Maximum delay-constrained source rate over a wireless channel

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Maximum delay-constrained source rate over a wireless channel

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ValueTools; Vol. 321 archive
Proceedings of the 2nd international conference on Performance evaluation methodologies and tools table of contents

Nantes, France

SESSION: Performance and design of wireless networks table of contents

Article No.: 57

Year of Publication: 2007

ISBN:978-963-9799-00-4

Authors

Beatriz Soret	University of Málaga, Málaga, Spain
M. Carmen Aguayo-Torres	University of Málaga, Málaga, Spain
J. Tomás Entrambasaguas	University of Málaga, Málaga, Spain

Sponsors

SIGSIM: ACM Special Interest Group on Simulation and Modeling
: Create-Net
SIGMETRICS: ACM Special Interest Group on Measurement and Evaluation

Publisher

ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering) ICST, Brussels, Belgium, Belgium

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Downloads (6 Weeks): 8, Downloads (12 Months): 33, Citation Count: 0

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ABSTRACT

Providing Quality of Service (QoS) guarantees in the presence of delay-sensitive data streams demands the understanding of the delay's behavior. Moreover, the support of QoS over a wireless channel comes up against to the time-varying nature of the channel. In this work, we accommodate both issues and evaluate the maximum source rate such that certain delay bound D^t can be supported with a violation probability ε. We call this maximum source rate Capacity with Probabilistic Delay Constraint C_D^t,ε. The effective bandwidth theory is a framework widely used to analyze wired networks and constitutes the basis of the work with the necessary adaption for its use in a wireless system. The time-correlated nature of the wireless channel has been modeled with a Finite State Markov Chain (FSMC). As expected, the maximum C_D^t,ε. increases for long allowed delays (D^t ← ∞) and diminishes when the delay constraint is more strict. The expected delay violation probability is compared to simulations in order to validate our results.

REFERENCES

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