Home » UPSC Current Affairs – 04-04-2019

UPSC Current Affairs – 04-04-2019

In News:

  • South Korea will become the first country to commercially launch fifth-generation (5G) services as it rolls out the
    latest wireless technology with Samsung Electronics’ new 5G-enabled smart phone Galaxy S10.

About 5G

  •  5G is the fifth generation mobile network.
  •  It’s a unified platform which is much more capable than previous mobile services with more capacity, lower latency, faster
    data delivery rate and better utilisation of spectrum.
  •  The standards for the usage of 5G are defined and driven by 3rd Generation Partnership Project (3GPP).
    Timeline: Evolution from 1G to 5G
  •  1G: Launched in the 1980s. Analog radio signals and supported only voice calls.
  •  2G: Launched in the 1990s. Uses digital radio signals and supported both voice and data transmission with a BandWidth(BW)
    of 64 Kbps.
  •  3G: Launched in the 2000s. With a speed of 1 Mbps to 2 Mbps it has the ability to transmit telephone signal including
    digitised voice, video calls and conferencing.
  •  4G: With a peak speed of 100 Mbps-1 Gbps it also enables 3D virtual reality.
  •  5G: with a speed of more than 1Gbps,it is capable of connecting entire world without limits.

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