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In the Internet of Things, learning is one of most prominent tasks. In this paper, we consider an Internet of Things scenario where federated learning is used with simultaneous transmission of model data and wireless power. We investigate…

Signal Processing · Electrical Eng. & Systems 2021-07-22 José Mairton B. da Silva , Konstantinos Ntougias , Ioannis Krikidis , Gábor Fodor , Carlo Fischione

In this paper, we study resource allocation for multiuser multiple-input single-output secondary communication systems with multiple system design objectives. We consider cognitive radio networks where the secondary receivers are able to…

Information Theory · Computer Science 2015-04-24 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

We consider the wireless powered communications where users harvest energy from non-dedicated sources. The user follows a harvest-then-transmit protocol: in first phase of a slot time the source node harvests energy from a nearby…

Networking and Internet Architecture · Computer Science 2017-01-26 Hongxing Xia , Yongzhao Li , Hailin Zhang

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

A wireless system with multiple channels is considered, where each channel has several transmission states. A user learns about the instantaneous state of an available channel by transmitting a control packet in it. Since probing all…

Data Structures and Algorithms · Computer Science 2008-04-11 Sudipto Guha , Kamesh Munagala , Saswati Sarkar

This paper studies a wireless powered mobile edge computing (MEC) system with fluctuating channels and dynamic task arrivals over time. We jointly optimize the transmission energy allocation at the energy transmitter (ET) for WPT and the…

Information Theory · Computer Science 2020-01-14 Feng Wang , Jie Xu , Shuguang Cui

This paper considers a heterogeneous ad hoc network with multiple transmitter-receiver pairs, in which all transmitters are capable of harvesting renewable energy from the environment and compete for one shared channel by random access. In…

Information Theory · Computer Science 2016-06-16 Hang Li , Chuan Huang , Ping Zhang , Shuguang Cui , Junshan Zhang

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

This paper considers the problem of simultaneous information and energy transmission (SIET), where the energy harvesting function is only known experimentally at sample points, e.g., due to nonlinearities and parameter uncertainties in…

Information Theory · Computer Science 2019-03-06 Daewon Seo , Lav R. Varshney

We study transmission delay minimization of a wireless powered communication (WPC) system in a point-to-point scenario with one hybrid access point (HAP) and one WPC node. In this type of communications, the HAP sends energy to the node at…

Information Theory · Computer Science 2018-06-27 Mohammad Lari

We consider an energy harvesting sensor that is sending measurement updates regarding some physical phenomenon to a destination. The sensor relies on energy harvested from nature to measure and send its updates, and is equipped with a…

Information Theory · Computer Science 2018-02-06 Ahmed Arafa , Jing Yang , Sennur Ulukus

In this paper, we introduce a new model for RF-powered cognitive radio networks with the aim to improve the performance for secondary systems. In our proposed model, when the primary channel is busy, the secondary transmitter is able either…

Networking and Internet Architecture · Computer Science 2016-08-10 Dinh Thai Hoang , Dusit Niyato , Ping Wang , Dong In Kim , Zhu Han

In this paper, we investigate a distributed learning scheme for a broad class of stochastic optimization problems and games that arise in signal processing and wireless communications. The proposed algorithm relies on the method of matrix…

Information Theory · Computer Science 2017-04-05 Panayotis Mertikopoulos , E. Veronica Belmega , Romain Negrel , Luca Sanguinetti

In this paper, we analyze the performance of a time-slotted multi-antenna wireless powered communication (WPC) system, where a wireless device first harvests radio frequency (RF) energy from a power station (PS) in the downlink to…

Information Theory · Computer Science 2017-05-19 Rania Morsi , Elena Boshkovska , Esmat Ramadan , Derrick Wing Kwan Ng , Robert Schober

This paper is motivated by the observation that the average queueing delay can be decreased by sacrificing power efficiency in wireless communications. In this sense, we naturally wonder what is the minimum queueing delay when the available…

Information Theory · Computer Science 2018-07-27 Meng Wang , Juan Liu , Wei Chen , Anthony Ephremides

We first consider an energy harvesting channel with fading, where only the transmitter harvests energy from natural sources. We bound the optimal long term throughput by a constant for a class of energy arrival distributions. The proposed…

Information Theory · Computer Science 2015-01-28 Jainam Doshi , Rahul Vaze

Transmission capacity of an ad hoc wireless network is analyzed when each node of the network harvests energy from nature, e.g. solar, wind, vibration etc. Transmission capacity is the maximum allowable density of nodes, satisfying a per…

Information Theory · Computer Science 2015-03-20 Rahul Vaze

Motivated by the recent development of energy harvesting communications, and the trend of multimedia contents caching and push at the access edge and user terminals, this paper considers how to design an effective push mechanism of energy…

Information Theory · Computer Science 2015-01-27 Jie Gong , Sheng Zhou , Zhenyu Zhou , Zhisheng Niu

In this paper, we investigate the transmission completion time minimization problem in a two-user additive white Gaussian noise (AWGN) broadcast channel, where the transmitter is able to harvest energy from the nature, using a rechargeable…

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

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
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