中文
相关论文

相关论文: An Efficient Construction Method Based on Partial …

200 篇论文

In this article, we demonstrate the novel use of Proper Generalized Decomposition (PGD) to separate the axial and, optionally, polar dimensions of neutron transport. Doing so, the resulting Reduced-Order Models (ROMs) can exploit the fact…

数值分析 · 数学 2024-12-23 Kurt A. Dominesey , Wei Ji

Polar codes are a class of capacity-achieving error correcting codes that have been selected for use in enhanced mobile broadband in the 3GPP 5th generation (5G) wireless standard. Most polar code research examines the original Arikan polar…

信息论 · 计算机科学 2019-07-17 Adam Cavatassi , Thibaud Tonnellier , Warren J. Gross

In this paper, we present an efficient method to construct a good rate-compatible punctured polar (RCPP) code. One of the major challenges on the construction of a RCPP code is to design a common information set which is good for all the…

信息论 · 计算机科学 2018-07-03 Song-Nam Hong , Min-Oh Jeong

Deep polar codes are pre-transformed polar codes that employ a multi-layered polar kernel transformation strategy to enhance code performance in short blocklength regimes. However, like conventional polar codes, their block length is…

信息论 · 计算机科学 2025-05-13 Geon Choi , Namyoon Lee

Polar codes have received growing attention in the past decade and have been selected as the coding scheme for the control channel in the fifth generation (5G) wireless communication systems. However, the conventional polar codes have only…

信息论 · 计算机科学 2023-01-26 Hossein Rezaei , Nandana Rajatheva , Matti Latva-aho

This work investigates a two-stage method for constructing projection-based reduced-order models (ROMs) of parameterized partial differential equations (PDEs). Based on established tensorial ROM methodology, the proposed approach reduces…

数值分析 · 数学 2026-04-30 Arjun Vijaywargia , Eric C. Cyr , Anthony Gruber

We present a method of constructing rate-compatible polar codes that are capacity-achieving with low-complexity sequential decoders. The proposed code construction allows for incremental retransmissions at different rates in order to adapt…

信息论 · 计算机科学 2016-01-29 Song-Nam Hong , Dennis Hui , Ivana Marić

Constructing efficient low-rate error-correcting codes with low-complexity encoding and decoding have become increasingly important for applications involving ultra-low-power devices such as Internet-of-Things (IoT) networks. To this end,…

信息论 · 计算机科学 2020-11-02 Fariba Abbasi , Hessam Mahdavifar , Emanuele Viterbo

A design of rate-compatible polar codes suitable for HARQ communications is proposed in this paper. An important feature of the proposed design is that the puncturing order is chosen with low complexity on a base code of short length, which…

信息论 · 计算机科学 2015-09-01 Mostafa El-Khamy , Hsien-Ping Lin , Jungwon Lee , Hessam Mahdavifar , Inyup Kang

In this paper, we investigate the construction of polar codes by Gaussian approximation (GA) and develop an approach based on piecewise Gaussian approximation (PGA). In particular, with the piecewise approach we obtain a function that…

信息论 · 计算机科学 2021-11-23 R. M. Oliveira , R. C. de Lamare

Concatenating the state-of-the-art codes at moderate rates with repetition codes has emerged as a practical solution deployed in various standards for ultra-low-power devices such as in Internet-of-Things (IoT) networks. In this paper, we…

信息论 · 计算机科学 2022-03-24 Fariba Abbasi , Hessam Mahdavifar , Emanuele Viterbo

Over the past decade, polar codes have received significant traction and have been selected as the coding method for the control channel in fifth-generation (5G) wireless communication systems. However, conventional polar codes are reliant…

信息论 · 计算机科学 2023-05-09 Hossein Rezaei , Elham Abbasi , Nandana Rajatheva , Matti Latva-aho

Pre-transformed polar codes (PTPCs) form a class of codes that perform close to the finite-length capacity bounds. The minimum distance and the number of minimum weight codewords are two decisive properties for their performance. In this…

信息论 · 计算机科学 2024-04-29 Andreas Zunker , Marvin Geiselhart , Stephan ten Brink

An efficient algorithm for the construction of polar codes for higher-order modulation is presented based on information-theoretic principles. The bit reliabilities after successive demapping are estimated using the LM-rate, an achievable…

信息论 · 计算机科学 2016-10-26 Georg Böcherer , Tobias Prinz , Peihong Yuan , Fabian Steiner

Reed-Solomon (RS) codes are constructed over a finite field that have been widely employed in storage and communication systems. Many fast encoding/decoding algorithms such as fast Fourier transform (FFT) and modular approach are designed…

信息论 · 计算机科学 2024-05-03 Wenhao Liu , Zhengyi Jiang , Zhongyi Huang , Linqi Song , Hanxu Hou

Reed-Muller (RM) and polar codes are a class of capacity-achieving channel coding schemes with the same factor graph representation. Low-complexity decoding algorithms fall short in providing a good error-correction performance for RM and…

信息论 · 计算机科学 2018-07-12 Seyyed Ali Hashemi , Nghia Doan , Marco Mondelli , Warren J. Gross

We explore the relationship between polar and RM codes and we describe a coding scheme which improves upon the performance of the standard polar code at practical block lengths. Our starting point is the experimental observation that RM…

信息论 · 计算机科学 2014-09-04 Marco Mondelli , S. Hamed Hassani , Rüdiger Urbanke

We propose a new partial decoding algorithm for $m$-interleaved Reed--Solomon (IRS) codes that can decode, with high probability, a random error of relative weight $1-R^{\frac{m}{m+1}}$ at all code rates $R$, in time polynomial in the code…

信息论 · 计算机科学 2017-05-08 Sven Puchinger , Johan Rosenkilde né Nielsen

Product codes are widespread in optical communications, thanks to their high throughput and good error-correction performance. Systematic polar codes have been recently considered as component codes for product codes. In this paper, we…

信息论 · 计算机科学 2019-01-23 Valerio Bioglio , Carlo Condo , Ingmar Land

Polarimetric phased arrays (PPAs) enhance radar target detection and anti-jamming capabilities, but their conventional dual transmit/receive (T/R) channel architecture leads to high cost and system complexity. To address these limitations,…

系统与控制 · 电气工程与系统科学 2026-01-07 Yiqing Wang , Jian Zhou , Chen Pang , Wenyang Man , Zixiang Xiong , Ke Meng , Zhanling Wang , Yongzhen Li