Optimal (v, 4, 2, 1) optical orthogonal codes with small parameters

Abstract

Optimal (v, 4, 2, 1) optical orthogonal codes (OOC) with $v<=75$ and $v\ne 71$ are classified up to equivalence. One $(v,4,2,1)$ OOC is presented for all $v\le 181$, for which an optimal OOC exists.

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