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A secure Wireless Sensor Network consists of highly secured and trustworthy sensor nodes. But making one single node secure is impossible due to low computational power, memory and cost constraints. Sensor nodes are not tamper proof nor will be in future. In our concept we use low-cost redundant sensors and the Byzantine Fault Tolerance to overcome attacks on the network especially concerning insider...
Wireless sensor and actuator networks bring many benefits to industrial automation systems. However, unreliable wireless and multihop communications among sensors and actuators cause challenges in designing such systems. Wireless HART is the first standard for wireless real-time industrial applications. However, current Wireless HART standard does not provide services for efficient usage of actuators,...
Joint Probabilistic Data Association (JPDA) technique can be applied for locating and tracking the radiated sources in dynamic and ad hoc wireless sensor networks. Vice versa, the located sensor nodes in the network can help mapping the indoor environment connected by their RF communication links. However, the sensed information may be corrupted by the clutter (ambient noise and RF interference) that...
In the traditional laboratory surveillance system, its effectiveness depends on the number of cameras installed, but the price is too high, and most adopt fixed video, and often some dead ends, such as an emergency can not be real-time monitor. The purpose of this study propose a set of the use of a small number of network cameras and wireless sensors developed by combining real-time laboratory safety...
This paper presents an intelligent solution of wireless monitoring of a computerized city using SafeMobile units. The system is using a wireless network of vehicular units in order to communicate with a central gateway. The final user is accessing a software application for receiving real-time information from the monitored units and send commands. The major achievement of such a system is reducing...
Scalable data management is essential to share real-time sensor data in a worldwide sensor web. A peer-to-peer (P2P) network is suitable for it because of its scalability, flexibility, and robustness. When we share sensor data from the physical world in a global P2P network, overhead in data updates may be very large because sensor data frequently change in general. However, traditional works in P2P...
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