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This paper addresses the slicing of Radio Access Network (RAN) resources by multiple tenants, e.g., virtual wireless operators and service providers. We consider a criterion for dynamic resource allocation amongst tenants, based on a…

Networking and Internet Architecture · Computer Science 2016-11-01 P. Caballero , A. Banchs , G. de Veciana , X. Costa-Perez

This paper introduces a random multiple access method for satellite communications, named Network Coding-based Slotted Aloha (NCSA). The goal is to improve diversity of data bursts on a slotted-ALOHA-like channel thanks to error correcting…

Information Theory · Computer Science 2010-09-27 Huyen Chi Bui , Jerome Lacan , Marie-Laure Boucheret

This paper presents a machine learning strategy that tackles a distributed optimization task in a wireless network with an arbitrary number of randomly interconnected nodes. Individual nodes decide their optimal states with distributed…

Information Theory · Computer Science 2021-06-16 Hoon Lee , Sang Hyun Lee , Tony Q. S. Quek

In this work, we propose three pilot assignment schemes to reduce the effect of pilot contamination in cell-free massive multiple-input-multiple-output (MIMO) systems. Our first algorithm, which is based on the idea of random sequential…

Information Theory · Computer Science 2021-05-21 Priyabrata Parida , Harpreet S. Dhillon

In this paper, we propose a novel wireless scheme that integrates satellite, airborne, and terrestrial networks aiming to support ground users. More specifically, we study the enhancement of the achievable users' throughput assisted with…

Networking and Internet Architecture · Computer Science 2019-12-10 Ahmad Alsharoa , Mohamed-Slim Alouini

In this paper, we consider a decentralized wireless communication network with a fixed number $u$ of frequency sub-bands to be shared among $N$ transmitter-receiver pairs. It is assumed that the number of active users is a random variable…

Information Theory · Computer Science 2009-12-01 Kamyar Moshksar , Alireza Bayesteh , Amir K. Khandani

In conventional backscatter communication (BackCom) systems, time division multiple access (TDMA) and frequency division multiple access (FDMA) are generally adopted for multiuser backscattering due to their simplicity in implementation.…

Information Theory · Computer Science 2025-03-10 Bowen Gu , Dong Li , Hao Xie , Kan Yu , Quansheng Guan , Yongjun Xu

An opportunistic spectrum access (OSA) for the infrastructure-less (or cognitive ad-hoc) network has received significant attention thanks to emerging paradigms such as the Internet of Things (IoTs) and smart grids. Research in this area…

Signal Processing · Electrical Eng. & Systems 2018-10-09 Rohit Kumar , Sumit J. Darak , Manjesh K. Hanawal , Ankit Yadav

In this paper, we consider a multihop wireless sensor network with multiple relay nodes for each hop where the amplify-and-forward scheme is employed. We present algorithmic strategies to jointly design linear receivers and the power…

Information Theory · Computer Science 2014-04-29 Tong Wang , Rodrigo C. de Lamare , Anke Schmeink

We analyze Age of Information (AoI) in wireless networks where nodes use a spatially adaptive random access scheme to send status updates to a central base station. We show that the set of achievable AoI in this setting is convex, and…

Networking and Internet Architecture · Computer Science 2023-01-06 Nicholas Jones , Eytan Modiano

The last mile connection is dominated by wireless links where heterogeneous nodes share the limited and already crowded electromagnetic spectrum. Current contention based decentralized wireless access system is reactive in nature to…

Networking and Internet Architecture · Computer Science 2020-02-03 Shuvam Chakraborty , Hesham Mohammed , Dola Saha

Ad-hoc networks, a promising trend in wireless technology, fail to work properly in a global setting. In most cases, self-organization and cost-free local communication cannot compensate the need for being connected, gathering urgent…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-06-12 Matthias R. Brust , Steffen Rothkugel

The problem of near-optimal distributed path planning to locally sensed targets is investigated in the context of large swarms. The proposed algorithm uses only information that can be locally queried, and rigorous theoretical results on…

Robotics · Computer Science 2015-03-19 Ishanu Chattopadhyay

In wireless communication networks, when the workload increases, sources become more aggressive at the equilibrium in the game setting in comparison with the team problem by using slotted Aloha mechanism. Consequently, more packets are in…

Computer Science and Game Theory · Computer Science 2015-01-06 Zaaloul Abdellah , Haqiq Abdelkrim

In this paper, we investigate the transmission range assignment for N wireless nodes located on a line (a linear wireless network) for broadcasting data from one specific node to all the nodes in the network with minimum energy. Our goal is…

Networking and Internet Architecture · Computer Science 2012-04-19 Mohammad R. Ataei , Amir H. Banihashemi , Thomas Kunz

A novel scenario-adapted distributed signaling technique in the context of opportunistic communications is presented in this work. Each opportunistic user acquires locally sampled observations from the wireless environment to determine the…

Information Theory · Computer Science 2021-11-01 Jordi Borras , Gregori Vazquez

This paper introduces a novel concept from coalitional game theory which allows the dynamic formation of coalitions among wireless nodes. A simple and distributed merge and split algorithm for coalition formation is constructed. This…

Information Theory · Computer Science 2016-11-17 Walid Saad , Zhu Han , Merouane Debbah , Are Hjørungnes

Motivated by the relationship between the eigenvalue spectrum of the Laplacian matrix of a network and the behavior of dynamical processes evolving in it, we propose a distributed iterative algorithm in which a group of $n$ autonomous…

Optimization and Control · Mathematics 2012-09-10 Victor M. Preciado , Michael M. Zavlanos , Ali Jadbabaie

The use of existing network devices as relays has a potential to improve the overall network performance. In this work, we consider a two-hop wireless relay setting, where the channels between the source and relay nodes to the destination…

Networking and Internet Architecture · Computer Science 2017-04-11 Mehdi Salehi Heydar Abad , Ozgur Ercetin , Eylem Ekici

In this article, we consider a random access scheme for an indoor Internet of Things (IoT) framework that uses optical wireless communication (OWC). We focus on a Slotted ALOHA (SA)-based solution where a number of OWC IoT users contend to…

Information Theory · Computer Science 2021-07-16 Milica Petkovic , Tijana Devaja , Dejan Vukobratovic , Francisco J. Escribano , Cedomir Stefanovic
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