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(11)

EP 0 882 376 A2

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(43) Date of publication: 09.12.1998 Bulletin 1998/50 (21) Application number: 97905955.0 (22) Date of filing: 20.02.1997

(51) International Patent Classification (IPC):  H04W 88/ 02( . ) H04M 1/ 725( . ) (86) International application number: PCT/US1997/002328 (87) International publication number: WO 1997/030556 (21.08.1997 Gazette 1997/36)

(84) Designated Contracting States: DE FI GB IT (30) Priority: 20.02.1996 US 19960604031 (71) Applicant: ERICSSON INC. Research Triangle Park, NC 27709 (US)	(72) Inventor: VALENTINE, Eric, Lee Plano, TX 75075 (US) (74) Representative: Wennerholm, Kristian, et al  Ericsson Radio Systems AB Common Patent Department 164 80 Stockholm 164 80 Stockholm (SE)