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Chaotic signals offer promising characteristics for wireless communications due to their wideband nature, low cross-correlation, and sensitivity to initial conditions. Although classical chaotic modulation schemes like Chaos Shift Keying…

Signal Processing · Electrical Eng. & Systems 2024-09-11 Marc Martinez-Gost , Ana Pérez-Neira , Miguel Ángel Lagunas

Intelligent reflecting surface (IRS) is a promising technology for beyond 5th Generation of the wireless communications. In fully passive IRS-assisted systems, channel estimation is challenging and should be carried out only at the base…

Specific emitter identification (SEI) utilizes passive hardware characteristics to authenticate transmitters, providing a robust physical-layer security solution. However, most deep-learning-based methods rely on extensive data or require…

Signal Processing · Electrical Eng. & Systems 2025-12-19 Chenyu Zhu , Zeyang Li , Ziyi Xie , Jie Zhang

Symbolic regression aims to find a function that best explains the relationship between independent variables and the objective value based on a given set of sample data. Genetic programming (GP) is usually considered as an appropriate…

Neural and Evolutionary Computing · Computer Science 2022-09-26 Changtong Luo , Chen Chen , Zonglin Jiang

The detection problem in the Gaussian interference channel is addressed, when transmitters employ non-Gaussian schemes designed for the single-user Gaussian channel. A structure consisting of a separate symbol-by-symbol detector and a hard…

Information Theory · Computer Science 2009-07-09 Jungwon Lee , Dimitris Toumpakaris , Hui-Ling Lou

Sparse Code Multiple Access (SCMA) is a disruptive code-domain non-orthogonal multiple access (NOMA) scheme to enable \color{black}future massive machine-type communication networks. As an evolved variant of code division multiple access…

Signal Processing · Electrical Eng. & Systems 2022-05-17 Saumya Chaturvedi , Zilong Liu , Vivek Ashok Bohara , Anand Srivastava , Pei Xiao

Recent breakthroughs in natural language processing show that attention mechanism in Transformer networks, trained via masked-token prediction, enables models to capture the semantic context of the tokens and internalize the grammar of…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Oguz Bedir , Nurullah Sevim , Mostafa Ibrahim , Sabit Ekin

Symbolic Regression (SR) is a powerful technique for automatically discovering mathematical expressions from input data. Mainstream SR algorithms search for the optimal symbolic tree in a vast function space, but the increasing complexity…

Machine Learning · Computer Science 2026-02-03 Xinxin Li , Juan Zhang , Da Li , Xingyu Liu , Jin Xu , Junping Yin

Semantic communication is considered the future of mobile communication, which aims to transmit data beyond Shannon's theorem of communications by transmitting the semantic meaning of the data rather than the bit-by-bit reconstruction of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Maheshi Lokumarambage , Vishnu Gowrisetty , Hossein Rezaei , Thushan Sivalingam , Nandana Rajatheva , Anil Fernando

Semantic communications could improve the transmission efficiency significantly by exploring the semantic information. In this paper, we make an effort to recover the transmitted speech signals in the semantic communication systems, which…

Signal Processing · Electrical Eng. & Systems 2021-09-09 Zhenzi Weng , Zhijin Qin

Communication and sensing are two important features of connected and autonomous vehicles (CAVs). In traditional vehicle-mounted devices, communication and sensing modules exist but in an isolated way, resulting in a waste of hardware…

Signal Processing · Electrical Eng. & Systems 2023-03-01 Dingyan Cong , Shuaishuai Guo , Shuping Dang , Haixia Zhang

The beyond-diagonal reconfigurable intelligent surface (BD-RIS) is a recent architecture in which scattering elements are interconnected to enhance the degrees of freedom for wave control, yielding performance gains over traditional…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Gilderlan Tavares de Araújo , André L. F. de Almeida , Buno Sokal , Gabor Fodor

Inspired by compressive sensing principles, we propose novel error control coding techniques for communication systems. The information bits are encoded in the support and the non-zero entries of a sparse signal. By selecting a dictionary…

Information Theory · Computer Science 2021-02-09 Madhusudan Kumar Sinha , Arun Pachai Kannu

Generative semantic communication (Gen-SemCom) with large artificial intelligence (AI) model promises a transformative paradigm for 6G networks, which reduces communication costs by transmitting low-dimensional prompts rather than raw data.…

Image and Video Processing · Electrical Eng. & Systems 2025-05-16 Jianhao Huang , Qunsong Zeng , Kaibin Huang

We investigate an integrated sensing and communication (ISAC)-enabled BS for the unmanned aerial vehicle (UAV) obstacle avoidance task, and propose a goal-oriented semantic communication (GOSC) framework for the BS to transmit sensing and…

Robotics · Computer Science 2026-03-04 Wenjie Liu , Yansha Deng , Henk Wymeersch

The spatial Sigma-Delta ($\Sigma\Delta$) architecture can be leveraged to reduce the quantization noise and enhance the effective resolution of few-bit analog-to-digital converters (ADCs) at certain spatial frequencies of interest.…

Signal Processing · Electrical Eng. & Systems 2025-09-22 Toan-Van Nguyen , Sajjad Nassirpour , Italo Atzeni , Antti Tolli , A. Lee Swindlehurst , Duy H. N. Nguyen

Medical applications have driven many areas of engineering to optimize diagnostic capabilities and convenience. In the near future, wireless body area networks (WBANs) are expected to have widespread impact in medicine. To achieve this…

Information Theory · Computer Science 2021-12-15 Jihoon Cha , Junil Choi , David J. Love

The conventional grant-based network relies on the handshaking between base station and active users to achieve dynamic multi-user scheduling, which may cost large signaling overheads as well as system latency. To address those problems,…

Signal Processing · Electrical Eng. & Systems 2017-11-27 Fan Wei , Wen Chen , Yongpeng Wu , Jun Ma , Theodoros A. Tsiftsis

This study is focused on applying genetic algorithms (GA) to model and band selection in hyperspectral image classification. We use a forensic-inspired data set of seven hyperspectral images with blood and five visually similar substances…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Filip Pałka , Wojciech Książek , Paweł Pławiak , Michał Romaszewski , Kamil Książek

This paper presents a novel semantic-enhanced decoding scheme for transmitting natural language sentences with multiple short block codes over noisy wireless channels. After ASCII source coding, the natural language sentence message is…

Signal Processing · Electrical Eng. & Systems 2025-05-15 Jiafu Hao , Chentao Yue , Hao Chang , Branka Vucetic , Yonghui Li
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