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| A Novel Design for RFID Anti-collision Technique |
| Liang Biao; Hu Ai-qun; Qin Zhong-yuan |
| Department of Radio Engineering, Southeast University, Nanjing 210096, China |
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Abstract In this paper, a novel slotted-ALOHA algorithm based on Code division is presented for solving the RFID anti-collision problems. Its advantage to the system throughput is analyzed based on its mathematical model and the condition for system’s stability is inferred as well. The theoretical and simulated results indicate that the stable scope of SC-ALOHA is broader than that of S-ALOHA and when N is the degree of spread spectrum codes used, the maximum throughput of SC-ALOHA might achieve N times that of S-ALOHA.
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Received: 26 June 2006
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2007, Vol. 29 
