(19)

(11)

EP 2 220 835 A2

(12)

(88) Date of publication A3: 03.09.2009 (43) Date of publication: 25.08.2010 Bulletin 2010/34 (21) Application number: 08854842.5 (22) Date of filing: 26.11.2008

(51) International Patent Classification (IPC):  H04L 27/00(2006.01) H04L 7/04(2006.01) H04L 27/26(2006.01) (86) International application number: PCT/IB2008/054959 (87) International publication number: WO 2009/069082 (04.06.2009 Gazette 2009/23)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 29.11.2007 CN 200710196636 (71) Applicant: NXP B.V. 5656 AG Eindhoven (NL)	(72) Inventor: GONG, Ming Redhill Surrey RH1 1DL (GB) (74) Representative: Epping - Hermann - Fischer  Patentanwaltsgesellschaft mbH Ridlerstrasse 55 80339 München 80339 München (DE)