Intelligent parking system based on RFID Qingye Chen Group 3
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e n t s Intelligent parking system n Basic concepts n Technology used in the IPS n Purpose & Challenges RFID n Principle n Application A RFID-based parking system n Framework n Collision n Anti-collision algorithm
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p a r k i n g s y The importance of anti-collision algorithm analysis: In a typical RFID system, a RFID reader remotely recognizes unique objects and ranging them by communicating with attached tags using a pre-defined algorithm. The task for the reader is required to identify tags as quickly as possible which causes tag responses to collide at the reader as multiple tags transmit simultaneously, when communicating over shared wireless channels. This tag collision problem hinders fast identification. As the reader can not recognize multiple tags simultaneously due to signal collisions, efficient and fast anti-collision algorithms are especially important in RFID systems.
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