Abstract
In the world of 20 billion connected devices, the data centers are just a drop in the ocean for the total energy consumption compared to the wireless access that is required for them. In the past years, it never became possible to obtain unprecedented bandwidth, to keep our data safe and repurpose the energy that we use for illumination to provide wireless communication, but now in the modern era, Light Fidelity (Li-Fi) can offer these things and much more. LiFi points towards high-speed, bi-directional, and networked wireless communications with the assistance of light. It offers users an almost similar experience as traditional wireless communications except using the light spectrum. With LiFi, a world connected by light has become an unbelievable reality. The design and functionality of the previous models are targeted to provide wireless communication but, to prove better quality results, an entire system is checked, and a new model is put forward. In this research study, the entire system is examined and tested on different values with various transmitting angles, data rates, distances, frequencies, the responsivity of PIN diodes to ensure the accuracy and best possible results are achieved. Testing of numerous ambient sources and modulation schemes aided in the success of this advanced technology. Different filters, transmitted pulses, modulation schemes, and angles are also changed and analyzed to study the behavior of LiFi thoroughly, which helped to attain a high-quality factor (Q-factor). The objectives of decline in Bit error rate (BER), increase in data rate, and quality signal are successfully achieved in the conclusion of this model. The research article is not only optimized but also has advanced features which mainly helped in gaining maximum results and goals behind this project.
Highlights
Internet rules our life without any dubiety, and according to a survey performed by optimum research online, WiFi is the first and foremost thing that the people are replying to their questionnaires and could not live without internet
LiFi harnesses the Visible light communication (VLC) power for data transmission instead of Radio frequency (RF) waves used by WiFi [10]
A LOS channel based on the Lambertian source model is placed next to the Light-emitting diode (LED), where the optical wireless signals are transmitted applied with Non-Return to Zero (NRZ) modulation format
Summary
Internet rules our life without any dubiety, and according to a survey performed by optimum research online, WiFi is the first and foremost thing that the people are replying to their questionnaires and could not live without internet. One of the most efficient technologies of OWC is LiFi because it is popular nowadays for indoor connectivity. This wireless optical communication technology uses a Light-emitting diode (LED) to send data and information. LiFi harnesses the Visible light communication (VLC) power for data transmission instead of RF waves used by WiFi [10]. By the end of the experimental, the proposed model helped achieve higher quality, an increase in distance and transmission rate, and a decrease in error rate, making it an efficient and advanced design for LiFi technology.
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