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Patents for H04W 64 - Locating users or terminals for network management purposes, e.g. mobility management (18,913) |
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03/17/1987 | US4651156 Integrated radio location and communication system | 02/04/1987 | EP0210396A2 Method for determining the position of mobile stations | 05/22/1985 | EP0141994A1 Mobile radio telephone network | 09/28/1983 | EP0020606B1 A system for the communication of radio signals | 03/16/1982 | CA1120105A1 Mobile radiotelephone station two-way ranging system | 01/12/1982 | US4310722 Mobile radiotelephone station two-way ranging system | 10/07/1981 | EP0037070A2 Mobile radio network | 03/13/1981 | EP0020606A4 A system for the communication of radio signals. | 01/07/1981 | EP0020606A1 A system for the communication of radio signals. | 10/21/1980 | US4229620 Mobile radiotelephone station two-way ranging system | 05/15/1980 | WO1980001030A1 Mobile radiotelephone station two-way ranging system | 04/04/1978 | US4083003 Vehicle location system | 10/05/1976 | US3984807 Vehicle location system |
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