NDLI: Research on the Lifetime Estimation of Secondary Connections Using the PRP M/G/1 Queuing Network Model

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Research on the Lifetime Estimation of Secondary Connections Using the PRP M/G/1 Queuing Network Model

Content Provider	Semantic Scholar
Author	Ndiomo, Ekendeke
Copyright Year	2013
Abstract	Allocated Spectrum band has always been a limited resource; being later a more challenging issue due to the growth of user demands. The past decade is marked by important changes in spectrum access through especially cognitive radio technology. Here, spectrum access issue can be studied in all the different aspects of cognitive capabilities. This paper focuses on spectrum handoff in spectrum mobility. We will then study secondary connections behaviors after multiple interruptions providing from multiple secondary connections. In the IEEE 802.22 standards [1], two Spectrum Handoff Sequences have been defined to characterize Secondary Connections behaviors after each Primary Connections interruption. These sequences are known as always-leaving and always-staying sequences. A recent analysis uses the extended data delivery time metric to analyze these Spectrum Handoff Sequences. It shows the exponential value of connections service time in the first sequence (always-leaving sequence) and in the other (always-staying sequence), the lack of fairness due to the acquisition of channel’s low-priority queue by the ongoing secondary connection (i.e. the secondary connection actually being served in the low-priority queue). We’ve also noticed that the Extended Data Delivery Time is a good but limited metric because of the lack of prevision, which is a quality needed in cognitive radio networks, especially when implementing spectrum handoff sequences. Our present study aims to analyze these limitations. In what follows, we use the PRP M/G/1 queuing model in cognitive radio network to evaluate latency-sensitive traffic of Secondary Connections through a novel performance metric that we name Lifetime of Secondary Connections. Keywords-cognitive radio; spectrum handoff; lifetime of secondary connection; queuing theory
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://download.atlantis-press.com/article/5944.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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