A tour of AT&T's Foundry special R&D place included a test of its upcoming LTE network. Engineers have tried to mimic real-world scenarios in the Foundry, instead of showing theoretical speeds, and the trial got 28.8Mbps downloads, and 10.4Mbps on the upload side.
The engineers explained that AT&T is using MIMO antenna setups, and its LTE network is getting build to operate in two spectrum ranges - the 700MHz which it got from the FCC auction, and the AWS one it had, to which it will add a lot more with the purchase of T-Mobile.
The demo setup wasn't even using any carrier aggregation, that is, adding your spectrum to someone else's on the physical layer to create the required bandwidth, and improve services, like a roaming agreement for LTE transmission.
AT&T's LTE network is expected to start rolling out this summer to select markets, and there might even already be some devices getting produced to run on it, like the rumored 10" Dell Streak Pro tablet.
Daniel, a devoted tech writer at PhoneArena from 2010 to 2025, has been engrossed in mobile technology since the Windows Mobile era. His expertise spans mobile hardware, software, and carrier networks, and he's keenly interested in the future of digital health, car connectivity, and 5G. Beyond his professional pursuits, Daniel finds balance in travel, reading, and exploring new tech innovations, while contemplating the ethical and privacy implications of our digital future.
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