Variable phy margin to combat ingress noise

Details Variable phy margin to combat ingress noise Variable phy margin to combat ingress noise

H - Electricity

04

L

H04L 1/00 (2006.01) H04L 1/20 (2006.01) H04L 27/34 (2006.01)

Patent

CA 2742408

A method includes determining a first aggregate received power level of an orthogonal frequency division multiplexed (OFDM) signal received at a first network node, adjusting a nominal PHY Margin an amount that is dependent upon a measurement of an aggregate received power level of the OFDM signal, determining a data transmission rate based on the adjusted nominal PHY Margin, and receiving data being transmitted in accordance with the data transmission rate at the first node.

L'invention concerne un procédé comprenant la détermination d'un premier niveau de puissance reçue totale d'un signal multiplexé par répartition orthogonale de la fréquence (OFDM) reçu au niveau d'un premier nud de réseau, l'adaptation d'une marge PHY nominale d'une quantité qui est dépendante d'une mesure d'un niveau de puissance reçue totale du signal OFDM, la détermination d'un débit de transmission de données en fonction de la marge PHY nominale adaptée, et la réception de données transmises conformément au débit de transmission de données au niveau du premier nud.

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