5G

Aug. 2, 2018

Telecom Regulatory Authority of India (TRAI) has recommended the auction of spectrum for offering 5G services for the first time in the country.

About:

  • 5G is the 5th generation mobile network.

  • It will take much larger role than previous mobile network generations (1G, 2G, 3G, and 4G)
    • 1G delivered analog voice.

    • 2G introduced digital voice (e.g., CDMA).

    • 3G brought mobile data (e.g., CDMA2000).

    • 4G LTE ushered in the era of mobile Internet.



5G vs 4G:

  • Supports new services: While 4G LTE focused on delivering much faster only, 5G also support new services such as mission-critical communications and Internet of Things (IoT).

  • 5G uses spectrum better than 4G: 5G will also get the most out of every bit of spectrum — from low bands below 1 GHz to high bands known as millimetre-wave.

  • 5G is faster than 4G: 5G will be delivering up to 20 Gigabits-per-second peak data rates and 100+ Megabits-per-second average data rates.

  • 5G has more capacity than 4G: 5G will support a 100x increase in traffic capacity and network efficiency.



  • 5G has lower latency than 4G: 5G has the potential to deliver more instantaneous, real-time access: a 10x decrease in end-to-end latency down to 1ms.

Working:

  • Like 4G LTE, 5G is also OFDM-based and will operate based on the same mobile networking principles.

  • However, the new 5G NR (New Radio) air interface will further enhance OFDM to deliver a much higher degree of flexibility and scalability.

Source : The Hindu

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