Non-binary Codes for Correcting a Burst of at Most t Deletions
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The problem of correcting deletions has received significant attention, partly because of the prevalence of these errors in DNA data storage. In this paper, we study the problem of correcting a consecutive burst of at most t deletions in non-binary sequences. We first propose a non-binary code correcting a burst of at most 2 deletions for q-ary alphabets. Afterwards, we extend this result to the case where the length of the burst can be at most t where t is a constant. Finally, we consider the setup where the sequences that are transmitted are permutations. The proposed codes are the largest known for their respective parameter regimes.
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