White Papers

Assessing and Optimizing the Range of UHF RFID to Enable Real-World Pervasive Computing Applications

Overview Radio Frequency Identification (RFID) may be used to automatically detect, locate and/or identify objects, making it an ideal candidate for many pervasive computing applications. As RFID technology improves in terms of cost and performance, it is increasingly being explored in a variety of applications, ranging from eldercare through to the smart supply chain. However, while passive UHF RFID has many benefits over other RFID variants, reliable operation as the tag moves in the environment is inherently difficult to predict and can represent a significant challenge. This paper presents a novel and practical experimental method called attenuation-thresholding which may be used to characterize the operating range of such RFID systems. The results presented demonstrate the advantages of the method over the conventional read-rate approach.

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Publisher: Springer Science+Business Media
File Format: PDF
Date Published: Apr 15, 2009
Format: White Papers
Topics: RFID, Mobile - Wireless Communications

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