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We present some recent results on rewritable channels, that is, storage channels that admit optional reading and rewriting of the content at a given cost. This is a general class of channels that models many nonvolatile memories. We focus on the storage capacity of rewritable channels affected by data-dependent noise. We prove tight upper and lower bounds on the storage capacity of a simple yet significant...
New memory technologies and the intrinsic issues associated with device scaling are making the behavior of storage systems increasingly similar to that of noisy communication channels. The ability to read and possibly rewrite content onto memory, however, makes rewritable channels fundamentally different from standard point-to-point channels from an information theoretic standpoint. In this article,...
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