Distributed Synchronization of a testbed network with USRP N200 radio boards. - Gilberto Berardinelli; Jakob L. Buthler; Fernando M. L. Tavares; Oscar Tonelli; Dereje Assefa Wassie; Farhood Hakhamaneshi; Troels B. Sørensen; Preben E. Mogensen (ACSSC, 2014)