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A wireless packet network is considered in which each user transmits a stream of packets to its destination. The transmit power of each user interferes with the transmission of all other users. A convex cost function of the completion times…

Information Theory · Computer Science 2011-04-06 Chris T. K. Ng , Muriel Medard , Asuman Ozdaglar

This paper investigates wireless-powered cell-free systems, in which the users send their uplink data signal while simultaneously harvesting energy from network nodes and user terminals - including the transmitting user terminal itself - by…

Signal Processing · Electrical Eng. & Systems 2022-12-29 Iran M. Braga , Roberto P. Antonioli , Gabor Fodor , Yuri C. B. Silva , Walter C. Freitas

Simultaneous wireless information and power transfer (SWIPT) is a promising solution for enabling long-life, and self-sustainable wireless networks. In this thesis, we propose a practical non-linear energy harvesting (EH) model and design a…

Information Theory · Computer Science 2016-02-03 Elena Boshkovska

This paper considers a two-user Gaussian interference channel with energy harvesting transmitters. Different than conventional battery powered wireless nodes, energy harvesting transmitters have to adapt transmission to availability of…

Information Theory · Computer Science 2015-03-19 Kaya Tutuncuoglu , Aylin Yener

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

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

Distributed antenna systems (DAS) have been widely implemented in state-of-the-art cellular communication systems to cover dead spots. Recent studies have also indicated that DAS have advantages in wireless energy transfer (WET). In this…

Information Theory · Computer Science 2016-06-16 Fangchao Yuan , Shi Jin , Kai-Kit Wong , Hongbo Zhu

In this paper we present new algorithms and analysis for the linear inverse sensor placement and scheduling problems over multiple time instances with power and communications constraints. The proposed algorithms, which deal directly with…

Information Theory · Computer Science 2018-02-14 Cristian Rusu , John Thompson , Neil M. Robertson

In energy harvesting communications, users transmit messages using energy harvested from nature during the course of communication. With an optimum transmit policy, the performance of the system depends only on the energy arrival profiles.…

Information Theory · Computer Science 2016-11-15 Berk Gurakan , Omur Ozel , Jing Yang , Sennur Ulukus

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

In this paper, we study the waveform design problem for a single-input single-output (SISO) radio-frequency (RF) wireless power transfer (WPT) system in frequency-selective channels. First, based on the actual non-linear current-voltage…

Information Theory · Computer Science 2017-03-28 Mohammad R. Vedady Moghadam , Yong Zeng , Rui Zhang

Cooperation between the primary and secondary systems can improve the spectrum efficiency in cognitive radio networks. The key idea is that the secondary system helps to boost the primary system's performance by relaying and in return the…

Information Theory · Computer Science 2015-06-19 Gan Zheng , Zuleita Ho , Eduard A. Jorswieck , Bjorn Ottersten

We consider an energy harvesting transmitter broadcasting data to two receivers. Energy and data arrivals are assumed to occur at arbitrary but known instants. The goal is to minimize the total transmission time of the packets arriving…

Information Theory · Computer Science 2011-11-29 Hakan Erkal , F. Mehmet Ozcelik , Elif Uysal-Biyikoglu

Far-field Wireless Power Transfer (WPT) and Simultaneous Wireless Information and Power Transfer (SWIPT) have attracted significant attention in the RF and communication communities. Despite the rapid progress, the problem of waveform…

Information Theory · Computer Science 2016-11-18 Bruno Clerckx , Ekaterina Bayguzina , David Yates , Paul D. Mitcheson

In this paper, we propose downlink signal design and optimal uplink scheduling for the wireless powered communication networks (WPCNs). Prior works give attention to resource allocation in a static channel because users are equipped with…

Signal Processing · Electrical Eng. & Systems 2018-10-08 Yeongwoo Ko , Sang-Hyo Kim , Jong-Seon No

This paper investigates an indoor hybrid visible light communication (VLC) and radio frequency (RF) scenario with two-hop downlink transmission. A light emitting diode (LED) transmits both data and energy via VLC to an energy-harvesting…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Amir Hossein Fahim Raouf , Chethan Kumar Anjinappa , Ismail Guvenc

The minimization of transmission completion time for a given number of bits per user in an energy harvesting communication system, where energy harvesting instants are known in an offline manner is considered. An achievable rate region with…

Information Theory · Computer Science 2011-02-28 Mehmet Akif Antepli , Elif Uysal-Biyikoglu , Hakan Erkal

Future wireless networks targeted for improving spectral and energy efficiency, are expected to simultaneously provide sensing functionality and support low-power communications. This paper proposes a novel net-zero integrated sensing and…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Yu Zhang , Tongyang Xu , Christos Masouros , Zhu Han

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

This paper presents a new cooperative wireless communication network strategy that incorporates energy cooperation and data cooperation. The model establishment, design goal formulations, and algorithms for throughput maximization of the…

Signal Processing · Electrical Eng. & Systems 2018-01-30 Jun Zhou , Xiaodai Dong , Wu-Sheng Lu