Introduction - If you have any usage issues, please Google them yourself
Based on the basic architecture of large-scale MIMO, channel modeling, system performance analysis and channel state information are discussed Information acquisition technology, multi-user upstream and downstream wireless transmission technology and other key technologies of large-scale MIMO transmission;Think that using Multi-user multi-input multi-output (MIMO) transmission of large-scale antenna arrays will significantly improve the performance of wireless communication systems Spectral efficiency and power efficiency.