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The IEEE 802.15.4 is designed for low data rate low power wireless personal area networks (LR-WPANs). LR-WPANs are envisioned for a variety of wireless sensor applications: health monitoring, commercial, agriculture, home and industrial automation. A significant feature of IEEE 802.15.4 is the very low duty cycle operation to preserve sensor node's energy. In this paper, we propose a delay mitigation...
In cloud data centers, it is a common practice to locate multiple virtual machines (VMs) in one physical host, in order to increase the resources' utilization. Several objectives may be considered when performing the placement of VMs, including: load balancing, energy consumption minimization, etc. Recently, generated network traffic with a given assignment of VMs is gaining interest and several studies...
Ad-hoc network has opened a new dimension in wireless networks. It allows wireless nodes to communicate with each other in the absence of centralized support. It does not follow any fixed infrastructure because of the mobility of nodes and multi-path propagations. Link instability and node mobility make routing a core issue in MANETs. A suitable and effective routing mechanism helps to extend the...
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