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相关论文: Spatially Coupled Sparse Regression Codes: Design …

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Sparse superposition codes, also called sparse regression codes (SPARCs), are a class of codes for efficient communication over the AWGN channel at rates approaching the channel capacity. In a standard SPARC, codewords are sparse linear…

信息论 · 计算机科学 2021-06-25 Cynthia Rush , Kuan Hsieh , Ramji Venkataramanan

Sparse Regression Codes (SPARCs) are capacity-achieving codes introduced for communication over the Additive White Gaussian Noise (AWGN) channels and were later extended to general memoryless channels. In particular it was shown via…

信息论 · 计算机科学 2024-09-10 Yuhao Liu , Yizhou Xu , Tianqi Hou

We consider sparse superposition codes (SPARCs) over complex AWGN channels. Such codes can be efficiently decoded by an approximate message passing (AMP) decoder, whose performance can be predicted via so-called state evolution in the…

信息论 · 计算机科学 2021-03-09 Haiwen Cao , Pascal O. Vontobel

Sparse superposition (SS) codes provide an efficient communication scheme over the Gaussian channel, utilizing the vector approximate message passing (VAMP) decoder for rotational invariant design matrices. Previous work has established…

信息论 · 计算机科学 2025-04-21 Yuhao Liu , Teng Fu , Jie Fan , Panpan Niu , Chaowen Deng , Zhongyi Huang

Sparse regression codes (SPARCs) are a promising coding scheme that can approach the Shannon limit over Additive White Gaussian Noise (AWGN) channels. Previous works have proven the capacity-achieving property of SPARCs with Gaussian design…

信息论 · 计算机科学 2023-03-16 Yizhou Xu , YuHao Liu , ShanSuo Liang , Tingyi Wu , Bo Bai , Jean Barbier , TianQi Hou

This article introduces a novel concatenated coding scheme called sparse regression LDPC (SR-LDPC) codes. An SR-LDPC code consists of an outer non-binary LDPC code and an inner sparse regression code (SPARC) whose respective field size and…

信息论 · 计算机科学 2024-10-28 Jamison R. Ebert , Jean-Francois Chamberland , Krishna R. Narayanan

This paper studies a generalization of sparse superposition codes (SPARCs) for communication over the complex additive white Gaussian noise (AWGN) channel. In a SPARC, the codebook is defined in terms of a design matrix, and each codeword…

信息论 · 计算机科学 2021-06-25 Kuan Hsieh , Ramji Venkataramanan

Belief propagation applied to iterative decoding and sparse recovery through approximate message passing (AMP) are two research areas that have seen monumental progress in recent decades. Inspired by these advances, this article introduces…

信息论 · 计算机科学 2023-01-06 Jamison R. Ebert , Jean-Francois Chamberland , Krishna R. Narayanan

Sparse superposition codes, or sparse regression codes (SPARCs), are a recent class of codes for reliable communication over the AWGN channel at rates approaching the channel capacity. Approximate message passing (AMP) decoding, a…

信息论 · 计算机科学 2019-04-24 Cynthia Rush , Ramji Venkataramanan

Sparse superposition codes were originally proposed as a capacity-achieving communication scheme over the gaussian channel, whose coding matrices were made of i.i.d. gaussian entries.We extend this coding scheme to more generic ensembles of…

信息论 · 计算机科学 2022-05-27 TianQi Hou , YuHao Liu , Teng Fu , Jean Barbier

Sparse superposition codes, or sparse regression codes, constitute a new class of codes which was first introduced for communication over the additive white Gaussian noise (AWGN) channel. It has been shown that such codes are…

信息论 · 计算机科学 2018-11-12 Jean Barbier , Mohamad Dia , Nicolas Macris

We investigate power allocation for the base matrix of a spatially coupled sparse regression code (SC-SPARC) for reliable communications over an additive white Gaussian noise channel. A conventional SC-SPARC allocates power uniformly to the…

信息论 · 计算机科学 2023-05-16 Nian Guo , Shansuo Liang , Wei Han

Sparse regression codes (SPARCs) are a class of codes that encode information through the superposition of columns of a randomised coding matrix. The combination with an outer non-binary low density parity check (NB-LDPC) code was recently…

信息论 · 计算机科学 2025-09-23 Alexander Fengler , Burak Çakmak , Giuseppe Caire

This paper considers a compressed-coding scheme that combines compressed sensing with forward error control coding. Approximate message passing (AMP) is used to decode the message. Based on the state evolution analysis of AMP, we derive the…

信息论 · 计算机科学 2024-10-30 Shansuo Liang , Chulong Liang , Junjie Ma , Li Ping

Sparse superposition (SS) codes were originally proposed as a capacity-achieving communication scheme over the additive white Gaussian noise channel (AWGNC) [1]. Very recently, it was discovered that these codes are universal, in the sense…

信息论 · 计算机科学 2020-06-05 Erdem Biyik , Jean Barbier , Mohamad Dia

Sparse superposition codes are a recent class of codes introduced by Barron and Joseph for efficient communication over the AWGN channel. With an appropriate power allocation, these codes have been shown to be asymptotically…

信息论 · 计算机科学 2018-03-19 Adam Greig , Ramji Venkataramanan

Developing computationally-efficient codes that approach the Shannon-theoretic limits for communication and compression has long been one of the major goals of information and coding theory. There have been significant advances towards this…

信息论 · 计算机科学 2019-11-05 Ramji Venkataramanan , Sekhar Tatikonda , Andrew Barron

Motivated by hyper-reliable low-latency communication in 6G, we consider error control coding for short block lengths in multi-antenna fading channels. In general, the channel fading coefficients are unknown at both the transmitter and…

信号处理 · 电气工程与系统科学 2025-05-13 Sai Dinesh Kancharana , Madhusudan Kumar Sinha , Arun Pachai Kannu

We consider a class of approximated message passing (AMP) algorithms and characterize their high-dimensional behavior in terms of a suitable state evolution recursion. Our proof applies to Gaussian matrices with independent but not…

概率论 · 数学 2013-01-01 Adel Javanmard , Andrea Montanari

Recently, a new class of codes, called sparse superposition or sparse regression codes, has been proposed for communication over the AWGN channel. It has been proven that they achieve capacity using power allocation and various forms of…

信息论 · 计算机科学 2016-03-08 Jean Barbier , Mohamad Dia , Nicolas Macris
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