Apparatus and method for compensating feedback path distortion
US8514960B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2007 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Dec 9, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2025/03382
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Provided are an apparatus and method for compensating a feedback path distortion in a digital broadcasting signal. The apparatus for improving a performance of a pre-equalizer in a transmitter of a digital broadcasting system having a feedback path for adaptively generating a filter coefficient of the pre-equalizer, includes a reference signal generator for generating a reference radio frequency (RF) signal, a feedback path estimator for estimating transmission band characteristic information for the feedback path based on the reference RF signal generated from the reference signal generator, and a feedback path compensator for compensating a demodulated signal transferred through the feedback path based on the estimated transmission band characteristic information from the feedback path estimator and generating a filter coefficient of the pre-equalizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.