基于载波相位的高精度室内快速定位算法

范绍帅; 荣志强; 田辉; 李立华

doi:10.11959/j.issn.1000-436x.2022017

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基于载波相位的高精度室内快速定位算法

学术论文 | 更新时间：2024-06-05

- 基于载波相位的高精度室内快速定位算法
- High-precision indoor fast positioning algorithm based on carrier phase
- 通信学报 2022年43卷第1期页码：172-181
- 作者机构：
  
  北京邮电大学网络与交换技术国家重点实验室，北京 100876
- 作者简介：
  
  [ "范绍帅（1987- ），男，山东烟台人，博士，北京邮电大学讲师，主要研究方向为B5G组网及关键技术" ]
  [ "荣志强（1997- ），男，天津人，北京邮电大学硕士生，主要研究方向为载波相位定位技术、协作定位技术" ]
  [ "田辉（1963- ），女，河南郑州人，博士，北京邮电大学教授、博士生导师，主要研究方向为自组织网络、无线资源管理" ]
  [ "李立华（1976- ），女，天津人，博士，北京邮电大学教授、博士生导师，主要研究方向为新一代宽带移动通信理论与关键技术、星地融合接入及传输技术，包括同步、随机接入、大规模MIMO等" ]
- 基金信息：
  
  国家自然科学基金资助项目(62071068)
- DOI：10.11959/j.issn.1000-436x.2022017
  中图分类号： TN92
- 网络出版日期：2022-01，
  
  纸质出版日期：2022-01-25
- 稿件说明：
移动端阅览
范绍帅, 荣志强, 田辉, 等. 基于载波相位的高精度室内快速定位算法[J]. 通信学报, 2022,43(1):172-181.

Shaoshuai FAN, Zhiqiang RONG, Hui TIAN, et al. High-precision indoor fast positioning algorithm based on carrier phase[J]. Journal on communications, 2022, 43(1): 172-181.
范绍帅, 荣志强, 田辉, 等. 基于载波相位的高精度室内快速定位算法[J]. 通信学报, 2022,43(1):172-181. DOI： 10.11959/j.issn.1000-436x.2022017.

Shaoshuai FAN, Zhiqiang RONG, Hui TIAN, et al. High-precision indoor fast positioning algorithm based on carrier phase[J]. Journal on communications, 2022, 43(1): 172-181. DOI： 10.11959/j.issn.1000-436x.2022017.

摘要

为了提高室内无线环境下定位的精度以及位置解算的速度，提出了一种基于载波相位的高精度室内快速定位算法。该算法通过引入参考终端，利用待定位终端和参考终端载波相位测量值间的双重差分完全消除了设备间钟差对定位算法精度的影响。利用锁相环不失锁期间整周模糊度不变的特性，设计了一种基于多时间点测量数据的整周模糊度迭代解算算法，实现了整周模糊度的快速解算。在解算出整周模糊度后，利用精确的载波相位差分测量值可以实现待定位终端的高精度定位。仿真结果表明，所提定位算法可以完全克服钟差对定位性能的影响，并且能够在极少的采样时间点上实现厘米级的定位精度。

Abstract

In order to improve the positioning accuracy and the speed of position solution in indoor wireless environment

a high-precision indoor fast positioning algorithm based on carrier phase was proposed.By introducing the reference terminal

the influence of clock error between devices on the accuracy of the positioning algorithm was completely eliminated by using the double difference between the carrier phase measurements of the terminal to be positioned and the reference terminal.Taking advantage of the invariability of integer ambiguity during the phase-locked loop lock-off

an iterative integer ambiguity resolution algorithm based on multi-time point measurement data was designed

and the fast integer ambiguity resolution was realized.After the integer ambiguity was solved

the terminal to be located could be located with high precision by using accurate carrier phase difference measurement.The simulation results show that the positioning algorithm proposed can completely overcome the influence of clock error on positioning performance

and can achieve centimeter-level positioning accuracy at very few sampling time points.

关键词

Keywords

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