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Ultra-massive multiple-input multiple-output (UM-MIMO) technology is a key enabler for 6G networks, offering exceptional high data rates in millimeter-wave (mmWave) and Terahertz (THz) frequency bands. The deployment of large antenna arrays…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Ahmed Hussain , Asmaa Abdallah , Abdulkadir Celik , Ahmed M. Eltawil

In this paper, we develop a deep learning-based bandwidth allocation policy that is: 1) scalable with the number of users and 2) transferable to different communication scenarios, such as non-stationary wireless channels, different…

Networking and Internet Architecture · Computer Science 2025-11-04 Xin Hao , Changyang She , Phee Lep Yeoh , Yuhong Liu , Branka Vucetic , Yonghui Li

Extremely large-scale massive multiple-input-multiple-output (XL-MIMO) is regarded as a promising technology for next-generation communication systems. In order to enhance the beamforming gains, codebook-based beam training is widely…

Information Theory · Computer Science 2022-09-29 Wang Liu , Hong Ren , Cunhua Pan , Jiangzhou Wang

Recent years have witnessed growing interest in the application of deep neural networks (DNNs) for receiver design, which can potentially be applied in complex environments without relying on knowledge of the channel model. However, the…

Information Theory · Computer Science 2023-02-14 Tomer Raviv , Sangwoo Park , Osvaldo Simeone , Yonina C. Eldar , Nir Shlezinger

The dynamic allocation of spectrum in 5G / 6G networks is critical to efficient resource utilization. However, applying traditional deep reinforcement learning (DRL) is often infeasible due to its immense sample complexity and the safety…

Machine Learning · Computer Science 2026-03-02 Oluwaseyi Giwa , Tobi Awodunmila , Muhammad Ahmed Mohsin , Ahsan Bilal , Muhammad Ali Jamshed

Future sixth-generation (6G) systems are expected to leverage extremely large-scale multiple-input multiple-output (XL-MIMO) technology, which significantly expands the range of the near-field region. While accurate channel estimation is…

Information Theory · Computer Science 2023-10-30 Shicong Liu , Xianghao Yu , Zhen Gao , Derrick Wing Kwan Ng

Communications system with analog or hybrid analog/digital architectures usually relies on a pre-defined codebook to perform beamforming. With the increase in the size of the antenna array, the characteristics of the spherical wavefront in…

Information Theory · Computer Science 2022-12-16 Jiawei Chen , Feifei Gao , Mengnan Jian , Wanmai Yuan

Obtaining accurate and timely channel state information (CSI) is a fundamental challenge for large antenna systems. Mobile systems like 5G use a beam management framework that joins the initial access, beamforming, CSI acquisition, and data…

Signal Processing · Electrical Eng. & Systems 2024-03-06 Ryan M. Dreifuerst , Robert W. Heath

In broadband millimeter-wave (mm-Wave) systems, it is desirable to design hybrid beamformers with common analog beamformer for the entire band while employing different baseband beamformers in different frequency sub-bands. Furthermore, the…

Signal Processing · Electrical Eng. & Systems 2019-11-01 Ahmet M. Elbir , Kumar Vijay Mishra

Deep neural state-space models (SSMs) provide a powerful tool for modeling dynamical systems solely using operational data. Typically, neural SSMs are trained using data collected from the actual system under consideration, despite the…

Machine Learning · Computer Science 2022-11-16 Ankush Chakrabarty , Gordon Wichern , Christopher R. Laughman

Neural networks require a large amount of annotated data to learn. Meta-learning algorithms propose a way to decrease the number of training samples to only a few. One of the most prominent optimization-based meta-learning algorithms is…

Machine Learning · Computer Science 2022-06-14 Kostiantyn Khabarlak

6G wireless communication networks are expected to use extremely large-scale antenna arrays (ELAAs) to support higher throughput, massive connectivity, and improved system performance. ELAAs would fundamentally alter wave characteristics,…

Emerging Technologies · Computer Science 2025-09-23 Amjad Iqbal , Ala'a Al-Habashna , Gabriel Wainer , Gary Boudreau

Reconfigurable intelligent surface (RIS) can improve the capacity of the wireless communication system by providing the extra link between the base station (BS) and the user. In order to resist the "multiplicative fading" effect, RIS is…

Information Theory · Computer Science 2021-09-22 Xiuhong Wei , Linglong Dai , Yajun Zhao , Guanghui Yu , Xiangyang Duan

Six-dimensional movable antenna (6DMA) has been identified as a new disruptive technology for future wireless systems to support a large number of users with only a few antennas. However, the intricate relationships between the signal…

Information Theory · Computer Science 2025-06-23 Xiaodan Shao , Limei Hu , Yulong Sun , Xing Li , Yixiao Zhang , Jingze Ding , Xiaoming Shi , Feng Chen , Derrick Wing Kwan Ng , Robert Schober

Hybrid analog-digital signal processing (HSP) is an enabling technology to harvest the potential of millimeter-wave (mmWave) massive-MIMO communications. In this paper, we present a general deep learning (DL) framework for efficient design…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Alireza Morsali , Afshin Haghighat , Benoit Champagne

Deep Learning (DL) based neural receiver models are used to jointly optimize PHY of baseline receiver for cellular vehicle to everything (C-V2X) system in next generation (6G) communication, however, there has been no exploration of how…

Signal Processing · Electrical Eng. & Systems 2025-01-24 Osama Saleem , Mohammed Alfaqawi , Pierre Merdrignac , Abdelaziz Bensrhair , Soheyb Ribouh

Model Agnostic Meta Learning or MAML has become the standard for few-shot learning as a meta-learning problem. MAML is simple and can be applied to any model, as its name suggests. However, it often suffers from instability and…

Machine Learning · Computer Science 2024-11-04 JuneYoung Park , MinJae Kang

As one of the core technologies for 5G systems, massive multiple-input multiple-output (MIMO) introduces dramatic capacity improvements along with very high beamforming and spatial multiplexing gains. When developing efficient physical…

Information Theory · Computer Science 2023-11-01 Hengtao He , Xianghao Yu , Jun Zhang , Shenghui Song , Khaled B. Letaief

In this paper, we address the problem of reference tracking for uncertain nonlinear systems. Since collecting data from the target system (i.e., the system of interest) is often challenging, our objective is to design optimal controllers…

Artificial Intelligence · Computer Science 2026-05-22 Jiaqi Yan , Ankush Chakrabarty , Niklas Schmid , John Lygeros , Alisa Rupenyan

The sixth generation (6G) wireless systems are envisioned to enable the paradigm shift from "connected things" to "connected intelligence", featured by ultra high density, large-scale, dynamic heterogeneity, diversified functional…

Signal Processing · Electrical Eng. & Systems 2023-01-10 Yandong Shi , Lixiang Lian , Yuanming Shi , Zixin Wang , Yong Zhou , Liqun Fu , Lin Bai , Jun Zhang , Wei Zhang
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