In this digital era, where tasks are feasible through online activities, such as business trading, administration, and government affairs, there is a growing demand for high-speed networks. The digital transformation and the rise of various digital applications and platforms, like superapps, have resulted in a rapid increase in the number of users going online. As a result, internet connection has become crucial, and over the years, it has evolved to provide better feedback to users. This evolution has seen the progression from traditional internet connections to Wi-Fi and, more recently, the development of Li-Fi (Light-Fidelity).
Going back, Li-Fi was first introduced in 2011 by a German physicist named Harald Hass in a TED (Technology, Entertainment, Design) Global talk on Visible Light Communication (VLC). At its core, Li-Fi is an innovative wireless communication technology that uses light waves to transmit data. In the simplest explanation, Li-Fi can be viewed as Wi-Fi, but instead of using radio waves, it utilizes visible through light-emitting diodes (LEDs) to transmit data.
When the internet was brought to light, little did its inventor, Tim Berners-Lee, know that it would become essential to our daily lives. From 3G to 4G, 5G, and now the emerging 6G, the progression of these transmission technologies reflects one thing: the increasing demand for high-speed internet. Today, people heavily depend on the internet, and the number of dependencies continues to grow. Factors such as the Internet of Things (IoT), the convergence of information technology and operational technology (IT-OT), cloud migration, and digital platforms contribute to this expanding reliance on the internet.
As more individuals and devices connect to the internet, the existing infrastructure often struggles to keep up with the demand. This leads to congestion and slower connections, frustrating users who rely on the internet for various activities and services.
Li-Fi emerges as a promising solution to address these challenges. By using visible light in the electromagnetic spectrum between 400 THz and 800 THz as the optical carrier for data transmission and illumination, Li-Fi has the potential to enhance data transmission capabilities and provide faster and more reliable internet connections. With Li-Fi, data can be transmitted at incredibly high speeds, reaching gigabit levels that are significantly faster than traditional Wi-Fi. This technological advancement has the potential to revolutionize industries such as smart homes, autonomous vehicles, industrial automation, and healthcare. In addition, one notable advantage of Li-Fi is its inherent security. As light cannot penetrate opaque structures, Li-Fi offers a safer way for data transmission, making it a more secure option compared to traditional wireless communication methods.
Overall, the demand for high-speed internet continues to grow in our increasingly digital world. As traditional internet infrastructure faces challenges to meet this demand, Li-Fi emerges as an innovative solution. Through the use of visible light for data transmission, Li-Fi can provide faster speeds, enhanced security, and revolutionize various industries and applications. With its potential to transform connectivity, Li-Fi is set to shape the future of data transmission and internet connectivity in the digital era.
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