Performance Analysis of IEEE 802.11 WLANs With Saturated and Unsaturated Sources

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The model is used to investigate the interaction between these two types of sources, which is particularly useful for systems seeking to achieve load-independent "Fair" service differentiation. The authors show that, when the TXOP limit for unsaturated sources is greater than one packet, batches are distributed as a geometric random variable clipped to TXOP limit. Wireless Local Area Networks (WLANs) are widely deployed to provide widespread Internet access through WiFi-enabled mobile devices such as laptops and smart phones. Internet applications over WLANs consist not only of throughput intensive applications such as email and file transfer but also of delay-sensitive ones such as voice and video.