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LiFi Vs WiFi Light Fidelity Vs Wireless Fidelity

LiFi Vs WiFi Light Fidelity Vs Wireless FidelityAditya ParmarElectrical Engineer Charotar University Of Science &

Working Operation LiFi transmits data using light with the help of LED bulbs.WiFi transmits data using radio waves with the help of WiFi router.

Components Of the SystemLifi Uses Lamp driver, LED bulb and photo detectorWifi Uses Wifi router and subscribing stations.

Causes Of InterferenceLifi System do not have any intereference issues similar to that of radio frequency waves.Wifi will have intereference issues from nearby access points routers.

Technology UsedIn Lifi IrDA compliant devices are used.In Wifi WLAN 802.11a/b/g/n/ac/ad standard compliant devices are used.

Privacy In LiFi, light is blocked by the walls and hence will provide more secure data transferIn WiFi, RF signal can not be blocked by the walls and hence need to employ techniques to achieve secure data transfer.

Data transfer speedLifi can have data transfer speed up to 1 Gbps.Where, In Wifi WLAN-11n offers 150Mbps of data transfer speed.

Frequency of operationLife Uses 10 thousand times frequency spectrum of the radio.Wifi has 2.4GHz, 4.9GHz and 5GHz of frequency of operation.

Coverage distanceThe coverage of about 10 meters can be covered in Lifi system.Whereas in wifi system about 32 meters can be covered(WLAN 802.11b/11g) and it also vary based on transmit power and antenna type.

Density Of DataLifi can work in high dense environment.Wifi works in less dense environment due to interference related issues.

ApplicationsLifi used in airlines, undersea explorations, operation theaters in the hospitals, office and home premises for data transfer and internet browsing.Used for internet browsing with the help of wifi kiosks or wifi hotspots.

Thank you

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