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Wireless energy transfer is an emerging technology that is used in networks of battery-powered devices in order to deliver energy and keep the network functional. Existing state-of-the-art studies have mainly focused on applying this…

Networking and Internet Architecture · Computer Science 2021-09-27 Sotiris Nikoletseas , Theofanis P. Raptis , Christoforos Raptopoulos

This paper studies the performance of a differential chaos shift keying (DCSK)-based wireless power transfer (WPT) setup in a frequency selective scenario. Particularly, by taking into account the nonlinearities of the energy harvesting…

Signal Processing · Electrical Eng. & Systems 2022-05-10 Priyadarshi Mukherjee , Constantinos Psomas , Ioannis Krikidis

Radio frequency (RF) energy transfer and harvesting techniques have recently become alternative methods to power the next generation wireless networks. As this emerging technology enables proactive energy replenishment of wireless devices,…

Networking and Internet Architecture · Computer Science 2014-09-08 Xiao Lu , Ping Wang , Dusit Niyato , Dong In Kim , Zhu Han

Considering ubiquitous connectivity and advanced information processing capability, huge amount of low-power IoT devices are deployed nowadays and the maintenance of those devices which includes firmware/software updates and recharging the…

Information Theory · Computer Science 2021-05-28 Mehmet C. Ilter , Risto Wichman , Mikko Säily , Jyri Hämäläinen

A new multi-device wireless power transfer scheme that reduces the overall charging time is presented. The proposed scheme employs the intermediated energy storage (IES) circuit which consists of a constant power driving circuit and a…

Other Computer Science · Computer Science 2013-12-30 Changseok Yoon , Sung Sik Nam , Sung Ho Cho

Data that is transient over an unsecured wireless network is always susceptible to being intercepted by anyone within the range of the wireless signal. Hence providing secure communication to keep the user information and devices safe when…

Cryptography and Security · Computer Science 2014-12-09 Priyanka Bhatia , Ronak Sumbaly

Energy harvesting for wireless communication networks is a new paradigm that allows terminals to recharge their batteries from external energy sources in the surrounding environment. A promising energy harvesting technology is wireless…

Information Theory · Computer Science 2016-11-15 Ioannis Krikidis , Stelios Timotheou , Symeon Nikolaou , Gan Zheng , Derrick Wing Kwan Ng , Robert Schober

Energy harvesting is increasingly gaining importance as a means to charge battery powered devices such as sensor nodes. Efficient transmission strategies must be developed for Wireless Energy Harvesting Nodes (WEHNs) that take into account…

Information Theory · Computer Science 2012-12-06 Maria Gregori , Miquel Payaró

Poorly transparent barriers (e.g., reinforced walls, shielding panels, metallic or high-contrast dielectrics) strongly reflect incident radiation, limiting wireless power transfer (WPT) unless the barrier is structurally modified to support…

Optics · Physics 2025-12-25 Alex Krasnok

This paper presents a wireless neural recording system featuring energy-efficient data compression and encryption. An ultra-high efficiency is achieved by leveraging compressed sensing (CS) for simultaneous data compression and encryption.…

Signal Processing · Electrical Eng. & Systems 2021-03-02 Xilin Liu , Andrew G. Richardson , Jan Van der Spiegel

This paper investigates simultaneous wireless information and power transfer (SWIPT) in energy harvesting (EH) relay systems. Unlike existing SWIPT schemes requiring the channel state information (CSI) for coherent information delivery, we…

Information Theory · Computer Science 2015-05-28 Peng Liu , Saeed Gazor , Il-Min Kim , Dong In Kim

In this paper, a framework for the analysis of the transmission-computation-energy tradeoff in wireless and fixed networks is introduced. The analysis of this tradeoff considers both the transmission energy as well as the energy consumed at…

Information Theory · Computer Science 2010-08-27 P. Rost , G. Fettweis

There is a rich recent literature on how to assist secure communication between a single transmitter and receiver at the physical layer of wireless networks through techniques such as cooperative jamming. In this paper, we consider how…

Networking and Internet Architecture · Computer Science 2013-04-10 Majid Ghaderi , Dennis Goeckel , Ariel Orda , Mostafa Dehghan

We consider a dual-hop wireless network where an energy constrained relay node first harvests energy through the received radio-frequency signal from the source, and then uses the harvested energy to forward the source's information to the…

Information Theory · Computer Science 2017-02-03 Onel L. Alcaraz López , Hirley Alves , Richard Demo Souza , Evelio Martín García Fernández

The shift to smart grids has made electrical power systems more vulnerable to sophisticated cyber threats. To protect these systems, holistic security measures that encompass preventive, detective, and reactive components are required, even…

Cryptography and Security · Computer Science 2024-12-09 Omer Sen , Mehdi Akbari Gurabi , Milan Deruelle , Andreas Ulbig , Stefan Decker

Radio Frequency (RF) Energy Harvesting holds a promising future for generating a small amount of electrical power to drive partial circuits in wirelessly communicating electronics devices. Reducing power consumption has become a major…

Networking and Internet Architecture · Computer Science 2012-09-05 A. M. Zungeru , Li-Minn Ang , S. R. S. Prabaharan , Kah Phooi Seng

This paper investigates and confirms one advantageous function of a power packet dispatching system, which has been proposed by authors' group with being apart from the conventional power distribution system. Here is focused on the function…

Information Theory · Computer Science 2015-03-10 Yanzi Zhou , Ryo Takahashi , Takashi Hikihara

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

We consider the effects of decoding costs in energy harvesting communication systems. In our setting, receivers, in addition to transmitters, rely solely on energy harvested from nature, and need to spend some energy in order to decode…

Information Theory · Computer Science 2015-09-16 Ahmed Arafa , Sennur Ulukus

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…

Information Theory · Computer Science 2013-07-30 Zhiyong Chen , Biao Wang , Bin Xia , Hui Liu