Systems and methods for compensating coherent optics delay asymmetry in a packet optical network

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United States of America

APP PUB NO 20200028585A1





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Systems and methods of compensating for the delay asymmetry of coherent optical modems in a packet optical network include measuring fill levels of one or more queues each including an elastic First-In-First-Out (FIFO) circuit used in a transport mapping scheme, wherein the transport mapping scheme is one or more of client mapping to Optical Transport Unit (OTU) and OTU mapping to Flexible OTN (FlexO); and performing adjustments in a clock based in part on the measured fill levels, wherein the adjustments are configured to reduce a Time Error (TE) in the packet network based on delay asymmetry between two nodes.

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Inventor Name Address # of filed Patents Total Citations
Abdullah, Bashar Kanata, CA 22 435
Gareau, Sebastien Ottawa, CA 29 90
Liu, Xiaojin Ottawa, CA 2 0
Perras, Daniel Ottawa, CA 3 6

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