Mobility

UHF-RFID-Based Localization Using Spread-Spectrum Signals

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Executive Summary

Determining the range between RFID tags and readers, particularly in the UHF region, is subject of current research topics. This paper presents a simulation-based approach, using spread-spectrum techniques to reckon the range between UHF RFID tags and a reader system. The UHFRFID reader reads out the surrounding tags within its reading range, with each tag containing information about its own location. Accordingly, the reader reads the location of each tag, hence being able to generate a basic map. To define the most likely position of the reader itself, it must estimate the distance to each of the RFID tags. This

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