GDOP-Assisted Location Estimation Algorithms in Wireless Location Systems

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Executive Summary

In recent years, wireless location estimation has attracted a significant amount of attention in different areas. The network-based location estimation schemes have been widely adopted based on the radio signals between the Mobile Station (MS) and the Base Stations (BSs). The two-step Least Square (LS) method has been studied in related research to provide efficient location estimation of the MS. However, the algorithm results in inaccurate location estimation under the circumstances with poor Geometric Dilution Of Precision (GDOP). In this paper, the GDOP-assisted Location Estimation (GOLE) schemes are proposed by considering the geometric relationships between the MS and its associated BSs.

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