A Construction for Constant Dimension Codes from the Known Codes
WIRELESS ALGORITHMS, SYSTEMS, AND APPLICATIONS, WASA 2021, PT I(2021)
摘要
One of the most fundamental topics in subspace coding is to explore the maximal possible value A(q)(n, d, k) of a set of k-dimensional subspaces in F-q(n) such that the subspace distance satisfies d(S)(U, V) = dim(U + V) - dim(U boolean AND V) >= d for any two different k-dimensional subspaces U and V in this set. In this paper, we propose a construction for constant dimension subspace codes from the existing results. This construction is done by merging two existing constructions, which exceeds the latest improvements including the cases: A(2)(8, 4, 3) >= 1331 and A(2)(8, 4, 4) >= 4802.
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关键词
Subspace coding, Constant dimension codes, Lifted MRD code
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