Priority Queuing Based Spectrum Sensing in Cognitive Radio Network Priority Queuing Based Spectrum sensing Methodology in Cognitive Radio Network

Auteur: Sajid Mahmood
Taal: Engels
Priority Queuing Based Spectrum Sensing in Cognitive Radio Network

Samenvatting

Radio spectrum is becoming scarce resource due to increase in the usage of wireless communication devices. However studies have revealed that most of the allotted spectrum is not used effectively. Given the demand for more bandwidth and the amount of underutilized spectrum, DSA (Dynamic Spectrum Access) networks employing cognitive radios are a solution that can revolutionize the telecommunications industry, significantly changing the way we use spectrum resources, and design wireless systems and services. Cognitive radio has improve the spectral efficiency of licensed radio frequency bands by accessing unused part of the band opportunistically without interfering with a license primary user PU. In this thesis we investigate the effects on the quality of service (QoS) performance of spectrum management techniques for the connection-based channel usage behavior for Secondary user (SU). This study also consider other factors such as spectrum sensing time, spectrum handoff and generally distributed service time and channel contention for different SUs. The preemptive resume priority M/G/1 queuing theory is used to characterize the above mentioned effects.
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Productspecificaties

Inhoud

Taal
Engels
Bindwijze
Paperback
Verschijningsdatum
2011-01-01
Aantal pagina's
92 pagina's
Illustraties
Nee

Betrokkenen

Auteur
Sajid Mahmood Mujeeb Abdullah
Co-auteur
Mujeeb Abdullah
Uitgever
Vdm Verlag

EAN

EAN
9783639348385

Overige kenmerken

Extra groot lettertype
Nee
NUR code
959
Oorspronkelijke releasedatum
2011-08-26
Subtitel
Priority Queuing Based Spectrum sensing Methodology in Cognitive Radio Network

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