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Harris Corporation and the State University of New York at Buffalo are conducting a collaborative project to develop an HF network simulation framework based on the ns-2 open-source network simulator. The framework will contain models of HF channel characteristics, waveforms, protocols, and typical traffic loads, so as to be useful for analyzing HF radio networks under real-world conditions. This...
This paper investigates the potential of the compressed sensing (CS) paradigm for video streaming in Wireless Multimedia Sensor Networks. The objective is to study performance limits and outline key design principles that will be the basis for cross-layer protocol stacks for efficient transport of compressive video streams. Hence, this paper investigates the effect of key video parameters (i.e., quantization,...
The availability of inexpensive CMOS cameras and microphones that can ubiquitously capture multimedia content from the environment is fostering the development of Wireless Multimedia Sensor Networks (WMSNs), i.e., distributed systems of wirelessly networked devices that can retrieve video and audio streams, still images, and scalar sensor data. WMSNs require the sensor network paradigm to be re-thought...
A proactive routing protocol called multi-mesh tree (MMT) was developed for use in wireless ad hoc network to extend connectivity from an Internet gateway to around 20 mobile nodes in a city area. In the work presented here, we extend MMT to wireless ad hoc networks of around one hundred nodes through a clustering algorithm that is integrated into the MMT creation. The proposed scheme uses a hybrid...
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