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1,787 Results Found

  • Article
  • Open Access
2,984 Views
26 Pages

Digital Image Decoder for Efficient Hardware Implementation

  • Goran Savić,
  • Milan Prokin,
  • Vladimir Rajović and
  • Dragana Prokin

1 December 2022

Increasing the resolution of digital images and the frame rate of video sequences leads to an increase in the amount of required logical and memory resources necessary for digital image and video decompression. Therefore, the development of new hardw...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
4 Citations
3,262 Views
11 Pages

6 September 2019

Early-termination techniques for a belief-propagation (BP) decoder of polar codes can improve the decoding throughput by finishing a decoding iteration when an early-termination condition is satisfied. In the BP decoders, the early-termination condit...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
3 Citations
3,188 Views
13 Pages

Efficient Decoder for Turbo Product Codes Based on Quadratic Residue Codes

  • Jie Dong,
  • Yong Li,
  • Rui Liu,
  • Taolin Guo and
  • Francis C. M. Lau

3 November 2022

In this letter, we study turbo product codes with quadratic residue codes (called QR-TPCs) as the component codes. We propose an efficient decoder based on Chase-II algorithm with two convergence conditions for the iterative decoding of QR-TPCs. For...

(This article belongs to the Special Issue Multirate and Multicarrier Communication)
  • Article
  • Open Access
5 Citations
4,324 Views
17 Pages

Energy Efficiency of a Decode-and-Forward Multiple-Relay Network with Rate Adaptive LDPC Codes

  • Bushra Bashir Chaoudhry,
  • Syed Ali Hassan,
  • Joachim Speidel and
  • Haejoon Jung

4 November 2019

This paper presents cooperative transmission (CT), where multiple relays are used to achieve array and diversity gains, as an enabling technology for Internet of Things (IoT) networks with hardware-limited devices. We investigate a channel coding aid...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
3 Citations
2,579 Views
15 Pages

28 September 2024

Background/Objectives: Neural decoding methods are often limited by the performance of brain encoders, which map complex brain signals into a latent representation space of perception information. These brain encoders are constrained by the limited a...

(This article belongs to the Special Issue Computational Neuroscience and Artificial Intelligence: Cross-Talks and Interrelated Contributions)
  • Article
  • Open Access
529 Views
18 Pages

13 May 2026

Reliable monocular depth estimation (MDE) is essential for agricultural robots and unmanned platforms, where low-cost visual perception is required for safe navigation and scene understanding in complex field environments. However, general-purpose de...

(This article belongs to the Special Issue Enhancing Generalization in Agricultural AI: Bridging Data Gaps and Boosting Model Robustness)
  • Article
  • Open Access
2,220 Views
23 Pages

24 April 2025

Despite their unprecedented success, artificial neural networks suffer extreme opacity and weakness in learning general knowledge from limited experience. Some argue that the key to overcoming those limitations in artificial neural networks is effici...

(This article belongs to the Special Issue Optimization Algorithms and Their Applications)
  • Article
  • Open Access
2 Citations
3,259 Views
20 Pages

13 August 2025

Quantum error correction (QEC) is crucial for achieving reliable quantum computation. Among topological QEC codes, color codes can correct bit-flip and phase-flip errors simultaneously, enabling efficient resource utilization. However, existing decod...

(This article belongs to the Topic Quantum Information and Quantum Computing, 2nd Volume)
  • Article
  • Open Access
4 Citations
4,161 Views
26 Pages

12 February 2025

The Brain–Computer Interface (BCI) has applications in smart homes and healthcare by converting EEG signals into control commands. However, traditional EEG signal decoding methods are affected by individual differences, and although deep learni...

  • Article
  • Open Access
2 Citations
3,626 Views
17 Pages

13 August 2020

In this paper, a non-binary low-density parity-check (NB-LDPC) coded high-order continuous phase modulation (CPM) system is designed and optimized to improve power and iterative efficiencies. Firstly, the minimum squared normalized Euclidean distance...

