METHOD AND ARRANGEMENT FOR IMPLEMENTING CONVOLUTIONAL DECODING

摘要

The invention relates to a method and arrangement for advantageously decoding and channel correcting a convolutionally encoded signal received over a transmission path. The signal comprises code words and the arrangement comprises a neural network comprising a set of neurons which comprise a set of inputs and an output. The received code words (400) and at least some of the output signals (402) of the neural network neurons are connected to the inputs of the neurons, and the neurons comprise means (404) for multiplying at least some of the neuron inputs prior to combining means (406). The arrangement also comprises means (123) for estimating the transmission channel. Further, estimated channel data (400) is connected to the inputs of the neurons and a predetermined neuron is arranged to give an estimate of the channel-corrected and decoded symbol in its output signal.