4Th International Symposium on Applied Sciences in Biomedical and Communication Technologies, Isabel'11, Date: 26 October 2011 through 29 October 2011, Location: Barcelona, Sponsors: Kyranova Ltd, Center for TeleInFrastruktur (CTIF);IEEE;Universitat Pompeu Fabra;Technical University of Catalonia (UPC);River Publishers;Technological Center for Telecommunications of Catalonia (CTTC)