Improving Positioning Algorithm Based on RSSI

被引：26
|
作者：
Ding, Xinhui [1 ]
Dong, Shi [1 ]
机构：
[1] Zhoukou Normal Univ, Sch Comp Sci & Technol, Zhoukou 466001, Peoples R China
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2020年 / 110卷 / 04期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
ZigBee; CC2530; RSSI; Wireless sensor network; Positioning technology; LOCALIZATION;
D O I：
10.1007/s11277-019-06821-0
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Nowadays, a large number of positioning studies based on RSSI technology mainly focused on the coordinate position by measuring the distance using the certain algorithm. The difference between calculated distance and real distance became rather lager due to the poor solution to improve the impact of environment to RSSI, and the bad repeatability. Resulting in the inaccuracy of positioning. According to the RSSI distance measurement technology and Zigbee communication technology, this paper investigated the distance between the unknown node and anchor node based on the "RSSI-Distance". As the distance was less than 10 m or not, the position can be calculated by the "Mini-Max Positioning Method" or "Maximum Likelihood Estimation Method", respectively. The results showed that this accuracy of this positioning system can be limited within 3 m.
引用
收藏
页码：1947 / 1961
页数：15
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