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In this research project, we propose to develop novel architecture, communication and signal processing algorithms, network protocols, to enable the deployment of an aquatic network to fully connect the underwater acoustic network with surface ships, submerged craft, ground, air and space assets. The state of art in underwater acoustic communication has severely limited transmission rate and range due to limited channel bandwidth, disrupted and intermittent link connectivity and long propagation delay. Environmental aspects have dramatic impact on underwater acoustic channel characteristics. The current maritime network lacks essential networking functions and operational capability, communication efficiency, and reliability. · More details...
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In this research project, we conduct technical assessment of the eavesdropping vulnerability of the network coding design in DARPA CBMANET project. We have investigated and analyzed the network coding and subgraph design methodology, and developed a simulation model to evaluate the subgraph generation using hierarchical topology construction and linear programming optimization techniques. An eavesdropping analytical and simulation model was developed to evaluate the eavesdropping impact on the CBMANET network coding design. |
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In recent years, wireless communication and networking research has been focused on emerging classes of wireless networks, such as mobile ad-hoc (MANET) networks, mesh networks, sensor networks, cellular networks with multi-hops, etc. Compared to classical point-to-point systems, these new types of networks are extremely difficult to analyze, design and optimize, due to the diverse spatial locations of the network nodes, dynamic traffic flows, and changing topology. In this research, we tackle a few fundamental research problems and also practical design and implementation issues in tactical MANET and wireless mesh network scenarios. |
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Aquatic Communication Networks (2008—Present) |
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SIGNIT Analysis of Network Coding for CBMENET (2008) |
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Wireless Mobile Ad-Hoc and Mesh Networks (2007—Present) |
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Recent Research Projects |
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Sponsors: JHU/APL Independent Research & Development, DARPA |