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Related Experiment Video

Updated: Jun 13, 2026

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

Multi-RIS-Assisted UAV-Enabled V2X Communications Under Mobility-Aware CSI Aging.

Paras Miglani1, Aryan Garg1, Harshvardhan Singh1

  • 1School of Electronics Engineering, Vellore Institute of Technology, Vellore 632014, India.

Sensors (Basel, Switzerland)
|June 12, 2026
PubMed
Summary
This summary is machine-generated.

This study introduces a multi-RIS-assisted UAV system for reliable vehicle-to-everything (V2X) communications. The framework enhances connectivity in dynamic environments, significantly reducing errors for safer V2X.

Keywords:
ABERCSI agingUAV communicationsV2Xmobility-aware optimizationreconfigurable intelligent surfaces

Related Experiment Videos

Last Updated: Jun 13, 2026

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

Area of Science:

  • Wireless communication systems
  • Intelligent transportation systems
  • Aerial robotics

Background:

  • Vehicle-to-everything (V2X) systems require low latency and high reliability, challenging in dynamic wireless settings.
  • Reconfigurable intelligent surfaces (RISs) and unmanned aerial vehicles (UAVs) can improve wireless coverage but often use idealized assumptions.
  • Existing RIS-UAV frameworks struggle with vehicular mobility and channel state information (CSI) aging.

Purpose of the Study:

  • To propose a novel multi-RIS-assisted UAV-enabled V2X communication framework.
  • To address challenges of vehicular mobility, latency constraints, and CSI aging in V2X.
  • To enhance the reliability and performance of V2X communications in realistic scenarios.

Main Methods:

  • A cooperative multi-RIS deployment strategy to eliminate coverage blind spots and ensure link continuity.
  • A joint UAV mobility and RIS phase optimization technique under outdated CSI.
  • Time-varying performance analysis of signal-to-noise ratio (SNR) and average bit error rate (ABER) considering CSI aging.

Main Results:

  • The proposed framework significantly reduces average bit error rate (ABER) by approximately 75% compared to single-RIS systems under outdated CSI.
  • Outage intervals are substantially suppressed in high-mobility V2X scenarios (20 m/s, 20 ms CSI delay).
  • Demonstrated effectiveness of cooperative multi-RIS assistance for safety-critical vehicular communications.

Conclusions:

  • Cooperative multi-RIS assistance is effective for enhancing V2X communication reliability.
  • The proposed framework overcomes limitations of idealized assumptions in RIS-UAV systems.
  • This approach is crucial for enabling robust and safe safety-critical vehicular communications.