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An Improved Anti-collision Algorithm Based on Frame-slotted ALOHA in RFID System

Jin Hui-fe

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Abstract

The anti-collision algorithm is the key technology of RFID system. In order to solve the shortcomings of ALOHA algo-rithm, this paper proposes an improved anti-collision algorithm based on frame-slotted ALOHA algorithm. The probability of collision is reduced and the tag identification speed increases with the proposed algorithm. Through a series of simulation, it is proved that the proposed algorithm by this paper is more efficient than the typical ALOHA method.

About this research paper

What this paper is about

The anti-collision algorithm is the key technology of RFID system. In order to solve the shortcomings of ALOHA algo-rithm, this paper proposes an improved anti-collision algorithm based on frame-slotted ALOHA algorithm. The probability of collision is reduced and the tag identification speed increases with the proposed algorithm. Through a series of simulation, it is proved that the proposed algorithm by this paper is more efficient than the typical ALOHA method.

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Available abstract

The anti-collision algorithm is the key technology of RFID system. In order to solve the shortcomings of ALOHA algo-rithm, this paper proposes an improved anti-collision algorithm based on frame-slotted ALOHA algorithm. The probability of collision is reduced and the tag identification speed increases with the proposed algorithm. Through a series of simulation, it is proved that the proposed algorithm by this paper is more efficient than the typical ALOHA method.

Key concepts: Aloha, Computer science, Collision, Frame (networking), Algorithm, Collision problem, Key (lock), Real-time computing

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