Why in the news? 

Recently U.S. based company Qualcomm suggested that India should adopt the newest Wi-Fi 7 technology. 

Wi_ Fi :  Wi _ Fi Srvices have been introduced for providing high speed Internet   access  at convenient public locations  such as like Airports, Railway stations, Universities and their campus etc. 

About Wi-Fi 7

 Wi-Fi, Wireless Fidelity, is a wireless technology that allows devices to connect to the internet and communicate with each other.  It uses radio waves to provide high-speed wireless internet and network connections.  For transmitting Wi-Fi signal there needs three medium, such as Base station, Router and Accessing devices (like Phone, Laptop, etc.)
 Wi-Fi 7 is the next-generation Wi-Fi standard to be launched, based on IEEE 802.11be — extremely high throughput (EHT).  Institute of Electrical and Electronics Engineers (IEEE) is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity. 

• Key Features of Wi-Fi 7: 

 Backward Compatibility: Connects with devices in 2.4GHz, 5GHz, and 6GHz bands without requiring new hardware.  It won’t be stuck to a single frequency but use a mix of available spectrum frequencies to provide a solution. 
 Lower Latency :  Enables faster cloud-based operations like file transfers and gaming. 
  Multi_ Link Operation  (MLO): Combines multiple channels on different frequencies for improved network performance. 

Speed and Capacity:  Wi-Fi 7 could theoretically support a bandwidth of up to 330 Gigabits per second per access point. Four times faster than the maximum speed of Wi-Fi 6. 

Benefits of Wi-Fi 7 

 Alignment with India's  Tech Adoption: Wi-Fi 7 enables India's rapid adoption of cloud-based and wireless applications and the government's digital initiatives regarding security and privacy. 

 Promising Developments in Indi: Digital transformation in the enterprise sector, fixed wireless connectivity, smartphone technology, and the potential of Artificial Intelligence (AI), especially Edge AI. 
   Addressing emerging  technologies demands: Wi-Fi 7 could support the growing number of Internet of Things (IoT) devices, includes smart home devices, wearables, and industrial IoT applications. 

 Medicinal Field : Tele-diagnostics and telesurgery. 

 Ehancing User Experiences in Advanced  Applications: Wi-Fi 7 can facilitate the streaming of higher-resolution content, such as 8K videos.   Also, could enhance performance in cloud gaming, AR/VR and other data-intensive activities.  

PM_ WANI Based Access Across 100 Railways  Stations Launched 

1.  RaikTel has launched   Prime  Minister  Wi_ Fi Access Network Interface ( PM_ WANI) scheme base access to its Public WI_ FI services across 100 railway stations  having 2,384 Fi_ Wi  hotspots in 22 states on May o, 2022.

2 .  To access this  Wi_ fi network, android  users can download the mobile  app ' Wi_ DOT' available   on Google play store. This app has been developed in close coordination  with C_ DOT.

3. PM  _ WANI _ based  access will facilitate  ease of use through  one_ times know Your Customer ( KYC) to avoid One Time  Password  ( OTP) based  authentication, every time one tries to use WANI based  Public WiFi.

4. PM _ WANI is an ambitious  program  of the Department  of  Telecom ( DoT) to connect all silo Wi_ Fi networks for ease of use and proliferate broadband usage for the masses. 


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