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IEEE Access
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Article . 2022
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https://dx.doi.org/10.60692/xb...
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Other literature type . 2022
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Polar Codes Based on Piecewise Gaussian Approximation: Design and Analysis

الرموز القطبية على أساس التقريب الجاوسي القطبي: التصميم والتحليل
Authors: Robert M. Oliveira; Rodrigo C. de Lamare;

Polar Codes Based on Piecewise Gaussian Approximation: Design and Analysis

Abstract

Dans cet article, nous proposons la construction de codes polaires basés sur des techniques d'approximation gaussienne (PGA) par morceaux. La PGA est d'abord optimisée, puis comparée à la méthode de construction d'approximation gaussienne (GA), montrant des gains de performance pour les blocs moyens et une grande précision pour les blocs longs, dans des scénarios avec un décodage à annulation successive (SC) et un canal de bruit gaussien blanc additif (AWGN). Sur la base de la PGA, nous développons deux approximations basées sur des polynômes multi-segmentés qui sont faciles à mettre en œuvre. Nous présentons la PGA approximative (APGA) qui est optimisée pour les blocs moyens et fournit une amélioration des performances sans augmenter la complexité. En outre, nous développons la PGA simplifiée (SPGA) comme alternative à la GA, qui est optimisée pour les blocs longs et atteint une précision de construction élevée. Les résultats de la simulation montrent que les méthodes de construction APGA et SPGA surpassent les approches existantes et concurrentes pour les codes de blocs moyens et longs avec une amélioration notable des performances.

En este artículo, proponemos la construcción de códigos polares basados en técnicas de aproximación gaussiana (PGA) por partes. La PGA se optimiza primero y luego se compara con el método de construcción de aproximación gaussiana (GA), mostrando ganancias de rendimiento para bloques medios y alta precisión para bloques largos, en escenarios con decodificación de cancelación sucesiva (SC) y canal de ruido gaussiano blanco aditivo (AWGN). Basándonos en la PGA, desarrollamos dos aproximaciones basadas en polinomios multisegmentados que son fáciles de implementar. Presentamos la PGA aproximada (APGA) que está optimizada para bloques medios y proporciona una mejora de rendimiento sin aumentar la complejidad. Además, desarrollamos la PGA simplificada (SPGA) como una alternativa a la GA, que está optimizada para bloques largos y logra una alta precisión de construcción. Los resultados de la simulación muestran que los métodos de construcción APGA y SPGA superan la GA existente y los enfoques de la competencia para códigos de bloques medios y largos con una mejora de rendimiento notable.

In this article, we propose the construction of polar codes based on piecewise Gaussian approximation (PGA) techniques.The PGA is first optimized and then compared to the Gaussian approximation (GA) construction method, showing performance gains for medium blocks and high precision for long blocks, in scenarios with successive cancellation (SC) decoding and additive white gaussian noise (AWGN) channel.Based on the PGA, we develop two approximations based on multi-segmented polynomials that are easy to implement.We present the Approximate PGA (APGA) that is optimized for medium blocks and provides a performance improvement without increasing complexity.Furthermore, we develop the simplified PGA (SPGA) as an alternative to the GA, which is optimized for long blocks and achieves high construction accuracy.Simulation results show that the APGA and SPGA construction methods outperform existing GA and competing approaches for medium and long block codes with notable performance improvement.

في هذه المقالة، نقترح إنشاء رموز قطبية تعتمد على تقنيات التقريب الغاوسي الجزئي. يتم تحسين تقنية التقريب الغاوسي أولاً ثم مقارنتها بطريقة البناء التقريبي الغاوسي (GA)، مع إظهار مكاسب الأداء للكتل المتوسطة والدقة العالية للكتل الطويلة، في سيناريوهات مع فك تشفير الإلغاء المتتالي (SC) وقناة الضوضاء الغاوسية البيضاء المضافة (AWGN). بناءً على PGA، نقوم بتطوير تقريبين بناءً على متعددات الحدود متعددة القطاعات التي يسهل تنفيذها. نقدم طريقة PGA التقريبية (APGA) التي تم تحسينها للكتل المتوسطة وتوفر تحسينًا للأداء دون زيادة التعقيد. علاوة على ذلك، نقوم بتطوير PGA المبسطة (SPGA) كبديل للكتل الطويلة، والتي تم تحسينها للكتل الطويلة وتحقق دقة بناء عالية. تظهر نتائج المحاكاة أن طرق بناء APGA و SPGA تتفوق على أساليب البناء الحالية وتنافس على رموز الكتلة المتوسطة والطويلة مع تحسين الأداء غير القابل للتحسين.

Keywords

Artificial intelligence, PC construction, Polar codes, Computer Networks and Communications, Astronomy, Geometry, Gaussian approximation, Noise (video), White noise, Mathematical analysis, Quantum mechanics, Channel Coding, Engineering, DNA-based Computing and Data Storage, Biochemistry, Genetics and Molecular Biology, Additive white Gaussian noise, FOS: Electrical engineering, electronic engineering, information engineering, FOS: Mathematics, Image (mathematics), Electrical and Electronic Engineering, Molecular Biology, Capacity-Achieving Codes, Physics, Mathematical optimization, Polar Codes, Low-Density Parity-Check and Polar Codes, Life Sciences, Applied mathematics, Computer science, Approximation algorithm, TK1-9971, Algorithm, Piecewise, Computer Science, Physical Sciences, Gaussian, Telecommunications, Electrical engineering. Electronics. Nuclear engineering, piecewise approximation, Decoding methods, Polar, Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing, Block (permutation group theory), Mathematics, Space-Time Coding

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selected citations
These citations are derived from selected sources.
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!
5
Top 10%
Average
Top 10%
gold