Research on Location Privacy Protection Methods of Wireless Sensor Network in Smart Grid

With the development of electric power, communication, network and sensor technology, the applications of wireless sensor network in smart grid will be more extensive. However, the privacy issues of wireless sensor network will also be more obvious with variety of applications, if we do not take appropriate measures to protect the privacy of the network, network security and availability will be greatly reduced. This article discussed the location privacy protection issues of wireless sensor networks in smart grid. Firstly, we gave a brief introduction to the concept of wireless sensor network and its application in the smart grid, and we pointed out the privacy issues of wireless sensor network Secondly, we described location privacy protection issues in wireless sensor network, and then we gave the attacker models. Thirdly, we described several location privacy protection technologies of source nodes and sink nodes, and their performance was analyzed and compared. Finally, we gave some suggestions on the concern in location privacy preservation technologies of wireless sensor network in smart grid. This study shows that existing location privacy protection methods can protect location privacy of key nodes at a certain degree, but they can not completely make the network to meet low energy consumption, long safety time, low latency and high packet receiving rate. How to design a more efficient location privacy protection method is the focus issue in future research.