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The evolution of generative artificial intelligence (GenAI) constitutes a turning point in reshaping the future of technology in different aspects. Wireless networks in particular, with the blooming of self-evolving networks, represent a…

Computation and Language · Computer Science 2023-12-27 Lina Bariah , Qiyang Zhao , Hang Zou , Yu Tian , Faouzi Bader , Merouane Debbah

Cell-free (CF) massive multiple-input multiple-output (MIMO) systems, which exploit many geographically distributed access points to coherently serve user equipments via spatial multiplexing on the same time-frequency resource, has become a…

Information Theory · Computer Science 2023-06-14 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Dusit Niyato , Bo Ai , Mérouane Debbah , Khaled B. Letaief

Generative artificial intelligence (GAI), known for its powerful capabilities in image and text processing, also holds significant promise for the design and performance enhancement of future wireless networks. In this article, we explore…

Networking and Internet Architecture · Computer Science 2024-08-12 Jingyu Wang , Xuming Fang , Dusit Niyato , Tie Liu

The increasing demand for higher data rates, better quality of service, fully mobile and connected wireless networks lead the researchers to seek new solutions beyond 4G wireless systems. It is anticipated that 5G wireless networks, which…

Information Theory · Computer Science 2016-11-17 Ertugrul Basar

While interest in the application of generative AI (GenAI) in network optimization has surged in recent years, its rapid progress has often overshadowed critical limitations intrinsic to generative models that remain insufficiently examined…

Networking and Internet Architecture · Computer Science 2026-01-15 Bo Yang , Ruihuai Liang , Weixin Li , Han Wang , Xuelin Cao , Zhiwen Yu , Samson Lasaulce , Mérouane Debbah , Mohamed-Slim Alouini , H. Vincent Poor , Chau Yuen

Natural and expressive human motion generation is the holy grail of computer animation. It is a challenging task, due to the diversity of possible motion, human perceptual sensitivity to it, and the difficulty of accurately describing it.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Guy Tevet , Sigal Raab , Brian Gordon , Yonatan Shafir , Daniel Cohen-Or , Amit H. Bermano

Massive multiple-input multiple-output (MIMO) is a key technology for emerging next-generation wireless systems. Utilizing large antenna arrays at base-stations, massive MIMO enables substantial spatial multiplexing gains by simultaneously…

Signal Processing · Electrical Eng. & Systems 2022-04-13 Ly V. Nguyen , Nhan T. Nguyen , Nghi H. Tran , Markku Juntti , A. Lee Swindlehurst , Duy H. N. Nguyen

To explore the full potential of ultra-massive multiple-input multiple-output (MIMO) communication systems, it is fundamental to understand new ultra-massive MIMO channel characteristics and establish pervasive channel models. On this…

Information Theory · Computer Science 2025-01-22 Rui Feng , Cheng-Xiang Wang , Jie Huang , Xiqi Gao

In this paper, a novel semantic communication framework empowered by generative artificial intelligence (GAI) is proposed, to enhance the robustness against both channel noise and transmission data distribution shifts. A theoretical…

Machine Learning · Computer Science 2025-07-18 Xiucheng Wang , Honggang Jia , Nan Cheng

Motivated by the demand for energy-efficient communication solutions in the next generation cellular network, a mixed-ADC architecture for massive multiple input multiple output (MIMO) systems is proposed, which differs from previous works…

Information Theory · Computer Science 2016-11-18 Ning Liang , Wenyi Zhang

Massive multiple-input multiple-output (MIMO) is an important technology in fifth generation (5G) cellular networks and beyond. To help design the beamforming at the base station, 5G has introduced new support in the form of flexible…

Signal Processing · Electrical Eng. & Systems 2023-02-01 Ryan M. Dreifuerst , Robert W. Heath

Massive multiple-input-multiple-output (MIMO) transmission is a promising technology to improve the capacity and reliability of wireless systems. However, the number of antennas that can be equipped at a base station (BS) is limited by the…

Information Theory · Computer Science 2018-05-02 Qurrat-Ul-Ain Nadeem , Abla Kammoun , Mérouane Debbah , and Mohamed-Slim Alouini

Existing work in intelligent communications has recently made preliminary attempts to utilize multi-source sensing information (MSI) to improve the system performance. However, the research on MSI aided intelligent communications has not…

Signal Processing · Electrical Eng. & Systems 2020-12-01 Yuwen Yang , Feifei Gao , Chengwen Xing , Jianping An , Ahmed Alkhateeb

Diffusion Models have become a cornerstone of modern generative AI for their exceptional generation quality and controllability. However, their inherent \textit{multi-step iterations} and \textit{complex backbone networks} lead to…

Multiple antenna technologies have attracted large research interest for several decades and have gradually made their way into mainstream communication systems. Two main benefits are adaptive beamforming gains and spatial multiplexing,…

Information Theory · Computer Science 2020-03-26 Jiayi Zhang , Emil Björnson , Michail Matthaiou , Derrick Wing Kwan Ng , Hong Yang , David J. Love

Generative Artificial Intelligence (GenAI) models such as LLMs, GPTs, and Diffusion Models have recently gained widespread attention from both the research and the industrial communities. This survey explores their application in network…

Networking and Internet Architecture · Computer Science 2025-04-14 Giampaolo Bovenzi , Francesco Cerasuolo , Domenico Ciuonzo , Davide Di Monda , Idio Guarino , Antonio Montieri , Valerio Persico , Antonio Pescapè

We propose generative channel modeling to learn statistical channel models from channel input-output measurements. Generative channel models can learn more complicated distributions and represent the field data more faithfully. They are…

Information Theory · Computer Science 2022-03-17 Tribhuvanesh Orekondy , Arash Behboodi , Joseph B. Soriaga

Diffusion model (DM)-based channel estimation, which generates channel samples via a posteriori sampling stepwise with denoising process, has shown potential in high-precision channel state information (CSI) acquisition. However, slow…

Machine Learning · Computer Science 2025-11-17 Wenkai Liu , Nan Ma , Jianqiao Chen , Xiaoxuan Qi , Yuhang Ma

Since the first cellular networks were trialled in the 1970s, we have witnessed an incredible wireless revolution. From 1G to 4G, the massive traffic growth has been managed by a combination of wider bandwidths, refined radio interfaces,…

Information Theory · Computer Science 2019-09-09 Giovanni Interdonato , Emil Björnson , Hien Quoc Ngo , Pål Frenger , Erik G. Larsson

We propose a versatile feedback scheme for both single- and multi-user multiple-input multiple-output (MIMO) frequency division duplex (FDD) systems. Particularly, we propose utilizing a Gaussian mixture model (GMM) with a reduced number of…

Information Theory · Computer Science 2023-11-29 Nurettin Turan , Benedikt Fesl , Michael Koller , Michael Joham , Wolfgang Utschick