(19)

(11)

EP 1 969 797 A2

(12)

(88) Date of publication A3: 31.01.2008 (43) Date of publication: 17.09.2008 Bulletin 2008/38 (21) Application number: 06842443.1 (22) Date of filing: 12.12.2006

(51) International Patent Classification (IPC):  H04L 27/36(2006.01) (86) International application number: PCT/IB2006/054763 (87) International publication number: WO 2007/069193 (21.06.2007 Gazette 2007/25)

(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 NL PL PT RO SE SI SK TR (30) Priority: 15.12.2005 EP 05112209 (71) Applicant: NXP B.V. 5656 AG Eindhoven (NL)	(72) Inventors: JONG, Gerben W NL-5656 AG Eindhoven (NL) VROMANS, Jan NL-5656 AG Eindhoven (NL) (74) Representative: van der Veer, Johannis Leendert  NXP Semiconductors B.V. IP&L Department High Tech Campus 32 5656 AE Eindhoven 5656 AE Eindhoven (NL)