(19)

(11)

EP 1 593 245 A1

(12)

(43) Date of publication: 09.11.2005 Bulletin 2005/45 (21) Application number: 03702633.3 (22) Date of filing: 13.02.2003

(51) International Patent Classification (IPC)7: H04L 27/26, H04L 1/06 (86) International application number: PCT/EP2003/001440 (87) International publication number: WO 2004/073275 (26.08.2004 Gazette 2004/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (71) Applicant: DoCoMo Communications Laboratories Europe GmbH 80687 München (DE)	(72) Inventor: BAUCH, Gerhard 80799 München (DE) (74) Representative: HOFFMANN EITLE  Patent- und Rechtsanwälte Arabellastrasse 4 81925 München 81925 München (DE)