Literature Database Entry


Elnaz Alizadeh Jarchlo, Elizabeth Eso, Hossein Doroud, Bernhard Siessegger, Zabih Ghassemlooy, Giuseppe Caire and Falko Dressler, "Li-Wi: An Upper Layer Hybrid VLC-WiFi Network Handover Solution," Elsevier Ad Hoc Networks, vol. 124, pp. 102705, January 2022.


Visible light communications (VLC) as a wireless communication technology complementing the radio frequency-based wireless fidelity (WiFi). The hybrid VLC/WiFi, offers the best of both worlds, which are of particular interested in vehicular VLC (V-VLC) that have not yet been explored yet. In this paper, we propose an upper layer hybrid VLC-WiFi network handover solution known as “Li-Wi” to address the handover issues in V-VLC due to the mobility, shadowing, and obstacles. Li-Wi utilizes the benefits of high data rates and link availability of VLC and WiFi, respectively. It offers robust connectivity with lower handover outage duration (Thod) and a high network throughput. Based on experimental evaluation results using a small-scale prototype, we demonstrate the advantage of the proposed approach. Our experiments reveal that, in an indoor vehicular network Li-Wi is highly efficient in minimizing (Thod) to 0.03 and 0.06 s for horizontal and vertical handovers, respectively.

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Elnaz Alizadeh Jarchlo
Elizabeth Eso
Hossein Doroud
Bernhard Siessegger
Zabih Ghassemlooy
Giuseppe Caire
Falko Dressler

BibTeX reference

    author = {Alizadeh Jarchlo, Elnaz and Eso, Elizabeth and Doroud, Hossein and Siessegger, Bernhard and Ghassemlooy, Zabih and Caire, Giuseppe and Dressler, Falko},
    doi = {10.1016/j.adhoc.2021.102705},
    title = {{Li-Wi: An Upper Layer Hybrid VLC-WiFi Network Handover Solution}},
    pages = {102705},
    journal = {Elsevier Ad Hoc Networks},
    issn = {1570-8705},
    publisher = {Elsevier},
    month = {1},
    volume = {124},
    year = {2022},

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