WiFi was used to link a select few devices, such as laptops, desktop computers, and cellphones, to the internet. But as technology use increases daily, most electronic devices are connected to the internet via WiFi, this indicates that shortly we may run out of radio frequency spectrum as a result of overusing it. As a result, LiFi is a new wireless technology that we need to keep up with our growing internet requirements.
Both LiFi and WiFi are wireless data transmission technologies, although despite their similarities, they differ significantly in that WiFi uses radio waves while LiFi uses light.
We will go through every aspect of these two networks in this article and identify their differences. So let’s get started:
Wireless high-speed internet and network connections are made possible by the wireless networking technology known as WiFi. We can communicate information between two or more devices by using this technology. It is based on a collection of standards that enable fast, secure communication between many different types of digital gear, access points, and devices. It enables WiFi-capable devices to connect to the internet without using physical connections.
A WiFi network may transmit data at a frequency range between 2.4 GHz and 5 GHz and was created by NCR corporation/AT&T in the Netherlands in 1991. Numerous programs and gadgets, such as gaming consoles, home networks, PDAs, mobile phones, popular operating systems, and other consumer goods, support WiFi.
Today’s society cannot avoid using WiFi technology because the majority of electronic devices rely on it to connect to the internet.
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Light-emitting diodes (LEDs) are used in wireless optical networking technology called LiFi to transmit data. Li-Fi can transport data at fast rates throughout the visible, ultraviolet, and infrared spectrums since it is a Visible Light Communications (VLC) technology. As a result, it has a photo-detector for capturing light signals and a signal processing component for turning the information into “streamable” material.
Li-Fi is made to work with LED light bulbs, which are already common in many homes and workplaces. To put it another way, your Li-Fi bulb effectively serves as your router. Professor Harald Haas of the University of Edinburgh first used the term “Li-Fi” in a 2011 TED Talk. Haas envisioned wireless router-capable light bulbs. After doing extensive study, Prof. Haas was able to develop PureLiFi in 2012 with the goal of dominating the field of visible light communication technology.
The technology is comparable to WiFi in terms of its intended function, although WiFi transmits data via radio frequency. Li-Fi is able to work securely in locations that would ordinarily be vulnerable to electromagnetic interference, such as airline cabins, hospitals, and military barracks, since it uses light to transport data. Other benefits include a higher bandwidth channel.
Being able to enjoy high-speed, high-efficiency wireless connection while employing overhead illumination makes Li-Fi a genuinely exciting piece of technology. It offers a number of important qualities, including security, high data rate capacity, and effective lighting, among others. These essential characteristics have led to the identification of several use cases, or applications. These consist of:
Li-Fi is widely used in a variety of settings, including hospitals, universities, airlines, and more. It may be applied in settings like hospitals where it is challenging to install optical fiber. Operationally, theater LiFi is compatible with current medical equipment. LiFi may be used at traffic lights to connect with the automobiles’ LED lights and reduce the frequency of accidents. To convey data, thousands of millions of street lighting may be converted to LiFi lamps. LiFi can be used for data transfer in airplanes. In chemical or petroleum factories where other transmissions or frequencies would be hazardous, it can be used.
Such developments offer a potential speed of 100 Gbps, which translates to the ability to download an entire high definition movie in only three seconds.
|Definition||Wireless Fidelity is referred to as WiFi.||Light Fidelity is referred to as LiFi.|
|Invented||In 1991, NCR Corporation created WiFi.||Prof. Harald Haas first used LiFi in 2011.|
|Operation||Via a WiFi router, WiFi transfers data using radio waves.||LiFi uses LED lights to transfer data as light signals.|
|Device Compatibility||Devices that comply with WLAN 802.11/b/g/n/ac/d standards.||Devices IrDA compatible.|
|Speed of Data Transfer||WiFi can transport data at speeds of up to 2 Gbps.||The average LiFi transmission speed is 1 Gbps.|
|Frequency||2.4Ghz, 4.9Ghz and 5Ghz.||10,000 times the range of radio frequencies.|
|Coverage||The range of WiFi is up to 32 meters.||The range of LiFi is around 10 meters.|
|Components||Access points, modems, and routers.||LED driver, photo detector, and LED bulb.|
|Applications||Used when accessing a WiFi hotspot to browse the internet.||Utilized in airplanes and underwater research.|
Best Wi-Fi Range Extenders of 2022We will go through every aspect of LiFi and WiFi in this article and identify their differences that are listed here.
Two types of wireless technology have been covered in this article. One is Li-Fi, which uses light waves to convey data that is encoded in the light beam. It is a wireless optical data communication and networking technology.
On the other hand, Wi-Fi is a widely used wireless networking technology that connects numerous devices to the internet and transmits data using radiofrequency waves.
LiFi technology is based on the Visible Light Communication (VLC) system, which consists of two parts: LED light bulbs that act as light signal transmitters and photodiodes that act as data receivers. In contrast, WiFi networking relies on RadioFrequency technology, which consists of three parts: antenna, routers, and radio waves. They are entirely dissimilar from one another.
LiFi technologies are utilized for a variety of tasks, including internet surfing and data transmission, in schools, hospitals, businesses, pharmacies, and the pharmaceutical industry. While WiFi technology is often used for accessing the internet or, less frequently, for locating devices through WiFi hotspots.
In comparison to WiFi network-based data transmission, LiFi technology allows for localized, secure, and substantially faster data transmission.
Even with all these benefits, the Li-Fi network will not be able to completely replace the WiFi network in the future since nothing in the world is flawless.