(19)

(11)

EP 2 926 514 A1

(12)

(43) Date of publication: 07.10.2015 Bulletin 2015/41 (21) Application number: 13759260.6 (22) Date of filing: 10.09.2013

(51) International Patent Classification (IPC):  H04L 25/02(2006.01) H04L 27/26(2006.01) H04L 25/03(2006.01) (86) International application number: PCT/EP2013/068768 (87) International publication number: WO 2014/041006 (20.03.2014 Gazette 2014/12)

(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 (30) Priority: 17.09.2012 EP 12306117 02.09.2013 EP 13368026 (71) Applicant: ST-Ericsson SA 1228 Plan-les-Ouates (CH)	(72) Inventor: DHAYNI, Achraf F-06220 Vallauris (FR) (74) Representative: Kemp, Paul Geoffrey  Riviera Patents 75 Avenue de la Californie 06200 Nice 06200 Nice (FR)