Bounds on the minimum distance of locally recoverable codes
CoRR(2023)
摘要
We consider locally recoverable codes (LRCs) and aim to determine the
smallest possible length n=n_q(k,d,r) of a linear [n,k,d]_q-code with
locality r. For k≤ 7 we exactly determine all values of n_2(k,d,2) and
for k≤ 6 we exactly determine all values of n_2(k,d,1). For the ternary
field we also state a few numerical results. As a general result we prove that
n_q(k,d,r) equals the Griesmer bound if the minimum Hamming distance d is
sufficiently large and all other parameters are fixed.
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