Data transmission over a power line communications system

Details Data transmission over a power line communications system Data transmission over a power line communications system

H - Electricity

04

B

H04B 3/54 (2006.01)

Patent

CA 2290353

A power line communications system has a power line (120) having a plurality of phase lines (Red, Yellow, Blue) upon which noise level varies with time. The system determines quiet periods when noise upon the phase lines is at a reduced level and transmits one or more data packets within the quiet periods, preferentially transmitting to the subscriber stations (S1, S2 ...) during quiet periods occurring on the phase line to which they are coupled. This increases data throughput in the system.

Un système de communication sur lignes électriques comprend une ligne électrique (120) comprenant une pluralité de lignes de phase (rouge, jaune, bleu) sur lesquelles le niveau de bruit varie avec le temps. Le système détermine des périodes calmes lorsque le bruit sur les lignes de phase est à un niveau réduit et transmet un ou plusieurs paquets de données pendant ces périodes calmes, envoyant de préférence les paquets de données aux unités d'abonnés (S1, S2 ...) pendant les périodes calmes existant sur la ligne de phase à laquelle ils sont couplés. Ce système permet d'augmenter la quantité de données circulant dans le système.

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