基于时变钟差消除的室内载波相位定位算法

范绍帅; 荣志强; 田辉; 李立华; 秦晓琦

doi:10.11959/j.issn.1000-436x.2021164

您当前的位置：

首页 >

文章列表页 >

基于时变钟差消除的室内载波相位定位算法

学术论文 | 更新时间：2024-06-05

- 基于时变钟差消除的室内载波相位定位算法
- Indoor carrier phase positioning algorithm based on time-varying clock error elimination
- 通信学报 2021年42卷第9期页码：165-172
- 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5G及后5G组网及关键技术、智能信息处理及网络自组织技术、高精度定位技术" ]
  [ "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，主要研究方向为先进移动通信系统及无线网络技术" ]
  [ "李立华（1976− ），女，天津人，博士，北京邮电大学教授，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" ]
  [ "秦晓琦（1988− ），女，北京人，博士，北京邮电大学讲师，主要研究方向为下一代无线网络基础理论及性能分析、智能化物联网中基于信息价值的通信、计算资源优化策略与算法设计" ]
- 基金信息：
  
  国家自然科学基金资助项目(61801044);国家自然科学基金资助项目(61801045)
- DOI：10.11959/j.issn.1000-436x.2021164
  中图分类号： TN92
- 网络首发：2021-09，
  
  纸质出版：2021-09-25
- 稿件说明：
移动端阅览
范绍帅, 荣志强, 田辉, 等. 基于时变钟差消除的室内载波相位定位算法[J]. 通信学报, 2021,42(9):165-172.

Shaoshuai FAN, Zhiqiang RONG, Hui TIAN, et al. Indoor carrier phase positioning algorithm based on time-varying clock error elimination[J]. Journal on Communications, 2021, 42(9): 165-172.
范绍帅, 荣志强, 田辉, 等. 基于时变钟差消除的室内载波相位定位算法[J]. 通信学报, 2021,42(9):165-172. DOI： 10.11959/j.issn.1000-436x.2021164.

Shaoshuai FAN, Zhiqiang RONG, Hui TIAN, et al. Indoor carrier phase positioning algorithm based on time-varying clock error elimination[J]. Journal on Communications, 2021, 42(9): 165-172. DOI： 10.11959/j.issn.1000-436x.2021164.

摘要

针对室内无线环境下传统定位算法定位精度不高以及系统时钟不同步影响定位精度等问题，提出一种基于三差分载波相位测量与到达时间差（TDoA）融合的三维定位算法。考虑到无线接入点之间存在的时变钟差会导致定位精度变低，所提算法结合参考终端测量来消除时变钟差的影响，基于三差分载波相位测量进行相对位置的精确估计，并将其与具有无偏性的差分TDoA定位结果进行融合粗估计。进一步通过泰勒展开方法对载波相位观测方程线性化，并通过解算整周模糊度实现更高精度的定位。仿真结果表明，所提算法可以克服时变钟差对定位性能的影响，并能在短时间内完成整周模糊度解算，最终可实现高精度定位。

Abstract

To solve the problems of low positioning accuracy of traditional positioning algorithm and unsynchronized system clock in indoor wireless environment

a 3D positioning algorithm was proposed based on the fusion of triple-differential carrier phase measurements and time difference of arrival (TDoA) positioning.Considering that the time-varying clock offsets between wireless access points lead to lower positioning accuracy

the measurements from a reference terminal were used to eliminate the influence of time-varying clock offsets.The relative positions were estimated based on triple-differential carrier phase measurements

which were fused with unbiased differential TDoA positioning results to obtain the interim estimated positions.Furthermore

the carrier phase observation equations were linearized by Taylor expansion method

and the high-accuracy positioning was realized by solving the integer ambiguities.Simulation results show that the proposed algorithm eliminates the influence of time-varying clock offsets on positioning performance

and the integer ambiguities are resolved in a short time to achieve high-accuracy positioning.

关键词

Keywords

references

3GPP . Procedures for the 5G system (5GS) (release 16):TS 23.502 [S ] . 2020 .

3GPP . Unmanned aerial system (UAS) support in 3GPP:TS 22.125 [S ] . 2020 .

3GPP . Study on NR positioning enhancements:TS 38.857 [S ] . 2021 .

LE T K , ONO N . Closed-form and near closed-form solutions for TOA-based joint source and sensor localization [J ] . IEEE Transactions on Signal Processing , 2016 , 64 ( 18 ): 4751 - 4766 .

