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Related papers: Secrecy Beamforming for SWIPT MISO Heterogeneous C…

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We study the beamforming design for multiuser systems with simultaneous wireless information and power transfer (SWIPT). Employing a practical non-linear energy harvesting (EH) model, the design is formulated as a non-convex optimization…

Information Theory · Computer Science 2017-05-16 Elena Boshkovska , Xiaoming Chen , Linglong Dai , Derrick Wing Kwan Ng , Robert Schober

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 letter investigates secure hybrid beamforming (HB) design for an extremely large-scale antenna array-aided simultaneous wireless information and power transfer (SWIPT) system operating in a mixed near-field (NF)/far-field (FF)…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Yaqian Yi , Guangchi Zhang , Miao Cui , Changsheng You , Qingqing Wu

This paper studies the secure beamforming design in a multiple-antenna three-node system where two source nodes exchange messages with the help of an untrusted relay node. The relay acts as both an essential signal forwarder and a potential…

Information Theory · Computer Science 2015-06-18 Jianhua Mo , Meixia Tao , Yuan Liu , Rui Wang

This paper considers a basic MIMO information-energy (I-E) broadcast system, where a multi-antenna transmitter transmits information and energy simultaneously to a multi-antenna information receiver and a dual-functional multi-antenna…

Information Theory · Computer Science 2014-03-28 Qingjiang Shi , Weiqiang Xu , Jinsong Wu , Enbin Song , Yaming Wang

A basic setup of a two-tier network, where two mobile users exchange messages with a multi-antenna macrocell basestation, is studied from a rate perspective subject to beamforming and power constraints. The communication is facilitated by…

Information Theory · Computer Science 2016-10-21 Dennis Michaelis , Aydin Sezgin , Eduard Jorswieck

Although there have been extensive studies on transmit beamforming in multi-input single-output (MISO) multicell networks, achieving optimal sum-rate with limited channel state information (CSI) is still a challenge even with a single user…

Networking and Internet Architecture · Computer Science 2019-04-11 Youjin Kim , Hyun Jong Yang

In this paper, we propose a joint beamforming algorithm for a multiuser wireless information and power transfer (MU-WIPT) system that is compatible with the conventional multiuser multiple input multiple output (MU-MIMO) system. The…

Information Theory · Computer Science 2014-07-08 Hyukmin Son , Bruno Clerckx

Energy-efficiency, high data rates and secure communications are essential requirements of the future wireless networks. In this paper, optimizing the secrecy energy efficiency is considered. The optimal beamformer is designed for a MISO…

Information Theory · Computer Science 2016-11-15 Ashkan Kalantari , Sina Maleki , Symeon Chatzinotas , Björn Ottersten

This paper considers transmit covariance matrix design for secrecy rate maximization problem in a multiple-input single-output (MISO) multicasting simultaneous wireless information and power transfer (SWIPT) system. In order to enhance the…

Information Theory · Computer Science 2016-05-09 Miao Zhang , Kanapathippillai Cumanan , Alister Burr

In this paper, we study multibeam satellite secure communication through physical (PHY) layer security techniques, i.e., joint power control and beamforming. By first assuming that the Channel State Information (CSI) is available and the…

Information Theory · Computer Science 2015-03-19 Jiang Lei , Zhu Han , M. A. Vázquez-Castro , Are Hjørungnes

As investigations on physical layer security evolve from point-to-point systems to multi-user scenarios, multi-user interference (MUI) is introduced and becomes an unavoidable issue. Different from treating MUI totally as noise in…

Information Theory · Computer Science 2022-03-07 Huiyun Xia , Yijie Mao , Bruno Clerckx , Xiaokang Zhou , Shuai Han , Cheng Li

This paper investigates a multiuser multiple-input single-output (MISO) full-duplex (FD) system for simultaneous wireless information and power transfer (SWIPT), in which a multi-antenna base station (BS) simultaneously sends wirelessly…

Information Theory · Computer Science 2017-03-17 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong , Gan Zheng , Yangyang Zhang , Zhongbin Zheng

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

A wireless network of multiple transmitter-user pairs overheard by an eavesdropper, where the transmitters are equipped with multiple antennas while the users and eavesdropper are equipped with a single antenna, is considered. At different…

Information Theory · Computer Science 2018-08-01 Zhichao Sheng , Hoang Duong Tuan , Trung Q. Duong , H. Vincent Poor

This paper investigates secure communications in a near-field multi-functional integrated sensing, communication, and powering (ISCAP) system with an extremely large-scale antenna arrays (ELAA) equipped at the base station (BS). In this…

Signal Processing · Electrical Eng. & Systems 2024-05-24 Zixiang Ren , Siyao Zhang , Xinmin Li , Ling Qiu , Jie Xu , Derrick Wing Kwan Ng

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 consider the robust secure beamformer design for MISO wiretap channels. Assume that the eavesdroppers' channels are only partially available at the transmitter, we seek to maximize the secrecy rate under the transmit power…

Information Theory · Computer Science 2013-10-29 Shuai Ma , Mingyi Hong , Enbin Song , Xiangfeng Wang , Dechun Sun

This paper studies a multi-user multiple-input single-output (MISO) downlink system for simultaneous wireless information and power transfer (SWIPT), in which a set of single-antenna mobile stations (MSs) receive information and energy…

Information Theory · Computer Science 2016-11-17 Qingjiang Shi , Liang Liu , Weiqiang Xu , Rui Zhang

Simultaneous wireless information and power transfer (SWIPT) has recently drawn significant interests for its dual use of radio signals to provide wireless data and energy access at the same time. However, a challenging secrecy…

Information Theory · Computer Science 2015-01-30 Hong Xing , Liang Liu , Rui Zhang