A Lower Bound on the Expected Distortion of Joint Source-Channel Coding
IEEE Trans. Inf. Theory, pp. 4722-4741, 2020.
We consider the classic joint source-channel coding problem of transmitting a memoryless source over a memoryless channel. The focus of this work is on the long-standing open problem of finding the rate of convergence of the smallest attainable expected distortion to its asymptotic value, as a function of blocklength $n$. Our main resul...More
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