1. KU Leuven; Department ESAT-TELEMIC; Kasteelpark Arenberg 10 3001 Heverlee Belgium
2. University of Ferrara; Dipartimento di Ingegneria; via G. Saragat 1 44122 Ferrara Italy
3. Chalmers University of Technology; Göteborg Sweden
4. Anteverta-mw B.V.; Maury Microwave Company; Delft The Netherlands