(19)

(11)

EP 2 494 549 A1

(12)

(43) Date of publication: 05.09.2012 Bulletin 2012/36 (21) Application number: 10827232.9 (22) Date of filing: 04.10.2010

(51) International Patent Classification (IPC):  G10L 19/14(2006.01) H04W 28/04(2009.01) H04L 1/00(2006.01) (86) International application number: PCT/SE2010/051065 (87) International publication number: WO 2011/053222 (05.05.2011 Gazette 2011/18)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 28.10.2009 US 607404 (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: SCHLIWA-BERTLING, Paul 59071 Ljungsbro (SE) EKMAN, Per-Ove S-590 54 Sturefors (SE) (74) Representative: Kühn, Friedrich Heinrich  Ericsson AB Patent Unit LTE Torshamnsgatan 23 164 80 Stockholm 164 80 Stockholm (SE)