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- Title
Improvements on Tags Anti-Collision Algorithm in RFID System.
- Authors
Wenqiang Zhu; Aijun Zhang
- Abstract
To improve the performance of the identification speed and the reliability in RFID system with large intensive tags, an improved tag anti-collision algorithm based on CSMA is proposed in this paper. The proposed model adopts the principle of the first arrival tag occupies channel and transmits packets in the next idle slot when the detected channel is idle, otherwise, adjusts the back-off time according to the collision times. Hence, the channel conflict caused by listening misjudgment is eased and propagation delay is reduced efficiently. Based on the Markov chain analysis, the simulation results show that the anti-collision algorithm proposed in this paper has higher recognition precision than the traditional algorithm.
- Subjects
RADIO frequency identification systems; MARKOV processes; ALGORITHMS; RELIABILITY in engineering
- Publication
Engineering Letters, 2019, Vol 27, Issue 4, p1
- ISSN
1816-093X
- Publication type
Article