Abstract
Let K q (n,R) denote the minimum number of codewords in any q-ary code of length n and covering radius R. We collect lower and upper bounds for K q (n,R) where 6 ≤ q ≤ 21 and R ≤ 3. For q ≤ 10, we consider lengths n ≤ 10, and for q ≥ 11, we consider n ≤ 8. This extends earlier results, which have been tabulated for 2 ≤ q ≤ 5. We survey known bounds and obtain some new results as well, also for s-surjective codes, which are closely related to covering codes and utilized in some of the constructions.
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Communicated by: P. Charpin
AMS Classification: 94B75, 94B25, 94B65
Gerzson Kéri - Supported in part by the Hungarian National Research Fund, Grant No. OTKA-T029572.
Patric R. J. Östergård - Supported in part by the Academy of Finland, Grants No. 100500 and No. 202315.
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Kéri, G., Östergård, P.R.J. Bounds for Covering Codes over Large Alphabets. Des Codes Crypt 37, 45–60 (2005). https://doi.org/10.1007/s10623-004-3804-8
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DOI: https://doi.org/10.1007/s10623-004-3804-8