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A MIMO secure two-hop wireless communication system is considered in this paper. In this model, there are no direct links between the source-destination and the source-eavesdropper. The problem is maximizing the secrecy capacity of the…

Information Theory · Computer Science 2011-10-18 Ghadamali Bagherikaram , Konstantinos N. Plataniotis

Energy harvesting (EH) has recently emerged as a promising technique for green communications. To realize its potential, communication protocols need to be redesigned to combat the randomness of the harvested energy. In this paper, we…

Information Theory · Computer Science 2016-11-17 Yaming Luo , Jun Zhang , Khaled B. Letaief

This paper investigates energy-efficient transmission protocols in relay-assisted federated learning (FL) setup within industrial subnetworks, considering latency and power constraints. In the subnetworks, devices collaborate to train a…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Hamid Reza Hashempour , Gilberto Berardinelli , Shashi Raj Pandey , Hien Quoc Ngo

Energy efficiency in wireless networks has become an important field of research due to ever increasing energy expenditure in battery supplied mobile terminals. In this paper we present an energy efficient routing scheme for multi-standard…

Networking and Internet Architecture · Computer Science 2016-11-17 Riccardo Fedrizzi , Tinku Rasheed

A general class of wireless relay networks with a single source-destination pair is considered. Intermediate nodes in the network employ an amplify-and-forward scheme to relay their input signals. In this case the overall input-output…

Information Theory · Computer Science 2011-06-02 Samar Agnihotri , Sidharth Jaggi , Minghua Chen

In this letter, a novel wireless powered protocol is proposed to maximize the system throughput of an energy harvesting (EH) based cognitive radio network, while satisfying a minimum primary user rate requirement. For EH, we exploit both…

Information Theory · Computer Science 2020-02-07 Anirudh Agarwal , Deepak Mishra

In this paper, we consider wireless powered communication networks which could operate perpetually, as the base station (BS) broadcasts energy to the multiple energy harvesting (EH) information transmitters. These employ "harvest then…

Information Theory · Computer Science 2016-03-02 Zoran Hadzi-Velkov , Ivana Nikoloska , George K. Karagiannidis , Trung Q. Duong

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

Energy harvesting (EH) in wireless communications has become the focus of recent transmission technology studies. Herein, energy storage modeling is one of the crucial design benchmarks that must be treated carefully. Understanding the…

Information Theory · Computer Science 2019-08-06 Sami Akın , M Cenk Gursoy

This paper studies a novel user cooperation method in a wireless powered communication network (WPCN), where a pair of closely located devices first harvest wireless energy from an energy node (EN) and then use the harvested energy to…

Networking and Internet Architecture · Computer Science 2018-07-03 Wanran Xu , Suzhi Bi , Xiaohui Lin , Juan Wang

This letter considers a multi-pair decode-and-forward relay network where a power-splitting (PS) protocol is adopted at the energy-constrained relay to provide simultaneous wireless information and energy harvesting (EH). To achieve higher…

Signal Processing · Electrical Eng. & Systems 2020-03-20 Van-Phuc Bui , Van-Dinh Nguyen , Hieu V. Nguyen , Octavia A. Dobre , Oh-Soon Shin

This paper investigates the outage probability and the throughput of relay networks with wireless information and energy transfer where the relays harvest energy from the transmitted radio-frequency signal of the source. Considering…

Information Theory · Computer Science 2016-07-26 Mahdi Haghifam , Behrooz Makki , Masoumeh Nasiri-Kenari , Tommy Svensson

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

One of the main concerns in traditional Wireless Sensor Networks (WSNs) is energy efficiency. In this work, we analyze two techniques that can extend network lifetime. The first is Ambient \emph{Energy Harvesting} (EH), i.e., the capability…

Information Theory · Computer Science 2016-01-18 Alessandro Biason , Michele Zorzi

Energy consumption is a major limitation of low power and mobile devices. Efficient transmission protocols are required to minimize an energy consumption of the mobile devices for ubiquitous connectivity in the next generation wireless…

Information Theory · Computer Science 2021-06-04 S. M. Zafaruddin , Jan Plachy , Zdenek Becvar , Amir Leshem

In a two-way relay network, two terminals exchange information over a shared wireless half-duplex channel with the help of a relay. Due to its fundamental and practical importance, there has been an increasing interest in this channel.…

Information Theory · Computer Science 2009-02-24 Hien Quoc Ngo , Tony Q. S. Quek , Hyundong Shin

In this paper, we study two-way relay networks (TWRNs) in which two source nodes exchange their information via a relay node indirectly in Rayleigh fading channels. Both Amplify-and-Forward (AF) and Decode-and-Forward (DF) techniques have…

Information Theory · Computer Science 2011-03-01 Qing Chen , Mustafa Cenk Gursoy

We propose a novel transmission protocol for harvest-then-transmit wireless powered communication networks, which takes into account the non-linearity of the energy harvesting (EH) process at the EH users and maximizes the sum rate in the…

Information Theory · Computer Science 2021-08-17 Slavche Pejoski , Zoran Hadzi-Velkov , Robert Schober

In this paper, we investigate joint optimal relay selection and resource allocation under bandwidth exchange (BE) enabled incentivized cooperative forwarding in wireless networks. We consider an autonomous network where N nodes transmit…

Information Theory · Computer Science 2015-03-19 Muhammad Nazmul Islam , Narayan Mandayam , Sastry Kompella

Reliable transmission of a discrete memoryless source over a multiple-relay relay-broadcast network is considered. Motivated by sensor network applications, it is assumed that the relays and the destinations all have access to side…

Information Theory · Computer Science 2012-02-28 Deniz Gunduz , Elza Erkip , Andrea Goldsmith , H. Vincent Poor
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