Multi-stage echo cancelation scheme to run FDX in coax cable plant
US10361748B2 · kind B2 · utility
2Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2018 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Jan 15, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B3/493
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a multi-stage echo cancellation scheme. The disclosed embodiments include an apparatus and method for monitoring and canceling echoes greater than 25 dB in a coaxial cable plant. The method includes obtaining echo channel estimate coefficients from a cable node. The method determines a location and strength of each partial echo in an impulse response using the echo channel estimate coefficients. Optionally, the method determines a frequency response of each partial echo in the impulse response.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.