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Recent years the smart home has been accepted and used in home environment widely. Moreover, with the expansion of Internet of things, smart home is challenging of remote access and control. In this paper, we propose a smart home monitoring system which supports data transmission between local ZigBee network and remote Internet network. The home gateway is designed based on a TI chip LM3S9B96 and...
under a set of assumptions, Maximum likelihood estimation method is analyzed and simulated to make wireless sensor network's localization more accurate. The result shows that, the range error between the anchor node (we call it the reference node) and the unknown node contained in the nth equation (we call it the reference equation) and the position of the reference node has significant impact on...
Computer simulation is a kind of experiment technology by utilizing the computer software to simulate real world. With the development of computer hardware and software and virtual reality technology, computer simulation is widely used in the manufacturing industry. In this paper the principle and the algorithm of solid modeling by virtual simulation machining are introduced. Taking the gear and the...
LBS provide users with highly personalised information accessible by means of a variety of mobile devices that are able to locate themselves. Nevertheless, the wide deployment of LBS can jeopardise the privacy of their users, so ensuring user privacy is paramount to the success of those services. This article focuses on finding a new safe and efficient scheme to prevent LBS server or other users in...
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