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Typical radios in ad hoc networks can support multi-rate transmissions. However, traditional routing protocols do not use this feature well in multi-rate ad hoc networks and therefore, the network performance and resource utilization are not optimized. Some algorithms have been proposed to take advantage of the multi-rate transmission scheme, but their performance is not optimized either. In this...
A method to do node localization in an indoor environment is presented in this paper. The propagation constant between nodes placed at different locations in an indoor office environment varies. Estimating an appropriate propagation constant is necessary in order to convert received signal strength information between two nodes into useful Euclidean distance. Using Euclidean distance as inputs to...
The increasing popularity of the multimedia applications in mobile ad hoc networks (MANETs) has led to research on QoS support for these applications. However, this is difficult in such networks because of factors such as shared and variable wireless bandwidth, limited power supply and possible mobility of the nodes. Although many QoS provisioning schemes have been presented, few have provided the...
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