(19)

(11)

EP 1 142 415 A1

(12)

(43) Date of publication: 10.10.2001 Bulletin 2001/41 (21) Application number: 99964911.4 (22) Date of filing: 17.12.1999

(51) International Patent Classification (IPC)7: H04Q 7/38 (86) International application number: PCT/SE9902/420 (87) International publication number: WO 0038/469 (29.06.2000 Gazette 2000/26)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 18.12.1998 WO PCT/IB98/02074 01.06.1999 US 323267 (71) Applicant: Telefonaktiebolaget L M Ericsson (Publ) 126 25 Stockholm (SE)	(72) Inventor: SCHULTZ, Johan S-584 37 Linköping (SE) (74) Representative: Wennerholm, Kristian et al Ericsson Radio Systems ABPatent Unit Radio Access 164 80 Stockholm 164 80 Stockholm (SE)