Controllability of linear systems subject to packet losses**Raphael is supported by the Communaut_e francaise de Belgique - Actions de Recherche Concert_ees, and by the Belgian Programme on Interuniversity Attraction Poles and by the ‘Actions de Recherches Concert_ees’ Programme. He is a F.R.S.-FNRS Research Associate. Maurice is supported by the Innovational Research Incentives Scheme under the VICI grant “Wireless control systems: A new frontier in automation” (no. 11382) awarded by NWO (Netherlands Organisation for Scienti_c Research), and STW (Dutch Science Foundation), and the STW project 12697 “Control based on data-intensive sensing.”