Mobile networks and smartphones have been developing rapidly over the past few years, and people’s lives increasingly rely on mobile internet.
The reason behind this phenomenon lies in the ability of mobile phones to quickly transmit data anytime, anywhere.
This technology can greatly improve the data transmission capabilities of mobile phones by reusing spectrum.
LTE user throughput has been significantly improved over the past few years by aggregating several carriers.
However, limited spectrum resources must be shared by the UEs.
When there are too many UEs, each one is able to obtain only a small portion of those limited resources.