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Communication Interface Manager for Improving Performance of Heterogeneous UAV Networks.

Laura Michaella Batista Ribeiro1, Ivan Müller2, Leandro Buss Becker3

  • 1Federal Institute of Amazonas, Campus Manaus-Distrito Industrial, Manaus 69075-351, AM, Brazil.

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Summary

This study introduces an interface manager (IM) to enhance stable communication for multiple unmanned aerial vehicles (UAVs). The IM dynamically selects the best wireless interface, improving network throughput and message delivery reliability in UAV networks.

Keywords:
IEEE standardsUAVconnection stabilitymessage reliabilitymobilitywireless networks

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Area of Science:

  • Robotics and Control Systems
  • Wireless Communication Networks
  • Network Engineering

Background:

  • Maintaining stable communication links between multiple unmanned aerial vehicles (UAVs) is a significant challenge due to dynamic distances, trajectories, and environmental factors.
  • Existing multi-UAV communication systems often struggle with link quality and reliability.

Purpose of the Study:

  • To develop and evaluate an interface manager (IM) designed to enhance the stability and quality of UAV-to-UAV (U2U) communication.
  • To dynamically optimize wireless interface selection for improved message exchange in multi-UAV networks.

Main Methods:

  • A novel interface manager (IM) was proposed, capable of dynamically selecting the optimal wireless interface for message transmission based on real-time flight conditions.
  • Simulations were conducted using NS-3, Gazebo, and GzUAV, employing IEEE 802.11n 2.4 GHz and 802.11p 5 GHz interfaces.
  • Performance was assessed using metrics from the medium-access-control (MAC), physical, and application layers, focusing on connectivity and message reliability.

Main Results:

  • The proposed IM significantly increased network throughput compared to single-interface approaches.
  • The system demonstrated a superior proportion of transmitted and received packets.
  • Improved reception power (-60 dBm to -75 dBm) and reduced packet loss (-80 dB to -85 dB) were observed, indicating enhanced link stability.

Conclusions:

  • The developed interface manager effectively enhances the efficiency and stability of network connections in multi-UAV systems.
  • Dynamic interface selection based on real-time conditions is crucial for robust UAV-to-UAV communication.
  • The proposed solution offers a promising approach for reliable communication in complex UAV missions.