(19)

(11)

EP 1 867 008 A1

(12)

(43) Date of publication: 19.12.2007 Bulletin 2007/51 (21) Application number: 06725906.9 (22) Date of filing: 06.04.2006

(51) International Patent Classification (IPC):  H01Q 21/30(2006.01) H04B 7/02(2006.01) (86) International application number: PCT/FI2006/050131 (87) International publication number: WO 2006/106188 (12.10.2006 Gazette 2006/41)

(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 NL PL PT RO SE SI SK TR (30) Priority: 08.04.2005 FI 20055161 25.04.2005 US 113328 (71) Applicant: Nokia Siemens Networks Oy 02610 Espoo (FI)	(72) Inventor: AHONPÄÄ, Timo FI-90420 Oulu (FI) (74) Representative: Äkräs, Tapio Juhani  Oy Kolster Ab Iso Roobertinkatu 23 P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)