[1] Waterford Inst Technol, TSSG, Waterford, Ireland
[2] Auburn Univ, Dept Elect & Comp Engn, Auburn, AL 36849 USA
[3] Tech Univ Berlin, DAI Labor, SemperLink GmbH, Berlin, Germany
[4] Univ Appl Sci Vorarlberg, Dornbin, Vorarlberg, Austria
[5] Tech Univ Berlin, Inst Telecommun Syst, Elect Engn & Comp Sci Fac, Berlin, Germany
[6] Georgia State Univ, Dept Comp Sci, Commun Assurance & Performance Grp, Atlanta, GA 30303 USA
[7] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Blacksburg, VA 24061 USA