Simulation of location accuracies obtainable from different methods

Simulation of location accuracies obtainable from different methods,10.1109/VETECF.2005.1558510,Henry L. Bertoni,Jung W. Suh

Simulation of location accuracies obtainable from different methods   (Citations: 1)
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Development of mobile location techniques for cellular networks is driven by the FCC mandate for emergency E911 services, as well as its potential for value-added services and network management. Candidates for providing location information are based on time difference of arrival (TDOA), angle of arrival (AOA), and power signatures (PS), which make use of predetermined reference tables of the small area average path gain to multiple base station locations. This paper addresses the location accuracy that can be achieved with these methods in an urban microcellular environment. In order to compare these methods, simulations have been carried out using a vertical plane launch (VPL) ray tracing code capable of simulating a 3-D environment to generate the RF characteristics needed for the location methods for a particular city. The location performances are simulated for each method with various parameter changes. The performance of location accuracy is presented by statistical error distributions. Only systems without memory of previous location information are considered.
Conference: Vehicular Technology, IEEE Conference - VTC -Spring , vol. 4, pp. 2196-2200, 2005
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