LiFi Technology: LiFi claims to be 100 times faster than standard WiFi. But what exactly is this and how does it work?
LiFi is a wireless technology that is critical to addressing the challenges facing 5G. LiFi can transmit in multiple gigabits, is more reliable, virtually non-interference, and generally more secure than radio technology such as WiFi or cellular.
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LiFi has been used to resemble LED light bulbs currently used in many energy-conscious homes and offices. However, LiFi bulbs are designed with a chip that controls the light for optical data transmission. LiFi data is transmitted through LED bulbs and receives photoreceptors.
When an electric current is applied to an LED light bulb, light (photons) is emitted from the bulb.
LED bulbs are semiconductor devices, which can change the brightness of the light through them at a very high speed. This allows the signal to be sent by modifying the light at different rates.
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The signal is obtained by a detector that interprets changes in light intensity (data) as data.
Intensity modulation is invisible to the human eye, so communication is as seamless as other radio systems, allowing users to connect where there is a LiFi enabled light. Using this method, data can be transmitted from an LED light bulb at high speed.
LiFi has taken off his training wheels and continues to wander in the real world.
Scientists around the world are testing LiFi in office and industrial settings, often recording data transmission rates at 1GB per second - 100 times faster than current average WiFi speeds!
LiFi technology uses Visible Light Communication (VLC), which uses visible light between 400 and 800 terahertz (THz).
LEDs can be rated very fast. Researchers have proven data rates of 3.5 gigabytes (GB) per second using white light as a single blue LED or 1.7 gigabytes per second (GB). This new technology, theoretically, offers speeds of up to 224 GB per second.
It is so fast, it can transfer and download 18 movies in under a second!
Along with its increased speed, radio signals, the light technology behind the LiFi is affected by very little interference. This is because it has a much broader spectrum than radio waves.
Compare LiFi using the light seen from 400 to 800 terahertz (THz) to WiFi, which uses 5 GHz (GHz) of unlicensed radio spectrum and has a low supply.
LiFi operates in a spectrum 10,000 times larger than radio waves. This open, non-intermittent wavelength contributes to the greater efficiency of user traffic, which greatly affects the speed of transmission.
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LiFi covers about 10 meters, while WiFi covers 30 meters. Both offer almost the same data transfer rate. Let's understand the Li-Fi Internet and Wi-Fi Internet Network Architecture.
Efficiency: Li-Fi is more efficient in cost and power consumption. Because it uses LED bulbs for communication, these bulbs reduce the power consumption of the LiFi network and require no additional hardware to operate it, making it more efficient to double the lighting compared to current technologies. Uplift.
Availability: With the use of LED bulbs, LiFi can be made available with LiFi compatible bulbs instead of traditional LED bulbs.
Security: Because LiFi uses a visible light spectrum, it does not optionally enter through opaque objects such as walls, as opposed to the current WiFi that crosses the walls, which may jeopardize unauthorized access.
Technological advancement: To apply the current technology on a large scale, LiFi must be upgraded and used by the general public.
Cost Factor: Since the technology is new, a large amount of money is invested in its R&D, which is why LiFi is so expensive.
Uplink Problems: LiFi demonstrates a very high downlink speed. There is no mention of uplink and there is no clarity on how it will be implemented.
Interference: The use of visible light for transmission of a signal is likely to interfere with daily light, such as sunlight, regular home lighting, and so on.
Limited Range: The range of LiFi is limited by two main factors: the dispersion of light and the penetration of light into opaque objects (such as room walls).
WiFi use: The widespread use of WiFi is a major factor preventing the use of wifi. Limitations of LiFi Converting traditional WiFi networks is a difficult task.
I hope you did find it informative, thank you.
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| Li-Fi technology |
LiFi is a wireless technology that is critical to addressing the challenges facing 5G. LiFi can transmit in multiple gigabits, is more reliable, virtually non-interference, and generally more secure than radio technology such as WiFi or cellular.
Scroll down to know these:
- LiFi Full Form
- What is LiFi Technology?
- How Does LiFi Technology Works?
- Is LiFi Faster than WiFi?
- When will LiFi be available?
- LiFi vs WiFi
- Advantages of LiFi
- Disadvantages of LiFi
LiFi Full Form
The full form of LiFi is "Light Fidelity".
What is LiFi Technology?
LiFi is a wireless optical networking technology that uses light-emitting diodes (LEDs) for data transmission.LiFi has been used to resemble LED light bulbs currently used in many energy-conscious homes and offices. However, LiFi bulbs are designed with a chip that controls the light for optical data transmission. LiFi data is transmitted through LED bulbs and receives photoreceptors.
