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Title: ADAPTIVE ROUTING IN FANET NETWORKS BASED ON PIECEWISE LINEAR APPROXIMATION
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ADAPTIVE ROUTING IN FANET NETWORKS BASED ON PIECEWISE LINEAR APPROXIMATION
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1314-2704
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English
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21
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7.1
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• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA |
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Flying ad-hoc networks (FANET) based on unmanned aerial vehicles (UAVs) are characterized by frequent changes in the network topology, which is caused by switching nodes on and off, as well as their movements in space. These aspects of the FANET operation determine the relevance of the development of new routing protocols, which differ significantly from the protocols of hierarchical networks with a constant topology. One of the key problems of FANET is the high overhead costs for transmitting service messages about the coordinates of network nodes, which is caused by the high mobility of these nodes. To reduce an amount of service information, FANET, we have developed an algorithm for constructing the UAV trajectory based on approximation by continuous piecewise linear functions (CPLF). The developed algorithm allows for an approximation with an adaptive step. The use of this approach leads to an increase in accuracy, since the approximating function adapts to the change in the nonlinearity properties of the initial characteristic. At the same time, the proposed approach has less computational complexity compared to the known algorithm for pairing courses, which is redundant for routing. An example of approximation of a fragment of the UAV trajectory based on the above algorithm is given. The simulation showed that the modified ad-hoc on-demand vector (AODV) protocol with the use of CPLF allows in some cases to calculate the coordinates of network nodes from past coordinate values without transmitting service messages. This reduces overhead costs by up to 20 % and shows the effectiveness of the proposed algorithm.
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conference
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21st International Multidisciplinary Scientific GeoConference SGEM 2021
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21st International Multidisciplinary Scientific GeoConference SGEM 2021, 16 - 22 August, 2021
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Proceedings Paper
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STEF92 Technology
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SGEM International Multidisciplinary Scientific GeoConference
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci
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3-10
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16 - 22 August, 2021
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website
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cdrom
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7855
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Unmanned aerial vehicles; UAVs; Flying Ad Hoc Network; FANET; Routing; Trajectory approximation; Piecewise linear functions
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