Memory-Efficient Anti-Collision Algorithm in RFID system

Name: Memory-Efficient Anti-Collision Algorithm in RFID system
Brand: VDM Verlag
SKU: 9783639326024
Price: 254.63 RON
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Autor: Md.Razu Ahmed

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Radio Frequency Identification (RFID) systems have come out as an attractive solution for object ide...

Informații despre carte

Autor

Md.Razu Ahmed

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2011

Pagini

EAN

9783639326024

ISBN

3639326024

Enbook ID

06839368

Editura

VDM Verlag

Greutate

142

Dimensiuni

156 x 226 x 6

Descriere completă

Radio Frequency Identification (RFID) systems have come out as an attractive solution for object identification by using radio frequency transmission.An anti-collision algorithm provides a method for an RFID reader to identify multiple tags at the same time. The query tree (QT) anti-collision algorithm based on the ISO 15693 standard is considered in this book. This al-gorithm requires the reader to repeatedly send a request command containing a mask. Only tags whose unique identification numbers (UIDs) match this mask respond to the reader. The mask length varies from 1 bit at the top of the query tree to the maximum of 64 bits, which is the length of a UID. ISO 15693 specifies the reader to store all masks in a memory stack as the QT algorithm proceeds. This implementation is inefficient since it requires a considerably large amount of memory for the reader implementation. An algorithm compatible with the memory constraint of the microcontroller is developed to store only the current mask with the capability to trace back all the masks previously stored in the memory stack. It can be used in a practical reader implementation especially when the memory size is limited.

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Memory-Efficient Anti-Collision Algorithm in RFID system

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