(19)

(11)

EP 2 705 627 A1

(12)

(43) Date of publication: 12.03.2014 Bulletin 2014/11 (21) Application number: 12730268.5 (22) Date of filing: 01.05.2012

(51) International Patent Classification (IPC):  H04L 5/00(2006.01) (86) International application number: PCT/IB2012/052173 (87) International publication number: WO 2012/150545 (08.11.2012 Gazette 2012/45)

(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: 02.05.2011 US 201113098873 03.05.2011 GB 201107363 (71) Applicant: Renesas Mobile Corporation Chiyoda-ku Tokyo (JP)	(72) Inventors: KOIVISTO, Tommi FIN-02780 Espoo (FI) ENESCU, Mihai FIN-02120 Espoo (FI) (74) Representative: EIP  Fairfax House 15 Fulwood Place London WC1V 6HU London WC1V 6HU (GB)