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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…

Information Theory · Computer Science 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 duplex multi-cell multi-user massive multiple-input multiple-output (MIMO) systems with active eavesdropping. We assume that the eavesdropper actively attacks the…

Information Theory · Computer Science 2019-03-27 Yongpeng Wu , Chao-Kai Wen , Wen Chen , Shi Jin , Robert Schober , Giuseppe Caire

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…

Information Theory · Computer Science 2016-11-15 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

In this paper, downlink secure transmission in simultaneous information and power transfer (SWIPT) system enabled with massive multiple-input multiple-output (MIMO) is studied. A base station (BS) with a large number of antennas transmits…

Information Theory · Computer Science 2020-08-12 Zahra Goli , S. Mohammad Razavizadeh , Hamed Farhadi , Tommy Svensson

This paper studies secure layered video transmission in a multiuser multiple-input single-output (MISO) beamforming downlink communication system. The power allocation algorithm design is formulated as a non-convex optimization problem for…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Robert Schober , Hussein Alnuweiri

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…

Information Theory · Computer Science 2013-06-05 Derrick Wing Kwan Ng , Robert Schober

This paper considers downlink multicast transmit beamforming for secure layered transmission systems with wireless simultaneous information and power transfer. We study the power allocation algorithm design for minimizing the total transmit…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Robert Schober , Hussein Alnuweiri

We investigate energy efficiency (EE) optimization for single-cell massive multiple-input multiple-output (MIMO) downlink transmission with only statistical channel state information (CSI) available at the base station. We first show that…

Information Theory · Computer Science 2020-04-14 Li You , Jiayuan Xiong , Xinping Yi , Jue Wang , Wenjin Wang , Xiqi Gao

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…

Information Theory · Computer Science 2015-05-07 Yongpeng Wu , Robert Schober , Derrick Wing Kwan Ng , Chengshan Xiao , Giuseppe Caire

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…

Information Theory · Computer Science 2009-10-15 Amitav Mukherjee , A. Lee Swindlehurst

This paper studies the beamforming design problem of a multi-user downlink network, assuming imperfect channel state information known to the base station. In this scenario, the base station is equipped with multiple antennas, and each user…

Signal Processing · Electrical Eng. & Systems 2020-03-25 Pu Zhao , Meng Zhang , Hui Yu , Hanwen Luo , Wen Chen

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…

Information Theory · Computer Science 2019-04-26 Mahmoud Alageli , Aissa Ikhlef , Fahad Alsifiany , Mohammed A. M. Abdullah , Gaojie Chen , Jonathon Chambers

In this paper, we study power allocation for secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. The receivers are able to harvest energy from…

Information Theory · Computer Science 2013-07-30 Derrick Wing Kwan Ng , Lin Xiang , Robert Schober

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…

Information Theory · Computer Science 2018-01-23 Yongpeng Wu , Chao-Kai Wen , Wen Chen , Shi Jin , Robert Schober , Giuseppe Caire

In this paper, we consider the problem of power allocation in MIMO wiretap channel for secrecy in the presence of multiple eavesdroppers. Perfect knowledge of the destination channel state information (CSI) and only the statistical…

Information Theory · Computer Science 2014-01-16 Sanjay Vishwakarma , A. Chockalingam

In this paper, we address the problem of energy-efficient power allocation for secure communications in an amplify-and-forward (AF) large-scale multiple-input multiple-output (LS-MIMO) relaying system in presence of a passive eavesdropper.…

Information Theory · Computer Science 2014-08-26 Jian Chen , Xiaoming Chen , Tao Liu , Lei Lei

In this paper, we propose a linear precoder for the downlink of a multi-user MIMO system with multiple users that potentially act as eavesdroppers. The proposed precoder is based on regularized channel inversion (RCI) with a regularization…

Information Theory · Computer Science 2013-04-23 Giovanni Geraci , Malcolm Egan , Jinhong Yuan , Adeel Razi , Iain B. Collings

This paper studies the secrecy rate maximization problem of a secure wireless communication system, in the presence of multiple eavesdroppers. The security of the communication link is enhanced through cooperative jamming, with the help of…

Information Theory · Computer Science 2017-01-13 Kanapathippillai Cumanan , George C. Alexandropoulos , Zhgiuo Ding , George K. Karagiannidis

In this paper we address a sum secrecy rate maximization problem for a multi-carrier and MIMO communication system. We consider the case that the receiver is capable of full-duplex (FD) operation and simultaneously sends jamming signal to a…

Information Theory · Computer Science 2018-02-19 Tianyu Yang , Omid Taghizadeh , Rudolf Mathar

This paper investigates the joint power allocation and user association problem in multi-cell Massive MIMO (multiple-input multiple-output) downlink (DL) systems. The target is to minimize the total transmit power consumption when each user…

Information Theory · Computer Science 2016-07-08 Trinh Van Chien , Emil Björnson , Erik G. Larsson
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