Research and Implementation of Indoor Positioning Prototype Based on Wi-Fi

LI Zhen-ning; ZHANG Chun; LI Yong-ming; XIE Tuo; JIA Wen

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Research and Implementation of Indoor Positioning Prototype Based on Wi-Fi

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- Research and Implementation of Indoor Positioning Prototype Based on Wi-Fi
- Vol. 34, Issue 1, Pages: 90-94(2017)
- 作者机构：
  
  1. 清华大学微电子学研究所,北京,100084
  2. 深圳清华大学研究院机构,广东,深圳,518057
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2017
- 稿件说明：
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李振宁, 张春, 李永明, 谢拓, 贾雯. 基于Wi-Fi的室内定位原型机研究与实现[J]. 微电子学与计算机, 2017, 34(1): 90-94.

LI Zhen-ning, ZHANG Chun, LI Yong-ming, et al. Research and Implementation of Indoor Positioning Prototype Based on Wi-Fi[J]. 2017, 34(1): 90-94.
李振宁, 张春, 李永明, 谢拓, 贾雯. 基于Wi-Fi的室内定位原型机研究与实现[J]. 微电子学与计算机, 2017, 34(1): 90-94. DOI：

LI Zhen-ning, ZHANG Chun, LI Yong-ming, et al. Research and Implementation of Indoor Positioning Prototype Based on Wi-Fi[J]. 2017, 34(1): 90-94. DOI：

摘要

分析及对比了各种室内定位方法

为达到更高的定位精度

采用到达时间差法(TDOA)来定位.设计了基于Wi-Fi的室内定位原型机

采用NI公司的软件无线电平台USRP 2952R来实现.整个系统包括Wi-Fi协议的接收、时差测量和位置解算与显示.测试结果表明

能达到0.3 m的准确度和精度

以及每个位置1 s的刷新频率

满足了室内定位系统的需求.

Abstract

Various methods of indoor positioning systems are analyzed and compared in this paper. In order to achieve higher precision of positioning

the Time Difference of Arrival (TDOA) method is used for positioning. An indoor positioning prototype based on Wi-Fi is designed and its implemented by USRP 2952R Software Defined Radio (SDR) platform from NI. The whole system includes the receiving of Wi-Fi protocol

time difference calculation and position computation and display. The test results show that it could reach an accuracy and precision of 0.3 m

and the refresh rate for each point is 1 s

which could meet the requirement of indoor positioning system.

关键词

Keywords

references

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