基于天线高度的RSSI测距分析  

Analysis of RSSI-Based Distance Measurement at Different Antenna Heights

作　　者：金彦亮[1] 薛用[1] 张勇[1] 王欢[1] 谭立雄[1] 

机构地区：[1]上海大学特种光纤与光接入网省部共建重点实验室,上海200072

出　　处：《上海大学学报（自然科学版）》2012年第4期360-364,共5页Journal of Shanghai University:Natural Science Edition

基　　金：上海市重点学科建设资助项目(S30108);上海市科委重点实验室资助项目(08DZ2231100);上海市经信委重点资助项目(11CH-11)

摘　　要：无线通信中的天线发射功率、高度、角度和信号频率等因素对其接收信号强度(received signal strengthindication,RSSI)有很大的影响.通过大量的实验,分析探讨室内环境下天线高度对RSSI和测距精度的影响.实验结果证明,只要选择合适的天线高度,433 MHz无线信号用于室内测距是可行的.Transmitted power, the variation of received signal length and angle of antenna, and strength indication （RSSI）. By a signal frequency have much impact on large number of experiments in indoor environment, the influence of the antenna height on the RSSI and the ranging accuracy is analyzed. The results show that it is feasible for indoor ranging using 433 MHz wireless signal when the appropriate antenna height is selected.

关 键 词：无线传感器网络 基于接收信号强度的测距 天线高度 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]