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Recent Developments in sensor networking for industrial application emphasized need for reliable integration of sensor networks with the internet. For sensor network deployed to record the industrial process parameter in various place of industry, it is important that collected information be delivered as fast as possible with minimum delays. In this paper, an integration module is proposed. The objective...
IP-based Wireless Sensor Networks (IP-based WSNs) combine IPv6 technology with WSNs to create a global sensor network infrastructure. However, wireless radio access and Internet connectivity make end-to-end security urgently needed by security critical WSN applications. Transport Layer Security (TLS) is considered as a suitable solution to ensure such security. However, the certificate-based mechanism...
Although many studies proved that it was possible to embed application servers on a chip with limited resources, security considerations were generally marginalized. Due to their frontal position, application servers are subject to an increasing number of threats. These vulnerabilities are actually ignored in most cases mainly because of cost constraints. This paper introduces the concept of Secure...
A managed wireless mesh for infrastructure-level, stable regional mesh network has been studied. NerveNet, which we have been proposing, is a concept of future regional platform network that covers local regions and provides various context-aware services with the shared use of sensors and actuators. The managed wireless mesh developed for materializing NerveNet features auto-configuration of multiple,...
For multicast applications with large-scale groups in large-scale wireless sensor networks, it is an important issue for energy saving in geographic multicasting both to obtain location information of destination nodes and to construct the geographic multicast tree efficiently. To address this issue, there have been proposed global search based hierarchical geographic multicasting protocols. Such...
Wireless actuators are small scale devices that can receive/accept instructions and act on their environment. The IP Multimedia Subsystem (IMS) is a key component for 3G networks. It aims at seamless provisioning of multimedia services. Combining actuation capabilities with IMS capabilities will certainly enable novel value added services. This paper proposes an architecture for the integration of...
Recently, the government's U-City projects are underway. Accordingly, interests in home automation are increasing. However generally, sensors and devices of the home automation system are equipped and used in a fixed position. In this paper, the mobile robot for collecting environmental information is applied to home automation. This system has complementary for the existing system that has the limitation...
With the emergence of wireless sensor networks in military surveillance, environmental monitoring and other fields, security has become an important issue. Wormhole attack can destabilize or disable a wireless sensor network. In typical wormhole attack, the attacker receives packets in the network, forward them through a wired or wireless link with high-bandwidth low-latency links than the network...
To provide personal services in a ubiquitous environment, it is necessary to identify users without giving a psychological pressure to them. This paper proposes a configuration of the sensor network used to identify a user based on his or her sole pressure distribution on a sensor mat that uses a hetero-core optical fiber. Specifically, it presents a filtering algorithm used to determine the pressure...
Information exchange in a microgrid is vital for monitoring and control purposes. Before any monitoring and control algorithms can be applied to a microgrid system, a suitable, cost-effective and reliable communication network has to be built for information transfer to and from all distributed energy resources and other control devices. To set up a relatively easy-installation communication network...
The paper discusses sensor signal processing and measurement related applications of a generic framework comprising of methods, modules and interfaces distributed over wireless sensor network (WSN) platforms. This original framework was developed based on the Squawk Java Virtual Machine to run on the Sun SPOT WSN platform sensor kits available on the market. The performance of the implemented system...
We develop a new traffic data collecting device. The device is based on magneto-resistive technology, in which the circuit resistance is changed with the imposing magnetic field. It is known that ferrous-body vehicles interfere with Earth's magnetic field, which can be monitored with our device. The signal will then be processed and yields vehicle count, speed, occupancy time, and classification....
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