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Nominal Direction and Direction Spread Estimation for Slightly Distributed Scatterers using the SAGE Algorithm
2005 IEEE 61st Vehicular Technology Conference
In this paper, the SAGE (Subspace-Alternating Generalized Expectation-maximization) algorithm [1] [2] is derived using the generalized array manifold (GAM) model proposed in [3] (GAM-SAGE) to estimate the nominal directions, i.e. azimuths and elevations of slightly distributed scatterers (SDSs). As byproducts estimates of the azimuth spreads (ASs), elevation spreads (ESs), and the azimuth-elevation correlation coefficients (AECCs) of the SDSs can be computed from the estimates of the GAM
doi:10.1109/vetecs.2005.1543242
fatcat:zgldkdbrhzbgzg6lljuhjvdfgi