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Related papers: Cell-Free Massive MIMO for Wireless Federated Lear…

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Due to its communication efficiency and privacy-preserving capability, federated learning (FL) has emerged as a promising framework for machine learning in 5G-and-beyond wireless networks. Of great interest is the design and optimization of…

Information Theory · Computer Science 2022-06-13 Tung T. Vu , Duy T. Ngo , Hien Quoc Ngo , Minh N. Dao , Nguyen H. Tran , Richard H. Middleton

Federated learning (FL) has been considered as a promising learning framework for future machine learning systems due to its privacy preservation and communication efficiency. In beyond-5G/6G systems, it is likely to have multiple FL groups…

Information Theory · Computer Science 2021-07-21 Tung T. Vu , Hien Quoc Ngo , Thomas L. Marzetta , Michail Matthaiou

With its privacy preservation and communication efficiency, federated learning (FL) has emerged as a promising learning framework for beyond 5G wireless networks. It is anticipated that future wireless networks will jointly serve both FL…

Signal Processing · Electrical Eng. & Systems 2022-05-24 Muhammad Farooq , Tung Thanh Vu , Hien Quoc Ngo , Le-Nam Tran

Federated learning (FL) is a distributed learning paradigm wherein users exchange FL models with a server instead of raw datasets, thereby preserving data privacy and reducing communication overhead. However, the increased number of FL…

Machine Learning · Computer Science 2024-04-30 Afsaneh Mahmoudi , Mahmoud Zaher , Emil Björnson

With its privacy preservation and communication efficiency, federated learning (FL) has emerged as a learning framework that suits beyond 5G and towards 6G systems. This work looks into a future scenario in which there are multiple groups…

Information Theory · Computer Science 2021-10-19 Tung T. Vu , Hien Quoc Ngo , Duy T. Ngo , Minh N Dao , Erik G. Larsson

Cell-free massive MIMO (CF mMIMO) is a promising next generation wireless architecture to realize federated learning (FL). However, sensitive information of user equipments (UEs) may be exposed to the involved access points or the central…

Information Theory · Computer Science 2022-12-01 Jiayi Zhang , Jing Zhang , Derrick Wing Kwan Ng , Bo Ai

Federated learning (FL) is recognized as a key enabling technology to support distributed artificial intelligence (AI) services in future 6G. By supporting decentralized data training and collaborative model training among devices, FL…

Signal Processing · Electrical Eng. & Systems 2021-11-02 Shaoming Huang , Pengfei Zhang , Yijie Mao , Lixiang Lian , Yuanming Shi

Federated Learning (FL) enables clients to share learning parameters instead of local data, reducing communication overhead. Traditional wireless networks face latency challenges with FL. In contrast, Cell-Free Massive MIMO (CFmMIMO) can…

Machine Learning · Computer Science 2024-12-31 Afsaneh Mahmoudi , Ming Xiao , Emil Björnson

Federated learning (FL) with its data privacy protection and communication efficiency has been considered as a promising learning framework for beyond-5G/6G systems. We consider a scenario where a group of downlink non-FL users are jointly…

Signal Processing · Electrical Eng. & Systems 2023-01-11 Muhammad Farooq , Tung T. Vu , Hien Quoc Ngo , Le-Nam Tran

In-band full-duplex (FD) operation is practically more suited for short-range communications such as WiFi and small-cell networks, due to its current practical limitations on the self-interference cancellation. In addition, cell-free…

Signal Processing · Electrical Eng. & Systems 2020-01-22 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten , Oh-Soon Shin

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

Under the organization of the base station (BS), wireless federated learning (FL) enables collaborative model training among multiple devices. However, the BS is merely responsible for aggregating local updates during the training process,…

Information Theory · Computer Science 2023-10-05 Jingheng Zheng , Wanli Ni , Hui Tian , Deniz Gunduz , Tony Q. S. Quek , Zhu Han

Cell-free multiple-input multiple-output (CF-MIMO) architecture significantly enhances wireless network performance, offering a promising solution for delay-sensitive applications. This paper investigates the resource allocation problem in…

Information Theory · Computer Science 2026-04-24 Shuangbo Xiong , Cheng Zhang , Wen Wang , Wenwu Yu , Yongming Huang

To meet the unprecedented mobile traffic demands of future wireless networks, a paradigm shift from conventional cellular networks to distributed communication systems is imperative. Cell-free massive multiple-input multiple-output…

Information Theory · Computer Science 2024-08-28 Mohammadali Mohammadi , Zahra Mobini , Hien Quoc Ngo , Michail Matthaiou

Federated learning (FL) is a distributed learning framework where users train a global model by exchanging local model updates with a server instead of raw datasets, preserving data privacy and reducing communication overhead. However, the…

Machine Learning · Computer Science 2024-12-17 Afsaneh Mahmoudi , Emil Björnson

Wireless devices are expected to provide a wide range of AI services in 6G networks. The increasing computing capabilities of wireless devices and the surge of wireless data motivate the use of privacy-preserving federated learning (FL). In…

Signal Processing · Electrical Eng. & Systems 2025-01-31 Chen Chen , Emil Björnson , Carlo Fischione

The emerging cell-free massive multiple-input multiple-output (CF-mMIMO) is a promising scheme to tackle the capacity crunch in wireless networks. Designing the optimal fronthaul network in the CF-mMIMIO is of utmost importance to deploy a…

Information Theory · Computer Science 2021-03-10 Pouya Agheli , Mohammad Javad Emadi , Hamzeh Beyranvand

The physical layer foundations of cell-free massive MIMO (CF-mMIMO) have been well-established. As a next step, researchers are investigating practical and energy-efficient network implementations. This paper focuses on multiple sets of…

Signal Processing · Electrical Eng. & Systems 2024-05-14 Özlem Tuğfe Demir , Lianet Méndez-Monsanto , Nicola Bastianello , Emma Fitzgerald , Gilles Callebaut

This paper proposes a novel optimization framework for enhancing the security resilience of cell-free massive multiple-input multiple-output (CF-mMIMO) networks with multi-antenna access points (APs) and protective partial zero-forcing…

Signal Processing · Electrical Eng. & Systems 2026-02-25 Junbin Yu , Tianyu Lu , Mohammadali Mohammadi , Michail Matthaiou

In this paper, we consider power allocation and antenna activation of cell-free massive multiple-input multiple-output (CFmMIMO) systems. We first derive closed-form expressions for the system spectral efficiency (SE) and energy efficiency…

Signal Processing · Electrical Eng. & Systems 2026-04-13 Phuong Nam Tran , Nhan Thanh Nguyen , Hien Quoc Ngo , Markku Juntti
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