Experimental Comparison of Bandwidth Estimation Tools for Wireless Mesh Networks

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Executive Summary

Measurement of available bandwidth in a network has always been a topic of great interest. This knowledge can be applied to a wide variety of applications and can be instrumental in providing Quality of Service to end users. Several probe-based tools have been proposed to measure available bandwidth in wired networks. However, the performance of these tools in the realm of wireless networks has not been evaluated extensively. In recent years, there has also been some work on estimating bandwidth in wireless networks via passively monitoring the channel and determining the 'Busy' and 'Idle' periods. However, such techniques have primarily been evaluated via simulations only.

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