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Modern Random Access Protocols

Berioli, Matteo and Cocco, Giuseppe and Liva, Gianluigi and Munari, Andrea (2017) Modern Random Access Protocols. Foundations and Trends in Networking. NOW Publisher.

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Abstract

Random access represents possibly the simplest and yet one of the best known approaches for sharing a channel among several users. Since their introduction in the 1970s, random access schemes have been thoroughly studied and small variations of the pioneering Aloha protocol have since then become a key component of many communications standards, ranging from satellite networks to ad hoc and cellular scenarios. A fundamental step forward for this old paradigm has been witnessed in the past few years, with the development of new solutions, mainly based on the principles of successive interference cancellation, which made it possible to embrace constructively collisions among packets rather than enduring them as a waste of resources. These new lines of research have rendered the performance of modern random access protocols competitive with that of their coordinated counterparts, paving the road for a multitude of new applications. This monograph explores the main ideas and design principles that are behind some of such novel schemes, and aims at offering to the reader an introduction to the analytical tools that can be used to model their performance. After reviewing some relevant thoretical results for the random access channel, the volume focuses on slotted solutions that combine the approach of diversity Aloha with successive interference cancellation, and discusses their optimisation based on an analogy with the theory of codes on graphs. The potential of modern random access is then further explored considering two families of schemes: the former based on physical layer network coding to resolve collisions among users, and the latter leaning on the concept of receiver diversity. Finally, the opportunities and the challenges encountered by random access solutions recently devised to operate in asynchronous, i.e., unslotted, scenarios are reviewed and discussed.

Item URL in elib:https://elib.dlr.de/107467/
Document Type:Book
Title:Modern Random Access Protocols
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Berioli, MatteoTriagnosysUNSPECIFIED
Cocco, Giuseppegiuseppe.cocco (at) dlr.dehttps://orcid.org/0000-0003-1720-8986
Liva, GianluigiDLRUNSPECIFIED
Munari, Andreaandrea.munari (at) inets.rwth-aachen.deUNSPECIFIED
Date:2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmail
Ephremides, Anthonyetony@umd.edu
Publisher:NOW Publisher
Series Name:Foundations and Trends in Networking
Status:Published
Keywords:Random acces; ALOHA; Slotted ALOHA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Multimedia Satellitennetze
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: Cocco, Dr.-Ing. Giuseppe
Deposited On:14 Nov 2016 16:23
Last Modified:25 Jul 2018 11:11

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