Superfast "fifth generation 5G" mobile internet could be launched as early as next year in some countries, promising download speeds 10 to 20 times faster than we have now.
So let's learn and understand about the 5G Internet.
What is 5G?
It's the next - fifth-generation of mobile internet connectivity promising much faster data download and upload speeds, wider coverage and more stable connections.
5G performance targets high data rate, reduced latency, energy saving, cost reduction, higher system capacity, and massive device connectivity. The first phase of 5G specifications in Release-15 will be completed by April 2019 to accommodate the early commercial deployment. The second phase in Release-16 is due to be completed by April 2020 for submission to the International Telecommunication Union (ITU) as a candidate of IMT-2020 technology.
It's all about making better use of the radio spectrum and enabling far more devices to access the mobile internet at the same time.
What it will do for Us?
Currently whatever we are doing to the current 4G network after launching the 5G network all these things can be faster and better.
Think of smart glasses featuring augmented reality, mobile virtual reality, much higher quality video, the internet of things making cities smarter. and all these things can be operates and mange by 5G network very efficiently and fast.
How Does it works?
There are a number of new technologies likely to be applied - but standards haven't been hammered out yet for all 5G protocols. Higher-frequency bands - 3.5GHz (gigahertz) to 26GHz and beyond - have a lot of capacity but their shorter wavelengths mean their range is lower - they're more easily blocked by physical objects.
So we may see clusters of smaller phone masts closer to the ground transmitting so-called "millimetre waves" between much higher numbers of transmitters and receivers. This will enable higher density of usage. But it's expensive and telecoms companies are not wholly committed yet.
How it is different from 4G
5G will offer much higher bandwidth and capacity than 4G services. 5G not only unlocks more wireless frequencies to use between 5G NR (new radio) and mmWave (millimeter wave), it’s also designed to makes better use of what’s available between potentially many thousands of users in urban environments.
5G can offer a much lower latency than 4G. Ultra-low latency is desirable to consumers who expect a real-time response (video calling, streaming, etc), however 5G can even support some scenarios where an immediate response is not just preferred but mission critical: such as medical applications.
5G is a brand new technology, but you might not notice vastly higher speeds at first because 5G is likely to be used by network operators initially as a way to boost capacity on existing 4G (LTE - Long-Term Evolution) networks, to ensure a more consistent service for customers. The speed you get will depend on which spectrum band the operator runs the 5G technology on and how much your carrier has invested in new masts and transmitters.
Why we need 5G?
The world is going mobile and we're consuming more data every year, particularly as the popularity of video and music streaming increases. Existing spectrum bands are becoming congested, leading to breakdowns in service, particularly when lots of people in the same area are trying to access online mobile services at the same time. 5G is much better at handling thousands of devices simultaneously, from mobiles to equipment sensors, video cameras to smart street lights.
Will it work in rural Areas?
Lack of signal and low data speeds in rural areas is a common complaint in the India and many other countries. But 5G won't necessarily address this issue as it will operate on high-frequency bands - to start with at least - that have a lot of capacity but cover shorter distances. 5G will primarily be an urban service for densely populated areas.
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