T-Mobile and Sprint, as they race to meet speeds of up to 1Gbps via LTE. The second largest carrier gave its followers a look into their progress through a blog post they published. The post documents the carrier's walk towards 5G as well as showing off lab trials that they have already produced a speed of up to 14 Gbps over wireless. The carrier also shared that they were able to test a connection with latency lower than three milliseconds. If this is true, they have already beat the five-millisecond latency expected from 5G.
On its blog post, AT&T promised that as early as 2017, AT&T customers can already experience reaching peak theoretical speeds of up to 1 Gbps at some cell sites. The carrier promised that they will be continually strengthening their wireless network throughout the year by deploying small cells and using technologies such as carrier aggregation to help increase peak data speeds. AT&T shares that they are in the midst of deploying three-way carrier aggregation in select areas. This year, they still plan to introduce four-way carrier aggregation and LTE-License Assisted Access (LAA).
Just last week, Sprint and T-Mobile talked about how their plans for 5G. Sprint CTO John Saw said that they expect their carrier to get close to 1 Gbps class speed boundaries through 256 QAM, massive MIMO and three-channel carrier aggregation. Prior to this, T-Mobile CTO Neville Ray had talked to the public about how the carrier was conducting tests documenting a speed of 979 Mbps on its LTE network through 4x4 MIMO and 256 QAM on an unreleased headset.
As of this writing, the standards for 5G are still being developed. Needless to say, full-scale commercial deployments of the network is not yet expected to happen at least until 2019. So while they transition to this network, the major operators in the country are aggressive in maximizing speed and capacity of their existing LTE networks.
Source: Fierce Wireless