NLOS Error Mitigation for TOA-Based Source Localization With Unknown Transmission Time
Authors:
- 26 April 2017
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Sensors Journal
- Vol. 17 (12) , 3605-3606
Abstract
In this letter, we address the time-of-arrival-based localization problem using an asynchronous sensor network under non-line-of-sight conditions. We formulate a robust least square (RLS) problem to jointly estimate the source location and the transmission time. To tackle the problem that the unknowns in the RLS problem are coupled with each other, we decouple the coupled constraint as the second-order cone constraints by applying some inequalities, and then apply the standard second-order cone relaxation technique to obtain a convex second-order cone program. Simulation results verify the performance of the proposed method.Keywords
Funding Information
- Natural Science Foundation of China (61571249)
- K. C. Wong Magna Fund in Ningbo University
This publication has 5 references indexed in Scilit:
- Robust NLOS Error Mitigation Method for TOA-Based Localization via Second-Order Cone RelaxationIEEE Communications Letters, 2015
- Cooperative Localization in NLOS Environments Using Semidefinite ProgrammingIEEE Communications Letters, 2015
- NLOS Error Mitigation for TOA-Based Localization via Convex RelaxationIEEE Transactions on Wireless Communications, 2014
- Asynchronous time-of-arrival-based source localization2013
- Source Localization in Wireless Sensor Networks From Signal Time-of-Arrival MeasurementsIEEE Transactions on Signal Processing, 2011