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Wireless Sensor Networks (WSNs) are already employed in numerous applications including military, industry, and health. Considering the inherent limitations in WSNs, the security is a critical issue in WSNs. The declared security functions of each device should be well verified. In this paper, a security testing method based on security level is proposed for WSNs. Meanwhile, an experimental security...
Industrial Wireless communications is emerging technology after the Fieldbus in industrial field. For industrial control application with wireless industrial technologies, the WIA-PA standard defines the protocol suite, system management, gateway, and security for low-data-rate wireless connectivity with fixed, portable, and moving devices supporting the limited power consumption requirements. In...
Wireless Industrial communications is emerging technology after the Fieldbus in industrial field. Since the industrial control application is needed in wireless industrial technologies, WIA-PA standard is defining the protocol suite, system management, gateway, and security for low-data-rate wireless connectivity with fixed, portable, and moving devices supporting limited power consumption requirements...
The most important element of Wireless Sensor Networks technologies is energy efficiency. When we design network protocols for Wireless Sensor Networks, we should consider duplicate messages. We can achieve the goal of energy efficiency as reducing duplicate packets. Directed Diffusion is one of the energy efficient routing protocols. It selects one reinforced path from source to destination and then...
Recently, the usage of WSN increases to collect necessary information. At that time, users must consider energy safety because many small sensors are limited by battery capacity. In wireless sensor network (WSN) among existing protocols, the modified power-efficient gathering in sensor information systems (PEGASIS) is known to be effective routing when applied to cases with directional transmissions...
The vehicle networks on the urban roads have many important factors that influence the performance, such as street layouts and intersections with traffic signs, or inter-vehicle interactions. Thus it is important to use a realistic mobility model. We use real world road layouts in TIGER and compared the performance of the GPSR (position based routing) and the OLSR (reactive routing) popular routing...
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