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This paper considers a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. In particular, we focus on secure communication in the presence of passive eavesdroppers and…

信息论 · 计算机科学 2016-11-15 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

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 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 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

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 artificial noise injection into the temporal and spatial dimensions of a legitimate wireless communication system to secure its transmissions from potential eavesdropping. We consider a multiple-input single-output…

信息论 · 计算机科学 2017-06-21 Ahmed El Shafie , Zhiguo Ding , Naofal Al-Dhahir

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

The classic MIMO wiretap channel comprises a passive eavesdropper that attempts to intercept communications between an authorized transmitter-receiver pair, each node being equipped with multiple antennas. In a dynamic network, it is…

信息论 · 计算机科学 2013-08-13 Amitav Mukherjee , A. Lee Swindlehurst

Non-orthogonal multiple access (NOMA) and massive multiple-input multiple-output (MIMO) systems are highly efficient. Massive MIMO systems are inherently resistant to passive attackers (eavesdroppers), thanks to transmissions directed to…

信息论 · 计算机科学 2025-07-09 Marziyeh Soltani , Mahtab Mirmohseni , Panos Papadimitratos

Physical layer security has been considered as an important security approach in wireless communications to protect legitimate transmission from passive eavesdroppers. This paper investigates the physical layer security of a wireless…

信息论 · 计算机科学 2017-04-27 Wenfei Liu , Ming Li , Xiaowen Tian , Zihuan Wang , Qian Liu

This paper examines linear beamforming methods for secure communications in a multiuser wiretap channel with a single transmitter, multiple legitimate receivers, and a single eavesdropper, where all nodes are equipped with multiple…

信息论 · 计算机科学 2009-10-15 Amitav Mukherjee , A. Lee Swindlehurst

The problem of resource allocation in multiple-antenna wiretap channels is investigated, wherein a malicious user tries to eavesdrop the communication between two legitimate users. Both multiple input single output single-antenna…

信息论 · 计算机科学 2015-05-12 Alessio Zappone , Pin-Hsun Lin , Eduard A. Jorswieck

Massive MIMO is one of the salient techniques for achieving high spectral efficiency in next generation wireless networks. Recently, a combined strategy of the massive MIMO and the artificial noise (AN), namely, {\it AN assisted massive…

信息论 · 计算机科学 2018-08-24 Changick Song

This paper considers secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. We study the design of resource allocation algorithms minimizing the…

信息论 · 计算机科学 2013-06-05 Derrick Wing Kwan Ng , Robert Schober

In this paper, we consider secure downlink transmission in a multi-cell massive multiple-input multiple-output (MIMO) system where the numbers of base station (BS) antennas, mobile terminals, and eavesdropper antennas are asymptotically…

信息论 · 计算机科学 2016-11-17 Jun Zhu , Robert Schober , Vijay K. Bhargava

We pay our attention towards secure and robust communication in the presence of a Reconfigurable Intelligent Surface (RIS)-enhanced mobile eavesdropping attacker in Multiple-Input Multiple-Output (MIMO)wireless networks.Specifically,we…

信息论 · 计算机科学 2025-11-03 Gaoyuan Zhang , Ruisong Si , Boyuan Li , Zijian Li , Baofeng Ji , Chenqi Zhu , Tony Q. S. Quek

Multiple-input multiple-output (MIMO) techniques allow for multiplexing and/or diversity gain, and will be widely deployed in future wireless systems. In this paper, we propose a MIMO-assisted channel-based authentication scheme, exploiting…

密码学与安全 · 计算机科学 2009-07-29 Liang Xiao , Larry Greenstein , Narayan Mandayam , Wade Trappe

Mission-critical communications (MCC) involve all communications between people in charge of the safety of the civil society. MCC have unique requirements that include improved reliability, security and group communication support. In this…

信息论 · 计算机科学 2020-12-11 Deepa Jagyasi , Marceau Coupechoux

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

To improve national security, government agencies have long been committed to enforcing powerful surveillance measures on suspicious individuals or communications. In this paper, we consider a wireless legitimate surveillance system, where…

信息论 · 计算机科学 2017-05-01 Caijun Zhong , Xin Jiang , Fengzhong Qu , Zhaoyang Zhang
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