Distortion-optimized transmission in hybrid fiber coax networks
US12028125B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2020 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Mar 5, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L5/0058
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A node circuit associated with a hybrid fiber coax (HFC) network is disclosed. The node circuit includes an optimizer circuit configured to process a plurality of signal-to-noise ratio (SNR) values associated with a plurality of subcarriers, respectively, associated with a set of cable modem (CM) circuits coupled to the node circuit. In some embodiments, at least one subcarrier is allocated to the set of CM circuits for communication with the node circuit. In some embodiments, the optimizer circuit is further configured to determine an optimal transmit power of the node circuit, based on the plurality of SNR values and a transmitter distortion of a transmitter circuit associated with the node circuit. In some embodiments, the transmitter distortion defines a transmitter distortion associated with the transmitter circuit in terms of a total transmit power of the node circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.