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Performance of Wireless LANs Based on IEEE 802.11 MAC Protocols
Overview IEEE 802.11 MAC protocol has been the standard for Wireless LANs, and also adopted in many network simulation packages for wireless multi-hop ad hoc networks. However, it is well known that, as the traffic goes up, the performance of IEEE 802.11 MAC drops dramatically in terms of delay and throughput, especially when the station approaches its saturation state. To explore the inherent problems in this protocol, it is important to characterize the probability distribution of the packet service time at the MAC layer. In this paper, by modeling the exponential backoff process as a Markov chain, the signal transfer function of the generalized state transition diagram can be used to derive the probability distribution of the MAC layer service time.
| Publisher | University of Florida | File Format | |
|---|---|---|---|
| Date Published | February 2004 | ||
| Format | White Papers | ||
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