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The physical layer (PHY) in wireless communication systems has traditionally relied on model-based methods that are often optimized individually as independent blocks to perform tasks such as modulation, coding, and channel estimation.…

Information Theory · Computer Science 2026-03-16 Abdelrahman Elfiky , Zouheir Rezki , Jorge Cortez , Youssef Boumhaout , Anne Xia , Abdulkadir Celik , Georges Kaddoum

Precise channel state knowledge is crucial in future wireless communication systems, which drives the need for accurate channel prediction without additional pilot overhead. While machine-learning (ML) methods for channel prediction show…

Information Theory · Computer Science 2025-02-26 Hwanjin Kim , Junil Choi , David J. Love

Integrated sensing and communication (ISAC) and intelligent reflecting surface (IRS) are viewed as promising technologies for future generations of wireless networks. This paper investigates the channel estimation problem in an IRS-assisted…

Signal Processing · Electrical Eng. & Systems 2024-04-09 Yu Liu , Ibrahim Al-Nahhal , Octavia A. Dobre , Fanggang Wang

The support of artificial intelligence (AI) based decision-making is a key element in future 6G networks, where the concept of native AI will be introduced. Moreover, AI is widely employed in different critical applications such as…

Artificial Intelligence · Computer Science 2025-04-08 Abdul Karim Gizzini , Yahia Medjahdi , Ali J. Ghandour , Laurent Clavier

Recently, deep learning enabled semantic communications have been developed to understand transmission content from semantic level, which realize effective and accurate information transfer. Aiming to the vision of sixth generation (6G)…

Signal Processing · Electrical Eng. & Systems 2024-03-04 Zhengyu Zhang , Ruisi He , Mi Yang , Xuejian Zhang , Ziyi Qi , Yuan Yuan , Bo Ai

In this work, we propose a deep learning (DL)-based approach that integrates a state-of-the-art algorithm with a time-frequency (TF) learning framework to minimize overall latency. Meeting the stringent latency requirements of 6G orthogonal…

Signal Processing · Electrical Eng. & Systems 2025-03-12 Mauro Marchese , Henk Wymeersch , Paolo Spallaccini , Stefano Chinnici , Pietro Savazzi

Based on its great successes in inference and denosing tasks, Dictionary Learning (DL) and its related sparse optimization formulations have garnered a lot of research interest. While most solutions have focused on single layer…

Machine Learning · Computer Science 2021-04-22 Wen Tang , Emilie Chouzenoux , Jean-Christophe Pesquet , Hamid Krim

Existing communication systems exhibit inherent limitations in translating theory to practice when handling the complexity of optimization for emerging wireless applications with high degrees of freedom. Deep learning has a strong potential…

Networking and Internet Architecture · Computer Science 2020-05-14 Tugba Erpek , Timothy J. O'Shea , Yalin E. Sagduyu , Yi Shi , T. Charles Clancy

Wireless communications systems are impacted by multi-path fading and Doppler shift in dynamic environments, where the channel becomes doubly-dispersive and its estimation becomes an arduous task. Only a few pilots are used for channel…

Information Theory · Computer Science 2022-06-07 Abdul Karim Gizzini , Marwa Chafii

With the ever-improving computing capabilities and storage capacities of mobile devices in line with evolving telecommunication network paradigms, there has been an explosion of research interest towards exploring Distributed Learning (DL)…

Networking and Internet Architecture · Computer Science 2023-03-24 Shashank Jere , Yifei Song , Yang Yi , Lingjia Liu

Deep Learning (DL) has become a crucial technology for Artificial Intelligence (AI). It is a powerful technique to automatically extract high-level features from complex data which can be exploited for applications such as computer vision,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-10 Gael Kamdem De Teyou

The integration with artificial intelligence (AI) is recognized as one of the six usage scenarios in next-generation wireless communications. However, several critical challenges hinder the widespread application of deep learning (DL)…

Networking and Internet Architecture · Computer Science 2024-09-09 Ouya Wang , Hengtao He , Shenglong Zhou , Zhi Ding , Shi Jin , Khaled B. Letaief , Geoffrey Ye Li

Deep learning (DL) has achieved great success in signal processing and communications and has become a promising technology for future wireless communications. Existing works mainly focus on exploiting DL to improve the performance of…

Information Theory · Computer Science 2024-10-30 Jiajia Guo , Jinghe Wang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

We study a deep learning (DL) based limited feedback methods for multi-antenna systems. Deep neural networks (DNNs) are introduced to replace an end-to-end limited feedback procedure including pilot-aided channel training process, channel…

Information Theory · Computer Science 2019-12-20 Jeonghyeon Jang , Hoon Lee , Sangwon Hwang , Haibao Ren , Inkyu Lee

This letter presents the first work introducing a deep learning (DL) framework for channel estimation in large intelligent surface (LIS) assisted massive MIMO (multiple-input multiple-output) systems. A twin convolutional neural network…

Signal Processing · Electrical Eng. & Systems 2020-09-11 Ahmet M. Elbir , A Papazafeiropoulos , P. Kourtessis , S. Chatzinotas

The full future of the sixth generation will develop a fully data-driven that provide terabit rate per second, and adopt an average of 1000+ massive number of connections per person in 10 years 2030 virtually instantaneously. Data-driven…

Signal Processing · Electrical Eng. & Systems 2021-08-24 Adeeb Salh , Lukman Audah , Qazwan Abdullah , Abdullah Noorsaliza , Nor Shahida Mohd Shah , Jameel Mukred , Shipun Hamzah

Accurate channel state information (CSI) is critical to the performance of wireless communication systems, especially with the increasing scale and complexity introduced by 5G and future 6G technologies. While artificial intelligence (AI)…

Information Theory · Computer Science 2025-07-08 Jiajia Guo , Peiwen Jiang , Chao-Kai Wen , Shi Jin , Jun Zhang

Reliability is of paramount importance for the physical layer of wireless systems due to its decisive impact on end-to-end performance. However, the uncertainty of prevailing deep learning (DL)-based physical layer algorithms is hard to…

Signal Processing · Electrical Eng. & Systems 2023-02-07 Wentao Yu , Hengtao He , Xianghao Yu , Shenghui Song , Jun Zhang , Khaled B. Letaief

The research about deep learning application for physical layer has been received much attention in recent years. In this paper, we propose a Deep Learning (DL) based channel estimator under time varying Rayleigh fading channel. We build…

Signal Processing · Electrical Eng. & Systems 2019-08-30 Qinbo Bai , Jintao Wang , Yue Zhang , Jian Song

Channel estimation is a critical task in intelligent reflecting surface (IRS)-assisted wireless systems due to the uncertainties imposed by environment dynamics and rapid changes in the IRS configuration. To deal with these uncertainties,…

Signal Processing · Electrical Eng. & Systems 2022-08-10 Ahmet M. Elbir , Sinem Coleri , Kumar Vijay Mishra