Accurate Link Lifetime Computation in Autonomous Airborne UAV Networks
Shivam Garg, Alexander Ihler, Sunil Kumar

TL;DR
This paper presents a mathematical framework for accurately computing link lifetime in autonomous UAV networks with random trajectories, addressing limitations of previous straight-line assumptions and improving communication reliability.
Contribution
It introduces a novel mathematical model for LLT calculation in UAVs with independent, smooth, random trajectories, enhancing practical applicability.
Findings
The framework accurately predicts link lifetime under random trajectories.
Random trajectory changes impact LLT accuracy, which is analyzed.
The model improves understanding of UAV link stability in dynamic environments.
Abstract
An autonomous airborne network (AN) consists of multiple unmanned aerial vehicles (UAVs), which can self-configure to provide seamless, low-cost and secure connectivity. AN is preferred for applications in civilian and military sectors because it can improve the network reliability and fault tolerance, reduce mission completion time through collaboration, and adapt to dynamic mission requirements. However, facilitating seamless communication in such ANs is a challenging task due to their fast node mobility, which results in frequent link disruptions. Many existing AN-specific mobility-aware schemes restrictively assume that UAVs fly in straight lines, to reduce the high uncertainty in the mobility pattern and simplify the calculation of link lifetime (LLT). Here, LLT represents the duration after which the link between a node pair terminates. However, the application of such schemes is…
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Taxonomy
TopicsUAV Applications and Optimization · Opportunistic and Delay-Tolerant Networks · Distributed Control Multi-Agent Systems
