Abstract
Because of the special nature of wireless sensor networks, data fusion process is vulnerable to attacks by the destroyer, which is useful for reducing the network communication overhead and improving the data transmission efficiency. Therefore, it is very essential to provide transmission with high security and low energy consumption for sensitive data fusion in wireless sensor network. In this paper, a data fusion algorithm of privacy protection based on Query of Server (Qos) and hierarchical multilayers was put forward, which divided the required privacy protection levels according to different safety requirements, and set up hierarchical network models. In data fusion process, delay constraint was added to guarantee service quality of Qos, and this would reduce energy consumption overhead. Meanwhile, it would guarantee the accuracy of the data and reduce the probability of the whole network information exposed.
Highlights
Wireless sensor network (WSN) data fusion technique has broad application prospects, which is one of the key technologies in the internet of things
Delay constraint was added to guarantee service quality of Query of Server (Qos), and this would reduce energy consumption overhead. It would guarantee the accuracy of the data and reduce the probability of the whole network information exposed.The main structure of this paper is as follows: the first part gives the current situation at home and abroad; the second part puts forward the system structure of data fusion in wireless sensor networks; the third part puts forward the multilayers hierarchically data fusion approach to privacy protection; the fourth part gives the using method of the Qos applied in multilayers hierarchically data to the privacy protection; the fifth part is the experiment of a modern vegetable planting base to validate the effectiveness of the method
We assume that Qos is a Time Delay (TiD), and node is assigned a Communication Delay (ComD) and a Fusion Delay (FusD)
Summary
Wireless sensor network (WSN) data fusion technique has broad application prospects, which is one of the key technologies in the internet of things. Delay constraint was added to guarantee service quality of Qos, and this would reduce energy consumption overhead It would guarantee the accuracy of the data and reduce the probability of the whole network information exposed.The main structure of this paper is as follows: the first part gives the current situation at home and abroad; the second part puts forward the system structure of data fusion in wireless sensor networks; the third part puts forward the multilayers hierarchically data fusion approach to privacy protection; the fourth part gives the using method of the Qos applied in multilayers hierarchically data to the privacy protection; the fifth part is the experiment of a modern vegetable planting base to validate the effectiveness of the method
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