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EP 3 332 303 A1

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(43) Date of publication: 13.06.2018 Bulletin 2018/24 (21) Application number: 15751063.7 (22) Date of filing: 07.08.2015

(51) International Patent Classification (IPC):  G06F 1/20(2006.01) G06F 9/50(2006.01) G06F 1/32(2006.01) (86) International application number: PCT/GB2015/052292 (87) International publication number: WO 2017/025696 (16.02.2017 Gazette 2017/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA (71) Applicants: Khalifa University of Science, Technology and Research Abu Dhabi (AE) British Telecommunications public limited company London EC1A 7AJ (GB) Emirates Telecommunications Corporation Abu-Dhabi (AE)

(72) Inventors: SAFFRE, Fabrice Abu Dhabi 127788 (AE) HILDMANN, Hanno Abu Dhabi 127788 (AE) NICOLAS, Sébastien Matthieu Rene Abu Dhabi 127788 (AE) (74) Representative: Hodsdon, Stephen James et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE London EC2V 5DE (GB)