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Reconfigurable intelligent surfaces (RISs) are planar structures with attached electronic circuitry that enable a partially programmable communication environment. RIS operation can be regarded as nearly passive since it acts by simply…

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…

信息论 · 计算机科学 2019-12-05 Wanchun Liu , Xiangyun Zhou , Salman Durrani , Petar Popovski

User cooperation is an effective technique to tackle the severe near-far user unfairness problem in wireless powered communication networks (WPCNs). In this paper, we consider a WPCN where two collaborating wireless devices (WDs) first…

网络与互联网体系结构 · 计算机科学 2020-01-06 Yuan Zheng , Suzhi Bi , Xiaohui Lin , Hui Wang

Adaptive Power Allocation (PA) algorithms with different criteria for a cooperative Multiple-Input Multiple-Output (MIMO) network equipped with Distributed Space-Time Coding (DSTC) are proposed and evaluated. Joint constrained optimization…

信息论 · 计算机科学 2014-01-21 T. Peng , R. C. de Lamare , A. Schmeink

We investigate the integration of stacked intelligent metasurfaces (SIMs) into cell-free massive multiple input multiple output (CF-mMIMO) system to enhance the simultaneous wireless information and power transfer (SWIPT) performance.…

信号处理 · 电气工程与系统科学 2025-03-19 Thien Duc Hua , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

About 26% of total U.S. energy consumption is used in the transportation sector. Conventional vehicles use fuels such as gasoline, emit harmful gases, and have adverse effects on the environment. Electric vehicles (EVs) provide an…

系统与控制 · 电气工程与系统科学 2021-07-27 Afshin Ghassemi , Laura Soares , Hao Wang , Zhimin Xi

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for future wireless systems. However, the low power transfer efficiency (PTE) is a critical challenge for practical implementations. One of the main inefficiency…

信号处理 · 电气工程与系统科学 2024-11-21 Amirhossein Azarbahram , Onel L. A. López , Matti Latva-Aho

Simultaneous Wireless Information and Power Transfer (SWIPT) has attracted significant attention in the communication community. The problem of waveform design for SWIPT has however never been addressed so far. In this paper, a novel SWIPT…

信息论 · 计算机科学 2016-02-03 Bruno Clerckx

Network-assisted single-hop device-to-device (D2D) communication can increase the spectral and energy efficiency of cellular networks by taking advantage of the proximity, reuse, and hop gains when radio resources are properly managed…

网络与互联网体系结构 · 计算机科学 2014-07-08 Jose Mairton B. da Silva , Gabor Fodor , Tarcisio F. Maciel

Breakthroughs in information and power transfer for wireless networks are imperative in order to satisfy the requirement of wireless nodes for energy sustainability. To this end, significant research efforts in academia and industry have…

信息论 · 计算机科学 2020-02-19 Ha-Vu Tran , Georges Kaddoum , Chadi Abou-Rjeily

This paper investigates the rate-energy trade-off for pinching-antenna systems (PASS)-assisted simultaneous wireless information and power transfer (SWIPT) systems. Both the single information user (IU)/energy user (EU) and multiple IUs/EUs…

信号处理 · 电气工程与系统科学 2025-12-01 Qi Yang , Kai Liu , Jingjing Zhao , Kaiquan Cai , Xidong Mu , Yuanwei Liu

In this paper, we analyze the performance of a time-slotted multi-antenna wireless powered communication (WPC) system, where a wireless device first harvests radio frequency (RF) energy from a power station (PS) in the downlink to…

信息论 · 计算机科学 2017-05-19 Rania Morsi , Elena Boshkovska , Esmat Ramadan , Derrick Wing Kwan Ng , Robert Schober

A new line of research on communications and signals design for Wireless Power Transfer (WPT) has recently emerged in the communication literature. Promising signal strategies to maximize the power transfer efficiency of WPT rely on…

信息论 · 计算机科学 2020-08-04 Junghoon Kim , Bruno Clerckx , Paul D. Mitcheson

We consider a wireless node that randomly receives data from different sensor units. The arriving data must be compressed, stored, and transmitted over a wireless link, where both the compression and transmission operations consume power.…

最优化与控制 · 数学 2008-07-25 Michael J. Neely , Abhishek Sharma

This paper explores the integration of simultaneous wireless information and power transfer (SWIPT) with gigantic multiple-input multiple-output (gMIMO) technology operating in the upper mid-band frequency range (7-24 GHz). The near-field…

信号处理 · 电气工程与系统科学 2025-11-03 Özlem Tugfe Demir , Mustafa Ozger , Ferdi Kara , Woong-Hee Lee , Emil Björnson

Wireless energy transferring technology offers a constant and instantaneous power for low-power applications such as Internet of Things (IoT) to become an affordable reality. This paper considers simultaneous wireless information and power…

信号处理 · 电气工程与系统科学 2019-02-08 Bhathiya Pilanawithana , Saman Atapattu , Jamie Evans

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…

信息论 · 计算机科学 2017-05-16 Elena Boshkovska , Xiaoming Chen , Linglong Dai , Derrick Wing Kwan Ng , Robert Schober

The design of Wireless Information and Power Transfer (WIPT) has so far relied on an oversimplified and inaccurate linear model of the energy harvester. In this paper, we depart from this linear model and design WIPT considering the…

信息论 · 计算机科学 2017-09-22 Bruno Clerckx

This letter proposes a targeted-subharmonic-eliminating pulse density modulation (PDM) method for series-series (SS) compensated wireless power transfer (WPT) systems. The subharmonic frequency components which excite current abnormal…

系统与控制 · 电气工程与系统科学 2025-12-01 Songyan Li , Hongchang Li , Haiyue Jiang , Yudong Zhang , Wenjie Chen , Xu Yang

This paper considers an orthogonal frequency division multiplexing (OFDM) point-to-point wireless communication system with simultaneous wireless information and power transfer. We study a receiver which is able to harvest energy from the…

信息论 · 计算机科学 2013-03-12 Derrick Wing Kwan Ng , Robert Schober
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