Search Results - fixed nodes decoder

Analysis of Minimal LDPC Decoder System on a Chip Implementation by Palenik, T., Farkas, P., Rakus, M., Dobos, J.

“…) codes with one, with the intention of saving as much memory as required to implement the LDPC encoder and decoder in a memory-constrained System on a Chip (SoC…”
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Dynamic branch pruning aided low switching fixed complexity sphere decoding for small scale and massive MIMO detection by Chakraborty, Sourav, Sinha, Nirmalendu Bikas, Mitra, Monojit

“…) algorithm that can reduce the number of node visits in conventional fixed‐complexity sphere decoder (FSD…”
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A parallel collaborative sphere decoder for a MIMO communication system by Koo, Jihun, Kim, Soo-Yong, Kim, Jaeseok

“… This design offers a hardware-friendly algorithm using a modified node operation through fixing the variable complexity of the critical path caused by the sequential nature of the conventional sphere decoder (SD…”
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Hardware Implementation of a Fixed-Point Decoder for Low-Density Lattice Codes by Srivastava, Rachna, Gaudet, Vincent C., Mitran, Patrick

“… A detailed quantization study is first performed to find the minimum number of bits required for the fixed-point decoder to attain a frame error rate (FER…”
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Low-Complexity Architecture for High-Speed 50G-PON LDPC Decoder by Kwon, Kon-Woo, Kim, Kwangok, Doo, Kyeonghwan, Chung, Hwanseok, Lee, Jeong Woo

“… We also propose a fixed-structured wiring network between variable nodes and check nodes, leveraging the quasi-cyclic property of parity-check matrix to significantly reduce implementation complexity…”
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A Generalized Adjusted Min-Sum Decoder for 5G LDPC Codes: Algorithm and Implementation by Ren, Yuqing, Harb, Hassan, Shen, Yifei, Balatsoukas-Stimming, Alexios, Burg, Andreas

“…) decoding algorithms and corresponding VLSI implementations. Furthermore, decoders must fully support the wide range of all 5G NR blocklengths and code rates, which is a significant challenge…”
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Decoding of the extended Golay code by the simplified successive-cancellation list decoder adapted to multi-kernel polar codes by Khebbou, Driss, Chana, Idriss, Ben-Azza, Hussain

“… When the positions of the frozen bits are fixed to 0, and the source information bits are organized in the remaining positions, to form the source vector u…”
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A soft tree pruning based fixed-complexity sphere decoder for interference-limited MIMO systems by Guangxia Zhou, Wen Xu, Bauch, Gerhard

“… However, the complexity is extremely high. This paper presents a soft tree pruning based fixed-complexity sphere decoder…”
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Pruning and Quantizing Neural Belief Propagation Decoders by Buchberger, Andreas, Hager, Christian, Pfister, Henry D., Schmalen, Laurent, Graell i Amat, Alexandre

“… The key idea is to consider NBP decoding over an overcomplete parity-check matrix and use the weights of NBP as a measure of the importance of the check nodes (CNs) to decoding…”
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VLSI Implementation of a High-Throughput Iterative Fixed-Complexity Sphere Decoder by Chen, Xi, He, Guanghui, Ma, Jun

“…By exchanging soft information between the multiple-input multiple-output (MIMO) detector and the channel decoder, an iterative receiver can significantly improve the performance compared to the noniterative receiver…”
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Improved K-Best Sphere Detection for Uncoded and Coded MIMO Systems by Shuangshuang Han, Tao Cui, Tellambura, C.

“…The conventional K-best sphere decoder (KSD) keeps the best K nodes at each level of the search tree…”
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Probability-Distribution-Based Node Pruning for Sphere Decoding by Tao Cui, Shuangshuang Han, Tellambura, C.

“…Node pruning strategies based on probability distributions are developed for maximum-likelihood (ML…”
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Hardware Implementation of Fixed-Point Decoder for Low-Density Lattice Codes by Srivastava, Rachna, Gaudet, Vincent C., Mitran, Patrick

“…In this paper, a fixed-point arithmetic low-density lattice code (LDLC) decoder is designed and implemented on an FPGA where Gaussian mixture messages…”
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ConvGCN-RF: A hybrid learning model for commuting flow prediction considering geographical semantics and neighborhood effects by Yin, Ganmin, Huang, Zhou, Bao, Yi, Wang, Han, Li, Linna, Ma, Xiaolei, Zhang, Yi

“… These models rely on fixed and simple mathematical formulas derived from physics, and ignore rich geographic semantics, which makes them difficult to model complex human mobility patterns…”
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CNN-Enhanced Graph Convolutional Network With Pixel- and Superpixel-Level Feature Fusion for Hyperspectral Image Classification by Liu, Qichao, Xiao, Liang, Yang, Jingxiang, Wei, Zhihui

“… Compared with the convolutional neural network (CNN) with fixed square kernels, GCN can explicitly utilize the correlation between adjacent land covers and conduct flexible convolution on arbitrarily irregular image regions…”
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Polar code decoding using a learning-based rescue algorithm with a successive cancellation list decoder by Kshirsagar, Sunil Yadav, Marka, Venkatrajam

“…Low-complexity node-based successive cancellation list (SCL) decoding has gained significant attention due to its potential use in 5G communication systems owing to the low latency and high-reliability requirements of 5G…”
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Low-Complexity LDPC Decoding Algorithm Based on Layered Vicinal Variable Node Scheduling by Benhayoun, Mhammed, Razi, Mouhcine, Mansouri, Anas, Ahaitouf, Ali

“…). However, the search for the most unreliable variable nodes and the residual precomputation required for each iteration of the IDS-LDPC increases the complexity of the decoding process which becomes…”
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A Flexible FPGA-Based Stochastic Decoder for 5G LDPC Codes by Tera, Sivarama Prasad, Alantattil, Rajesh, Paily, Roy

“…Iterative stochastic decoding is an alternative to standard fixed-point decoding of low-density parity check (LDPC…”
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Parity-Check-CRC Concatenated Polar Codes SSCFlip Decoder by Jan, Qasim, Hussain, Shahid, Furqan, Muhammad, Pan, Zhiwen, Liu, Nan, You, Xiaohu

“…Successive cancellation flip decoding requires a large number of extra successive cancellation decoding attempts at low signal-to-noise ratios (SNRs),…”
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Rate-compatible LDPC code decoder using check-node merging by Blad, A, Gustafsson, O, Meng Zheng, Zesong Fei

“… Assuming the use of a code ensemble obtained through puncturing of a low-rate mother code, the decoder achieves significantly reduced convergence rates by merging the check node neighbours…”
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