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https://open.uns.ac.rs/handle/123456789/332
Title: | Fundamental Limits of Communication over State-Dependent Channels with Feedback | Authors: | Kovačević, Marko Wang C. Tan V. |
Issue Date: | 1-May-2019 | Journal: | IEEE Transactions on Communications | Abstract: | © 1972-2012 IEEE. The fundamental limits of communication over state-dependent discrete memoryless channels with noiseless feedback are studied, under the assumption that the communicating parties are allowed to use variable-length coding schemes. Various cases are analyzed, with the employed coding schemes having either bounded or unbounded codeword lengths, and with state information revealed to the encoder and/or decoder in a strictly causal, causal, or non-causal manner. In each of these settings, necessary and sufficient conditions for positivity of the zero-error capacity are obtained, and it is shown that, whenever the zero-error capacity is positive, it equals the conventional vanishing-error capacity. Moreover, it is shown that the vanishing-error capacity of state-dependent channels is not increased by the use of feedback and variable-length coding. Both these kinds of capacities of state-dependent channels with feedback are thus fully characterized. | URI: | https://open.uns.ac.rs/handle/123456789/332 | ISSN: | 00906778 | DOI: | 10.1109/TCOMM.2019.2894158 |
Appears in Collections: | FTN Publikacije/Publications |
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