| Publisher | Institute of Electrical and Electronics Engineers | ||
|---|---|---|---|
| Format | 198.7KB PDF | Date added | 25 Feb 2003 |
| Topics | Wireless LAN, Wi-Fi (802.11), Access Technologies | ||
| Downloads | 19 | ||
This paper analyzes the performance of the IEEE 802.11b wireless local area networks. In this paper it is observed that when some mobile hosts use a lower bit rate than the others, the performance of all hosts is considerably degraded. Such a situation is a common case in wireless local area networks in which a host far away from an Access Point is subject to important signal fading and interference. To cope with this problem, the host changes its modulation type, which degrades its bit rate to some lower value. The paper analyzes the anomaly theoretically by deriving simple expressions for the useful throughput, validate them by means of simulation, and compare with several performance measurements.
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