Hybrid visible light communication power optimisation in indoor environment
by F. Choong; Tan Ching Han; Yandan Lin
International Journal of Sensor Networks (IJSNET), Vol. 38, No. 1, 2022

Abstract: Traditional way of handling more traffic is by having higher cell density, higher spectral efficiency and carrier aggregation. Many network optimisations have been put in place to overcome this high growth in data traffic demand. However, the network electricity consumption also increases tremendously. Hybrid visible light communication (HVLC) rides on solid-state light emitting diode lighting infrastructure with higher energy efficiency. HVLC has the advantages of high data rates, higher bandwidth, un-licence requirement, lower cost and more energy efficient. This paper focuses on recent breakthrough and advancement in HVLC especially for indoor applications. Two indoor lighting topologies were proposed to determine their power optimisation performances. The power optimisation through linear programming methods were used to simulate and compare the performance of square and ring topology design. The square topology showed better performance as compared to ring topology. Also, the number of users vs. received power and channel assignment's performance is also better for square topology. The findings demonstrated the feasibility of HVLC for indoor application.

Online publication date: Thu, 13-Jan-2022

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