Roman Sokolovskii

Visiting Researcher at Communication Systems

My PhD research is in Coding Theory.

I study finite-length scaling laws for spatially-coupled low-density parity-check (SC-LDPC) codes, a powerful class of codes-on-graphs. SC-LDPC codes have been shown to achieve the fundamental limits of communication and storage and yield outstanding performance in other scenarios, such as in compressed sensing.

The aim of our work is to predict the probability of decoding error for practically relevant decoding algorithms. The behavior of the decoder is prohibitively complex to analyze exactly; our goal is to propose instead a mathematical model that can both yield sufficiently accurate predictions and be amenable to analysis.

Source: chalmers.se
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Showing 5 publications

2022

Finite-Length Scaling of SC-LDPC Codes With a Limited Number of Decoding Iterations

Roman Sokolovskii, Alexandre Graell I Amat, Fredrik Brännström
Preprint
2021

On Doped SC-LDPC Codes for Streaming

Roman Sokolovskii, Alexandre Graell I Amat, Fredrik Brännström
IEEE Communications Letters. Vol. 25 (7), p. 2123-2127
Journal article
2020

Finite-Length Scaling of Spatially Coupled LDPC Codes under Window Decoding over the BEC

Roman Sokolovskii, Alexandre Graell I Amat, Fredrik Brännström
IEEE Transactions on Communications. Vol. 68 (10), p. 5988-5998
Journal article
2019

A Refined Scaling Law for Spatially Coupled LDPC Codes Over the Binary Erasure Channel

Roman Sokolovskii, Fredrik Brännström, Alexandre Graell I Amat
2019 IEEE Information Theory Workshop (ITW), p. 90-94
Paper in proceeding

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Showing 1 research projects

2017–2020

Reliable Uncoordinated Medium Access for Critical Low-Latency Communication

Fredrik Brännström Communication Systems
Alexandre Graell i Amat Communication Systems
Roman Sokolovskii Communication Systems
Swedish Research Council (VR)

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