5G (5th generation mobile networks or 5th generation wireless systems) denotes the next major phase of mobile telecommunications standards beyond the current 4G/IMT-Advanced standards. 5G has speeds beyond what the current 4G can offer.
The Next Generation Mobile Networks Alliance defines the following requirements for 5G networks:
Data rates of several tens of megabits per second should be supported for tens of thousands of users
1 gigabit per second to be offered simultaneously to many workers on the same office floor
Several hundreds of thousands of simultaneous connections to be supported for massive sensor deployments
Spectral efficiency should be significantly enhanced compared to 4G
Coverage should be improved
Signalling efficiency should be enhanced
Latency should be reduced significantly compared to LTE
The Next Generation Mobile Networks Alliance feels that 5G should be rolled out by 2020 to meet business and consumer demands. In addition to providing simply faster speeds, they predict that 5G networks also will need to meet the needs of new use cases, such as the Internet of Things as well as broadcast-like services and lifeline communication in times of natural disaster.
Although updated standards that define capabilities beyond those defined in the current 4G standards are under consideration, those new capabilities are still being grouped under the current ITU-T 4G standards.
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