(This article belongs to the Special Issue Iterative Numerical Functional Analysis with Applications)
  • Feature Paper
  • Article
  • Open Access
16 Citations
3,668 Views
19 Pages

Minimum-Integer Computation Finite Alphabet Message Passing Decoder: From Theory to Decoder Implementations towards 1 Tb/s

  • Tobias Monsees,
  • Oliver Griebel,
  • Matthias Herrmann,
  • Dirk Wübben and ,
  • Armin Dekorsy and
  • Norbert Wehn
  • + 1 author+ 0 author

12 October 2022

In Message Passing (MP) decoding of Low-Density Parity Check (LDPC) codes, extrinsic information is exchanged between Check Nodes (CNs) and Variable Nodes (VNs). In a practical implementation, this information exchange is limited by quantization usin...

(This article belongs to the Special Issue Theory and Application of the Information Bottleneck Method)
  • Article
  • Open Access
3 Citations
3,184 Views
16 Pages

8 December 2021

An efficient iterative timing recovery via steepest descent of low-density parity-check (LDPC) decoding metrics is presented. In the proposed algorithm, a more accurate symbol timing synchronization is achieved at a low signal-to-noise (SNR) without...

(This article belongs to the Special Issue State-of-the-Art in Satellite Communication Networks)
  • Article
  • Open Access
12 Citations
2,763 Views
28 Pages

26 September 2024

The multi-stage, multi-level assembly job shop scheduling problem (MsMlAJSP) is commonly encountered in the manufacturing of complex customized products. Ensuring production efficiency while effectively improving energy utilization is a key focus in...

  • Article
  • Open Access
8 Citations
4,293 Views
20 Pages

EGFormer: An Enhanced Transformer Model with Efficient Attention Mechanism for Traffic Flow Forecasting

  • Zhihui Yang,
  • Qingyong Zhang,
  • Wanfeng Chang,
  • Peng Xiao and
  • Minglong Li

6 January 2024

Due to the regular influence of human activities, traffic flow data usually exhibit significant periodicity, which provides a foundation for further research on traffic flow data. However, the temporal dependencies in traffic flow data are often obsc...

(This article belongs to the Topic Advanced Energy and Propulsion Technology for Electric and Intelligent Transportation)
  • Article
  • Open Access
2 Citations
2,562 Views
17 Pages

28 April 2021

In 2017, Polyanskiy showed that the trade-off between power and bandwidth efficiency for massive Gaussian random access is governed by two fundamentally different regimes: low power and high power. For both regimes, tight performance bounds were foun...

(This article belongs to the Special Issue Information-Theoretic Aspects of Non-orthogonal and Massive Access for Future Wireless Networks)
  • Article
  • Open Access
4 Citations
3,582 Views
13 Pages

Energy-Efficient Subcarrier Pairing and Power Allocation for DF Relay Networks with an Eavesdropper

  • Keshav Singh,
  • Meng-Lin Ku,
  • Sudip Biswas and
  • Tharmalingam Ratnarajah

24 November 2017

Algorithms for joint subcarrier pairing and power allocation are investigated in order to maximize the worst-case energy efficiency (EE) in dual-hop decode-and-forward (DF) relay networks in the presence of an active eavesdropper. Accordingly, we stu...

  • Article
  • Open Access
20 Citations
5,076 Views
17 Pages

An FPGA Design with High Memory Efficiency and Decoding Performance for 5G LDPC Decoder

  • Bich Ngoc Tran-Thi,
  • Thien Truong Nguyen-Ly and
  • Trang Hoang

30 August 2023

A hardware-efficient implementation of a Low-Density Parity-Check (LDPC) decoder is presented in this paper. The proposed decoder design is based on the Hybrid Offset Min-Sum (HOMS) algorithm. In the check node processing of this decoder, only the fi...

