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(11)

EP 2 689 542 A1

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(43) Date of publication: 29.01.2014 Bulletin 2014/05 (21) Application number: 11712203.6 (22) Date of filing: 21.03.2011

(51) International Patent Classification (IPC):  H04B 7/08(2006.01) H04B 7/06(2006.01) (86) International application number: PCT/EP2011/054253 (87) International publication number: WO 2012/126512 (27.09.2012 Gazette 2012/39)

(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 (71) Applicant: Nokia Solutions and Networks Oy 02610 Espoo (FI)	(72) Inventors: NEVOLA, Alessandro I-24047 Treviglio (IT) SAMPIETRO, Luigi I-22063 Cantù (IT) FILIBERTI, Gaudenzio I-28045 Cantù (IT) (74) Representative: Borgström, Markus et al Nokia Solutions and Networks GmbH & Co. KG CEF T&I IPR / Patent Administration 80240 Munich 80240 Munich (DE)