On Routing in Cognitive Radio Networks

Document type: Conference Papers
Peer reviewed: Yes
Full text:
Author(s): Alexandru Popescu, Markus Fiedler
Title: On Routing in Cognitive Radio Networks
Conference name: 9th International Conference on Communications (COMM2012)
Year: 2012
Pagination: 237-
ISBN: 978-1-4577-0057-6
Publisher: IEEE, ISI
City: Bucharest
URI/DOI: 10.1109/ICComm.2012.6262613
ISI number: 000307808200055
Organization: Blekinge Institute of Technology
Department: School of Computing (Sektionen för datavetenskap och kommunikation)
School of Computing S-371 79 Karlskrona
+46 455 38 50 00
Authors e-mail: app@bth.se, mfi@bth.se
Language: English
Abstract: Abstract—Cognitive Radio Networks (CRNs) are expected toaddress and to resolve important technological and operational challenges of future networks, such as Dynamic Spectrum Access (DSA), routing in heterogeneous networks and provision of
Quality of Experience (QoE) for different applications. Accordingly, a number of new terminal and network functionalities are required to solve the technical problems and to provide efficient management of CRNs. The paper advances a new solution for routing in CRNs, providing communication between Secondary Users (SUs) occupying different so-called Spectrum
Opportunities (SOPs), i.e., portions of spectrum not occupied by Primary Users (PUs). This entails solving a complex process composed by two fundamental elements. These elements are multi-constraint routing and multi-dimensional adaptation for multiple cognitive radio dimensions like space, frequency, power and time. The goal of the paper is to develop optimization algorithms necessary to provide end-to-end (e2e) routing paths for communication between SUs with associated QoE demands.
Subject: Computer Science\Networks and Communications
Keywords: Cognitive radio networks management, spectrum access, route optimization, quality-of-experience.