Weilong Hu

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A modeling and simulation environment supporting scalable network system analysis and design is described. The environment, called DEVS/DOC, enables simulation modeling of network systems where hardware and software layers of the system are modeled separately and combined based on the concept of quantum Distributed Object Computing. The key benefit of this(More)
Co-design modeling is considered key toward handling the complexity and scale of network systems. The ability to separately specify the software and hardware aspects of computer network systems offers new capabilities beyond what is supported in modeling frameworks and tools such as NS-2 and OPNET. The DEVS/DOC simulation environment supports logical(More)
With the increasing importance of radio spectrum in the national economy and safety, this paper develops a wide area and wide band radio spectrum monitoring system which uses sensor networks. The significant contribution of the paper is introducing wireless sensor networks into the design of the spectrum monitoring system. A spectrum monitoring oriented(More)
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