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The robust beamforming problem in multiple-input single-output (MISO) downlink networks of simultaneous wireless information and power transfer (SWIPT) is studied in this paper. Adopting the time switching fashion to perform energy…

Signal Processing · Electrical Eng. & Systems 2018-03-22 Yinglei Teng , Wanxin Zhao , Mei Yan , Yong Zhang , Mei Song

Simultaneous wireless information and power transfer (SWIPT) is a remarkable technology to support both the data and the energy transfer in the era of Internet of Things (IoT). In this paper, we proposed a long-range optical wireless…

Emerging Technologies · Computer Science 2022-07-07 Yunfeng Bai , Qingwen Liu , Riqing Chen , Qingqing Zhang , Wei Wang

Simultaneous wireless information and power transfer (SWIPT) is a promising solution to increase the lifetime of wireless nodes and hence alleviate the energy bottleneck of energy constrained wireless networks. As an alternative to…

Information Theory · Computer Science 2014-12-05 Zhiguo Ding , Caijun Zhong , Derrick Wing Kwan Ng , Mugen Peng , Himal A. Suraweera , Robert Schober , H. Vincent Poor

Simultaneous wireless information and power transfer (SWIPT) has long been proposed as a key solution for charging and communicating with low-cost and low-power devices. However, the employment of radio frequency (RF) signals for…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Constantinos Psomas , Minglei You , Kai Liang , Gan Zheng , Ioannis Krikidis

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

The explosion of the number of low-power devices in the next decades calls for a re-thinking of wireless network design, namely, unifying wireless transmission of information and power so as to make the best use of the RF spectrum,…

Information Theory · Computer Science 2019-09-17 Morteza Varasteh , Jakob Hoydis , Bruno Clerckx

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

Radio frequency wireless energy transfer (WET) is a promising solution for powering autonomous Internet of Things (IoT) deployments. In this work, we leverage energy beamforming for powering multiple user equipments (UEs) with stringent…

Information Theory · Computer Science 2022-03-02 Onel L. A. López , Dileep Kumar , Richard Demo Souza , Petar Popovski , Antti Tölli , Matti Latva-aho

This paper studies a cognitive or secondary multi-antenna wireless power transfer (WPT) system over a multi-carrier channel, which shares the same spectrum with a primary wireless information transfer (WIT) system that employs adaptive…

Information Theory · Computer Science 2019-03-22 Tianxin Feng , Ganggang Ma , Jie Xu

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 the problem of maximizing the sum-rate for simultaneous wireless information and power transfer (SWIPT) in a full-duplex bi-directional communication system subject to energy harvesting and transmit power constraints at…

Information Theory · Computer Science 2016-11-18 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong

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

This paper studies a wireless-energy-transfer (WET) enabled massive multiple-input-multiple-output (MIMO) system (MM) consisting of a hybrid data-and-energy access point (H-AP) and multiple single-antenna users. In the WET-MM system, the…

Information Theory · Computer Science 2016-11-18 Gang Yang , Chin Keong Ho , Rui Zhang , Yong Liang Guan

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

Power splitting (PS) based simultaneous wireless information and power transfer (SWIPT) is considered in a multi-user multiple-input-single-output broadcast scenario. Specifically, we focus on jointly configuring the transmit beamforming…

Signal Processing · Electrical Eng. & Systems 2022-10-25 Dileep Kumar , Onel L. Alcaraz López , Satya Krishna Joshi , Antti Tölli

This paper investigates a fog computing-assisted multi-user simultaneous wireless information and power transfer (SWIPT) network, where multiple sensors with power splitting (PS) receiver architectures receive information and harvest energy…

Information Theory · Computer Science 2019-02-18 Haina Zheng , Ke Xiong , Pingyi Fan , Zhangdui Zhong , Khaled Ben Letaief

Intelligent reflecting surfaces (IRSs) are regarded as key enablers of next-generation wireless communications, due to their capability of customizing the wireless propagation environment. In this paper, we investigate power-efficient…

Information Theory · Computer Science 2020-05-15 Xianghao Yu , Dongfang Xu , Derrick Wing Kwan Ng , Robert Schober

We consider a multiuser multiple-input single-output interference channel where the receivers are characterized by both quality-of-service (QoS) and radio-frequency (RF) energy harvesting (EH) constraints. We consider the power splitting…

Information Theory · Computer Science 2014-07-11 Stelios Timotheou , Ioannis Krikidis , Gan Zheng , Björn Ottersten

The rapid development of IoT technology has led to a shortage of spectrum resources and energy, giving rise to simultaneous wireless information and power transfer (SWIPT) technology. However, traditional multiple input multiple output…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Yixuan Guo , Mingliang Xiong , Wen Fang , Qingwei Jiang , Qingwen Liu , Gang Yan

This paper proposes a chaotic waveform-based multi-antenna receiver design for simultaneous wireless information and power transfer (SWIPT). Particularly, we present a differential chaos shift keying (DCSK)-based SWIPT multiantenna receiver…

Information Theory · Computer Science 2024-04-04 Priyadarshi Mukherjee , Constantinos Psomas , Ioannis Krikidis