Receiver with ICI noise estimation
US8937996B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2009 |
| Grant date | Jan 20, 2015 |
| Priority date | — |
| Expiry date | Sep 21, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2025/03522
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention concerns receive circuitry for demodulating an input signal received from a transmission channel, the receive circuitry having a decision feedback equalizer including an inter-carrier interference estimation block arranged to provide an estimation of inter-carrier interference (ICI) noise based on at least a channel estimation determined for a previous symbol, a channel estimation determined for the next symbol, and on a previous estimation of the symbol data for the current symbol, the previous estimation being provided by a feedback path comprising a demapping block; and correction circuitry arranged to determine the estimation of the original data signal based on the estimation of ICI noise subtracted from the input signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.