Modeling media access in embedded two-flow topologies of multi-hop wireless networks
Proceedings of the 11th annual international conference on Mobile computing and networking
Scheduling aware network flow models for multi-hop wireless networks
WOWMOM '08 Proceedings of the 2008 International Symposium on a World of Wireless, Mobile and Multimedia Networks
Bandwidth estimation: metrics, measurement techniques, and tools
IEEE Network: The Magazine of Global Internetworking
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Estimation of the available capacity in a multiple hop route in cognitive radio networks is challenging. Several complex problems like channel assignment, interference estimation and routing effects needs to be addressed. In this demonstration, we exhibit a capacity estimation engine that determines the available capacity of the routes in a dynamic cognitive radio network using USRP and WARP software-defined radios. In addition to the available capacity, we show the various types of MAC interference and its effect in the network. The tool demonstrates a fundamental capacity estimation block, which provides valuable input to higher level applications like routing, network provisioning and monitoring. A scheduling aware routing algorithm that exploits the capacity estimation engine and scheduling interactions is shown as an example application.