Channel modeling for NLoS visible light networks with integrated sensing and communication

• Pinpin Zhang, Jiacheng Wu, Zixian Wei, Yimao Sun, Rui Deng, and Yanbing Yang
• received 01/30/2024; accepted 04/24/2024; posted 04/24/2024; Doc. ID 520129
• Abstract: Inspired by the advanced integrated sensing and communication (ISAC), in this Letter, we explore the non-line-of-sight (NLoS) optical channels formed by reflections from the ground or objects to establish an integrated channel model for simultaneous communication and sensing. The integrated channel model can, on the one hand, perceive the changes in the surrounding environment in time; on the other hand, determine whether these changes positively or negatively affect the quality of communication simultaneously. To validate the effectiveness of the proposed model, from the sensing perspective, we analyze the impact of various floor materials and objects on the integrated channel; from the communication perspective, we characterize the influence of perceived environmental changes on communication performance by calculating throughput. Simulation results confirm the capability of the derived model, which can support the design and deployment of visible light-based ISAC networks.