Method and system for processing digital data, corresponding apparatus and computer program product

摘要

Digital data signals such as, e.g., turbo-encoded data signals subject to decoding, are processed by producing a plurality of families of metrics for these signals while allowing one or more of these metrics to wrap through a respective independent wrapping operation. A decoder, e.g., a decoder for turbo-encoded digital signals computes differences of metrics selected out of the plurality of families of metrics by excluding differences of metrics derived through independent wrapping operations (e.g., wrapping metrics from different families) and generates signals representative of order relationships of combinations of corresponding unwrapped metrics as a function of said differences.

主权项

1. A method, comprising:
automatically producing from digital data signals a plurality of families of metrics, at least one family of the plurality of families allowing metric wrapping; automatically computing a set of differences of metrics selected out of said plurality of families of metrics, the set of differences excluding differences between wrapping metrics of different families of the plurality of families of metrics; automatically generating signals representative of order relationships of combinations of corresponding unwrapped metrics based on said set of differences; and automatically decoding encoded data in the digital data signals based on the generated signals representative of order relationships.