Method and apparatus for encoding a data stream for...

Details Method and apparatus for encoding a data stream for... Method and apparatus for encoding a data stream for...

H - Electricity

04

L

H04L 27/36 (2006.01) H04L 27/34 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2571749

Method and apparatus for encoding a protocol data unit (PDU) stream is described. In one example, packets of the PDU stream are outer coded to produce a symbol stream. The symbol stream is formatting to produce trellis groups. The trellis groups are formed into blocks of MxN groups. For each of the blocks, M groups are processed using N trellis encoders to produce N trellis encoder outputs. Each of the N trellis encoder outputs is mapped onto a quadrature amplitude modulation (QAM) constellation to generate N QAM symbol streams. In another example, a single shared trellis encoder is used and channel bond grouping is performed on the encoded QAM symbols.

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