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Most studies on energy-efficient scheduling of real-time messages ignore buffer constraint, which is not practical in resource-constraint green wireless networks. In this paper, a novel model, Maze(A,D), is proposed to integrate both time-sensitive and buffer-constraint applications in one framework. The energy-efficient message scheduling is formulated as a shortest-curve problem based on the convex...
Security problem poses a great challenge for running mission-critical cyber-physical systems in wireless networks. With the disregard of security factors, existing message scheduling schemes expose critical messages to security threats, especially by confidentiality attacks. Incorporating confidentiality improvement into message scheduling, we investigate the problem of scheduling periodic messages...
The emergence of multi-core wireless sensor nodes brings a new opportunity to the popularity of wireless sensor networks. At the same time, there arises the question “How to effectively debug concurrent tasks on a multi-core wireless sensor node?” In this paper, based on the uClinux operating system, we design TMCD (Task-level Multi-Core Debugger), a remote task-level debugger to support embedded...
Recent advances in wireless sensor networks have led to many new routing protocols where energy awareness and reliability are the important consideration. The paper analyzes the cluster-based and gradient-based routing protocol in wireless sensor network. The advantages and limitations of protocols have been found. For improving the ability of protocol, an improved clustering routing protocol is proposed...
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