Reliability information refers to the data that indicates the likelihood that a received message accurately represents the intended message, especially after transmission through a communication system that may introduce errors. In the context of decoding techniques, this information is crucial as it guides the decoder in making informed decisions about correcting potential errors and recovering the original message. It plays a significant role in enhancing the performance of error-correcting codes by allowing for adaptive decoding strategies based on the perceived reliability of received symbols.
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