(19)
(11) EP 0 474 675 A1

(12)

(43) Date of publication:
18.03.1992 Bulletin 1992/12

(21) Application number: 90908038.0

(22) Date of filing: 19.04.1990
(51) International Patent Classification (IPC): 
H04B 7/ 14( . )
H04W 84/ 08( . )
H04B 7/ 24( . )
(86) International application number:
PCT/US1990/002102
(87) International publication number:
WO 1990/015488 (13.12.1990 Gazette 1990/28)
(84) Designated Contracting States:
DE DK FR GB NL

(30) Priority: 30.05.1989 US 19890358730
30.05.1989 US 19890358747
30.05.1989 US 19890358906

(71) Applicant: MOTOROLA, INC.
Schaumburg, IL 60196 (US)

(72) Inventors:
  • SASUTA, Michael, David
    Palatine, IL 60067 (US)
  • ERICKSON, Gary, Dean
    Riverwoods, IL 60015 (US)
  • COMROE, Richard, Alan
    Dundee, IL 60118 (US)
  • SOBTI, Arun
    Wheaton, IL 60187 (US)
  • MAJOR, John, Edward
    Barrington, IL 60010 (US)

(74) Representative: Dunlop, Hugh Christopher, et al 
Motorola, European Intellectual Property, Midpoint, Alencon Link
Basingstoke, Hampshire RG21 7PL
Basingstoke, Hampshire RG21 7PL (GB)

   


(54) METHOD OF ESTABLISHING COMMUNICATION BETWEEN INDEPENDENT COMMUNICATION SYSTEMS