Efficient Convex Relaxation Methods for Robust Target Localization

Weconsidertheproblemoftargetlocalizationbyanetworkofpassivesensors.Whenanunknowntargetemitsanacousticoraradiosignal,itspositioncanbelocalizedwithmultiplesensorsusingthetimedifferenceofarrival(TDOA)information.Inthispaper,weconsiderthemaximumlikelihoodformulationofthistargetlocaliza