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Related Experiment Video

Updated: Jul 23, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Heterogeneous Network Switching Strategy Based on Communication Blind Area Dwell Time.

Cheng Zhang1, Yanfeng Tang1, Xiuzhuo Wang1

  • 1School of Electronics and Communication Engineering, Changchun University of Science and Technology, Changchun 130022, China.

Sensors (Basel, Switzerland)
|July 14, 2023
PubMed
Summary

This study introduces a collaborative handover strategy for visible light communication (VLC) and RF networks. It enhances communication stability and reduces power consumption by managing blind areas.

Keywords:
ACO-OFDMcommunication blind areaheterogeneous networkinghorizontal–vertical collaborative handovervisible light communication

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Area of Science:

  • Wireless Communication Systems
  • Optical Networking

Background:

  • Visible light communication (VLC) faces limitations in indoor coverage and signal attenuation, impacting stable communication and increasing power consumption.
  • Existing handover strategies struggle with random user movement and signal propagation challenges in integrated VLC and RF networks.

Purpose of the Study:

  • To propose a novel horizontal-vertical collaborative handover strategy (CBD-HVHO) to address the limitations of indoor visible light communication.
  • To improve communication stability and reduce power consumption in heterogeneous VLC and RF networking systems.

Main Methods:

  • Integration of visible light communication (VLC) and RF communication into a heterogeneous network.
  • Utilizing asymmetrically clipped optical orthogonal frequency division multiplexing (ACO-OFDM) to determine indoor communication blind areas via bit error rate (BER) calculation.
  • Implementing a handover strategy based on comparing communication blind area dwell time with a threshold, combining horizontal and vertical movements.

Main Results:

  • Achieved a handover probability of 0.009 and an average of 1.006 handovers.
  • Demonstrated an average network throughput of 195.2826 Mbps.
  • Significantly improved communication stability and reduced power consumption compared to immediate vertical handover (I-VHO) and dwell vertical handover (D-VHO) schemes.

Conclusions:

  • The proposed CBD-HVHO strategy effectively enhances communication stability in integrated VLC/RF networks.
  • The strategy successfully mitigates issues related to indoor coverage limitations and signal attenuation in visible light communication.
  • This approach offers a viable solution for reducing power consumption in visible light networking systems.