Abstract
The user experience on watching live videos transmitted by Unmanned Aerial Vehicles (UAVs) must be satisfactory even under the influence of topology changes caused by UAVs mobility on a Flying Ad-Hoc Networks (FANETs). However, one of the main challenges to route packets in FANETs is how to mitigate the effects of UAV mobility to preclude communication flaws, delays, and void area, which increase the packet loss during video transmissions. In this way, routing protocols should consider a relay placement service to find the ideal location for UAVs that act as relay nodes, and thus avoiding the effects of UAV movements on the video dissemination. In this paper, we introduce a relay placement mechanism, called MobiFANET, to support live video transmissions with satisfactory Quality of Experience (QoE) to the users. MobiFANET considers both node location and UAV mobility to establish the ideal relay location, precluding route failures and void areas due to UAV movements. Simulation results show how MobiFANET works jointly with a routing protocol for satisfactory multimedia transmission, as required for many safety FANET scenarios.
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