计算机科学 ›› 2014, Vol. 41 ›› Issue (12): 67-69.doi: 10.11896/j.issn.1002-137X.2014.12.015
夏静满,肖国强,陈凯,詹春梅
XIA Jing-man,XIAO Guo-qiang,CHEN Kai and ZHAN Chun-mei
摘要： 为提高射频识别系统中电子标签防碰撞算法的识别效率,提出了一种结合精确标签估计和混合溢出树搜索的帧时隙ALOHA算法。算法将识别过程分为标签估计和标签识别两个阶段。在标签估计过程中,通过精确估计标签数量来对初始帧时隙大小进行优化。在标签识别阶段,利用改进的混合溢出树搜索算法对时隙内的碰撞标签进行快速识别。实验结果表明,该算法能够有效地改善射频识别的防碰撞性能,提高RFID系统的标签识别效率。
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