T-Mobile Debuts 4×4 MIMO, 256 QAM to Double Speed

T-Mobile today announced two significant updates to its network: first, it has launching 4×4 MIMO, and second, it has increased its network footprint. The 4×4 MIMO (multiple-in, multiple-out) technology falls under the LTE-Advanced category. It doubles the number of channels between cell towers and cell phones, which improves capacity and speed. T-Mobile has deployed 4×4 […]