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相关论文: Cell-free Massive MIMO Networks: Optimal Power Con…

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We study secure communications in cell-free massive multiple-input multiple-output (CF-mMIMO) systems with multi-antenna access points (APs) and protective partial zero-forcing (PPZF) precoding. In particular, we consider an active…

信息论 · 计算机科学 2024-09-02 Yasseen Sadoon Atiya , Zahra Mobini , Hien Quoc Ngo , Michail Matthaiou

This work studies secure communications for a cell-free massive multiple-input multiple-output (CF-mMIMO) network which is attacked by multiple passive eavesdroppers overhearing communications between access points (APs) and users in the…

信号处理 · 电气工程与系统科学 2024-10-28 Junguk Park , Sangseok Yun , Jeongseok Ha

In this paper, we investigate joint power control and access point (AP) selection scheme in a cell-free massive multiple-input multiple-output (CF-mMIMO) system under an active eavesdropping attack, where an eavesdropper tries to overhear…

信号处理 · 电气工程与系统科学 2024-01-17 Yasseen Sadoon Atiya , Zahra Mobini , Hien Quoc Ngo , Michail Matthaiou

A Cell-Free Massive MIMO (multiple-input multiple-output) system comprises a very large number of distributed access points (APs)which simultaneously serve a much smaller number of users over the same time/frequency resources based on…

信息论 · 计算机科学 2017-01-18 Hien Quoc Ngo , Alexei Ashikhmin , Hong Yang , Erik G. Larsson , Thomas L. Marzetta

Many common instances of power control problems for cellular and cell-free massive MIMO networks can be interpreted as max-min utility optimization problems involving affine interference mappings and polyhedral constraints. We show that…

Existing works on Cell-Free Massive MIMO primarily focus on optimising system throughput and energy efficiency under high-traffic scenarios with only a limited focus on variable user demand as required by higher network layers.…

信号处理 · 电气工程与系统科学 2025-06-10 Robbert Beerten , Vida Ranjbar , Hazem Sallouha , Sofie Pollin

In this paper, we investigate secure and reliable transmission strategies for multi-cell multi-user massive multiple-input multiple-output (MIMO) systems with a multi-antenna active eavesdropper. We consider a time-division duplex system…

信息论 · 计算机科学 2016-05-12 Yongpeng Wu , Robert Schober , Derrick Wing Kwan Ng , Chengshan Xiao , Giuseppe Caire

In this paper, we investigate secure and reliable transmission strategies for multi-cell multi-user massive multiple-input multiple-output (MIMO) systems in the presence of an active eavesdropper. We consider a time-division duplex system…

信息论 · 计算机科学 2015-05-07 Yongpeng Wu , Robert Schober , Derrick Wing Kwan Ng , Chengshan Xiao , Giuseppe Caire

This article discusses opportunities and challenges of physical layer security integration in massive multiple-input multiple-output (MaMIMO) systems. Specifically, we first show that MaMIMO itself is robust against passive eavesdropping…

信息论 · 计算机科学 2016-11-18 Dzevdan Kapetanovic , Gan Zheng , Fredrik Rusek

In this paper, we study the design of secure communication for time division duplex multi-cell multi-user massive multiple-input multiple-output (MIMO) systems with active eavesdropping. We assume that the eavesdropper actively attacks the…

信息论 · 计算机科学 2019-03-27 Yongpeng Wu , Chao-Kai Wen , Wen Chen , Shi Jin , Robert Schober , Giuseppe Caire

This paper investigates a cell-free massive multiple-input-multiple-output (CF-mMIMO) integrated sensing and communication (ISAC) system that addresses the critical challenge of information leakage to potential eavesdroppers located within…

信号处理 · 电气工程与系统科学 2026-03-20 Ruiguang Wang , Takumi Takahashi , Hideki Ochiai

In this paper, we study the design of secure communication for time division duplexing multi-cell multi-user massive multiple-input multiple-output (MIMO) systems with active eavesdropping. We assume that the eavesdropper actively attacks…

信息论 · 计算机科学 2018-01-23 Yongpeng Wu , Chao-Kai Wen , Wen Chen , Shi Jin , Robert Schober , Giuseppe Caire

The impressive growth of wireless data networks has recently led to increased attention to the issue of electromagnetic pollution. Specific absorption rates and incident power densities have become popular indicators for measuring…

信息论 · 计算机科学 2024-10-28 Sergi Liesegang , Stefano Buzzi

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…

信号处理 · 电气工程与系统科学 2026-02-25 Junbin Yu , Tianyu Lu , Mohammadali Mohammadi , Michail Matthaiou

Cell-Free Massive Multiple-input Multiple-output (mMIMO) consists of many access points (APs) in a coverage area that jointly serve the users. These systems can significantly reduce the interference among the users compared to conventional…

信息论 · 计算机科学 2021-11-16 Abbas Khalili , Alexei Ashikhmin , Hong Yang

Massive Multiple-Input Multiple-Output (MIMO) has become a crucial enabling technology for 5G and beyond, providing previously unheard-of increases in energy and spectrum efficiency. It is still difficult to guarantee secure communication…

信号处理 · 电气工程与系统科学 2026-01-22 Nipun Agarwal

This paper considers secure simultaneous wireless information and power transfer (SWIPT) in cell-free massive multiple-input multiple-output (MIMO) systems. The system consists of a large number of randomly (Poisson-distributed) located…

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…

信息论 · 计算机科学 2022-12-01 Jiayi Zhang , Jing Zhang , Derrick Wing Kwan Ng , Bo Ai

Recently, the so-called cell-free Massive MIMO architecture has been introduced, wherein a very large number of distributed access points (APs) simultaneously and jointly serve a much smaller number of mobile stations (MSs). A variant of…

信息论 · 计算机科学 2017-10-24 Stefano Buzzi , Alessio Zappone

In massive MIMO wiretap settings, the base station can significantly suppress eavesdroppers by narrow beamforming toward legitimate terminals. Numerical investigations show that by this approach, secrecy is obtained at no significant cost.…

信息论 · 计算机科学 2018-08-15 Ali Bereyhi , Saba Asaad , Ralf R. Müller , Rafael F. Schaefer , Amir M. Rabiei
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