  • Article
  • Open Access
2 Citations
2,746 Views
16 Pages

Revisiting Information Detection and Energy Harvesting: A Power Splitting-Based Approach

  • Jaehong Kim,
  • Won-Yong Shin,
  • Xin Kang,
  • Han Lim Lee and
  • Jingon Joung

26 November 2020

Wireless sensors are becoming essential in machine-type communications and Internet of Things. As the key performance metrics, the spectral efficiency as well as the energy efficiency have been considered while determining the effectiveness of sensor...

  • Article
  • Open Access
5 Citations
2,954 Views
18 Pages

30 November 2024

Low-density parity-check (LDPC) codes form part of the IRIG-106 standard and have been successfully deployed for the Telemetry Group version of shaped-offset quadrature phase shift keying (SOQPSK-TG) modulation. Recently, LDPC code solutions have bee...

(This article belongs to the Section Information Theory, Probability and Statistics)
  • Article
  • Open Access
10 Citations
2,230 Views
46 Pages

7 June 2024

This paper proposes a cognitive radio network (CRN)-based hybrid wideband precoding for maximizing spectral efficiency in millimeter-wave relay-assisted multi-user (MU) multiple-input multiple-output (MIMO) systems. The underlying problem is NP-hard...

(This article belongs to the Section Communications)
  • Article
  • Open Access
25 Citations
3,355 Views
23 Pages

15 November 2019

Hybrid architectures are used in the Millimeter wave (mmWave) Massive MIMO systems, which use a smaller number of RF chains and reduces the power and energy consumption of the mmWave Massive MIMO systems. However, the majority of the hybrid architect...

  • Article
  • Open Access
9 Citations
4,272 Views
22 Pages

20 January 2025

With the continuous advancement of deep neural networks, salient object detection (SOD) in natural images has made significant progress. However, SOD in optical remote sensing images (ORSI-SOD) remains a challenging task due to the diversity of objec...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
15 Citations
7,051 Views
15 Pages

Hardware-Based Activation Function-Core for Neural Network Implementations

  • Griselda González-Díaz_Conti,
  • Javier Vázquez-Castillo,
  • Omar Longoria-Gandara,
  • Alejandro Castillo-Atoche and ,
  • Roberto Carrasco-Alvarez,
  • Adolfo Espinoza-Ruiz and
  • Erica Ruiz-Ibarra
  • + 2 authors+ 0 author

Today, embedded systems (ES) tend towards miniaturization and the carrying out of complex tasks in applications such as the Internet of Things, medical systems, telecommunications, among others. Currently, ES structures based on artificial intelligen...

(This article belongs to the Special Issue Approximate Computing: Design, Acceleration, Validation and Testing of Circuits, Architectures and Algorithms in Future Systems)
  • Article
  • Open Access
11 Citations
2,377 Views
15 Pages

7 October 2023

The signal quality in high-bandwidth free space optical (FSO) systems deteriorates due to atmospheric turbulence and pointing errors. Employing techniques such as adaptive transmission and relay selection (RS) can mitigate their effects. This paper a...

(This article belongs to the Special Issue Advanced Technologies in Optical and Microwave Transmission)
  • Article
  • Open Access
7 Citations
6,126 Views
24 Pages

18 April 2019

This article studied the application of multiple protocol switching mechanism (PSM) over cooperating Non-Orthogonal Multiple Access (NOMA) networks to minimize the probability of outage and maximize the system throughput and energy efficiency (EE). T...

(This article belongs to the Special Issue Green Wireless Networks in 5G-inspired Applications)
  • Article
  • Open Access
5 Citations
3,706 Views
15 Pages

Averting BER Floor with Iterative Source and Channel Decoding for Layered Steered Space-Time Codes

  • Nasru Minallah,
  • Ishtiaque Ahmed,
  • Jaroslav Frnda and
  • Khurram S. Khattak

29 September 2021

The widespread development in wireless technologies and the advancements in multimedia communication have brought about a positive impact on the performance of wireless transceivers. We investigate the performance of our three-stage turbo detected sy...

