Research on Errorʹs Distribution in Triangle Location Algorithm

The error will inevitably appear in triangle location in WSNs (wireless sensor networks), and the analysis of its character is very important for a reliable location algorithm. To research the error in triangle location algorithm, firstly, a triangle location model is set up; secondly, the condition of the minimal error is got based on the analysis of the location model; at last, by analyzing the condition, the law of errorʹs changing is abstracted, and its correctness is validated by some testing. The conclusions in this paper are all proved, and they provide a powerful foundation and support for reliable location algorithmʹs research.