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Saturation Throughput Analysis of the 802.11e Enhanced Distributed Channel Access Function
 

Summary: Saturation Throughput Analysis of the 802.11e
Enhanced Distributed Channel Access Function
Inanc Inan, Feyza Keceli, and Ender Ayanoglu
Center for Pervasive Communications and Computing
Department of Electrical Engineering and Computer Science
The Henry Samueli School of Engineering
University of California, Irvine
Email: {iinan, fkeceli, ayanoglu}@uci.edu
Abstract-- The IEEE 802.11e standard has recently been rati-
fied. This standard provides Quality-of-Service (QoS) guarantees
in the Medium Access Control (MAC) layer of 802.11 Wireless
Local Area Networks (WLANs). In other words, the 802.11e
standard updates the MAC layer of the former 802.11 standard
for QoS. In particular, the Enhanced Distributed Channel Access
(EDCA) function of 802.11e is an enhancement of the Distributed
Coordination Function (DCF) of 802.11. In this paper, we
present an analytical model for EDCA in saturation mode. Our
model incorporates an accurate Contention Window (CW) and
Arbitration Interframe Space (AIFS) differentiation. In addition,
it provides virtual collision treatment for an Access Category

  

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

 

Collections: Engineering