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A Wireless Power Transfer Network (WPTN) aims to support devices with cable-less energy on-demand. Unfortunately, wireless power transfer itself-especially through radio frequency radiation rectification-is fairly inefficient due to…

Networking and Internet Architecture · Computer Science 2015-04-03 Qingzhi Liu , Michał Goliński , Przemysław Pawełczak , Martijn Warnier

A non-regenerative dual-hop wireless system based on a distributed space-time coding strategy is considered. It is assumed that each relay retransmits an appropriately scaled space-time coded version of its received signal. The main goal of…

Information Theory · Computer Science 2016-11-18 Jamshid Abouei , Hossein Bagheri , Amir K. Khandani

In a rechargeable wireless sensor network, the data packets are generated by sensor nodes at a specific data rate, and transmitted to a base station. Moreover, the base station transfers power to the nodes by using Wireless Power Transfer…

Signal Processing · Electrical Eng. & Systems 2017-11-15 Kai Li , Wei Ni , Lingjie Duan , Mehran Abolhasan , Jianwei Niu

This paper focuses on wireless energy transfer (WET) to a pair of low complex energy receivers (ER), by only utilizing received signal strength indicator (RSSI) values that are fed back from the ERs to the energy transmitter (ET). Selecting…

Information Theory · Computer Science 2018-03-13 Chanaka Singhabahu , Tharaka Samarasinghe , Samith Abeywickrama , Chau Yuen

Radiative wireless power transfer (WPT) is a promising technology to provide cost-effective and real-time power supplies to wireless devices. Although radiative WPT shares many similar characteristics with the extensively studied wireless…

Information Theory · Computer Science 2016-11-22 Yong Zeng , Bruno Clerckx , Rui Zhang

In this paper, we consider simultaneous wireless information and power transfer (SWIPT) in multi-relay assisted two-hop relay system, where multiple relay nodes simultaneously assist the transmission from source to destination using the…

Information Theory · Computer Science 2016-02-23 Yuan Liu

Through simultaneous energy and information transfer, radio frequency (RF) energy harvesting (EH) reduces the energy consumption of the wireless networks. It also provides a new approach for the wireless devices to share each other's energy…

Information Theory · Computer Science 2014-10-01 Xueqing Huang , Nirwan Ansari

Energy efficiency and its optimization constitute critical tasks in the design of low-power wireless networks. The present work is devoted to the error rate analysis and energy-efficiency optimization of regenerative cooperative networks in…

Information Theory · Computer Science 2015-06-03 Mulugeta K. Fikadu , Paschalis C. Sofotasios , Qimei Cui , Mikko Valkama , George K. Karagiannidis

Energy harvesting (EH) from ambient radio-frequency (RF) electromagnetic waves is an efficient solution for fully autonomous and sustainable communication networks. Most of the related works presented in the literature are based on specific…

Information Theory · Computer Science 2016-11-18 Ioannis Krikidis

The wired charging and the need for battery replacements are critical barriers to unlimited, scalable, and sustainable mobile connectivity, motivating the interest in radio frequency (RF) wireless power transfer (WPT) technology. However,…

Networking and Internet Architecture · Computer Science 2023-11-23 Onel L. A. López , Osmel M. Rosabal , Amirhossein Azarbahram , A. Basit Khattak , Mehdi Monemi , Richard D. Souza , Petar Popovski , Matti Latva-aho

This paper deals with the problem of relay selection in wireless powered cooperative networks, where spatially random relays are equipped with energy storage devices e.g., batteries. In contrast to conventional techniques and in order to…

Information Theory · Computer Science 2016-11-17 Ioannis Krikidis

In this paper, we consider a wireless-powered cooperative communication network consisting of one hybrid access-point (AP), one source, and one relay. In contrast to conventional cooperative networks, the source and relay in the considered…

Information Theory · Computer Science 2015-06-19 He Chen , Yonghui Li , Joao Luiz Rebelatto , Bartolomeu F. Uchoa-Filhoand , Branka Vucetic

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…

Signal Processing · Electrical Eng. & Systems 2019-02-08 Bhathiya Pilanawithana , Saman Atapattu , Jamie Evans

Radiating wireless power transfer (WPT) brings forth the possibility to cost-efficiently charge wireless devices without requiring a wiring infrastructure. As such, it is expected to play a key role in the deployment of limited-battery…

Signal Processing · Electrical Eng. & Systems 2021-08-18 Haiyang Zhang , Nir Shlezinger , Francesco Guidi , Davide Dardari , Mohammadreza F. Imani , Yonina C. Eldar

Consider the communication of a single-user aided by a nearby relay involved in a large wireless network where the nodes form an homogeneous Poisson point process. Since this network is interference-limited the asymptotic error probability…

Information Theory · Computer Science 2011-03-14 Andres Altieri , Leonardo Rey Vega , Cecilia G. Galarza , Pablo Piantanida

We study a multi-source wireless power transfer (WPT) enabled network supporting multi-sensor transmissions. Activated by energy harvesting (EH) from multiple WPT sources, sensors transmit short packets to a destination with finite…

Signal Processing · Electrical Eng. & Systems 2023-02-27 Ning Guo , Xiaopeng Yuan , Yulin Hu , Anke Schmeink

We consider cooperative communications with energy harvesting (EH) relays, and develop a distributed power control mechanism for the relaying terminals. Unlike prior art which mainly deal with single-relay systems with saturated traffic…

Networking and Internet Architecture · Computer Science 2018-10-26 Vesal Hakami , Mehdi Dehghan

This paper empirically validates battery-less sensor activation via wireless energy transmission to release sensors from wires and batteries. To seamlessly extend the coverage and activate sensor nodes distributed in any indoor environment,…

Networking and Internet Architecture · Computer Science 2016-01-06 Daiki Maehara , Gia Khanh Tran , Kei Sakaguchi , Kiyomichi Araki

Characterizing the fundamental tradeoffs for maximizing energy efficiency (EE) versus spectrum efficiency (SE) is a key problem in wireless communication. In this paper, we address this problem for a point-to-point additive white Gaussian…

Information Theory · Computer Science 2013-02-06 Jie Xu , Rui Zhang

Energy harvesting (EH) nodes can play an important role in cooperative communication systems which do not have a continuous power supply. In this paper, we consider the optimization of conventional and buffer-aided link adaptive EH relaying…

Information Theory · Computer Science 2016-11-17 Imtiaz Ahmed , Aissa Ikhlef , Robert Schober , Ranjan K. Mallik
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