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The modernization of urban scenarios includes improvements in wireless communication and efficient content dissemination to citizens. In these scenarios, the demographic densification and the phenomenon of popularization of mobile devices may characterize massive demands for online content in crowded regions, able to temporarily deplete the resources of the network infrastructure. To address this...
In recent years, we have witnessed an increase in the popularity of mobile wireless devices and networks, with greater attention devoted to feasibility of opportunistic computing, sensing, and communication. In Mobile Social Networks (MSNs), communication is provided by spatial proximity and social links between peers, where personal devices carried by users communicate directly in a device-to-device...
The popularity of personal devices has been creating a new location-based content era, where users produce, share and access content anytime and anywhere. Mobile devices in the same area can cooperate to each other by using a Device-to-Device (D2D) communication and maximize the usage of network resources and allow the creation of new applications and experiences. In this paper, we investigate the...
In recent years, there is a growing research interest in smart city applications based on opportunistic communications. The opportunistic networks in these scenarios are composed of disconnections, network partitions, high delay and strong influence of human mobility. To cope with these challenges, social-inspired approaches have been proposed considering the structure of networks and personal user...
The increase of computing power and connectivity provide a favorable scenario to data collection never experienced before. The popularization of computing devices, specially portable and for personal use ones, and the large number of applications for these devices are factors that favor social interactions navigation, entertainment, and others. These applications occasionally evaluate the user context...
For smart applications, nodes in wireless multimedia sensor networks (MWSNs) have to take decisions based on sensed scalar physical measurements. A routing protocol must provide the multimedia delivery with quality level support and be energy-efficient for large-scale networks. With this goal in mind, this paper proposes a smart Multi-hop hierarchical routing protocol for Efficient VIdeo communication...
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