(19)

(11)

EP 2 189 015 A1

(12)

(43) Date of publication: 26.05.2010 Bulletin 2010/21 (21) Application number: 07856980.3 (22) Date of filing: 20.12.2007

(51) International Patent Classification (IPC):  H04W 4/00(2009.01) (86) International application number: PCT/EP2007/011257 (87) International publication number: WO 2009/024180 (26.02.2009 Gazette 2009/09)

(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: 21.08.2007 WO PCT/EP2007/058691 (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventor: SACHS, Joachim 52066 Aachen (DE) (74) Representative: Pfeifer, Torsten et al Ericsson GmbH Patent Department Ericsson Allee 1 52134 Herzogenrath 52134 Herzogenrath (DE)