Decoding encoded data containing integrated data and header protection
US8762805B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2010 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Apr 15, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/1515
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method for decoding encoded data comprising integrated data and header protection is disclosed herein. In one embodiment, such a method includes receiving an extended data array. The extended data array includes a data array organized into rows and columns, headers appended to the rows of the data array, column ECC parity protecting the columns of the data array, and row ECC parity protecting the rows and headers combined. The method then decodes the extended data array. Among other operations, this decoding step includes checking the header associated with each row to determine whether the header is legal. If the header is legal, the method determines the contribution of the header to the corresponding row ECC parity. The method then reverses the contribution of the header to the corresponding row ECC parity. A corresponding apparatus (i.e., a tape drive configured to implement the above-described method) is also disclosed herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.