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cs.IT2018
Sharp Analytical Capacity Upper Bounds for Sticky and Related Channels
Mahdi Cheraghchi, João Ribeiro
We study natural examples of binary channels with synchronization errors. These include the duplication channel, which independently outputs a given bit once or twice, and geometri…
cs.IT2018
Structural Results and Improved Upper Bounds on the Capacity of the Discrete-Time Poisson Channel
Mahdi Cheraghchi, João Ribeiro
New capacity upper bounds are presented for the discrete-time Poisson channel with no dark current and an average-power constraint. These bounds are a simple consequence of techniq…