| 时隙ALOHA法在RFID系统防碰撞问题中的应用 |
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| 引用本文： | 胡建赟,李强,闵昊.时隙ALOHA法在RFID系统防碰撞问题中的应用[J].应用科学学报,2005,23(5):489-492. |
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| 作者姓名： | 胡建赟 李强 闵昊 |
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| 作者单位： | 复旦大学专用集成电路与系统国家重点实验室, 上海 200433 |
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| 基金项目： | 国家“863”高技术研究发展计划资助项目(2003AA1Z1280) |
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| 摘 要： | 时隙ALOHA法是射频识别(RFID)系统中常用的防碰撞算法,该文在分析RFID系统识别过程后引进马尔可夫链来为时隙ALOHA法建模,并根据此模型对时隙ALOHA法的性能进行分析,得到时隙数、RFID系统中所含的应答器数与识别成功率的关系,从而对实际应用提供理论指导.
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| 关 键 词： | 时隙ALOHA 防碰撞 射频识别 马尔可夫链 |
| 文章编号： | 0255-8297（2005）05-0489-04 |
| 收稿时间： | 2004-06-25 |
| 修稿时间： | 2004-06-252004-09-09 |
Application of Slotted ALOHA to Anti-collision of RFID System |
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| HU Jian-yun,LI Qiang,MIN Hao.Application of Slotted ALOHA to Anti-collision of RFID System[J].Journal of Applied Sciences,2005,23(5):489-492. |
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| Authors: | HU Jian-yun LI Qiang MIN Hao |
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| Institution: | State Key Laboratory of ASIC and System, Fudan University, Shanghai 200433, China |
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| Abstract: | Slotted ALOHA is a commonly used protocol in anti-collision of RFID system. Having analyzed RFID system's identification process, Markov chain is introduced to model the slotted ALOHA. The model is used to analyze performance of the slotted ALOHA, and find the relationship between success probability and number of slots and tags in the RFID system, providing a guide for practical applications. |
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| Keywords: | slotted ALOHA RFID anti-collision Markov chain |
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