Conference paper Open Access

Exploiting EDCA for Feedback Channels in Hybrid VLC/WiFi Architectures

Trung Ngo, Kien; Mangione, Stefano; Tinnirello, Ilenia

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  <identifier identifierType="DOI">10.5281/zenodo.5090694</identifier>
      <creatorName>Trung Ngo, Kien</creatorName>
      <familyName>Trung Ngo</familyName>
      <affiliation>Universita degli Studi di Palermo</affiliation>
      <creatorName>Mangione, Stefano</creatorName>
      <affiliation>Universita degli Studi di Palermo</affiliation>
      <creatorName>Tinnirello, Ilenia</creatorName>
      <affiliation>Universita degli Studi di Palermo</affiliation>
    <title>Exploiting EDCA for Feedback Channels in Hybrid VLC/WiFi Architectures</title>
    <date dateType="Issued">2021-07-11</date>
  <resourceType resourceTypeGeneral="ConferencePaper"/>
    <alternateIdentifier alternateIdentifierType="url"></alternateIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.5090693</relatedIdentifier>
    <rights rightsURI="">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
    <description descriptionType="Abstract">&lt;p&gt;In this paper, we consider integrating VLC and WiFi technologies in a scenario in which Light-Emitting-Diodes (LEDs), acting as network access points (APs) for ultra-dense Internet of Things applications, are deployed into an indoor lighting infrastructure. In such a scenario, RF-links can be exploited for complementing VLC-links in dealing with mobility and bidirectional communications, which can be problematic due to the limited coverage areas and self-generated interference of VLC APs. In particular, we consider the possibility of supporting a technology-based duplexing scheme, in which downlink and uplink transmissions are performed by means, respectively, of VLC and WiFi interfaces integrated into the same node.&lt;/p&gt;

In order to fully exploit the VLC bandwidth in the presence of background WiFi traffic and multiple coexisting VLC links, we discuss the importance of adopting a prioritization mechanism based on EDCA, as well as frame aggregation, for the uplink channel of the integrated architecture. Our considerations are corroborated by numerical results based on NS-3 simulations and a real simple experiment.&lt;/p&gt;</description>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/100010661</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/814215/">814215</awardNumber>
      <awardTitle>European Training Network in Low-energy Visible Light IoT Systems</awardTitle>
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