On the GDOP and accuracy for indoor positioning

Ian Sharp*, Kegen Yu, Mark Hedley

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

Position accuracy and geometric dilution of precision (GDOP) analysis are presented for indoor mesh positioning systems in multipath and non-line-of-sight (NLOS) propagation environments. Concise analytical formulas are derived for the position error statistics in the presence of biased ranging errors and uniform random spatial anchor node deployment. Simulation and experimental verification are conducted and the results demonstrate that the analytical formulas match the simulated and experimental results well. It is shown that the system can achieve accuracy of around half a meter.

Original languageEnglish
Article number6237577
Pages (from-to)2032-2051
Number of pages20
JournalIEEE Transactions on Aerospace and Electronic Systems
Volume48
Issue number3
DOIs
Publication statusPublished - 2012
Externally publishedYes

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