Michal Horovitz – Local rank modulation for flash memories


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Local rank modulation scheme was suggested recently for
representing information in flash memories
in order to overcome drawbacks of rank modulation.
For local rank modulation scheme the cells are locally viewed cyclically through a
sliding window, resulting in a sequence of small permutations which
requires less comparisons and less distinct values.
I will describe a new encoding, decoding, and asymptotic enumeration of one family of LRM scheme.