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This letter studies a wireless-powered amplify-and-forward relaying system, where an energy-constrained relay node assists the information transmission from the source to the destination using the energy harvested from the source. We…

Information Theory · Computer Science 2014-11-13 Yong Zeng , Rui Zhang

This paper studies secrecy transmission with the aid of a group of wireless energy harvesting (WEH)-enabled amplify-and-forward (AF) relays performing cooperative jamming (CJ) and relaying. The source node in the network does simultaneous…

Information Theory · Computer Science 2015-11-13 Hong Xing , Kai-Kit Wong , Arumugam Nallanathan , Rui Zhang

In this paper we analyze the trade-offs between energy and throughput for links in a wireless sensor network. Our application of interest is one in which a number of low-powered sensors need to wirelessly communicate their measurements to a…

Information Theory · Computer Science 2014-03-27 Guanghua Zhu , Linda M. Davis , Terence Chan

In this paper, a two-hop decode-and-forward cognitive radio system with deployed interference alignment is considered. The relay node is energy-constrained and scavenges the energy from the interference signals. In the literature, there are…

Information Theory · Computer Science 2018-03-12 Sultangali Arzykulov , Galymzhan Nauryzbayev , Theodoros A. Tsiftsis , Mohamed Abdallah

In this paper, a comprehensive performance analysis of a distributed intelligent reflective surfaces (IRSs)-aided communication system is presented. First, the optimal signal-to-noise ratio (SNR), which is attainable through the direct and…

Information Theory · Computer Science 2022-02-10 Diluka Loku Galappaththige , Dhanushka Kudathanthirige , Gayan Amarasuriya Aruma Baduge

In this paper, we investigate the impact of network coding at the relay node on the stable throughput rate in multicasting cooperative wireless networks. The proposed protocol adopts Network-level cooperation in contrast to the traditional…

Information Theory · Computer Science 2010-09-01 Anthony Fanous , Anthony Ephremides

In this letter, we present an end-to-end performance analysis of dual-hop project-and-forward relaying in a realistic scenario, where the source-relay and the relay-destination links are experiencing MIMO-pinhole and Rayleigh channel…

Information Theory · Computer Science 2016-03-10 Hatim Chergui , Mustapha Benjillali , Samir Saoudi

Providing high-capacity radio connectivity for high-speed trains (HSTs) is one of the most important use cases of emerging 5G New Radio (NR) networks. In this article, we show that 5G NR technology can also facilitate high-accuracy…

Networking and Internet Architecture · Computer Science 2019-05-07 Jukka Talvitie , Toni Levanen , Mike Koivisto , Tero Ihalainen , Kari Pajukoski , Mikko Valkama

In this paper, we study a X-duplex relay system with one source, one amplify-and-forward (AF) relay and one destination, where the relay is equipped with a shared antenna and two radio frequency (RF) chains used for transmission or…

Networking and Internet Architecture · Computer Science 2017-01-23 Shuai Li , Mingxin Zhou , Jianjun Wu , Lingyang Song , Yonghui Li , Hongbin Li

Future networks will pave the way for a myriad of applications with different requirements and Wi-Fi will play an important role in local area networks. This is why network slicing is proposed by 5G networks, allowing to offer multiple…

Networking and Internet Architecture · Computer Science 2021-02-01 Matteo Nerini , David Palma

This paper studies the general multi-antenna multiple-relay network. Every two nodes of the network are either connected together through a Rayleigh fading channel or disconnected. We study the ergodic capacity of the network in the high…

Information Theory · Computer Science 2009-12-22 Shahab Oveis Gharan , Amir K. Khandani

Recent technological advances in wireless communications offer new opportunities and challenges for relay network.To enhance system performance, Demodulate-Network Coding (Dm-NC) scheme has been examined at relay node; it works directly to…

Information Theory · Computer Science 2012-06-29 Ahmed Hassan M. Hassan , Bin Dai , Benxiong Huang

The deployment of large-scale software-based 5G core functions presents significant challenges due to their reliance on optimized and intelligent resource provisioning for their services. Many studies have focused on analyzing the impact of…

Cryptography and Security · Computer Science 2025-07-25 Rodrigo Moreira , Larissa F. Rodrigues Moreira , Flávio de Oliveira Silva

The advent of 5G New Radio (NR) technology has revolutionized the landscape of wireless communication, offering various enhancements such as elevated system capacity, improved spectrum efficiency, and higher data transmission rates. To…

Networking and Internet Architecture · Computer Science 2023-07-27 Donglin Wang , Anjie Qiu , Qiuheng Zhou , Sanket Partani , Hans D. Schotten

The use of Intelligent Reflecting Surfaces (IRSs) is considered a potential enabling technology for enhancing the spectral and energy efficiency of beyond 5G communication systems. In this paper, a joint relay and intelligent reflecting…

Signal Processing · Electrical Eng. & Systems 2024-10-22 Uyoata E. Uyoata , Mobayode O. Akinsolu , Enoruwa Obayiuwana , Abimbola Sangodoyin , Ramoni Adeogun

Fifth-generation (5G) new radio (NR) deployments are being rolled out in both the C-band (3.3 - 5.0 GHz) and millimeter-wave (mmWave) band (24.5 - 29.5 GHz). For outdoor scenarios, the C-band is expected to provide wide area coverage and…

Information Theory · Computer Science 2020-02-03 Mansoor Shafi , Harsh Tataria , Andreas F. Molisch , Fredrik Tufvesson , Geoff Tunnicliffe

Increasing data rates, spectrum efficiency and energy efficiency have been driving major advances in the design and hardware integration of RF communication networks. In order to meet the data rate and efficiency metrics, 5G networks have…

Signal Processing · Electrical Eng. & Systems 2020-09-16 Atom O. Watanabe , Muhammad Ali , Sk Yeahia Been Sayeed , Rao R. Tummala , P. Markondeya Raj

Two types of noise-free relay cascades are investigated. Networks where a source communicates with a distant receiver via a cascade of half-duplex constrained relays, and networks where not only the source but also a single relay node…

Information Theory · Computer Science 2016-11-15 Tobias Lutz , Christoph Hausl , Ralf Kötter

This paper investigates the additive white Gaussian noise two-way relay channel, where two users exchange messages through a relay. Asymmetrical channels are considered where the users can transmit data at different rates and at different…

Information Theory · Computer Science 2011-10-26 Lawrence Ong , Christopher M. Kellett , Sarah J. Johnson

An emerging solution for prolonging the lifetime of energy constrained relay nodes in wireless networks is to avail the ambient radio-frequency (RF) signal and to simultaneously harvest energy and process information. In this paper, an…

Information Theory · Computer Science 2016-11-17 A. A. Nasir , X. Zhou , S. Durrani , R. A. Kennedy