sensor network, WSN) is composed of a large number of cheap micro sensor nodes deployed in the monitoring area and the fusion center (SINK node, also known as the sink node) at the core of the network. A multi-hop self-contained network is formed through wireless communication. Organization's network system. WSN networks are widely used in environmental monitoring, forest fire prevention, military applications and other fields. In order to monitor the monitoring area, it is necessary to collect a large amount of information of the monitored object through the deployed sensor nodes. This information is transmitted node by node to the fusion center of the WSN network, and the fusion center displays the collected WSN data...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W84/18
Inventor 何风行马润泽吕政余志军沈杰邢涛刘海涛
Owner 无锡感知金服物联网科技有限公司
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