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In this paper, we study the resource allocation algorithm design for energy-efficient simultaneous wireless information and power transfer (SWIPT) systems. The considered system comprises a transmitter, an information receiver, and multiple…

Information Theory · Computer Science 2015-09-22 Shiyang Leng , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

We study the problem of user-scheduling and resource allocation in distributed multi-user, multiple-input multiple-output (MIMO) networks implementing user-centric clustering and non-coherent transmission. We formulate a weighted sum-rate…

Information Theory · Computer Science 2021-02-08 Hussein A. Ammar , Raviraj Adve , Shahram Shahbazpanahi , Gary Boudreau , Kothapalli Srinivas

Energy harvesting for wireless communication networks is a new paradigm that allows terminals to recharge their batteries from external energy sources in the surrounding environment. A promising energy harvesting technology is wireless…

Information Theory · Computer Science 2016-11-15 Ioannis Krikidis , Stelios Timotheou , Symeon Nikolaou , Gan Zheng , Derrick Wing Kwan Ng , Robert Schober

In this paper, we study a massive multiple-input multiple-output (mMIMO) relay network where multiple source-destination pairs exchange information through a common relay equipped with a massive antenna array. The source users perform…

Signal Processing · Electrical Eng. & Systems 2020-02-17 Samira Rahimian , Yindi Jing , Masoud Ardakani

In this paper, we study the simultaneous wireless information and power transfer (SWIPT) in downlink multiuser orthogonal frequency-division multiple access (OFDMA) systems, where each user applies power splitting scheme to coordinate the…

Information Theory · Computer Science 2015-09-16 Meng Zhang , Yuan Liu

Energy harvesting and physical-layer security in wireless networks are of great significance. In this paper, we study the simultaneous wireless information and power transfer (SWIPT) in downlink orthogonal frequency-division multiple access…

Information Theory · Computer Science 2014-09-15 Meng Zhang , Yuan Liu , Suili Feng

A multiple-input single-output cognitive radio downlink network is studied with simultaneous wireless information and power transfer. In this network, a secondary user coexists with multiple primary users and multiple energy harvesting…

Information Theory · Computer Science 2016-02-29 Fuhui Zhou , Zan Li , Julian Cheng , Qunwei Li , Jiangbo Si

In this paper, we design a resource allocation algorithm for multiuser simultaneous wireless information and power transfer systems for a realistic non-linear energy harvesting (EH) model. In particular, the algorithm design is formulated…

Information Theory · Computer Science 2016-11-15 Elena Boshkovska , Rania Morsi , Derrick Wing Kwan Ng , Robert Schober

In this paper, we study the optimal design for simultaneous wireless information and power transfer (SWIPT) in downlink multiuser orthogonal frequency division multiplexing (OFDM) systems. For information transmission, we consider two types…

Information Theory · Computer Science 2014-02-14 Xun Zhou , Rui Zhang , Chin Keong Ho

In this paper, we study optimal resource allocation strategies for simultaneous information and power transfer (SWIPT) focusing on the system energy efficiency. We consider two-user multiple access channels in which energy harvesting (EH)…

Information Theory · Computer Science 2016-09-19 Tewodros A. Zewde , M. Cenk Gursoy

In this paper, we investigate the performance of simultaneous wireless information and power transfer (SWIPT) in a point-to-point system, adopting practical $M$-ary modulation. We take into account the fact that the receiver's…

Information Theory · Computer Science 2019-12-05 Wanchun Liu , Xiangyun Zhou , Salman Durrani , Petar Popovski

Radio frequency (RF) signals can be relied upon for conventional wireless information transfer (WIT) and for challenging wireless power transfer (WPT), which triggers the significant research interest in the topic of simultaneous wireless…

Signal Processing · Electrical Eng. & Systems 2020-02-21 Yizhe Zhao , Jie Hu , Zhiguo Ding , Kun Yang

The performance of simultaneous wireless information and power transfer (SWIPT) in downlink (DL) cell-free massive multiple-input multiple-output (MIMO) is investigated. Tight approximations to the DL harvested energy and the DL/uplink (UL)…

Signal Processing · Electrical Eng. & Systems 2020-11-17 Diluka Loku Galappaththige , Rajan Shrestha , Gayan Amarasuriya Aruma Baduge

In this paper, we study the resource allocation and user scheduling algorithm for minimizing the energy cost of data transmission in the context of OFDMA collaborative mobile cloud (CMC) with simultaneous wireless information and power…

Networking and Internet Architecture · Computer Science 2014-10-02 Zheng Chang , Jie Gong , Tapani Ristaniemi , Zhisheng Niu

In a multi-user multi-antenna Simultaneous Wireless Information and Power Transfer (SWIPT) network, the transmitter sends information to the Information Receivers (IRs) and energy to Energy Receivers (ERs) concurrently. A conventional…

Information Theory · Computer Science 2019-07-04 Yijie Mao , Bruno Clerckx , Victor O. K. Li

In this paper, we study multi-user multi-antenna wireless power transfer (WPT) systems, where each antenna at the energy harvesting (EH) nodes is connected to a dedicated non-linear rectifier. We propose an optimal transmit strategy which…

Information Theory · Computer Science 2021-05-12 Nikita Shanin , Laura Cottatellucci , Robert Schober

This paper investigates simultaneous wireless information and power transfer (SWIPT) for multiuser multiple-input-single-output (MISO) secrecy channel. First, transmit beamfoming without artificial noise (AN) design is considered, where two…

Information Theory · Computer Science 2015-03-24 Zheng Chu , Martin Johnston , Stephane Le Goff

Internet of Things (IoT) devices often come with batteries of limited capacity that are not easily replaceable or rechargeable, and that constrain significantly the sensing, computing, and communication tasks that they can perform. The…

Networking and Internet Architecture · Computer Science 2025-03-21 Gianluca Rizzo , Marco Ajmone Marsan , Christian Esposito , Biagio Boi

Simultaneous wireless information and power transfer (SWIPT) is anticipated to have abundant applications in future machine or sensor based wireless networks by providing wireless data and energy access at the same time. In this paper, we…

Information Theory · Computer Science 2015-06-15 Jie Xu , Liang Liu , Rui Zhang

This paper studies the simultaneous wireless information and power transfer (SWIPT) in a multiuser wireless system, in which distributed transmitters send independent messages to their respective receivers, and at the same time…

Information Theory · Computer Science 2016-11-18 Seunghyun Lee , Liang Liu , Rui Zhang