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In this work, a MIMO broadcast channel under the energy harvesting (EH) constraint and the peak power constraint is investigated. The transmitter is equipped with a hybrid energy storage system consisting of a perfect super capacitor (SC)…

信息论 · 计算机科学 2015-11-09 Zhi Chen , Pingyi Fan , Dapeng Oliver Wu , Khaled Ben Letaief

Energy beamforming (EB) is a key technique for achieving efficient radio-frequency (RF) transmission enabled wireless energy transfer (WET). By optimally designing the waveforms from multiple energy transmitters (ETs) over the wireless…

信息论 · 计算机科学 2017-04-05 Seunghyun Lee , Rui Zhang

This dissertation focuses on the development of novel scheduling and resource allocation schemes, which take into account and regulate the energy constraints imposed by the levels of harvested energy. To this direction, first, the optimal…

信号处理 · 电气工程与系统科学 2018-03-14 Panagiotis D. Diamantoulakis

This paper advocates the use of the emerging distributed compressive sensing (DCS) paradigm in order to deploy energy harvesting (EH) wireless sensor networks (WSN) with practical network lifetime and data gathering rates that are…

信息论 · 计算机科学 2013-10-18 Wei Chen , Yiannis Andreopoulos , Ian J. Wassell , Miguel R. D. Rodrigues

With the advancement of battery technology, energy harvesting communication systems attracted great research attention in recent years. However, energy harvesting communication systems with multiple transmitters and multiple receivers have…

信息论 · 计算机科学 2014-06-03 Fangfang Zhou , Hongbin Chen , Rong Yu , Lisheng Fan

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…

信息论 · 计算机科学 2017-10-13 Ali A. Nasir , Hoang D. Tuan , Duy T. Ngo , Salman Durrani , Dong In Kim

This paper studies user cooperation in the emerging wireless powered communication network (WPCN) for throughput optimization. For the purpose of exposition, we consider a two-user WPCN, in which one hybrid access point (H-AP) broadcasts…

信息论 · 计算机科学 2014-04-08 Hyungsik Ju , Rui Zhang

This paper investigates wireless-powered cell-free systems, in which the users send their uplink data signal while simultaneously harvesting energy from network nodes and user terminals - including the transmitting user terminal itself - by…

信号处理 · 电气工程与系统科学 2022-12-29 Iran M. Braga , Roberto P. Antonioli , Gabor Fodor , Yuri C. B. Silva , Walter C. Freitas

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

The various wireless networks have made the ambient radio frequency signals around the world. Wireless information and power transfer enables the devices to recycle energy from these ambient radio frequency signals and process information…

信息论 · 计算机科学 2013-07-30 Zhiyong Chen , Biao Wang , Bin Xia , Hui Liu

We study wireless power transmission by an energy source to multiple energy harvesting nodes with the aim to maximize the energy efficiency. The source transmits energy to the nodes using one of the available power levels in each time slot…

信号处理 · 电气工程与系统科学 2021-01-01 Debamita Ghosh , Manjesh K. Hanawal , Nikola Zlatanov

This paper presents a new cooperative wireless communication network strategy that incorporates energy cooperation and data cooperation. The model establishment, design goal formulations, and algorithms for throughput maximization of the…

信号处理 · 电气工程与系统科学 2018-01-30 Jun Zhou , Xiaodai Dong , Wu-Sheng Lu

A joint transmitter-receiver energy harvesting model is considered, where both the transmitter and receiver are powered by (renewable) energy harvesting source. Given a fixed number of bits, the problem is to find the optimal transmission…

信息论 · 计算机科学 2016-11-15 Siddhartha Satpathi , Rushil Nagda , Rahul Vaze

A harvest-use-store power splitting (PS) relaying strategy with distributed beamforming is proposed for wirelesspowered multi-relay cooperative networks in this paper. Different from the conventional battery-free PS relaying strategy,…

信息论 · 计算机科学 2016-11-15 Zheng Zhou , Mugen Peng , Zhongyuan Zhao , Wenbo Wang , Rick S. Blum

This paper investigates a wireless-powered cooperative communication network consisting of a source, a destination and a multi-antenna decode-and-forward relay. We consider the relay as a wireless-powered node that has no external power…

信息论 · 计算机科学 2016-06-17 Ziyi Li , He Chen , Yifan Gu , Yonghui Li , Branka Vucetic

This paper proposes a hybrid-relaying scheme empowered by a self-sustainable intelligent reflecting surface (IRS) in a wireless powered communication network (WPCN), to simultaneously improve the performance of downlink energy transfer (ET)…

信号处理 · 电气工程与系统科学 2020-10-01 Bin Lyu , Parisa Ramezani , Dinh Thai Hoang , Shimin Gong , Zhen Yang , Abbas Jamalipour

We consider a sensing application where the sensor nodes are wirelessly powered by an energy beacon. We focus on the problem of jointly optimizing the energy allocation of the energy beacon to different sensors and the data transmission…

信息论 · 计算机科学 2018-06-07 Ayca Ozcelikkale , Mehmet Koseoglu , Mani Srivastava

In energy harvesting (EH) relay networks, the coherent communication requires accurate estima- tion/tracking of the instantaneous channel state information (CSI) which consumes extra power. As a remedy, we propose two noncoherent EH…

信息论 · 计算机科学 2015-06-15 Peng Liu , Saeed Gazor , Il-Min Kim , Dong In Kim

This paper studies online power control policies for outage minimization in a fading wireless link with energy harvesting transmitter and receiver. The outage occurs when either the transmitter or the receiver does not have enough energy,…

信息论 · 计算机科学 2016-11-15 Sheng Zhou , Tingjun Chen , Wei Chen , Zhisheng Niu

Radio-frequency energy harvesting constitutes an effective way to prolong the lifetime of wireless networks, wean communication devices off the battery and power line, benefit the energy saving and lower the carbon footprint of wireless…

信息论 · 计算机科学 2018-02-13 Yanju Gu , Sonia Aïssa
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