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This letter analyzes the performance of simultaneous wireless information-and-power transfer (SWIPT) in an overlay cognitive radio network (CRN) under Nakagami-$m$ fading. A pair of secondary users (SUs) is considered in which one SU…

信号处理 · 电气工程与系统科学 2020-04-07 Devendra Singh Gurjar , Ha H. Nguyen , Prabina Pattanayak

We study remote estimation in a wireless sensor network. Instead of using a conventional battery-powered sensor, a sensor equipped with an energy harvester which can obtain energy from the external environment is utilized. We formulate this…

最优化与控制 · 数学 2014-02-25 Yuzhe Li , Daniel E. Quevedo , Vincent Lau , Subhrakanti Dey , Ling Shi

To achieve a good tradeoff between the consumed power and the harvested power, a robust resource optimization problem is studied in a multiple-input single-output cognitive radio network with simultaneous wireless information and power…

信息论 · 计算机科学 2018-06-26 Xiongjian Zhang , Yuhao Wang , Fuhui Zhou , Naofal Al-Dhahir , Xiaohua Deng

This work considers a system with two energy harvesting (EH) nodes transmitting to a common destination over a random access channel. The amount of harvested energy is assumed to be random and independent over time, but correlated among the…

性能 · 计算机科学 2019-02-14 Mehdi Salehi Heydar Abad , Deniz Gunduz , Ozgur Ercetin

The rapid growth of the so-called Internet of Things is expected to significantly expand and support the deployment of resource-limited devices. Therefore, intelligent scheduling protocols and technologies such as wireless power transfer,…

信息论 · 计算机科学 2021-05-06 Maria Dimitropoulou , Constantinos Psomas , Ioannis Krikidis

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…

信息论 · 计算机科学 2014-09-15 Meng Zhang , Yuan Liu , Suili Feng

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…

信号处理 · 电气工程与系统科学 2021-11-23 Constantinos Psomas , Minglei You , Kai Liang , Gan Zheng , Ioannis Krikidis

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…

信息论 · 计算机科学 2018-08-28 Jae-Mo Kang , Chang-Jae Chun , Il-Min Kim , Dong In Kim

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for sustainable support of massive Internet of Things (IoT). However, RF-WPT systems are characterized by low efficiency due to channel attenuation, which can be…

信号处理 · 电气工程与系统科学 2024-05-08 Amirhossein Azarbahram , Onel L. A. López , Petar Popovski , Shashi Raj Pandey , Matti Latva-aho

Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks, leading to a fundamental paradigm shift from conventional far-field…

信号处理 · 电气工程与系统科学 2023-05-23 Yunpu Zhang , Changsheng You , Weijie Yuan , Fan Liu , Rui Zhang

Wireless power transfer (WPT) is a promising technology that provides the network a way to replenish the batteries of the remote devices by utilizing RF transmissions. We study a class of harvest-first-transmit-later type of WPT policy,…

信息论 · 计算机科学 2018-09-11 Mehdi Salehi Heydar Abad , Ozgur Ercetin

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…

信息论 · 计算机科学 2016-02-29 Fuhui Zhou , Zan Li , Julian Cheng , Qunwei Li , Jiangbo Si

Diverse Wi-Fi-based wireless applications have been proposed, ranging from daily activity recognition to vital sign monitoring. Despite their remarkable sensing accuracy, the high energy consumption and the requirement for customized…

网络与互联网体系结构 · 计算机科学 2024-09-04 Tao Ni , Zehua Sun , Mingda Han , Guohao Lan , Yaxiong Xie , Zhenjiang Li , Tao Gu , Weitao Xu

In this paper, we study wireless networked control systems in which the sensing devices are powered by energy harvesting. We consider a scenario with multiple plants, where the sensors communicate their measurements to their respective…

最优化与控制 · 数学 2018-01-31 Miguel Calvo-Fullana , Carles Antón-Haro , Javier Matamoros , Alejandro Ribeiro

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

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

We build a realistic Simultaneous Wireless Information and Power Transfer (SWIPT) prototype and experimentally analyse the harvested energy and throughput trade-off. Both time-switching and power splitting receiver architectures are…

信息论 · 计算机科学 2019-08-23 Junghoon Kim , Bruno Clerckx , Paul D. Mitcheson

While wireless information transmission (WIT) is evolving into its sixth generation (6G), maintaining terminal operations that rely on limited battery capacities has become one of the most paramount challenges for Internet-of-Things (IoT)…

信号处理 · 电气工程与系统科学 2023-09-26 M. Ertug Pihtili , Mehmet C. Ilter , Ertugrul Basar , Risto Wichman , Jyri Hämäläinen

RF energy harvesting is a promising potential solution to provide convenient and perpetual energy supplies to low-power wireless sensor networks. In this paper, we investigate the energy harvesting performance of a wireless sensor node…

信息论 · 计算机科学 2014-05-22 Tianqing Wu , Hong-Chuan Yang

We study the joint transmit (Tx) power allocation and receive (Rx) power splitting for simultaneous wireless information and power transfer (SWIPT). Considering the practical scenario of nonlinear energy harvesting (EH), we adopt the…

信息论 · 计算机科学 2018-04-03 Jae-Mo Kang , Il-Min Kim , Dong In Kim