How Does LiFi Technology Works?
Mobile communication of data using High-Speed Bidirectional Network and Life Lite. LiFi has many light bulbs that make up a wireless network.When an electric current is applied to an LED light bulb, light (photons) is emitted from the bulb.
LED bulbs are semiconductor devices, which can change the brightness of the light through them at a very high speed. This allows the signal to be sent by modifying the light at different rates.
Must read What is Hybrid Sim Slot? Difference between Hybrid and Dual Sim Slot / Classification Of Computer (Different Types Of Computer)
The signal is obtained by a detector that interprets changes in light intensity (data) as data.
Intensity modulation is invisible to the human eye, so communication is as seamless as other radio systems, allowing users to connect where there is a LiFi enabled light. Using this method, data can be transmitted from an LED light bulb at high speed.
Is LiFi Faster than WiFi?
LiFi has taken off his training wheels and continues to wander in the real world.
Scientists around the world are testing LiFi in office and industrial settings, often recording data transmission rates at 1GB per second - 100 times faster than current average WiFi speeds!
LiFi technology uses Visible Light Communication (VLC), which uses visible light between 400 and 800 terahertz (THz).
LEDs can be rated very fast. Researchers have proven data rates of 3.5 gigabytes (GB) per second using white light as a single blue LED or 1.7 gigabytes per second (GB). This new technology, theoretically, offers speeds of up to 224 GB per second.
It is so fast, it can transfer and download 18 movies in under a second!
Along with its increased speed, radio signals, the light technology behind the LiFi is affected by very little interference. This is because it has a much broader spectrum than radio waves.
Compare LiFi using the light seen from 400 to 800 terahertz (THz) to WiFi, which uses 5 GHz (GHz) of unlicensed radio spectrum and has a low supply.
LiFi operates in a spectrum 10,000 times larger than radio waves. This open, non-intermittent wavelength contributes to the greater efficiency of user traffic, which greatly affects the speed of transmission.
When will LiFi be available?
Companies such as Intel, TI, Quintana, Cisco, and HPE provide standards for light communications based on the Wi-Fi standard IEEE 802.11. The Li-Fi standard is set to be released in 2021.LiFi vs WiFi
WiFi uses electromagnetic waves at the radio frequency ensembles for data transmission while using LiFi light for data transmission. Due to less interference by light than radiofrequency waves, it can be used in a more dense environment.Must read How GPU Works On a Smartphone? (CPU vs GPU) / 8 Pro Tips On How To Gain Followers On Instagram Without Following Anyone
LiFi covers about 10 meters, while WiFi covers 30 meters. Both offer almost the same data transfer rate. Let's understand the Li-Fi Internet and Wi-Fi Internet Network Architecture.
Advantages of Li-Fi
Speed: LiFi delivers 100 times faster than what is currently achieved on WiFi. Faster communication results in better service quality and better communication.Efficiency: Li-Fi is more efficient in cost and power consumption. Because it uses LED bulbs for communication, these bulbs reduce the power consumption of the LiFi network and require no additional hardware to operate it, making it more efficient to double the lighting compared to current technologies. Uplift.
Availability: With the use of LED bulbs, LiFi can be made available with LiFi compatible bulbs instead of traditional LED bulbs.
Security: Because LiFi uses a visible light spectrum, it does not optionally enter through opaque objects such as walls, as opposed to the current WiFi that crosses the walls, which may jeopardize unauthorized access.
Disadvantages of LiFi
Special Hardware Requirements: Special hardware is required for implementations that are currently not available on a large scale.Technological advancement: To apply the current technology on a large scale, LiFi must be upgraded and used by the general public.
Cost Factor: Since the technology is new, a large amount of money is invested in its R&D, which is why LiFi is so expensive.
Uplink Problems: LiFi demonstrates a very high downlink speed. There is no mention of uplink and there is no clarity on how it will be implemented.
Interference: The use of visible light for transmission of a signal is likely to interfere with daily light, such as sunlight, regular home lighting, and so on.
Limited Range: The range of LiFi is limited by two main factors: the dispersion of light and the penetration of light into opaque objects (such as room walls).
WiFi use: The widespread use of WiFi is a major factor preventing the use of wifi. Limitations of LiFi Converting traditional WiFi networks is a difficult task.
Final Words
A fast, safe and efficient solution to optimize our relationship with the world is Li-Fi Technology. Is this the beginning of the end of Wi-Fi? Please share your opinion in the comments.I hope you did find it informative, thank you.
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