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中文摘要：
提出一种在LANDMARC算法基础上进行定位区域细化的RFID室内定位算法（RDL）。首先对低成本、高精度的LAND-MARC算法进行简单分析,针对其计算中涉及过多无关参考标签和读卡器问题引入区域细化策略。算法利用对射频信号强度调制进行定位区域的细化,消除距离待定位标签较远的读卡器和参考标签对定位计算的影响。仿真结果表明,相比LANDMARC算法,该算法定位精度更高,定位误差的概率分布也更为合理。
英文摘要：
In this paper we present an RFID indoor location algorithm（RDL） which divides the location range based on LANDMARC algorithm.First,we make a simple analysis on the low-cost and high-accuracy LANDMARC algorithm,and then introduce the range dividing policy to resolve the problem of the algorithm that it involves too many unrelated reference tags and readers.Our method makes use of RF signal intensity modulation to divide location range,eliminates the impact of the reference tags and readers on locating calculation which are far from the target tag.Simulation result shows,compared with LANDMARC,our algorithm has higher accuracy and more reasonable probability distribution of locating error.
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