DIGITAL FORWARD LINK IN HYBRID FIBER-COAX NETWORK
First Claim
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1. A system comprising:
- a computing device comprising;
a first Ethernet port for downstream distribution of digital data; and
a second Ethernet port for reception of upstream data,wherein the first Ethernet port and the second Ethernet port together communicate with a node downstream of the computing device.
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Abstract
A hybrid fiber-coax network may replace an analog forward link with a digital optical forward link between a converged cable-access platform (CCAP) and node, which may allow for improved data-throughput rates on the network. Replacing the analog forward link with the digital optical forward link may allow for a greater distance between a headend and the node. Further, the digital optical forward link may improve link modulation error ratio (MER), which, when combined with advanced headend equipment, may enable a cable modem to support the high-order modulation profiles (e.g., profiles included in DOCSIS 3.1).
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Citations
20 Claims
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1. A system comprising:
a computing device comprising; a first Ethernet port for downstream distribution of digital data; and a second Ethernet port for reception of upstream data, wherein the first Ethernet port and the second Ethernet port together communicate with a node downstream of the computing device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method comprising:
transmitting, by a computing device, configuration information to a remote-PHY node over an Ethernet link between the computing device and the remote-PHY node, the configuration information using dynamic host configuration protocol. - View Dependent Claims (16, 17)
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18. A data network, comprising:
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a computing device; a remote-PHY node; and an Ethernet link between the computing device and the Remote-PHY node, wherein the remote-PHY node is configured to; receive downstream data over the Ethernet link; modulate and transmit the downstream data via a downstream coaxial link; receive upstream data via the downstream coaxial link; and transmit the upstream data over the Ethernet link. - View Dependent Claims (19, 20)
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Specification