<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The overarching aim was to reduce the frequency of connection failures that occur due to the connection speed and reliability, and identify, characterise and optimise the key process input variables (KPIVs). An experimental research approach with an inbuilt planned manipulation to one or more variables in the experimental data set was adopted. Key elements of the Six-Sigma methodology were applied to resolve the issue of high failures due to connection speed and reliability between two Li-Fi transceivers. KPIVs were successfully identified, characterised and optimised to implement a permanent corrective action to ensure a reduction in connection failures from 17% to 0%. The alignment between two Li-Fi transceivers along with Li-Fi cut-out was found to be critical in achieving good connection speed and reliability. The interference due to ambient visible spectrum lighting found to be statistically insignificant. This study explored the application and benefits of accessible wireless data communication technologies. Moreover, it sheds light on the probable factors that may influence Li-Fi connection speed and areas for future research. The current research provides a Six-Sigma based solution to high connection failure rates while using an infrared-based Li-Fi transceiver. Results also offer insights into the analytical tools that were found to be effective during the problem-solving process.</p></abstract>

The overarching aim was to reduce the frequency of connection failures that occur due to the connection speed and reliability, and identify, characterise and optimise the key process input variables (KPIVs). An experimental research approach with an inbuilt planned manipulation to one or more variables in the experimental data set was adopted. Key elements of the Six-Sigma methodology were applied to resolve the issue of high failures due to connection speed and reliability between two Li-Fi transceivers. KPIVs were successfully identified, characterised and optimised to implement a permanent corrective action to ensure a reduction in connection failures from 17% to 0%. The alignment between two Li-Fi transceivers along with Li-Fi cut-out was found to be critical in achieving good connection speed and reliability. The interference due to ambient visible spectrum lighting found to be statistically insignificant. This study explored the application and benefits of accessible wireless data communication technologies. Moreover, it sheds light on the probable factors that may influence Li-Fi connection speed and areas for future research. The current research provides a Six-Sigma based solution to high connection failure rates while using an infrared-based Li-Fi transceiver. Results also offer insights into the analytical tools that were found to be effective during the problem-solving process.

Light Fidelity (Li-Fi) overview and investigation into connection speed

Engineering Management in Production and Services

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Light Fidelity (Li-Fi) overview and investigation into connection speed"}

The overarching aim was to reduce the frequency of connection failures that occur due to the connection speed and reliability, and identify, characterise and...

Key Parameters	Li-Fi (Light Fidelity)	Wi-Fi (Wireless Fidelity)	Ethernet
IEEE Standards	802.15.17	802.11b	802.3
Frequency	10 × Tera Hz	2.4 GHz	-NA-
Data Transmission Medium	Light	Radiofrequency	UTP - STP – OF
Speed	1 – 3.5 Gbps	25–250 Mbps	10–1000 Mbps
Range	10 meters	20–100 Meters	100 – 185 Meters
Security	High (direct line of sight required)	Medium (can penetrate through walls)	High (physical connection required)
Reliability	High	High	Very High
Release Date	2011	1990	1980
Connection	Wireless	Wireless	Wired
Cost	Cheapest	Most Expensive	Cheaper than Wi-Fi

Level	Beacon	Agv	Vibration	X Pos	Y Pos	Z Pos
1	6.634	6.088	6.632	6.243	6.437	5.951
2	6.642	7.190	6.646	7.329	6.553	7.378
3				6.344	6.927	6.587
Delta	0.008	1.102	0.014	1.087	0.490	1.426
Rank	6	2	5	3	4	1

Light Fidelity (Li-Fi) overview and investigation into connection speed

Publié en ligne: 07 mai 2021

Pages: 63 - 73

Reçu: 01 nov. 2020

Accepté: 28 févr. 2021

DOI: https://doi.org/10.2478/emj-2021-0005

Mots clés
Light Fidelity (Li-Fi), Six-Sigma, defect reduction, wireless communication

© 2021 Mithun Sharma et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

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Fig. 3

Fig. 4

Fig. 5

Fig. 6

Fig. 7

Comparative Summary of common data communication technologies

Model summary and coded co-efficient for Connection speed

Response table for mean connection speed (in mbps)

Model summary and coded co-efficient for the connection speed

Light Fidelity (Li-Fi) overview and investigation into connection speed

Publié en ligne: 07 mai 2021

Pages: 63 - 73

Reçu: 01 nov. 2020

Accepté: 28 févr. 2021

DOI: https://doi.org/10.2478/emj-2021-0005

Mots clésLight Fidelity (Li-Fi), Six-Sigma, defect reduction, wireless communication

© 2021 Mithun Sharma et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Fig. 7

Comparative Summary of common data communication technologies

Model summary and coded co-efficient for Connection speed

Response table for mean connection speed (in mbps)

Model summary and coded co-efficient for the connection speed

Mots clés
Light Fidelity (Li-Fi), Six-Sigma, defect reduction, wireless communication