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Related papers: Diversity Combining for RF Energy Harvesting

200 papers

Radio frequency (RF) energy transfer and harvesting has been intensively studied recently as a promising approach to significantly extend the lifetime of energy-constrained wireless networks. This technique has a great potential to provide…

Information Theory · Computer Science 2017-11-28 He Chen , Chao Zhai , Yonghui Li , Branka Vucetic

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…

Information Theory · Computer Science 2018-02-13 Yanju Gu , Sonia Aïssa

In this paper, we develop optimal policies for deciding when a wireless node with radio frequency (RF) energy harvesting (EH) capabilities should try and harvest ambient RF energy. While the idea of RF-EH is appealing, it is not always…

Information Theory · Computer Science 2015-08-04 Zhenhua Zou , Anders Gidmark , Themistoklis Charalambous , Mikael Johansson

Wireless energy harvesting constitutes an effective way to prolong the lifetime of wireless networks. In this paper, an opportunistic decode-and-forward cooperative communication system is investigated, where the energy-constrained relays…

Information Theory · Computer Science 2018-01-23 Yanju Gu

Due to the fundamental tradeoffs, achieving spectrum efficiency and energy efficiency are two contending design challenges for the future wireless networks. However, applying radio-frequency (RF) energy harvesting (EH) in a cognitive radio…

Information Theory · Computer Science 2016-11-17 Valentin Rakovic , Daniel Denkovski , Zoran Hadzi-Velkov , Liljana Gavrilovska

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…

Performance · Computer Science 2019-02-14 Mehdi Salehi Heydar Abad , Deniz Gunduz , Ozgur Ercetin

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…

Information Theory · Computer Science 2012-11-01 Liang Liu , Rui Zhang , Kee-Chaing Chua

The advancements in smart power grid and the advocation of ``green communications'' have inspired the wireless communication networks to harness energy from ambient environments and operate in an energy-efficient manner for economic and…

Systems and Control · Electrical Eng. & Systems 2020-01-01 Shuyan Hu , Xiaojing Chen , Wei Ni , Xin Wang , Ekram Hossain

With the rapid growth of Internet of Things (IoT) devices, the next generation mobile networks demand for more operating frequency bands. By leveraging the underutilized radio spectrum, the cognitive radio (CR) technology is considered as a…

Networking and Internet Architecture · Computer Science 2018-07-10 Ali Shahini , Abbas Kiani , Nirwan Ansari

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…

Optimization and Control · Mathematics 2018-01-31 Miguel Calvo-Fullana , Carles Antón-Haro , Javier Matamoros , Alejandro Ribeiro

In this paper, a cooperative communication network based on energy-harvesting (EH) decode-and-forward (DF) relays is proposed. For relay nodes, there is harvest-storage-use (HSU) structure in this system. And energy can be obtained from the…

Computers and Society · Computer Science 2023-11-17 Hanyu Liu , Lei Teng , Wannian An , Xiaoqi Qin , Chen Dong , Xiaodong Xu

This article summarizes recent contributions in the broad area of energy harvesting wireless communications. In particular, we provide the current state of the art for wireless networks composed of energy harvesting nodes, starting from the…

Information Theory · Computer Science 2016-11-17 Sennur Ulukus , Aylin Yener , Elza Erkip , Osvaldo Simeone , Michele Zorzi , Pulkit Grover , Kaibin Huang

Wireless energy harvesting (WEH) provides an exciting way to supply energy for relay nodes to forward information for the source-destination pairs. In this paper, we investigate the problem on how the relay node dynamically adjusts the…

Information Theory · Computer Science 2016-11-15 Lansheng Hu , Chao Zhang , Zhiguo Ding

In this paper, we consider a class of wireless powered communication devices using hybrid automatic repeat request (HARQ) protocol to ensure reliable communications. In particular, we analyze the trade-off between accumulating mutual…

Performance · Computer Science 2019-02-14 Mehdi Salehi Heydar Abad , Ozgur Ercetin , Tamer Elbatt , Mohammed Nafie

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,…

Information Theory · Computer Science 2021-05-06 Maria Dimitropoulou , Constantinos Psomas , Ioannis Krikidis

Reconfigurable Intelligent Surfaces (RISs) have gained immense popularity in recent years because of their ability to improve wireless coverage and their flexibility to adapt to the changes in a wireless environment. These advantages are…

Signal Processing · Electrical Eng. & Systems 2023-07-24 Morteza Tavana , Meysam Masoudi , Emil Björnson

Metasurface Energy Harvesters (MEHs) have emerged as a prominent enabler of highly efficient Radio Frequency (RF) energy harvesters. This survey delves into the fundamentals of the MEH technology, providing a comprehensive overview of their…

Emerging Technologies · Computer Science 2024-07-23 Alireza Ghaneizadeh , Panagiotis Gavriilidis , Mojtaba Joodaki , George C. Alexandropoulos

The use of energy harvesting (EH) nodes as cooperative relays is an emerging solution for enabling green wireless systems. In this paper, we consider multiple EH relay nodes harvesting energy from the radio frequency (RF) signal received…

Information Theory · Computer Science 2014-08-20 Yu-Hsien Lee , Kuang-Hao Liu

In recent years, the radio frequency (RF) energy harvesting technique is considered as a favorable alternative to supply power for the next-generation wireless sensor networks. Due to the features of energy self-sustainability and long…

Networking and Internet Architecture · Computer Science 2018-03-02 Yu Luo , Lina Pu , Yanxiao Zhao

Green energy powered cognitive radio (CR) network is capable of liberating the wireless access networks from spectral and energy constraints. The limitation of the spectrum is alleviated by exploiting cognitive networking in which wireless…

Networking and Internet Architecture · Computer Science 2014-08-07 Xueqing Huang , Tao Han , Nirwan Ansari