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Sink mobility can improve the energy efficiency and data gathering performance in wireless sensor networks. However, mobility of the sink station may be constrained in some applications and it becomes a challenge to optimize the network performance for random distribution and hierarchical topology. We focus on prolonging the network lifetime and keep the data gathering performance at an acceptable...
Virtual machine (VM) based virtual infrastructure has been adopted widely in cloud computing environment for elastic resource provisioning. Performing resource management using VMs, however, is a heavyweight task. In practice, we have identified two scenarios where VM based resource management is less feasible and less resource-efficient. In this paper, we propose a lightweight resource management...
most devices in power plant work in hostile environment, such as high temperature, humidity and danger. Our goal is to monitor and manage the battery protection system by the Industrial Ethernet. Eventually, we expect to design out the on-line battery architecture with remote communication function and the dynamic human-machine interface to ensure the protection system can work at the crucial moment.
Wireless sensor and actor network (WSAN) is a new kind of heterogeneous wireless sensor networks. In WSANs, while sensors gather and send the sensing messages from the physical environment, actors need to take appropriate actions. Based upon the rich source actor, WSANs are increasingly deployed for accurately monitoring the environments subjected to critical conditions. The ordering of monitored...
Needed from the development of city construction, there is an increasingly high demand to the city lights system in factors of stability, security, economy and reliability. These factors' ensuring will grasp timely, accurate and systematic analyses for the lights system by new and high technologies. With the continuous development of Internet technologies and with the long-range real-time monitoring...
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