"With the exponential growth in indoor wireless communication, the necessity for novel technologies to manage the escalating data traffic becomes increasingly paramount. This chapter delves into the potential of hybrid systems as a viable solution to surmount the prevailing limitations in wireless communication. Initially, it provides a comprehensive overview of existing communication mediums, encompassing wireless communication RF communication, optical communication, and Visible Light Communication (VLC). Subsequently, the discussion pivots towards the intricacies and obstacles within VLC, exploring potential solutions to these challenges. Emphasizing the pivotal role of hybrid systems in optimizing indoor wireless communication networks, this chapter elucidates the constructive collaboration between various communication technologies to meet the evolving demands of modern communication infrastructures."--