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We consider a spectrum sharing scenario where a secondary transmitter (ST) communicates with its destination via a decode-and-forward secondary relay (SR) in the presence of interference from multiple primary transmitters. The SR harvests…

Information Theory · Computer Science 2017-07-17 Sanket S. Kalamkar , Adrish Banerjee

In this paper, we examine the fundamental trade-off between radiated power and achieved throughput in wireless multi-carrier, multiple-input and multiple-output (MIMO) systems that vary with time in an unpredictable fashion (e.g. due to…

Information Theory · Computer Science 2015-03-10 Ioannis Stiakogiannakis , Panayotis Mertikopoulos , Corinne Touati

In this paper, we study the Simultaneous Wireless Information and Power Transfer (SWIPT) in a Single-Input Single-Output (SISO) two-user Orthogonal Frequency Division Multiplexing (OFDM) Interference Channel (IFC). We assume that the…

Information Theory · Computer Science 2015-07-02 Zati Bayani Zawawi , Jaehyun Park , Bruno Clerckx

One of the goals of this paper is to contribute to finding distributed power control strategies which exploit efficiently the information available about the global channel state; it may be local or noisy. A suited way of measuring the…

Information Theory · Computer Science 2019-07-25 Chao Zhang , Samson Lasaulce , Achal Agrawal , Raphael Visoz

In this paper we propose a power-efficient transfer of information and energy, where we exploit the constructive part of wireless interference as a source of green useful signal power. Rather than suppressing interference as in conventional…

Information Theory · Computer Science 2015-01-19 Gan Zheng , Christos Masouros , Ioannis Krikidis , Stelios Timotheou

Materials and devices subject to spatiotemporal modulation of their effective properties have a demonstrated ability to support nonreciprocal transmission of waves. Most notably, spatiotemporally modulated systems can restrict wave…

Applied Physics · Physics 2025-10-06 Jiuda Wu , Behrooz Yousefzadeh

Since radio signals carry both energy and information at the same time, a unified study on simultaneous wireless information and power transfer (SWIPT) has recently drawn a significant attention for achieving wireless powered communication…

Information Theory · Computer Science 2014-07-22 Hyungsik Ju , Rui Zhang

A new frequency switching receiver structure is proposed for simultaneous wireless information and power transfer in multi-carrier communication systems. Each subcarrier is switched to either the energy harvesting unit or the information…

Information Theory · Computer Science 2025-09-23 Dogay Altinel , Gunes Karabulut Kurt

In this paper, we analyze the fundamental trade-off between information transfer and power gain by means of an information-theoretic framework in communications circuits. This analysis is of interest as many of today's applications require…

Information Theory · Computer Science 2014-04-22 Fabian Steiner , Amine Mezghani , Josef A. Nossek

This paper studies the interference channel with two transmitters and two receivers in the presence of a MIMO relay in the low transmit power regime. A communication scheme combining block Markov encoding, beamforming, and Willems' backward…

Information Theory · Computer Science 2009-10-21 Anas Chaaban , Aydin Sezgin

In the light of energy conservation and the expansion of existing networks, wireless networks face the challenge of nodes with heterogeneous transmission power. However, for more realistic models of wireless communication only few…

Data Structures and Algorithms · Computer Science 2014-04-29 Fabian Fuchs , Dorothea Wagner

We consider the problem of Simultaneous Wireless Information and Power Transfer (SWIPT) over a fading multiple access channel with additive Gaussian noise. The transmitters as well as the receiver harvest energy from ambient sources. We…

Information Theory · Computer Science 2016-12-14 P K Deekshith , Trupthi Chougule , Shreya Turmari , Ramya Raju , Rakshitha Ram , Vinod Sharma

This work considers communication over Gaussian interference channels with processing energy cost, which explicitly takes into account the energy expended for processing when transmitters are on. In the presence of processing energy cost,…

Information Theory · Computer Science 2013-07-16 Xi Liu , Elza Erkip

In this paper, we theoretically investigate a new technique for simultaneous information and power transfer (SWIPT) in multiple-input multiple-output (MIMO) point-to-point with radio frequency energy harvesting capabilities. The proposed…

Information Theory · Computer Science 2015-04-10 Stelios Timotheou , Ioannis Krikidis , Sotiris Karachontzitis , Kostas Berberidis

Acoustic Power Transfer is a relatively new technology. It is a modern type of a wireless interface, where data signals and supply voltages are transmitted, with the use of mechanical waves, through a medium. The simplest application of…

Sound · Computer Science 2025-05-16 Ippokratis Kochliaridis , Michail E. Kiziroglou

We investigate the efficacy with which entanglement can be teleported using a continuous measurement scheme. We show that by using the correct gain for the classical channel the degree of violation of locality that can be demonstrated…

Quantum Physics · Physics 2009-01-23 R. E. S. Polkinghorne , T. C. Ralph

This paper studies the simultaneous wireless information and power transfer (SWIPT) in a multiuser wireless system, in which distributed transmitters send independent messages to their respective receivers, and at the same time…

Information Theory · Computer Science 2016-11-18 Seunghyun Lee , Liang Liu , Rui Zhang

Wireless power transfer (WPT) is a promising new solution to provide convenient and perpetual energy supplies to wireless networks. In practice, WPT is implementable by various technologies such as inductive coupling, magnetic resonate…

Information Theory · Computer Science 2013-02-18 Rui Zhang , Chin Keong Ho

Internet-of-things (IoT) architectures connecting a massive number of heterogeneous devices need energy efficient, low hardware complexity, low cost, simple and secure mechanisms to realize communication among devices. One of the emerging…

Information Theory · Computer Science 2017-01-30 Burhan Gulbahar

We propose a method to improve quantum state transfer in transmission lines. The idea is to localize the information on the last qubit of a transmission line, by dynamically varying the coupling constants between the first and the last pair…

Quantum Physics · Physics 2009-11-13 A. O. Lyakhov , C. Bruder