Yau, Kok-Lim Alvin, Komisarczuk, Peter and Teal, Paul D. (2010) Quality of Service (QoS) provisioning in cognitive wireless ad hoc networks: challenges, design approaches, and open issues. In: Quality of Service Architectures for Wireless Networks: Performance Metrics and Management. IGI Global, Hershey, USA, pp. 575-594. ISBN 9781615206803

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Abstract

Cognitive Radio (CR) is a next-generation wireless communication technology that improves the utilization of the overall radio spectrum through dynamic adaptation to local spectrum availability. In CR networks, unlicensed or Secondary Users (SUs) may operate in underutilized spectrum owned by licensed or Primary Users (PUs) conditional upon the PU encountering acceptably low interference levels. A Cognitive Wireless Ad Hoc Network (CWAN) is a multihop self-organized and dynamic network that applies CR technology for ad-hoc mode wireless networks that allow devices within range of each other to discover and communicate in a peer-to-peer fashion without necessarily involving infrastructure such as base stations or access points. Research into Quality of Service (QoS) in CWAN is still in its infancy. To date, there is only a perfunctory attempt to improve the data-link and network layers of the Open Systems Interconnection (OSI) reference model for CR hosts, and so this is the focus of this chapter. We present a discussion on the architecture, open issues and design approaches related to QoS provisioning in CWAN. Our discussion aims to establish a foundation for further research in several unexplored, yet promising areas in CWAN.

Item Type:	Book Section
Identifier:	10.4018/978-1-61520-680-3.ch025
Subjects:	Computing
Depositing User:	Vani Aul
Date Deposited:	21 Mar 2014 16:03
Last Modified:	28 Aug 2021 07:17
URI:	https://repository.uwl.ac.uk/id/eprint/758

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