The Capacity of Online (Causal) $q$-ary Error-Erasure Channels

Zitan Chen, Sidharth Jaggi, Michael Langberg

In the $q$-ary online (or "causal") channel coding model, a sender wishes to communicate a message to a receiver by transmitting a codeword $\mathbf{x} =(x_1,\ldots,x_n) \in \{0,1,…