Sprint is rebranding its LTE 4G network in an effort to call attention to the technology involved in making the network tick. Sprint LTE Plus replaces the Sprint Spark name for the company's tri-band LTE network, which uses 800MHz, 1.9GHz, and 2.5GHz. Sprint has focused on optimizing the performance of cell sites, as well as on improving the underlying network tech by taking advantage of carrier aggregation and beamforming. Carrier aggregation is the binding of two or more channels to act as one to increase capacity. Beamforming involves focusing wireless signals, particularly in the 2.5GHz band, in order to better reach handsets. Sprint claims these techniques have doubled network capacity and speeds (peaks greater than 100Mbps), increased the range of 2.5GHz spectrum, and improved reliability across all three spectrum bands. Right now, Sprint says 77 markets have access to these network improvements. More importantly, 13 of Sprint's devices, including the iPhone 6s, Galaxy S6, and One A9, support the new wireless technologies. Sprint said it plans to expand Sprint LTE Plus to more markets and more devices over time. The company will also continue to improve its network technology, and is looking to use 3-, 4-, and 5-channel carrier aggregation, advanced beamforming, and higher order MIMO down the road.


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