LiFi advantages and disadvantages

LiFi stands for Light fidelity, it is a type of wireless communication technology that uses infrared light, the visible light spectrum, or ultraviolet radiation to transmit the data. Here this page covers almost the all advantages or benefits and also some disadvantages or drawbacks of LiFi technology.

Advantages of LiFi technology:

  • LiFi is easy to install.
  • The data transfer rate for internet applications is higher.
  • It uses the optical spectrum, and hence avoids crowded RF spectrum.
  • The LiFi technology devices consume low power for operation and hence used in IoT applications.
  • There is a great amount of energy reduction in the lighting industry which uses LiFi based devices.
  • It provides a high amount of security as data communication in line of sight Moreover LiFi signal cover low region does not pass through the walls. This will avoid unwanted access to the LiFi signal by unauthorized persons.
  • It mostly powered by LEDs so it is cost-efficient
  • The transmission of data is fast and easy.
  • The speed of LiFi is very high, and we can watch the video without buffering.
  • Risk-free LiFi utilized light wave which is harmless.
  • As it operates on the optical band which is not harmful like the RF spectrum. Hence there are no health concerns in LiFi based system.
  • It's main advantages its bandwidth 10000 times than the radio waves.
  • LiFi could be used in certain places sensitive to electromagnetic areas, such as airplanes or hospitals causing interference.
  • LiFi technology would be quite cheap to implement. It would be enough to incorporate a modulator to the light and to include the necessary receiver in the devices.
  • It would not always necessary for the lights to be on at a level perceptible by the human being. Their intensity could be reduced so that they could continue to operate in a non-visible way.
  • LiFi is more secure because light cannot pass through the solid and opaque structures. LiFi internet is only available to the users within a room and cannot be breached by users in other rooms or buildings.

Disadvantages of LiFi technology:

  • The presence of light is essential.
  • There should be a line of sight.
  • It doesn't work in a dim area.
  • The Internet can be used only where the light of the source device is available. One can not watch games and videos on the internet in the dark during the night before sleeping on the bed.
  • Though the installation is a very simple LiFi system require while new infrastructure, This will add the cost of people or companies wanting to take LiFi internet service.
  • Work better with fluorescent light and LEDs but very low efficiency with bulbs.
  • It can not be used in an outdoor environment like RF signal. This is because of interference caused by sunlight and other optical sources present today. Moreover, it can be interpreted by the unwanted people if used outdoors,
  • It is lowe power, in order to available for LiFi internet services, light needs to be kept On throughout day and night. As internet is need of the hour, this will waste energy more than any other internet system.
  • Because it uses visible light, and light cannot penetrate walls. The signal range is limited by physical barriers while in more, secure this is limited range can be a bit annoying.
  • Light beam does not have long-range. However, as in the case of overcoming obstacles, sensors could help increase distances.
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