Method and apparatus for sequentially synchronized network

H - Electricity – 04 – L

Patent

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Details

H04L 7/00 (2006.01) G01S 5/14 (2006.01) H04B 7/26 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2378626

A method and apparatus for sequentially synchronized timing and frequency generation in a communication network includes a parent station (12) for maintaining system time and frequency values, a time/frequency transfer unit (13a, 13b, 13c) for receiving and demodulating the system time and frequency values from the parent station (12) and generating corrected system time and frequency values by adjusting a clock and the center frequency of a pilot signal at a child station (16a, 16b) to remove time and frequency discrepancies, and a child station (16a, 16b) to which the time/frequency transfer unit directly communicates the corrected system time and frequency values. The child station (16a, 16b) become a parent station (12) upon communication of the corrected system time and frequency values. The sequence may be repeated for as many stations as are deployed in the network.

L'invention concerne un procédé et un appareil permettant une synchronisation séquentielle et une génération de fréquences dans un réseau de communication. Ledit appareil comprend : une station parente (12) permettant de maintenir les valeurs de temps et de fréquence du système, une unité de transfert temps/fréquence (13a, 13b, 13c) destinée à recevoir et à démoduler lesdites valeurs par l'ajustement d'une horloge et de la fréquence centrale d'un signal pilote au niveau d'une station enfant (16a, 16b), afin de supprimer les anomalies de temps et de fréquence ; et une station enfant (16a, 16b) à laquelle l'unité de transfert de temps/fréquence communique directement les valeurs de temps et de fréquence corrigées. La station enfant (16a, 16b) devient une station parent (12) une fois que les valeurs de temps et de fréquence corrigées du système ont été transmises. La séquence est répétée autant de fois qu'il y a de stations déployées dans le réseau.

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