Read channel sampling utilizing two quantization modules for increased sample bit width
US9281007B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2014 |
| Grant date | Mar 8, 2016 |
| Priority date | — |
| Expiry date | Apr 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/553
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A communication channel structure and a decoding method supported by such a communication channel structure are disclosed. Such a communication channel includes a digital filter configured for filtering an input signal and two quantizer configured for quantizing the filtered signal. A first quantizer is utilized to quantize the filtered signal to produce a first quantized sample having a first precision and a second quantizer is utilized to quantize the filtered signal to produce a second quantized sample having a second precision, wherein the second precision is different from the first precision. The communication channel also includes an iterative decoder configured for utilizing the first quantized sample for a first global iteration of a decoding process and utilizing the second quantized sample for at least one subsequent global iteration of the decoding process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.