Methods and devices for reducing power consumption in a...

Details Methods and devices for reducing power consumption in a... Methods and devices for reducing power consumption in a...

2011-08-16

2011-08-16

Bello, Agustin (Department: 2613)

Optical communications

Multiplex

Broadcast and distribution system

C398S067000, C398S070000

Reexamination Certificate

active

08000602

ABSTRACT:
The present invention discloses methods for reducing power consumption in a PON while maintaining service continuity, the method including the steps of: providing an OLT operationally connected to at least one ONU; triggering a sleep request for at least one requesting ONU; upon receiving a sleep acknowledgement, activating a sleep mode for at least one requesting ONU according to a sleep period designated in the sleep request; and terminating the sleep mode according to the sleep period. Preferably, the sleep acknowledgement is transmitted from the OLT to the requesting ONU. Preferably, the sleep period is executed by a sleep command in the sleep acknowledgement. Preferably, the method further includes the step of: upon completion of the sleep period, transmitting buffered data traffic from the OLT to a sleeping ONU. Preferably, the step of transmitting is performed without the sleeping ONU being re-registered and without causing packet reordering.

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