Hyperheuristic‐based analysis and optimization of a mobile indoor visible light communication system

Abstract

In this paper, we study a mobile indoor visible light communication system that can be used for the creation of the indoor network infrastructure for sending information besides serving its main purpose of illumination. It uses visible light communication technology where the light‐emitting diodes (LEDs) are deployed on the ceiling of the room and the receiver is kept mobile at a certain height from the ground level. This paper focuses on the optimal deployment of the LEDs with an objective to achieve the requisite level of communication performance without any transmission error while maintaining ubiquitous receiver mobility. The hyperheuristic evolutionary algorithm (HypEA) has been implemented to analyze and optimize the energy consumption through optimal placement of LEDs under variation of semiangle values. Furthermore, the implemented optimization algorithm investigates the other system related parameters including average outage area ratio, signal‐to‐noise ratio, and root mean square delay for a given threshold average bit error ratio. Finally, The obtained results are illustrated through numerical plots, which reveal that the HypEA is efficient in optimizing the system to minimize the overall power consumption under maximum receiver mobility.

Physical deployment of enhanced visible light communication system using forward error correction codes

“…VLC technology is considered as a green data technology that delivers higher data rates. Moreover, license‐free, unregulated and far greater spectrum than that of RF, no side effects on human skin and eyes, security as light signals cannot penetrate via solid objects, power efficiency, high signal‐to‐noise ratio (SNR), and low‐cost optoelectronic components are also pondered as prospective advantages of the VLC system . Considering the aforesaid advantages, the VLC technology is currently well matched to assist the heterogeneous network (Het‐Net) in 5G networks.…”

“…Moreover, license-free, unregulated and far greater spectrum than that of RF, no side effects on human skin and eyes, security as light signals cannot penetrate via solid objects, power efficiency, high signal-to-noise ratio (SNR), and low-cost optoelectronic components are also pondered as prospective advantages of the VLC system. [6][7][8][9] Considering the aforesaid advantages, the VLC technology is currently well matched to assist the heterogeneous network (Het-Net) in 5G networks. Despite several inherent advantages of VLC, there also exist different design challenges such as (a) nonnegative modulated signal, 10 (b) low modulation bandwidth of LED, 11,12 (c) interference resulting from other light sources and multipath fading, 13,14 and (d) short-range communication.…”