Joint Rewriting and Error Correction in Write-Once Memories
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Both rewriting and error correction are important technologies for non-volatile memories, especially flash memories. However, coding schemes that combine them have been limited. This paper presents a new coding scheme that combines rewriting and error correction for the write-once memory model. Its construction is based on polar codes, and it supports any number of rewrites and corrects a substantial number of errors. The code is analyzed for the binary symmetric channel, and experimental results verify its performance. The results can be extended to multi-level cells and more general noise models. 2013 IEEE.
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2013 IEEE International Symposium on Information Theory