姜志鹏 , 陈正宇 , 刘影 , 等 . TOA定位算法非线性优化问题研究 [J ] . 传感技术学报 , 2015 , 28 ( 11 ): 1716 - 1719 .

JIANG Z P , CHEN Z Y , LIU Y , et al . Study on nonlinear optimization for TOA location algorithm [J ] . Chinese Journal of Sensors and Actuators , 2015 , 28 ( 11 ): 1716 - 1719 .

张令文 , 谈振辉 . 基于泰勒级数展开的蜂窝 TDOA 定位新算法 [J ] . 通信学报 , 2007 , 28 ( 6 ): 7 - 11 .

ZHANG L W , TAN Z H . New TDOA algorithm based on Taylor series expansion in cellular networks [J ] . Journal on Communications , 2007 , 28 ( 6 ): 7 - 11 .

YANG K , AN J P , BU X Y , et al . Constrained total least-squares location algorithm using time-difference-of-arrival measurements [J ] . IEEE Transactions on Vehicular Technology , 2010 , 59 ( 3 ): 1558 - 1562 .

LI W C , WANG L , XIAO M L , et al . Closed form solution for 3D localization based on joint RSS and AOA measurements for mobile communications [J ] . IEEE Access , 2019 , 8 : 12632 - 12643 .

WANG Y , HO K C . Unified near-field and far-field localization for AOA and hybrid AOA-TDOA positionings [J ] . IEEE Transactions on Wireless Communications , 2018 , 17 ( 2 ): 1242 - 1254 .

LU J Y . A new indoor location algorithm based on radio frequency fingerprint matching [J ] . IEEE Access , 2020 , 8 : 83290 - 83297 .

KIM H , PARK C , CHO Y , et al . A study on a Ratiometric GPS Iteration algorithm for indoor localization [C ] // 2012 7th International Conference on Computing and Convergence Technology (ICCCT) . Piscataway:IEEE Press , 2012 : 32 - 35 .

3GPP . Discussion of potential techniques for NR positioning:R1-1810532 [S ] . 2018 .

CHEN X , WANG D , YIN J X , et al . Performance analysis and dimension-reduction Taylor series algorithms for locating multiple disjoint sources based on TDOA under synchronization clock bias [J ] . IEEE Access , 2018 , 6 : 48489 - 48509 .

WU J , TANG X M , NI S J , et al . The effect of GNSS receiver clock biase on double differenced carrier phase measurement [C ] // 2016 5th International Conference on Computer Science and Network Technology (ICCSNT) . Piscataway:IEEE Press , 2016 : 762 - 766 .

JEAN O , WEISS A J . Convex joint emitter localization and passive sensor network synchronization [C ] // 2012 IEEE 7th Sensor Array and Multichannel Signal Processing Workshop (SAM) . Piscataway:IEEE Press , 2012 : 201 - 204 .

JEAN O , WEISS A J . Passive localization and synchronization using arbitrary signals [J ] . IEEE Transactions on Signal Processing , 2014 , 62 ( 8 ): 2143 - 2150 .

陈辉 , 熊辉 , 殷昌盛 , 等 . 基于无线传感器网络时钟同步的定位算法研究 [J ] . 现代电子技术 , 2015 , 38 ( 7 ): 23 - 27 .

CHEN H , XIONG H , YIN C S , et al . Survey on clock synchronization localization algorithm based on wireless sensor network [J ] . Modern Electronics Technique , 2015 , 38 ( 7 ): 23 - 27 .

CHAN Y T , HO K C . A simple and efficient estimator for hyperbolic location [J ] . IEEE Transactions on Signal Processing , 1994 , 42 ( 8 ): 1905 - 1915 .

ASHRAF A , NAQVI N A , AFZAL Z . Ambiguity resolution in carrier phase based positioning using lambda method [C ] // 2019 Sixth International Conference on Aerospace Science and Engineering (ICASE) . Piscataway:IEEE Press , 2019 : 1 - 7 .

浏览量

2059

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

基于载波相位的高精度室内快速定位算法

基于RFID载波相位的室内EKF定位算法

基于值域的GNSS姿态测量改进算法研究

基于高斯和粒子滤波的联合码和载波相位的伪距估计算法

非相对论粒子高次谐波辐射作为短波长激光的可能性