Mobile Navigationsvorrichtung fuer ein zellulares Funknetz

DE 20114245 U UPAB: 20020502 NOVELTY - The equipment comprises one or more base stations (21-23) with base station identification (ID1-3), each base station located at a preset position. There is a radio signal receiver, with the signal field strength containing the base station identification. DETAILED DESCRIPTION - A device indicates the position of the preset base station according to the base station identification and the radio signal field strength is measured. The distance of the navigation equipment from the base station is computed to obtain information of the equipment position. The computer takes account of important parameters. USE - For indoor environment, such as personal digital assistant, mobile telephone, or watch. ADVANTAGE - Simple integration into a cellular radio network and precision position information.