(This article belongs to the Section Communications)
  • Article
  • Open Access
8 Citations
3,341 Views
12 Pages

Efficient Layered Parallel Architecture and Application for Large Matrix LDPC Decoder

  • Jimin Wang,
  • Jiarui Yang,
  • Guojie Zhang,
  • Xiaoyang Zeng and
  • Yun Chen

7 September 2023

For a 50G passive optical network (PON) low-density parity-check (LDPC) decoder, decoding performance and area efficiency must be balanced. This paper adopts a layered decoder method to improve the area efficiency of the decoder. By parallel processi...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
1 Citations
2,456 Views
13 Pages

20 October 2022

Blaum–Roth Codes are binary maximum distance separable (MDS) array codes over the binary quotient ring F2[x]/(Mp(x)), where Mp(x)=1+x+⋯+xp−1, and p is a prime number. Two existing all-erasure decoding methods for Blaum–Roth co...

(This article belongs to the Special Issue Information Theory and Network Coding II)
  • Article
  • Open Access
2 Citations
2,012 Views
14 Pages

An Efficient Two-Stage Decoding Scheme for LDPC-CRC Concatenated Codes

  • Lingjun Kong,
  • Haiyang Liu,
  • Yuezhuang Shi and
  • Jiacheng Miao

25 August 2025

In modern communication systems, the concatenation of a low-density parity-check (LDPC) code with a cyclic redundancy check (CRC) code is commonly used for error correction. In this paper, we propose a low-complexity two-stage scheme for decoding the...

(This article belongs to the Section Information Theory, Probability and Statistics)
  • Article
  • Open Access
5 Citations
4,260 Views
15 Pages

A new decoding method for low-density parity-check (LDPC) codes is presented to lower the energy consumption of LDPC decoders for NAND flash-based storage systems. Since the channel condition of NAND flash memory is reliable for most of its lifetime,...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
1 Citations
2,346 Views
19 Pages

Efficient Pipeline Conflict Resolution for Layered QC-LDPC Decoders in OFDM-PON

  • Zhijie Wang,
  • Zhengjun Xu,
  • Kun Chen,
  • Yuanzhe Qu and ,
  • Xiaoqun Liu,
  • Yingchun Li and
  • Junjie Zhang
  • + 2 authors+ 0 author

The high standard of communication quality in optical access networks makes forward error correction (FEC) schemes, such as LDPC, an integral part of the system. However, pipeline conflict arising from data dependencies is a common issue encountered...

(This article belongs to the Section Optical Communication and Network)
  • Article
  • Open Access
1 Citations
7,354 Views
10 Pages

Energy-Efficient Hardware Implementation of an LR-Aided K-Best MIMO Decoder for 5G Networks

  • Basel Halak,
  • Mohammed El-Hajjar,
  • Ogeen H. Toma and
  • Zhuofan Cheng

Energy efficiency is a primary design goal for future green wireless communication technologies. Multiple-input multiple-output (MIMO) schemes have been proposed in the literature to improve the throughput of communication systems, and they are expec...

  • Article
  • Open Access
527 Views
23 Pages

30 July 2026

Error-correcting codes improve the reliability of data exchanged between transmitters and receivers; achieving efficient and fast decoding is a major challenge. In this work, we propose an efficient, fast, and high-performing decoder named FastSyndIS...

(This article belongs to the Section Information and Communications Technology)
  • Article
  • Open Access
8 Citations
4,089 Views
11 Pages

Energy Efficient Self-Adaptive Dual Mode Logic Address Decoder

  • Kevin Vicuña,
  • Cristhopher Mosquera,
  • Ariana Musello,
  • Sara Benedictis and ,
  • Mateo Rendón,
  • Esteban Garzón,
  • Luis Miguel Prócel,
  • Lionel Trojman and
  • Ramiro Taco
  • + 4 authors+ 0 author

This paper presents a 1024-bit self-adaptive memory address decoder based on Dual Mode Logic (DML) design style to allow working in two modes of operation (i.e., dynamic for high-performance and static for energy-saving). The main novelty of this wor...

