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In cellular network, several Time Difference Of Arrival(TDOA) location algorithms can be applied to mobile position estimation. However, each algorithm has its own limitations and none of them is proved to be the most reliable one in different channel environments. In this paper Kleine-Ostmann’s data fusion model is modified and a collaborative location model which incorporates position estimate of two TDOA location algorithms is proposed. Analysis and simulation show that more reliable and accurate mobile position estimation can be achieved based on this model.
However, each algorithm has its own limitations and none of them is proved to be the most reliable one in different channel environments. In this paper Kleine-Ostmann’s data fusion model is modified and a collaborative location model which incorporates position estimate of two TDOA location algorithms is proposed. Analysis and simulation show that more reliable and accurate mobile position estimation can be achieved based on this model.