Spatially-Coupled Protograph for NOMA Optimized by the Genetic Algorithm
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2940045
Abstract: In this paper we investigate the codebook design of the non-orthogonal multiple access through the spatially-coupled protograph. The optimization is realized by changing the edge connections in the protograph to maximize the sum rate and… read more here.
Keywords: genetic algorithm; coupled protograph; spatially coupled; protograph noma ... See more keywords
Protograph-Based Folded Spatially Coupled LDPC Codes for Burst Erasure Channels
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2018.2878562
Abstract: In this letter, protograph-based folded spatially coupled (FSC) LDPC codes are proposed. The new folded-type structure is obtained by folding the spatial coupling chain of a conventional spatially coupled (SC) LDPC protograph and interlacing the… read more here.
Keywords: ldpc; spatially coupled; burst erasure; ldpc codes ... See more keywords
Designing Protograph-Based Quasi-Cyclic Spatially Coupled LDPC Codes With Large Girth
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2020.3001029
Abstract: Spatially coupled (SC) low-density parity-check (LDPC) codes can achieve capacity approaching performance with low message recovery latency when using sliding window (SW) decoding. An SC-LDPC code constructed from a protograph can be generated by first… read more here.
Keywords: codes large; spatially coupled; quasi cyclic; ldpc codes ... See more keywords
Spatially-Coupled Faster-Than-Nyquist Signaling: A Joint Solution to Detection and Code Design
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2022.3223062
Abstract: In this paper, we investigate two important issues of faster-than-Nyquist (FTN) signaling, namely, reduced-complexity detection and code design. Different from previous works, we consider these two issues jointly by designing a scheme that increases the… read more here.
Keywords: ftn signaling; detection; faster nyquist; code design ... See more keywords
Spatially Coupled Serially Concatenated Codes: Performance Evaluation and VLSI Design Tradeoffs
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2022.3149718
Abstract: Spatially coupled serially concatenated codes (SC-SCCs) are constructed by coupling several classical turbo-like component codes. The resulting spatially coupled codes provide a close-to-capacity performance and low error floor, which have attracted a lot of interest… read more here.
Keywords: serially concatenated; design; coupled serially; concatenated codes ... See more keywords
A Spatially Coupled Data-Driven Approach for Lithology/Fluid Prediction
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2020.3022368
Abstract: Prediction of lithology/fluid (LF) characteristics is always the bottleneck problem and difficulty of reservoir characterization. Deep-learning-based data-driven methods can review data and find specific trends and patterns that would not be apparent to humans, and… read more here.
Keywords: seismic data; spatially coupled; prediction; coupled data ... See more keywords
Displacement Convexity in Spatially Coupled Scalar Recursions
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Information Theory"
DOI: 10.1109/tit.2018.2864728
Abstract: We introduce a technique for the analysis of general spatially coupled systems that are governed by scalar recursions. Such systems can be expressed in variational form in terms of a potential function. We show, under… read more here.
Keywords: spatially coupled; coupled scalar; convexity spatially; displacement convexity ... See more keywords
Code Design Based on Connecting Spatially Coupled Graph Chains
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Information Theory"
DOI: 10.1109/tit.2019.2917222
Abstract: A novel code construction based on spatially coupled low-density parity-check (SC-LDPC) codes is presented. The proposed code ensembles are comprised of several protograph-based chains characterizing individual SC-LDPC codes. We demonstrate that the code ensembles obtained… read more here.
Keywords: based connecting; design based; spatially coupled; connecting spatially ... See more keywords
A Channel-Aware Combinatorial Approach to Design High Performance Spatially-Coupled Codes
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Information Theory"
DOI: 10.1109/tit.2020.2979981
Abstract: Because of their capacity-approaching performance and their complexity/latency advantages, spatially-coupled (SC) codes are among the most attractive error-correcting codes for use in modern dense data storage systems. SC codes are constructed by partitioning an underlying… read more here.
Keywords: coupled codes; spatially coupled; performance; approach ... See more keywords
Capacity-Achieving Spatially Coupled Sparse Superposition Codes With AMP Decoding
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Information Theory"
DOI: 10.1109/tit.2021.3083733
Abstract: Sparse superposition codes, also referred to as 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… read more here.
Keywords: amp decoding; spatially coupled; sparse superposition; error ... See more keywords
On the Decoding Performance of Spatially Coupled LDPC Codes With Sub-Block Access
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Information Theory"
DOI: 10.1109/tit.2022.3152104
Abstract: We study spatially coupled LDPC codes that allow access to sub-blocks much smaller than the full code block. Sub-block access is realized by a semi-global decoder that decodes a chosen target sub-block by only accessing… read more here.
Keywords: ldpc codes; spatially coupled; sub block; block ... See more keywords