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cs.IT2022
A Class of Minimum Storage Cooperative Regenerating Codes with Low Access Property
Xing Lin, Han Cai, Xiaohu Tang
In this paper, a new repair scheme for a modified construction of MDS codes is studied. The obtained repair scheme has optimal bandwidth for multiple failed nodes under the coopera…
cs.IT2022
A New Cooperative Repair Scheme with k + 1 Helper Nodes for (n, k) Hadamard MSR codes with Small Sub-packetization
Yajuan Liu, Han Cai, Xiaohu Tang
Cooperative repair model is an available technology to deal with multiple node failures in distributed storage systems. Recently, explicit constructions of cooperative MSR codes we…
cs.IT2022
A Bound on the Minimal Field Size of LRCs, and Cyclic MR Codes That Attain It
Han Cai, Moshe Schwartz
We prove a new lower bound on the field size of locally repairable codes (LRCs). Additionally, we construct maximally recoverable (MR) codes which are cyclic. While a known constru…