To assist the driver and to provide informations about the vehicle position, it is useful to exploit the capabilities given by the future generation of cellular digital mobile communications networks. To provide driver assistance it is possible to use the data control traffic channels already standardized in the GSM (Group special mobiles) to carry calls or semiautomatic calls between the mobile and the traffic control station. The paper describes the design of a numerical MLSE receiver for the GSM mobile apparatus and the application of the synchronization sub-system to implement vehicle localization services using the relative time delay measurements between the vehicle and the traffic control center. The performance results concerning the digital receiver based on the Viterbi algorithm for demodulation and decoding are presented and the structures for frequency estimate and symbol timing extraction are evaluated to support a dead reckoning system.
Possible use of a digital GSM receiver and synchronization system to provide driver assistance
Mögliche Anwendung des digitalen GSM-Receivers und des Synchronisierungssystems zur Fahrerunterstützung
1992
8 Seiten, 7 Bilder, 5 Quellen
Aufsatz (Konferenz)
Englisch
Possible use of a digital GSM receiver and synchronization system to provide driver assistance
Kraftfahrwesen | 1992
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