(19)

(11)

EP 2 274 927 A1

(12)

(43) Date of publication: 19.01.2011 Bulletin 2011/03 (21) Application number: 08735981.6 (22) Date of filing: 09.04.2008

(51) International Patent Classification (IPC):  H04W 4/26(2009.01) H04W 12/06(2009.01) H04L 29/08(2006.01) (86) International application number: PCT/EP2008/054255 (87) International publication number: WO 2009/124587 (15.10.2009 Gazette 2009/42)

(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 (71) Applicant: Nokia Siemens Networks OY 02610 Espoo (FI)	(72) Inventor: TUOMINEN, Hannu FI-02700 Kauniainen (FI)