(19)

(11)

EP 2 329 642 A1

(12)

(43) Date of publication: 08.06.2011 Bulletin 2011/23 (21) Application number: 09815758.9 (22) Date of filing: 22.09.2009

(51) International Patent Classification (IPC):  H04N 5/445(2011.01) H04W 76/02(2009.01) (86) International application number: PCT/IB2009/054146 (87) International publication number: WO 2010/035215 (01.04.2010 Gazette 2010/13)

(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 MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 29.09.2008 US 240779 06.11.2008 US 112104 P (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventors: VÄRE, Jani FIN-20780 Kaarina (FI) ALAMAUNU, Jyrki FIN-20720 Turku (FI) PEKONEN, Harri FIN-21260 Raisio (FI) AURANEN, Tommi FIN-21380 Turku (FI) (74) Representative: Aarnio, Ari Antero  Nokia Corporation Intellectual Property Department PO Box 407 00045 Nokia Group 00045 Nokia Group (FI)