WiFi (wireless fidelity) and LiFi (light fidelity) both are two different technologies which are used to send and receive data wirelessly. In case of Wi-Fi we use Routers and Radio Frequency (RF) waves to transmit data, whereas in Li-Fi we use LED bulbs and Light signals to transmit and receive data.
- The Bandwidth Expansion of Wi-Fi technology is limited and exceptional for Li-Fi
- The Speed of the Wi-Fi is150 Mbps and >10 Gbps for Li-Fi
- The Data Density of Wi-Fi technology is low and high for Li-Fi
- The Range of Wi-Fi is medium and low for Li-Fi
- The Security of Wi-Fi is medium and excellent for Li-Fi
- The power availability of Wi-Fi is low and high for Li-Fi
- The ecological impact of Wi-Fi is medium and low for Li-Fi
- The cost of the Wi-Fi is medium and low for Li-Fi
- The network topologies of Li-Fi and Wi-Fi technologies is a point to point
Advantages and Disadvantages of LiFi
Advantages of LiFi
- Speed-The speed of the Li-Fi is very high, and we can watch the videos without buffering.
- Security- The light of the Li-Fi doesn’t run through the partition, therefore, it is more protected and hacking is not possible.
- Risk-free-Li-Fi utilizes light waves which are harmless.
- Consistent- The data transfer is more protected.
Disadvantages of LiFi
- Apart from several benefits, the Li-Fi technology is facing several problems. It requires LOS (line of sight), as well as the receiver, would not be a move in inside.
- The main problem is how the receiver will send the data back to the transmitter section.
- Another disadvantage of this technology is an interference of exterior light sources such as normal bulbs; sunlight in the lane of communication will cause intermission in the transmission.
- It doesn’t work in the dim areas.
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