Hybrid LiFi and WiFi Networks: A Survey
Xiping Wu, Mohammad Dehghani Soltani, Lai Zhou, Majid Safari and, Harald Haas

TL;DR
This survey reviews hybrid LiFi and WiFi networks, highlighting their architecture, performance metrics, challenges, and potential applications in indoor positioning and security.
Contribution
Provides a comprehensive overview of HLWNets, including design frameworks, recent advancements, and future research directions in integrating LiFi and WiFi technologies.
Findings
High data rates achievable with LiFi integration
Challenges in interference management and handover
Potential for enhanced indoor positioning and security
Abstract
To tackle the rapidly growing number of mobile devices and their expanding demands for Internet services, network convergence is envisaged to integrate different technology domains. A recently proposed and promising approach to indoor wireless communications is integrating light fidelity (LiFi) and wireless fidelity (WiFi), namely a hybrid LiFi and WiFi network (HLWNet). This type of network combines the high-speed data transmission of LiFi and the ubiquitous coverage of WiFi. In this paper, we present a survey-style introduction to HLWNets, starting with a framework including the network structure, cell deployment, multiple access schemes, modulation techniques, illumination requirements and backhauling. Then, key performance metrics and recent achievements are reviewed. Further, the unique challenges faced by HLWNets are elaborated in many research directions, including user behavior…
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Taxonomy
TopicsOptical Wireless Communication Technologies · Millimeter-Wave Propagation and Modeling · IoT Networks and Protocols
