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Wireless Personal Communications
Published in: Wireless Personal Communications 4/2013

01-10-2013

CogNS: A Simulation Framework for Cognitive Radio Networks

Authors: Vahid Esmaeelzadeh, Reza Berangi, Seyyed Mohammad Sebt, Elahe Sadat Hosseini, Moein Parsinia

Published in: Wireless Personal Communications | Issue 4/2013

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Abstract

Cognitive radio technology has been used to efficiently utilize the spectrum in wireless networks. Although many research studies have been done recently in the area of cognitive radio networks (CRNs), little effort has been made to propose a simulation framework for CRNs. In this paper, a simulation framework based on NS2 (CogNS) for cognitive radio networks is proposed. This framework can be used to investigate and evaluate the impact of lower layers, i.e., MAC and physical layer, on the transport and network layers protocols. Due to the importance of packet drop probability, end-to-end delay and throughput as QoS requirements in real-time reliable applications, these metrics are evaluated over CRNs through CogNS framework. Our simulations demonstrate that the design of new network and transport layer protocols over CRNs should be considered based on CR-related parameters such as activity model of primary users, sensing time and frequency.
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Metadata
Title
CogNS: A Simulation Framework for Cognitive Radio Networks
Authors
Vahid Esmaeelzadeh
Reza Berangi
Seyyed Mohammad Sebt
Elahe Sadat Hosseini
Moein Parsinia
Publication date
01-10-2013
Publisher
Springer US
Published in
Wireless Personal Communications / Issue 4/2013
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-013-1184-y

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