(This article belongs to the Special Issue Design of Ultra-Low Voltage/Power Circuits and Systems)
  • Article
  • Open Access
1 Citations
1,421 Views
18 Pages

25 January 2026

Extreme summarization generates very short summaries, typically a single sentence, answering the question “What is the document about?”. Although large language models perform well in text generation, fine-tuning them for summarization of...

(This article belongs to the Topic Applications of NLP, AI, and ML in Software Engineering)
  • Article
  • Open Access
2 Citations
2,544 Views
15 Pages

14 June 2024

With the rapid advancement of urban intelligence, there is an increasingly urgent demand for technological innovation in traffic management. License plate recognition technology can achieve high accuracy under ideal conditions but faces significant c...

(This article belongs to the Section Evolutionary Algorithms and Machine Learning)
  • Article
  • Open Access
934 Views
11 Pages

Hardware Efficient FPGA Implementation of a Layered QC-LDPC Decoder for Ultra-Reliable Low-Latency Communications

  • Bilal Mejmaa,
  • Chakir Aqil,
  • Abdelaziz Lberni,
  • Ismail Akharraz and
  • Abdelaziz Ahaitouf

4 August 2026

Low-Density Parity-Check (LDPC) codes have traditionally performed better at longer code lengths. This research develops and rigorously evaluates a layered Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) decoder architecture intended for Ultra-Reliab...

(This article belongs to the Special Issue Neuromorphic Chips at the Intersection of Neuroscience, Electronics and AI)
  • Article
  • Open Access
2 Citations
1,826 Views
38 Pages

5 November 2025

This paper presents a Deep Autoencoder–LDPC–OFDM (DAE–LDPC–OFDM) transceiver architecture that integrates a learned belief propagation (BP) decoder to achieve robust, energy-efficient, and adaptive wireless communication. Unli...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
49 Citations
5,497 Views
15 Pages

21 September 2022

In the present work, we propose a novel method utilizing only a decoder for generation of pseudo-examples, which has shown great success in image classification tasks. The proposed method is particularly constructive when the data are in a limited qu...

(This article belongs to the Special Issue Computer Vision, Pattern Recognition, Machine Learning, and Symmetry)
  • Article
  • Open Access
14 Citations
4,966 Views
23 Pages

26 January 2023

This paper is dedicated to video coding based on a compressive sensing (CS) framework. In CS, it is assumed that if a video sequence is sparse in some transform domain, then it could be reconstructed from a much lower number of samples (called measur...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
4 Citations
2,316 Views
18 Pages

Research on electroencephalogram-based motor imagery (MI-EEG) can identify the limbs of subjects that generate motor imagination by decoding EEG signals, which is an important issue in the field of brain–computer interface (BCI). Existing deep-...

(This article belongs to the Section Biosignal Processing)
  • Article
  • Open Access
6 Citations
4,036 Views
21 Pages

Accurate object detection and an understanding of the surroundings are key requirements when applying computer vision systems in the automotive or robotics industries, namely with autonomous vehicles or self-driving robots. A precise understanding of...

(This article belongs to the Special Issue Recent Developments in Machine Design, Automation and Robotics)
  • Article
  • Open Access
3 Citations
2,832 Views
18 Pages

Design and Implementation of a Highly Efficient Quasi-Cyclic Low-Density Parity-Check Transceiving System Using an Overlapping Decoder

  • Yuxuan Sun,
  • Liangbin Zhao,
  • Jianguo Li,
  • Ziyi Zhang and ,
  • Xiao Yang and
  • Xiangyuan Bu
  • + 1 author+ 0 author

12 September 2023

The traditional LDPC encoding and decoding system is characterized by low throughput and high resource consumption, making it unsuitable for use in cost-efficient, energy-saving sensor networks. Aiming to optimize coding complexity and throughput, th...

