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In this paper, a two-hop communication system with energy harvesting nodes is considered. Unlike battery powered wireless nodes, both the source and the relay are able to harvest energy from environment during communication, therefore, both…

信息论 · 计算机科学 2012-03-01 Oner Orhan , Elza Erkip

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…

信息论 · 计算机科学 2016-11-18 Gang Yang , Chin Keong Ho , Rui Zhang , Yong Liang Guan

In this work, we employ multiple energy harvesting relays to assist information transmission from a multi-antenna hybrid access point (HAP) to a receiver. All the relays are wirelessly powered by the HAP in the power-splitting (PS)…

信息论 · 计算机科学 2020-01-29 Shimin Gong , Yuze Zou , Dinh Thai Hoang , Jing Xu , Wenqing Cheng , Dusit Niyato

This paper proposes and analyzes a new full-duplex (FD) cooperative cognitive radio network with wireless energy harvesting (EH). We consider that the secondary receiver is equipped with a FD radio and acts as a FD hybrid access point…

信息论 · 计算机科学 2017-03-21 Rui Zhang , He Chen , Phee Lep Yeoh , Yonghui Li , Branka Vucetic

This paper focuses on the design of an optimal resource allocation scheme to maximize the energy efficiency (EE) in a simultaneous wireless information and power transfer (SWIPT) enabled two-way decode-and-forward (DF) relay network under a…

信息论 · 计算机科学 2019-03-20 Liqin Shi , Yinghui Ye , Rose Qingyang Hu , Hailin Zhang

In this paper, the design of a wireless communication device relying exclusively on energy harvesting is considered. Due to the inability of rechargeable energy sources to charge and discharge at the same time, a constraint we term the…

信息论 · 计算机科学 2013-02-07 Shixin Luo , Rui Zhang , Teng Joon Lim

This paper investigates an unmanned aerial vehicle (UAV)-enabled wireless communication system with energy harvesting, where the UAV transfers energy to the users in half duplex or full duplex, and the users harvest energy for data…

信号处理 · 电气工程与系统科学 2019-12-25 Zhaohui Yang , Wei Xu , Mohammad Shikh-Bahaei

This paper studies energy efficiency maximization in device-to-device (D2D) communications underlaying cellular networks in millimeter-wave (mm-wave) band. A stochastic geometry framework has been used to extract the results. First,…

信号处理 · 电气工程与系统科学 2020-06-08 Negar Zabetian , Abbas Mohammadi , Mohammad Kazemi

Energy harvesting is a promising solution to prolong the operation of energy-constrained wireless networks. In particular, scavenging energy from ambient radio signals, namely wireless energy harvesting (WEH), has recently drawn significant…

信息论 · 计算机科学 2012-11-01 Liang Liu , Rui Zhang , Kee-Chaing Chua

We consider the wireless powered communications where users harvest energy from non-dedicated sources. The user follows a harvest-then-transmit protocol: in first phase of a slot time the source node harvests energy from a nearby…

网络与互联网体系结构 · 计算机科学 2017-01-26 Hongxing Xia , Yongzhao Li , Hailin Zhang

Energy harvesting (EH) has recently emerged as a key technology for green communications as it can power wireless networks with renewable energy sources. However, directly replacing the conventional non-EH transmitters by EH nodes will be a…

信息论 · 计算机科学 2016-11-17 Yaming Luo , Jun Zhang , Khaled B. Letaief

Energy Harvesting (EH) is a novel technique to prolong the lifetime of the wireless networks such as wireless sensor networks or Ad-Hoc networks, by providing an unlimited source of energy for their nodes. In this sense, it has emerged as a…

信息论 · 计算机科学 2021-04-07 Mahmood Mohassel Feghhi , Aliazam Abbasfar , Mahtab Mirmohseni

We study energy harvesting (EH) transmitter and receiver, where the receiver decodes data using the harvested energy from the nature and from an independent EH node, named helper. Helper cooperates with the receiver by transferring its…

信息论 · 计算机科学 2016-04-19 Mohsen Abedi , Mohammad Javad Emadi , Behzad Shahrasbi

We consider a three-node decode-and-forward (DF) half-duplex relaying system, where the source first harvests RF energy from the relay, and then uses this energy to transmit information to the destination via the relay. We assume that the…

信息论 · 计算机科学 2016-01-19 Zoran Hadzi-Velkov , Nikola Zlatanov , Trung Q. Duong , Robert Schober

This paper studies the newly emerging wireless powered communication network (WPCN) in which one hybrid access point (H-AP) with constant power supply coordinates the wireless energy/information transmissions to/from distributed users that…

信息论 · 计算机科学 2014-07-22 Hyunsgsik Ju , Rui Zhang

Communication nodes with the ability to harvest energy from the environment have the potential to operate beyond the timeframe limited by the finite capacity of their batteries; and accordingly, to extend the overall network lifetime.…

信息论 · 计算机科学 2011-09-27 Deniz Gunduz , Bertrand Devillers

We propose a new energy harvesting strategy that uses a dedicated energy source (ES) to optimally replenish energy for radio frequency (RF) energy harvesting powered Internet of Things. Specifically, we develop a two-step dual tunnel energy…

信号处理 · 电气工程与系统科学 2020-02-24 Yu Luo , Lina Pu , Yanxiao Zhao , Guodong Wang , Min Song

Device to Device (D2D) Communication is expected to be a core part of the forthcoming 5G Mobile Communication Networks as it promises improvements in energy efficiency, spectral efficiency, overall system capacity, and higher data rates…

网络与互联网体系结构 · 计算机科学 2021-05-24 Iacovos Ioannou , Christophoros Christophorou , Vasos Vassiliou , Andreas Pitsillides

The advance in RF energy transfer and harvesting technique over the past decade has enabled wireless energy replenishment for electronic devices, which is deemed as a promising alternative to address the energy bottleneck of conventional…

信息论 · 计算机科学 2015-01-06 Xiao Lu , Ian Flint , Dusit Niyato , Nicolas Privault , Ping Wang

This paper considers orthogonal frequency division multiple access systems with simultaneous wireless information and power transfer. We study the resource allocation algorithm design for maximization of the energy efficiency of data…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober