CogWnet: A Resource Management Architecture for Cognitive Wireless Networks

Ismail Alqerm, Basem Shihada, Kang G. Shin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Scopus citations

Abstract

With the increasing adoption of wireless communication technologies, there is a need to improve management of existing radio resources. Cognitive radio is a promising technology to improve the utilization of wireless spectrum. Its operating principle is based on building an integrated hardware and software architecture that configures the radio to meet application requirements within the constraints of spectrum policy regulations. However, such an architecture must be able to cope with radio environment heterogeneity. In this paper, we propose a cognitive resource management architecture, called CogWnet, that allocates channels, re-configures radio transmission parameters to meet QoS requirements, ensures reliability, and mitigates interference. The architecture consists of three main layers: Communication Layer, which includes generic interfaces to facilitate the communication between the cognitive architecture and TCP/IP stack layers; Decision-Making Layer, which classifies the stack layers input parameters and runs decision-making optimization algorithms to output optimal transmission parameters; and Policy Layer to enforce policy regulations on the selected part of the spectrum. The efficiency of CogWnet is demonstrated through a testbed implementation and evaluation.
Original languageEnglish (US)
Title of host publication2013 22nd International Conference on Computer Communication and Networks (ICCCN)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISBN (Print)9781467357753
DOIs
StatePublished - Jul 2013

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