Context-aware Adaptation Mechanism for Video Dissemination over Flying Ad-Hoc Networks

Pimentel, Larissa; Lima do Rosario, Denis; Cerqueira, Eduardo; Braun, Torsten; Abelem, Antonio; Gerla, Mario (November 2014). Context-aware Adaptation Mechanism for Video Dissemination over Flying Ad-Hoc Networks. In: Wireless Days 2014. IEEE

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The user experience on watching live video se- quences transmitted over a Flying Ad-Hoc Networks (FANETs) must be considered to drop packets in overloaded queues, in scenarios with high buffer overflow and packet loss rate. In this paper, we introduce a context-aware adaptation mechanism to manage overloaded buffers. More specifically, we propose a utility function to compute the dropping probability of each packet in overloaded queues based on video context information, such as frame importance, packet deadline, and sensing relevance. In this way, the proposed mechanism drops the packet that adds the minimum video distortion. Simulation evaluation shows that the proposed adaptation mechanism provides real-time multimedia dissemination with QoE support in a multi-hop, multi-flow, and mobile network environments.

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