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Decoding Analog Subspace Codes: Algorithms for Character-Polynomial Codes

Samin Riasat ; Mahdavifar, Hessam

arXiv.org, 2024-07

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Título:
Decoding Analog Subspace Codes: Algorithms for Character-Polynomial Codes
Autor: Samin Riasat ; Mahdavifar, Hessam
Assuntos: Algorithms ; Computer Science - Information Theory ; Decoders ; Decoding ; Mathematics - Information Theory ; Polynomials ; Probabilistic analysis ; Subspaces
É parte de: arXiv.org, 2024-07
Descrição: We propose efficient minimum-distance decoding and list-decoding algorithms for a certain class of analog subspace codes, referred to as character-polynomial (CP) codes, recently introduced by Soleymani and the second author. In particular, a CP code without its character can be viewed as a subcode of a Reed-Solomon (RS) code, where a certain subset of the coefficients of the message polynomial is set to zeros. We then demonstrate how classical decoding methods, including list decoders, for RS codes can be leveraged for decoding CP codes. For instance, it is shown that, in almost all cases, the list decoder behaves as a unique decoder. We also present a probabilistic analysis of the improvements in list decoding of CP codes when leveraging their certain structure as subcodes of RS codes.
Editor: Ithaca: Cornell University Library, arXiv.org
Idioma: Inglês

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