LiFi Kya Hai Aur Kaam Kaise Karta Hai

LiFi Kya Hai

    Friends, aap WiFi ke bare me to jante hoga, per apko pata hai ki LiFi Kya hota hai. Yah ek aisi Techonology hai jo Humari aaj ki Lifestyle Change kar sakti hai. Aap apni daily life me Internet, Browsing, Facebook, Whatsapp, etc ko chalate hai aur isse Access karne ke liye apko chahiye Internet Connection. Downloading  ya Uploading ki baat ho to jyada important hota hai High Speed Internet Connection. Aap generally Internet access karne ke liye Wifi ya Mobile Browser ka use karte hai, agar baat Net Speed ki kare to app Wifi ko hi prefer karenge but aisa nhi hai, ab Internet World me ek aisi Techonology aane wali hai  jo WiFi ki tulana me kai guna fast hai. To chaliye iske bare me vistar se apko batate hai ki LiFi kya hota hai.

LiFi Kya Hai

LiFi ka pura naam Light Fidelity hai. Yah ek High Speed Optical Wireless Connection hota hai. Iss Technology me Visible Lights (Surya se niklne vali roshni) ka use Digital Transmission me karte hai. Aap jante honge ki yah Technology WiFi se relate karti hai, vaise to LiFi aur WiFi me difference bahut adhik hai lekin relation ye hai ki dono hi Wireless tarike se Information ko share karte hai.

WiFi Radio Waves se Data Transmission karta hai lekin LiFi Visible Light Communication ka use karta hai.

LiFi Kaam Kaise Karta Hai

Normally LiFi bhi sabhi Internet Devices ki hi tarah kam karta hai. Chaliye mai apko batata hun ki ye kaise kam karta hai aur isme kaun kaun se Components ka use kiya gaya hai.

Mukhya roop se 3 Components hote hai.

1. Lamp Driver
2. LED Lamp
3. Photo Dectector 

                  

In sabke saath me hum ek Component aur chahiye aur vo hai Internet. Maine apko already bata diya hai ki ye Lights ke madhyam se Data Transmission karta hai.

LED Bulb me DATA Light ki Speed se Transmit hote hai. Isme Light intensity teji se badhati rahti hai. Isme Lights Automatic On-Off hote rehte hai.

Human Eye iss prakriya ko nhi dekh sakte hai, but Photo Detector ye sab Ditect kar leta hai. Isko Deeply samajhne ke liye Apko LED samajhna jaroori hai.

History of LiFi (Light Fidelity)

LiFi Taknik ki khoj 2011 me University of Edinborgh (Scotland) me Mobile Communication ke Professor Harrald Hass ne ki thi, jo iss Technology ke Founder hai. Iss Techonology ke Co-Founder Harald Hass Pure hai. Inhi ke sonch se aaj hum LiFi Technology ko Future me use kar sakte hai. Harrald Hass ne ek Conference TechTalk me LiFi ki Speed 5 GB/second bataya hai.

Professor Harrald Hass ke anusar yadi hum kisi bhi Information ko Visible Portion ke madhyam se send kare to usse Visible Light Communication (VLC) kaha jata hai.

Apko batana chahunga ki April 204 me ek Russian Company  “Stins Coman” ne ek Wireless Network ko Develop kiya hai jiska naam tha BeamCaster, lekin isme Data Speed approximate 1.25 GB/second hai.

LiFi VS WiFi

Feature	LiFi	WiFi
Full Form	Light Fidelity	Wireless Fidelity
Operation	LiFi me Data Transmission ka madhyam Light hai.	Iska madhyam Radio Wave hai.
Devices	LED Bulb	Wireless Router
Interference	No problem of Interference	Interference Problem with Routers.
Advantage	Weak Interference. Work on Local Area. Work on Salty Water	Strong Interference. Does not work on Salty Water
Privacy	Light Transmission secure because of Wall	Network open
Data Transfer Speed	1 Gbps	150 Mbps +
Frequency of Operation	Radio Waves Frequency se 10 Guna adhik	2.4GHz 4.9GHz and 5GHz
Coverage Distance	10 Meter	32 Meter (Depends on Poser Transmission)
Components	Lamp Driver LED Photo Detector LED Bulb	Wireless Router

LiFi Ka Advantage (Profit) Kya Hai

Availability:

Apko pata hai ki yah Technology Visible Light Technology par adharit hai. Aap jante hai ki apke Office aur Home per already LED ka ek achha source hai, jinki madad se Data Transmission kar sakate hain. LED Bulb ko On karna must hai. Iss Technology me roshni ka sabse jyada use hai, Simple way me kahen to jahan roshni hai vahan aap LiFi Technology ka use kar sakte hai. Aap apne hisab se LED ki roshni ko kam kar sakte hai.

  Secure:

Iss Technology me apka server akdum Secure rehta hai. Jaise ki aap jante hai ki Light diwar ke par nhi ja sakti ussi tarah se apka Signal bhi Room ke dusri taraph nhi ja sakata hai aur Signal na jane ke karan apka LiFi Secure rehata hai. Aur Bahar ka koi bhi user apke Internet ko Access nhi kar sakata hai.

 LiFi Ka Disadvantage (Loss) Kya Hai

  1.  Bina Light Source ke aap Internet access nahi kar   sakte   hai, har bar apko Light on karne ki jaroorat hai.

  2.  Yah ek Roshni hone ke karan Diwar ko bhed nahi sakti, issliye Internet Limited Location per uplabdh hota hai.

  3.  Ek Kamre ke ander hi iska use kar sakte hai. Issme Range Limited hai.

  4.  Sunlight ki vajah se Internet Speed me rukavut aa sakti hai.

  5.  Har naye LiFi Connection ke liye apko alag se network banana padata hai.

  6.  Yas kafi Mahangi Technology hai.

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