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State-Dependent Channels with a Message-Cognizant Helper (2311.08220v1)
Published 14 Nov 2023 in cs.IT and math.IT
Abstract: The capacity of a state-dependent discrete memoryless channel (SD-DMC) is derived for the setting where a message-cognizant rate-limited helper observes the state sequence noncausally, produces its description, and provides the description to both encoder and decoder.