(19)

(11)

EP 2 025 121 A2

(12)

(88) Date of publication A3: 24.01.2008 (43) Date of publication: 18.02.2009 Bulletin 2009/08 (21) Application number: 07735926.3 (22) Date of filing: 15.05.2007

(51) International Patent Classification (IPC):  H04L 29/06(2006.01) (86) International application number: PCT/IB2007/051857 (87) International publication number: WO 2007/135627 (29.11.2007 Gazette 2007/48)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 18.05.2006 EP 06300488 (71) Applicant: NXP B.V. 5656 AG Eindhoven (NL)	(72) Inventor: GENTRIC, Philippe 1102 Vienna (AT) (74) Representative: Röggla, Harald  NXP Semiconductors IP Department Gutheil-Schoder-Gasse 8-12 A-1100 Wien A-1100 Wien (AT)