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专利名称: 一种基于跳频技术的RSSI定位方法
其他题名: RSSI positioning method based on hopping technology
作者: 曾鹏; 肖金超; 何杰; 于海斌
所属部门: 工业控制网络与系统研究室
专利权人: 中国科学院沈阳自动化研究所
专利代理: 沈阳科苑专利商标代理有限公司 21002
专利国别: 中国
专利类型: 发明
专利状态: 公开
摘要: 一种基于跳频技术的RSSI定位方法。标定阶段,在固定点测量多个信道RSSI值,记录并计算RSSI测距模型中的测距参数;系统准备,部署定位锚节点,实现目标节点和锚节点的同步;在目标节点上分别使用多个信道进行通信获取RSSI值;信号处理阶段,将RSSI处理成信号强度幅值优化处理;定位阶段,在定位服务器上根据各个信号强度计算计算距离及目标节点位置。本发明解决了传统RSSI定位方法受限于信号多径传播、同频干扰、障碍物干扰及三边定位法计算坐标精度不高等因素,造成RSSI定位精度差,以至于无法满足实际生活的需要。
英文摘要: Disclosed is an RSSI positioning method based on hopping technology. The method comprises a first step of a calibration stage, in which, RSSI values of a plurality of channel are measured at fixed points and ranging parameters in an RSSI ranging model are recorded and calculated; a second step of system preparation, in which anchor nodes are deployed and positioned and target nodes and the anchor nodes are synchronized; a third step of the use of the plurality of channels for communication on the target nodes to acquire the RSSI values; a fourth step of a signal processing stage, in which the RSSI values are processed into signal strength amplitude values and are subjected to optimized processing; and a fifth step of a positioning stage, in which the distance and locations of the target nodes are calculated on a positioning server based on the strength of each signal. The invention solves the problems that a conventional RSSI positioning method is limited by signal multipath transmission, the same frequency interference, obstruction interference, low precision of calculated coordinates by using a trilateral positioning method and the like, and as a consequence, the RSSI positioning precision is so low that actual needs of life cannot be satisfied.
是否PCT专利:
申请日期: 2014-05-14
公开日期: 2015-11-25
专利申请号: CN201410204298.8
公布/公告号: CN105093177A
语种: 中文
产权排序: 1
内容类型: 专利
URI标识: http://ir.sia.cn/handle/173321/17305
Appears in Collections:工业控制网络与系统研究室_专利

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Recommended Citation:
曾鹏,肖金超,何杰,等. 一种基于跳频技术的RSSI定位方法. CN105093177A. 2015.
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