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Girth-Based Sequential-Recovery LRCs
DOI:10.1109/ACCESS.2022.3225905.png)
摘要
En 中文
In this paper, we prove that a linear block code with girth 2(t + 1) is a t-sequential-recovery locally repairable codes (LRCs) with locality r if its parity-check matrix has column weight at least 2 and row weight at most r + 1. This gives a new connection between sequential-recovery LRCs and linear block codes. We also derive that the repair time of the t-sequential-recovery LRCs from the linear block codes by this connection is at most [t/2].
Keyword:
Locally repairable codes
joint sequential-parallel-recovery
girth
repair time
期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
机构
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