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We discuss the applicability of IEEE 802.15.4 for application in industrial automation. Based on the specific requirements in this field, especially w.r.t. real-time operation, we analyzed the weaknesses of the standard protocol and proposed a novel MAC protocol that keeps the original PHY definition in order to work using available IEEE 802.15.4 chipsets. In earlier work, we analytically derived...
Mobile Ad Hoc Networks (MANETs) have evolved in the last years into standards in the communication world. By definition, they do not need any network infrastructure to facilitate communication between participating nodes. Therefore, MANETs are dealing with new challenges in the context of ad hoc routing. Simulation techniques are one of the fundamental methodologies to support the protocol engineering...
Many security solutions have been proposed in the domain of wireless sensor networks (WSN). Usually, all these approaches are based on well-known cryptographic algorithms. The efficiency of WSN not only depends on effective routing decisions or energy aware wireless communication. In contrast, the efficiency strongly depends on the application scenario that includes appropriate security mechanisms...
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