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A number of modern storage technologies, when written to, exhibit substantial variability in the outcome of a write action. It is possible to mitigate the effect of the write uncertainty through the use of a feedback loop that rewrites the memory whenever judged necessary, in effect reshaping the write noise. This scheme highlights a tradeoff between the storage capacity of the memory and the cost...
We consider 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 present recent results on such rewritable channels with constraints on both the maximum and the average number of atomic rewrite iterations. We derive a general lower capacity bound for rewritable storage channels impaired...
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