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A Capacity Analysis Framework for the IEEE 802.11e Contention-based Infrastructure Basic
 

Summary: 1
A Capacity Analysis Framework for the IEEE
802.11e Contention-based Infrastructure Basic
Service Set
Inanc Inan Member, IEEE, Feyza Keceli Member, IEEE, and Ender Ayanoglu Fellow, IEEE
Abstract--We propose a multimedia capacity analysis frame-
work for the Enhanced Distributed Channel Access (EDCA)
function of the IEEE 802.11e standard. Our analysis shows that
the multimedia capacity of the EDCA function for each Access
Category (AC) can accurately be estimated by appropriately
weighing the service time predictions of a saturation model
over different number of active stations. We propose a simple
and generic cycle time model to derive the service time in
saturation which we employ in the calculation of an accurate
station- and AC-specific queue utilization ratio. Based on the
estimated queue utilization ratio, we design a simple model-
based admission control scheme. We show that the proposed
call admission control algorithm maintains satisfactory user-
perceived quality for coexisting voice and video connections in an
infrastructure Basic Service Set (BSS) and do not present over-

  

Source: Ayanoglu, Ender - Department of Electrical and Computer Engineering, University of California, Irvine

 

Collections: Engineering