Decoding technique for tail biting codes

Details Decoding technique for tail biting codes Decoding technique for tail biting codes

1996-09-16

1999-07-06

Chan, Jason

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

371 434, H04L 2302, H04L 512

Patent

active

059205970

ABSTRACT:
A method for decoding encoded digital data. A decoder generates a replicated decoding trellis and performs some number D.sup.max of decoding operations using the replicated trellis. Each decoding pass is offset by some amount .delta., and the results of each pass are stored and compared with prior results to generate a final output information sequence.

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IEEE Transactions on Communications, vol. 37, No. 8, Aug. 1989, pp. 875-879, XP000047627 Qiang Wang et al: "An Efficient Maximum Likelihood Decoding Algorithm for Generalized Tail Biting Convolutional Codes Including Quasicyclic Codes".

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