Generalized viterbi decoding algorithms

Details Generalized viterbi decoding algorithms Generalized viterbi decoding algorithms

H - Electricity

03

M

354/67

H03M 13/41 (2006.01) H03M 13/39 (2006.01)

Patent

CA 2020899

A data transmission system and method for processing speech, image and other data disclosed which embodies parallel- and serial-generalized Viterbidecoding algorithms (GVA) that produce a rank ordered list of the L best canditates after a trellis search. Error detection is performed by identifying unreliable sequences through comparison of the likelihood metrics of the two or more most likely sequences. Unreliable sequences are re-estimated using inter-frame rebundancy or retransmission.

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