(19)

(11)

EP 1 285 362 A2

(12)

(88) Date of publication A3: 03.10.2002 (43) Date of publication: 26.02.2003 Bulletin 2003/09 (21) Application number: 01937053.5 (22) Date of filing: 11.05.2001

(51) International Patent Classification (IPC)7: G06F 17/30 (86) International application number: PCT/SE0101/044 (87) International publication number: WO 0109/3100 (06.12.2001 Gazette 2001/49)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 31.05.2000 US 584915 (71) Applicant: Telefonaktiebolaget L M Ericsson (Publ) 126 25 Stockholm (SE)	(72) Inventor: SKOG, Robert S-165 76 Hässelby (SE) (74) Representative: Sjöberg, Mats Hakan  Ericsson ABPatent Unit Radio Access SE-164 80 Stockholm SE-164 80 Stockholm (SE)