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Design of an effective and reliable communication network supporting smart grid applications requires a selection of appropriate communication technologies and protocols. The objective of this paper is to study and quantify the capabilities…

Networking and Internet Architecture · Computer Science 2019-02-01 Desong Bian , Murat Kuzlu , Manisa Pipattanasomporn , Saifur Rahman , Di Shi

Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without interfering with the legacy systems. In this paper we propose novel cooperative communication models and show how deploying such…

Information Theory · Computer Science 2009-05-28 Ali Tajer , Xiaodong Wang

This paper proposes a superposition transmission scheme for the future Radio Frequency (RF) convergence applications. The scheme is discussed under the assumption of a mono-static broadcasting channel topology. Under communications…

Signal Processing · Electrical Eng. & Systems 2021-08-25 Wenbo Wang , Bo Tan , Elena Simona Lohan , Mikko Valkama

The sixth-generation (6G) mobile networks must increase coverage and improve spectral efficiency, especially for cell-edge users. Distributed multiple-input multiple-output (D-MIMO) networks can fulfill these requirements provided that…

Signal Processing · Electrical Eng. & Systems 2023-05-08 Rafael Puerta , Mahdieh Joharifar , Mengyao Han , Anders Djupsjöbacka , Vjaceslavs Bobrovs , Sergei Popov , Oskars Ozolins , Xiaodan Pang

Relevance of research on telecommunications networks is predicated upon the implementations which it explicitly claims or implicitly subsumes. This paper supports researchers through a survey of Communications Service Providers current…

Networking and Internet Architecture · Computer Science 2023-12-04 Etienne-Victor Depasquale , Mark Tinka , Saviour Zammit , Franco Davoli

Spectrum sharing is an elegant solution to addressing the scarcity of the bandwidth for wireless communications systems. This research studies the feasibility of sharing the spectrum between sectorized cellular systems and stationary radars…

Networking and Internet Architecture · Computer Science 2014-06-11 Mo Ghorbanzadeh , Ahmed Abdelhadi , Charles Clancy

In this paper, we design, analyze the convergence properties and address the implementation aspects of AFAFed. This is a novel Asynchronous Fair Adaptive Federated learning framework for stream-oriented IoT application environments, which…

Machine Learning · Computer Science 2022-07-01 Enzo Baccarelli , Michele Scarpiniti , Alireza Momenzadeh , Sima Sarv Ahrabi

This paper derives the outage probability and transmission capacity of ad hoc wireless networks with nodes employing multiple antenna diversity techniques, for a general class of signal distributions. This analysis allows system performance…

Information Theory · Computer Science 2016-11-15 Andrew M. Hunter , Jeffrey G. Andrews , Steven Weber

We analyze the spectral efficiency performance and limits of orthogonal frequency-division multiple access (OFDMA) cognitive radios (CRs) with an imperfect availability of cross-link knowledge. In particular, in contrast to the conventional…

Information Theory · Computer Science 2017-10-24 H. Saki , M. Shikh-Bahaei

Forthcoming wireless communications will be characterized by the ubiquity of multiaccess. Despite the inherently increased complexity, end-users should be able to take advantage of the most suitable access network. Thus, access selection in…

Networking and Internet Architecture · Computer Science 2011-05-10 Kostas Pentikousis , Ramón Agüero , Jens Gebert , José Antonio Galache , Oliver Blume , Pekka Pääkkönen

Intelligent Internet-of-Things (IoT) will be transformative with the advancement of artificial intelligence and high-dimensional data analysis, shifting from "connected things" to "connected intelligence". This shall unleash the full…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Kai Yang , Yuanming Shi , Yong Zhou , Zhanpeng Yang , Liqun Fu , Wei Chen

Analog Multiple-Input Multiple-Output Radio-over-Copper (A-MIMO-RoC) is an effective all-analog FrontHaul (FH) architecture that exploits any pre-existing Local Area Network (LAN) cabling infrastructure of buildings to distribute…

Signal Processing · Electrical Eng. & Systems 2019-10-24 Andrea Matera , Vittorio Rampa , Marcello Donati , Armando Colamonico , Andrea Fabio Cattoni , Umberto Spagnolini

This paper analyzes the efficacy of decoupled wireless access in a two-tier heterogeneous network. The decoupled wireless access and its performance benefits have been studied in different scenarios recently. In this paper, an in-depth…

Signal Processing · Electrical Eng. & Systems 2019-03-18 Zeeshan Sattar , Joao V. C. Evangelista , Georges Kaddoum , Naïm Batani

Hybrid free space optical (FSO)/radio frequency (RF) systems have been proved to be reliable links for high-data-rate wireless backhauls. In this paper, we present a unified performance analysis of the hybrid FSO/RF transmission system…

Signal Processing · Electrical Eng. & Systems 2020-12-30 Long Huang , Siming Liu , Pan Dai , Mi Li , Gee-Kung Chang , Yuechun Shi , Xiangfei Chen

In this paper a novel multi-hop relay-assisted hybrid Free Space Optical / Radio Frequency (FSO / RF) communication system is presented, in which a mobile user is connected to the Base Station via a multi-hop relay-assisted hybrid FSO / RF…

Signal Processing · Electrical Eng. & Systems 2018-11-21 Mohammad Ali Amirabadi

In this work, we discuss techniques for coherently detecting turbo coded orthogonal frequency division multiplexed (OFDM) signals, transmitted through frequency selective Rayleigh (the magnitude of each channel tap is Rayleigh distributed)…

Information Theory · Computer Science 2015-11-04 K. Vasudevan

A Cognitive Radio is a type of Software-Defined Radio (SDR) that automatically detects available wireless spectrum and adjusts its physical hardware, modulation, or protocol parameters to obtain optimal throughput, latency, and range. Much…

Networking and Internet Architecture · Computer Science 2023-01-10 William B. Schoeler

When multiple radio-frequency sources are connected to multiple loads through a passive multiport matching network, perfect power transfer to the loads across all frequencies is generally impossible. In this two-part paper, we provide…

Information Theory · Computer Science 2017-03-16 Ding Nie , Bertrand M. Hochwald

This paper investigates performance of a relay assisted hybrid Free Space Optical / Radio Frequency (FSO/RF) communication system. The proposed structure is particularly recommended anywhere that direct RF communication between mobile users…

Signal Processing · Electrical Eng. & Systems 2019-05-22 Mohammad Ali Amirabadi

This paper investigates the performance of open-loop multi-antenna point-to-point links in ad hoc networks with slotted ALOHA medium access control (MAC). We consider spatial multiplexing transmission with linear maximum ratio combining and…

Information Theory · Computer Science 2016-11-18 Raymond H. Y. Louie , Matthew R. McKay , Iain B. Collings