Title :
Localization of active UWB sensor nodes in multipath and NLOS environments
Author :
Shen, Guowei ; Zetik, Rudolf ; Yan, Honghui ; Jovanoska, Snezhana ; Thomä, Reiner S.
Author_Institution :
Inst. of Inf. Technol., Ilmenau Univ. of Technol., Ilmenau, Germany
Abstract :
Localization in distributed Ultra-Wideband (UWB) sensor networks is an important area that attracts significant research interest. In this paper, main sources of errors of range-based localization is analyzed and four different solutions for coping with the problems are investigated. The solutions include high precision range estimation algorithms, effective location estimation algorithms, Non-Line of Sight (NLOS) identification and mitigation, and tracking of moving nodes. In the discussion for each solution, a number of algorithms are analyzed. Afterwards, a novel localization approach which uses the combination of the four solutions is proposed.
Keywords :
sensor placement; ultra wideband communication; wireless sensor networks; NLOS environments; active UWB sensor node localization; distributed ultrawideband sensor networks; effective location estimation algorithms; high precision range estimation algorithms; moving node tracking; nonline of sight identification; range-based localization; Antennas; Artificial neural networks; Distance measurement; Estimation; Robustness; Tracking; Variable speed drives;
Conference_Titel :
Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-4577-0250-1