(This article belongs to the Special Issue Non-orthogonal Transmission Technologies for Ubiquitous Sensor Networks)
  • Article
  • Open Access
5 Citations
2,865 Views
10 Pages

14 September 2020

Benefiting from the booming of deep learning, the state-of-the-art models achieved great progress. But they are huge in terms of parameters and floating point operations, which makes it hard to apply them to real-time applications. In this paper, we...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
3 Citations
3,087 Views
23 Pages

Efficient Decoder and Intermediate Domain for Semantic Segmentation in Adverse Conditions

  • Xiaodong Chen,
  • Nan Jiang,
  • Yifeng Li,
  • Guangliang Cheng and ,
  • Zheng Liang,
  • Zuobin Ying,
  • Qi Zhang and
  • Runsheng Zhao
  • + 3 authors+ 0 author

19 January 2024

In smart city contexts, traditional methods for semantic segmentation are affected by adverse conditions, such as rain, fog, or darkness. One challenge is the limited availability of semantic segmentation datasets, specifically for autonomous driving...

(This article belongs to the Section Smart Urban Mobility, Transport, and Logistics)
  • Communication
  • Open Access
10 Citations
4,099 Views
13 Pages

An Efficient Turbo Decoding and Frequency Domain Turbo Equalization for LTE Based Narrowband Internet of Things (NB-IoT) Systems

  • Mohammed Jajere Adamu,
  • Li Qiang,
  • Rabiu Sale Zakariyya,
  • Charles Okanda Nyatega and ,
  • Halima Bello Kawuwa and
  • Ayesha Younis
  • + 1 author+ 0 author

8 August 2021

This paper addresses the main crucial aspects of physical (PHY) layer channel coding in uplink NB-IoT systems. In uplink NB-IoT systems, various channel coding algorithms are deployed due to the nature of the adopted Long-Term Evolution (LTE) channel...

(This article belongs to the Special Issue Wireless Sensor Networks and Communications)
  • Article
  • Open Access
2 Citations
2,273 Views
12 Pages

22 November 2024

Video object tracking has taken advantage of pre-trained weights on large-scale datasets. However, most trackers fully fine-tune all the backbone’s parameters for adjusting to tracking-specific representations, where the utilization rate of par...

(This article belongs to the Special Issue Selected Papers from the 7th Asian Conference on Artificial Intelligence Technology (ACAIT 2023))
  • Article
  • Open Access
2,827 Views
19 Pages

24 December 2022

In some satellite Internet of Things (IoT) devices with terrain shielding, the qualities of the direct source-destination (S-D) channel are poor, requiring cooperative communications with multi-relays to be employed. In order to solve error propagati...

(This article belongs to the Special Issue Satellite Based IoT Networks for Emerging Applications)
  • Article
  • Open Access
63 Citations
10,203 Views
19 Pages

Efficient U-Net Architecture with Multiple Encoders and Attention Mechanism Decoders for Brain Tumor Segmentation

  • Ilyasse Aboussaleh,
  • Jamal Riffi,
  • Khalid El Fazazy,
  • Mohamed Adnane Mahraz and
  • Hamid Tairi

24 February 2023

The brain is the center of human control and communication. Hence, it is very important to protect it and provide ideal conditions for it to function. Brain cancer remains one of the leading causes of death in the world, and the detection of malignan...

(This article belongs to the Special Issue Artificial Intelligence for Magnetic Resonance Imaging)
  • Article
  • Open Access
32 Citations
7,397 Views
15 Pages

Decoding Strategies for Improving Low-Resource Machine Translation

  • Chanjun Park,
  • Yeongwook Yang,
  • Kinam Park and
  • Heuiseok Lim

24 September 2020

Pre-processing and post-processing are significant aspects of natural language processing (NLP) application software. Pre-processing in neural machine translation (NMT) includes subword tokenization to alleviate the problem of unknown words, parallel...

(This article belongs to the Special Issue Smart Processing for Systems under Uncertainty or Perturbation)

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