Multilayer decoding using persistent bits

Details Multilayer decoding using persistent bits Multilayer decoding using persistent bits

H - Electricity

04

N

H04N 7/66 (2006.01)

Patent

CA 2743738

The invention relates to a method of iterative multi-layer decoding of a multimedia communication signal, wherein persistent bits from various upper layers of the employed protocol stack are used in error correction decoding at a lower error- correction layer. The method includes saving persistent bits from successfully decoded FEC frames in memory, and using a subset of the saved bits in decoding of future frames. A smart controller is used to analyze frames for the presence and location of persistent bits, for saving thereof in memory, and for inserting saved persistent bits into a next frame at successive decoding iterations thereof.

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