The future of LTE is paved with a much wider road. Qualcomm just unveiled a 1Gbps X16 LTE radio modem. Right now, only South Korean, Australian or Swedish networks are capable of these "LTE Advanced Pro" speeds, but eventually the standard will reach other countries too. In fact, both Sprint and Verizon already have pilot programs in testing fro these higher 1Gbps wireless speeds.
Despite the work being done, this X16 LTE modem is unlikely to show up in a Qualcomm Snapdragon product until we see the 830 chipset showing up in devices next year. We will be sure to share it with you guys when it shows up in US bound devices.