| Publisher | Polytechnic of Turin | ||
|---|---|---|---|
| Format | 206.3KB PDF | Date added | 06 Jul 2004 |
| Topics | Wireless LAN, Mobile - Wireless Communications, Wi-Fi (802.11) | ||
| Downloads | 76 | ||
This paper analyzes the performance of the Distributed Coordination Function (DCF) for 802.11 WLANs. It considers a fixed number of contending stations within radio proximity, and investigates the important case in which stations operate under non-saturated conditions. It is assumed that the MAC queues of wireless stations receive from the upper layers a stationary arrival process of packets. The authors identify the fundamental problems that arise in building an analytical model of the system, and propose different approaches to overcome these difficulties. Finally, they apply the modelling technique to study several important issues in 802.11 networks, such as the impact of bursty traffic and the system performance in a multirate environment.
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