1. 西安交通大学电子与信息工程学院
2. 西安交通大学智能网络与网络安全教育部重点实验室
纸质出版:2011
移动端阅览
李彬, 王文杰, 殷勤业, 等. 一种利用天线旋转的无线传感器网络定位算法[J]. 西安交通大学学报, 2011,(4):60-66.
针对无线传感器网络的低成本、低耗能以及准确定位的需求
提出了一种基于多普勒效应的射频干涉旋转定位算法(RRIPS).先利用设置在锚节点上的2个旋转天线发射相同频率的单频信号
产生多普勒效应
再由待测节点通过分析多普勒频率变化规律获得定位所需的距离信息
最终由待定位节点融合锚节点位于不同位置所测得的多组距离信息
从而获得自身的地理位置估计.与基于射频干涉的分布式节点定位方法(DRIPS)相比
RRIPS仅利用待定位节点的常规无线通信设备接收信号
无需与锚节点进行信息交互
算法简单
运算量小
复杂度低
能耗小.仿真实验表明
在信噪比为10dB时
RRIPS比DRIPS在定位精度上提高了1.5m.
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