Parameter estimation using a sensor array in a Ricean fading channel |
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Authors: | K V S Hari Björn Ottersten |
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Affiliation: | (1) Department of Electrical Communication Engineering, Indian Institute of Science, 560 012 Bangalore, India;(2) Department of Signals, Sensors and Systems, Royal Institute of Technology, S-100 44 Stockholm, Sweden |
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Abstract: | The estimation of the Direction-Of-Arrival (DOA) and the variance of the angular spread, using an array of sensors in the
case of a Ricean channel is considered, using the Maximum-Likelihood, Least-Squares and Weighted Least Squares criteria. The
Cramér-Rao bound is also obtained for the problem of interest. Simplification of the cost functions to reduce the dimension
of the problem has been carried out and the performance of the methods has been studied based on numerical experiments.
A major part of the work was carried out when K V S Hari was visiting the Department of Signals, Sensors and Systems during
Jul–Sep 1995, on leave from the Indian Institute of Science |
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Keywords: | Antenna arrays fading channels spatially distributed sources |
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