Visible light communications (VLC) have been pro- posed as a means of moving part of the indoor traffic to the optical spectrum. The deployment of LED lights for data transmission forming attocells in the cellular networks known as Light-Fidelity (LiFi) interacts with other radiofrequency (RF) based networks such as WiFi or femtocells. Since LED lights illuminate a small confined area and interfere with other LED lights, the hybrid network composed of the LiFi and RF systems can be employed for resource management allocating each user to a specific network. In this work, we consider the use of a novel inference management scheme for LiFi known as Blind Interference Alignment (BIA) that avoids both the multi-user and the intercell interference. However, BIA schemes are limited by noise increase due to interference subtraction and the channel coherence block requirement, which increase with the number of user served by the LiFi network. It is shown that the hybrid LiFi/RF network allow to relax the requirements for BIA implementation and increase the sum- rate of the whole network.


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    Title :

    The Role of WiFi in LiFi Hybrid Networks Based on Blind Interference Alignment




    Publication date :

    2018-06-01


    Size :

    947743 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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