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Применение Ð¿Ð¾Ð»ÑÑ€Ð½Ñ‹Ñ ÐºÐ¾Ð´Ð¾Ð² в системе ÐºÐ²Ð°Ð½Ñ‚Ð¾Ð²Ñ‹Ñ ÐºÐ»ÑŽÑ‡ÐµÐ¹

выпускная квалификационная работа магистра

Применение Ð¿Ð¾Ð»ÑÑ€Ð½Ñ‹Ñ ÐºÐ¾Ð´Ð¾Ð² в системе ÐºÐ²Ð°Ð½Ñ‚Ð¾Ð²Ñ‹Ñ ÐºÐ»ÑŽÑ‡ÐµÐ¹

Abstract

Дипломная работа по теме "Применение многоуровневых полярных кодов для постобработки в системе квантового распределения ключей". Целью данной работы является разработка кодовой конструкции, представляющей собой многоуровневый полярный код для использования в системе квантового распределения ключей, а также его сравнение с существующим аналогом - многоуровневым LDPC кодом. Для достижения поставленной цели были выполнены следующие задачи: - Разработана кодовая конструкция, представляющая собой многоуровневый код с компонентными полярным кодами. - Разработан многошаговый декодер с компонентным списочным декодером Тала-Варди. - Выбран метод аппроксимации функций начальных значений логарифмического отношения правдоподобия (ЛОПП) для многошагового декодирования. В результате разработан многоуровневый полярный код с линейной аппроксимацией начальных значений ЛОПП. Разработанный код имеет меньшую вероятность ошибки на слово (FER) по сравнению с аналогичным многоуровневым LDPC кодом.

The subject of this paper is "Usage of multilevel polar codes for quantum key distribution system". The aim is to design a code construction of a multilevel code with component polar codes for quantum key distribution system and to compare it with an existing analogue - multilevel LDPC code. To achieve the aim we deal with following tasks: - A multilevel code construction with component polar codes was designed. - A multistage decoder with component successive cancelation list decoders was designed. - An approximation method of start likelihood ratio‘s (LLR) function for the multistage decoding was designed. As a result there is a mutilevel polar code with linear start LLR‘s function approximation. The designed code‘s FER is less than that from the multilevel LDPC code.

Keywords

Информационные системы, система квантового распределения ключей, Коды, полярные коды, многошаговое декодирование, multistage decoding, quantum key distribution system, key reconciliation, multilevel codes, согласование ключей, polar codes, многоуровневые коды

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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