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Tuesday, May 21, 2013
NVIDIA Demos Its Cat 4 LTE-Advanced Modem AT CTIA


NVIDIA's mobile processor for mainstream smartphones - Tegra 4i, which includes an integrated NVIDIA i500 LTE modem, chewed through 150Mbps of LTE data in a demo this week at CTIA 2013 in Las Vegas.

First shown at Mobile World Congress in February at Cat 3 100mbps, this Tegra 4i demo is fully based on a software update.

Because the modem is designed with general purpose Deep Execution Processors (DXP), it?s 40 percent the size of a conventional LTE modem.



Tegra 4i's modem is also multi-mode. It delivers 4G LTE Advanced and is backward compatible so it can offer LTE Cat 3, 3G, and 2G. That means it will work even where LTE networks aren?t available. Nvidia plans to offer more LTE Advanced features soon in software.

The CTIA demo used a tester which emulates an LTE Cat 4 network because live local LTE Cat 4 networks don't exist yet. In this demo Phoenix - the Tegra 4i reference smartphone - is connected to the tester and shows 150 Mbps.

Nvidia also demonstrated Phoenix running on a live AT&T LTE network - showing video streaming over LTE and voice calls.


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