UHF RFID Localization Based on Phase Map

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The Internet of Things (or IoT for short) [1] refers to uniquely identifiable objects and their virtual representations in an Internet-like structure. Nowadays, the IoT has become to the National Strategic. The basic technology of IoT is growing fast. A comprehensive real-time location system that used to tracking object in time is becoming more and more important. In this paper, a new RFID localization with passive UHF RFID-tags is presented. It is shown how persons of devices that are equipped with a RFID tag and can be tracked. The method is based on fingerprint and phase. We will find the position of the target object by two steps. First, we will calculate the first-order sub-region using SVM algorithm. Then using Dempster-Shafer theory with phase in different frequency will give us a more accurate position.

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1463-1466

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March 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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