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US 2017/0250754 A1Published application
Catv digital transmission with bandpass sampling
AssigneeARRIS Enterprises LLC
InventorsRobert J. Thompson, David C. Hartrum, Christopher Jeblonski, Rudolph J. Menna, John L. Moran
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Abstract
Methods and systems capable of improving the transmission of data along an upstream path of a Hybrid Fiber-Coaxial Cable Network, from a transmitter in a node to a receiver in a Cable Modem Termination System.
Claims10
A method for sending a signal on an upstream path in a CATV network, the method comprising:
- receiving an input electrical signal comprising upstream data from at least one cable modem of a CATV consumer, the input signal associated with a continuous spectrum within which all the upstream data occupies;
- sampling and digitizing only a selective portion of the continuous spectrum of the input electrical signal at the full Nyquist rate;
- converting the digitized signal to an optical signal;
- and
- sending the optical signal to a CMTS in a head end of the CATV network.
2 more elements
Dependencies are inferred from the claim text.