Incremental Localization Algorithm Based on Regularized Iteratively Reweighted Least Square
2016
artykuł naukowy
angielski
- wireless network
- incremental localization
- regularized iteratively reweighted least square
- heteroscedasticity
EN wireless network, incremental localization, regularized iteratively reweighted least square, heteroscedasticity Incremental localization algorithm is a distributed localization method with excellent characteristics for wireless network. However, its estimated result is generally influenced by the heteroscedasticity arising from cumulative errors and the collineation among anchor nodes. We have proposed a novel incremental localization algorithm with consideration to cumulative errors and collinearity among anchors. Using iteratively reweighted and regularized method, the algorithm reduces the influences of errors accumulation and avoids collinearity problem between anchors. Simulation experiment results show that compared with the previous incremental localization algorithms, the proposed algorithm obtains a localization solution which not only has high accuracy but also high stability. Therefore, the proposed algorithm is suitable for different deployment environments and has high adaptability.
183 - 196
CC BY-NC-ND (uznanie autorstwa - użycie niekomercyjne - bez utworów zależnych)
publiczny
15