Advanced digital audio broadcasting forward error correction processing in packet mode utilizing tokens
US9606859B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2014 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | Dec 10, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/0057
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In an embodiment, a method for performing forward error correction (FEC) on protected data packets is disclosed. The method involves creating a FEC table having columns for application data and columns for error-correction data (EC data). Then, a number of protected application data packets are received and placed in the FEC table. If an application data packet is received, then the application data from the packet is placed in the application data column. If an application data packet is not received, generated zeroes are placed in the application data column. Once the application data columns of the FEC table are full, EC data corresponding to the application data is received and placed in the EC data columns of the FEC table. The rows of the FEC table are then fed to the decoder for error correction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.