Fifth-Generation wireless network or 5G is the latest iteration of cellular technology, Designed to greatly increase the speed and responsiveness of wireless networks.
5G has the potential to transform the internet and it will be the backbone of other technologies like Self-Driving Cars, Virtual Reality, Internet of things (IoT).
Many countries are actively working to develop 5G from 2012 and the plan is to provide 5G services by 2020.
5G will be implemented on millimeter waves that is the frequencies between 30 to 300 gigahertz to transmit data over the network, these frequencies have never been used for mobile devices so opening this up will help accommodate more devices
Using Millimeter waves will improve network speed, reduce latency and avoid network congestion but the challenge with Millimeter wave is it can be blocked by buildings tree or in case of bad weather you will not get the network on your phone to overcome this 5G wireless signals will be transmitted via large numbers of small cell stations located in places like light poles or building roofs.
5G is primarily built using 5 technologies
• Millimeter Waves: 5G will be using higher frequencies (30 to 300 GHz) and these frequencies are called millimeter waves
• Small Cell: Since Range of Millimeter waves is less we need to place more call antenna on street hights, building roofs.
• Massive MIMO (Multiple inputs multiple outputs): This Technology helps in reducing network interference.
• Beamforming: Define a clear path how network packets should travel from source to destination.
• Full Duplex: More than one person can talk at a time, that is send and receive happens on different frequencies so that there is no interference.
More technologies can be added to implement 5G
Comparision between 4G and 5G
WHY DO WE NEED 5G?
5G will act as a backbone for many other technologies like IoT(Internet of things), Self Driving Cars,Virtual Reality.
This can help self-driving cars, the quicker these cars get information and the faster the command response time it will be better for our security and using 5G cars can drive themselves better than a trained driver. currently with 4G as well we have self-driving cars but there is a speed limit to it, if the speed goes above 60km/hr then there will be an alert from the car asking to take control.
5G will help us with IoT (Internet of things) it will connect more devices in a faster way.
Online gaming which needs faster responses 5g will be handly and make the experience real and exciting.
During huge events where a lot of people are using the internet at once, 5gb can provide exceptional surfing experience to all users.
It would require a lot of infrastructure building and will be very expensive but companies like Nokia, Huweai, A&T, ZTE have already working on 5G from last 5 years and it should be available by 2020.
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