Evaluation of Direct and Iterative Methods for Overdetermined Systems of TOA Geolocation Equations

  title={Evaluation of Direct and Iterative Methods for Overdetermined Systems of TOA Geolocation Equations},
  author={Louis A. Romero and Jeff Mason},
  journal={IEEE Transactions on Aerospace and Electronic Systems},
We analyze and rigorously test over a wide range of noise levels some of the most popular algorithms for solving overdetermined systems of the time of arrival (TOA) or pseudorange geolocation equations. Four criteria are given for evaluating these methods, one of which is that the method should achieve the minimum Cramer-Rao lower bound (CRLB) solution error variance. We discuss some straightforward techniques to determine if a method is minimum variance (MV) and apply this analysis to several… CONTINUE READING
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