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Simultaneous Wireless Information and Power Transfer (SWIPT) over a point-to-point frequency-selective Additive White Gaussian Noise (AWGN) channel is studied. Considering an approximation of the nonlinearity of the harvester, a general…

Information Theory · Computer Science 2019-01-08 Morteza Varasteh , Borzoo Rassouli , Bruno Clerckx

In this paper, we study resource allocation algorithm design for power efficient secure communication with simultaneous wireless information and power transfer (WIPT) in multiuser communication systems. In particular, we focus on power…

Information Theory · Computer Science 2014-02-25 Shiyang Leng , Derrick Wing Kwan Ng , Robert Schober

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

In this paper, we consider a multiple-input multiple-output wireless powered communication network (MIMO-WPCN), where multiple users harvest energy from a dedicated power station in order to be able to transmit their information signals to…

Information Theory · Computer Science 2017-02-01 Elena Boshkovska , Derrick Wing Kwan Ng , Nikola Zlatanov , Alexander Koelpin , Robert Schober

The problem of simultaneously optimizing the information rate and the harvested power in a reconfigurable intelligent surface (RIS)-aided multiple-input single-output downlink wireless network with simultaneous wireless information and…

Information Theory · Computer Science 2022-04-26 Abdelhamed Mohamed , A. Zappone , Marco Di Renzo

Simultaneous wireless information and power transfer (SWIPT) has been recognized as a promising approach to improving the performance of energy constrained networks. In this paper, we investigate a SWIPT based three-step two-way…

Information Theory · Computer Science 2019-02-25 Liqin Shi , Wenchi Cheng , Yinghui Ye , Hailin Zhang , Rose Qingyang Hu

We consider the joint design of transmit beamforming and receive signal-splitting ratios in the downlink of a wireless network with simultaneous radio-frequency (RF) information and energy transfer. Under constraints on the…

Information Theory · Computer Science 2017-10-13 Ali A. Nasir , Hoang D. Tuan , Duy T. Ngo , Salman Durrani , Dong In Kim

This paper investigates simultaneous wireless information and power transfer (SWIPT) in energy harvesting (EH) relay systems. Unlike existing SWIPT schemes requiring the channel state information (CSI) for coherent information delivery, we…

Information Theory · Computer Science 2015-05-28 Peng Liu , Saeed Gazor , Il-Min Kim , Dong In Kim

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, 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

We study the dynamic power splitting for simultaneous wireless information and power transfer (SWIPT) in the ergodic fading channel. Considering the nonlinearity of practical energy harvesting circuits, we adopt the realistic nonlinear…

Information Theory · Computer Science 2018-08-28 Jae-Mo Kang , Chang-Jae Chun , Il-Min Kim , Dong In Kim

In this paper, we investigate resource allocation algorithm design for large intelligent reflecting surface (IRS)-assisted simultaneous wireless information and power transfer (SWIPT) systems. To this end, we adopt a physics-based IRS model…

Information Theory · Computer Science 2020-10-05 Dongfang Xu , Xianghao Yu , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

In this paper, we investigate a multiuser distributed antenna system with simultaneous wireless information and power transmission under the assumption of imperfect channel state information (CSI). In this system, a distributed antenna port…

Information Theory · Computer Science 2019-03-27 Zhengyu Zhu , Sai Huang , Zheng Chu , Fuhui Zhou , Di Zhang , Inkyu Lee

This paper investigates the optimal transmit beamforming design of simultaneous wireless information and power transfer (SWIPT) in the multiuser multiple-input-single-output (MISO) downlink with specific absorption rate (SAR) constraints.…

Information Theory · Computer Science 2019-11-26 Juping Zhang , Gan Zheng , Ioannis Krikidis , Rui Zhang

In this letter, we study the robust beamforming problem for the multi-antenna wireless broadcasting system with simultaneous information and power transmission, under the assumption of imperfect channel state information (CSI) at the…

Information Theory · Computer Science 2012-10-23 Zhengzheng Xiang , Meixia Tao

This paper considers simultaneous wireless information and power transfer (SWIPT) over a dual-hop dynamic decode-and-forward (DF) relay network with the power-splitting (PS) energy harvesting protocol at the relay. The circuit power…

Signal Processing · Electrical Eng. & Systems 2019-09-13 Bhathiya Pilanawithana , Saman Atapattu , Jamie Evans

This work compares different linear and nonlinear RF energy harvesting models, including limited or unlimited sensitivity, for simultaneous wireless information and power transfer (SWIPT). The probability of successful SWIPT reception under…

Signal Processing · Electrical Eng. & Systems 2018-02-28 Panos N. Alevizos , Georgios Vougioukas , Aggelos Bletsas

Over the last decade, simultaneous wireless information and power transfer (SWIPT) has become a practical and promising solution for connecting and recharging battery-limited devices, thanks to significant advances in low-power electronics…

Information Theory · Computer Science 2021-10-15 Zhiqiang Wei , Xianghao Yu , Derrick Wing Kwan Ng , Robert Schober

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 2016-02-23 Fuhui Zhou , Zan Li , Julian Cheng , Qunwei Li , Jiangbo Si

This paper first considers a multicell network deployment where the base station (BS) of each cell communicates with its cell-edge user with the assistance of an amplify-and-forward (AF) relay node. Equipped with a power splitter and a…

Information Theory · Computer Science 2016-11-17 Ali A. Nasir , Duy T. Ngo , Xiangyun Zhou , Rodney A. Kennedy , Salman Durrani