| Publisher | Telenor | ||
|---|---|---|---|
| Format | 535.8KB PDF | Date added | 06 Nov 2005 |
| Topics | Quality of Service, Wi-Fi (802.11), Mobile - Wireless Communications | ||
| Downloads | 355 | ||
The majority of analytical work on the performance of IEEE 802.11 focuses on predicting the throughput and the mean delay of only the medium access, although higher layer applications and protocols are interested in the total performance of the MAC layer. Seen in this perspective, surprisingly little focus has been on predicting the queueing delay. The main contribution of this paper is that it presents the full delay distribution through the z-transform. The z-transform is derived from an analytical model that works in the whole range from a lightly loaded, non-saturated channel to a heavily congested, saturated medium. The model describes the priority schemes of the Enhanced Distributed Channel Access (EDCA) mechanism of the IEEE 802.11e standard.
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