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Performance Analysis of Chan Location Algorithm in Cellular Network

Bing Tang

Abstract

The location algorithms based on time of arrive(TOA)/time difference of arrive(TDOA) have been analyzed and compared,and Chan location algorithm in 2-dimension is mainly introduced in this paper.Through comparative analysis of root mean square error(RMSE) and Cramer-Rao Lower Bound(CRLB),the performance of Chan Location Algorithm has been discussed in the ideal environment.On this basis,the measured values of TOA have been got by Two Way Ranging mode of TOA in actual measurement,which could verify the performance of Chan Location Algorithm in actual measurement.Besides easy application,the results of simulation and verification indicated that the method has high positioning accuracy both in ideal environment and actual measurement.

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Key concepts: Multilateration, Cramér–Rao bound, Algorithm, Mean squared error, Ideal (ethics), Ranging, Computer science, Dimension (graph theory)