Workload-dependent queuing model of an AQM-controlled wireless router with TCP traffic and its application to PER-based link adaptation
Author
Ozturk, O.
Akar, N.
Date
2014 -04Source Title
Eurasip Journal on Wireless Communications and Networking
Print ISSN
1687-1499
Publisher
SpringerOpen
Volume
67
Issue
2014
Pages
1 - 18
Language
English
Type
ArticleItem Usage Stats
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Abstract
We propose a novel workload-dependent queuing model for a wireless router link which employs active queue
management (AQM) and is offered with a number of persistent Transmission Control Protocol (TCP) flows. As
opposed to existing work that focus only on the average queue occupancy as the performance metric of interest, the
proposed analytical method obtains the more information-bearing steady-state queue occupancy distribution of the
wireless AQM link. Simulations are performed to demonstrate the accuracy of the proposed model in both wireline
and wireless scenarios. With the intention of maximizing TCP throughput, this analytical method is used to obtain
guidelines for setting the target wireless packet error rate (PER) for a PER-based traffic-agnostic link adaptation scheme.
Keywords
Workload-dependent queuesTCP
Active queue management;
Link adaptation
Cross-layer analysis