Control system using a mini slot signal in a passive optical network

Kontrollsystem unter Verwendung von mini-Zeitschlitzsignalen in einem passiven optischen Netzwek

Système de contrôle utilisant des signaux de mini-créneaux dans un réseau optique passif

Abstract

According to an aspect of this invention, dynamic bandwidth assignment (DBA) can be performed without interrupting communication of a regular cell and interfering with communication between child stations. In a passive optical network including a parent station and a plurality of child stations, a maintenance signal for a mini slot signal is provided. Each of the child stations sends a corresponding maintenance signal if necessary, and the parent station controls state transition by using the maintenance signal concerning on the mini slot signal for each of the child stations. By controlling the state transition, the dynamic bandwidth assignment can be performed.

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