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List Decodability of Linear Subcodes of Gabidulin Codes
IEEE Communications Letters ( IF 4.1 ) Pub Date : 2020-10-28 , DOI: 10.1109/lcomm.2020.3034368 Shu Liu 1 , Ivan Tjuawinata 2 , Liang Zhou 1
IEEE Communications Letters ( IF 4.1 ) Pub Date : 2020-10-28 , DOI: 10.1109/lcomm.2020.3034368 Shu Liu 1 , Ivan Tjuawinata 2 , Liang Zhou 1
Affiliation
In this letter, we confirm that, with overwhelming probability, random $\mathbb {F}_{{q}}$
-linear subcodes of Gabidulin codes can be list decoded with a decoding radius beyond half of the minimum distance and constant upper bound of the list size. Furthermore, our results reveal the existence of an $\mathbb {F}_{{q}}$
-linear subcode of a square Gabidulin code that is list decodable with radius approaching the Gilbert-Varshamov bound, which is shown to be the optimal list decoding radius. On the other hand, when we are considering a Gabidulin code with the ratio of the number of its rows and columns being $\epsilon $
, we can also find an $\mathbb {F}_{{q}}$
-linear subcode that is list decodable up to the Singleton bound. Moreover, we investigate the list decodability of $\mathbb {F}_{{q}^{{m}}}$
-linear subcodes of Gabidulin codes.
中文翻译:
Gabidulin码的线性子码的列表可解码性
在这封信中,我们确认以极大的概率随机 $ \ mathbb {F} _ {{q}} $
可以用超过最小距离的一半和列表大小恒定上限的解码半径对Gabidulin代码的-linear子代码进行列表解码。此外,我们的结果表明存在 $ \ mathbb {F} _ {{q}} $
-方形Gabidulin码的-linear子码,其列表可解码,半径接近吉尔伯特-瓦尔沙莫夫边界,被证明是最佳列表解码半径。另一方面,当我们考虑Gabidulin码时,其行和列数之比为 $ \ epsilon $
,我们还可以找到一个 $ \ mathbb {F} _ {{q}} $
-线性子代码,可对列表进行解码,直到Singleton界限。此外,我们调查了清单的可解码性 $ \ mathbb {F} _ {{q} ^ {{m}}} $
-Gabidulin代码的线性子代码。
更新日期:2020-10-28
中文翻译:
Gabidulin码的线性子码的列表可解码性
在这封信中,我们确认以极大的概率随机