AT&T Expands 5G Trials, Claims 10Gbps Speeds
AT&T today announced plans to extend its 5G testing to three more cities. AT&T will continue to test in Austin, Texas, and will also begin testing in Atlanta, Ga., Middletown, N.J., and San Ramon, Calif. AT&T says it recently reached a milestone in testing: it pushed speeds higher than 10Gbps with partner Ericsson. AT&T's tests are all being performed in labs, though the company says its labs are able to simulate real-world environments and scenarios. For example, AT&T can test how its 5G network might react at a sporting event, where a large number of customers might connect at the same time. Aside from speed, latency is an important aspect of 5G. AT&T says its early latency tests are promising, though it declined to share any numbers. Latency needs to be as close to zero as possible for situations such as self-driving cars, so they may react appropriately to unexpected changes in driving conditions. AT&T believes it will move to outdoor testing of fixed locations in Austin and Middletown by the end of the summer. The company hopes its progress will help it contribute to the international 5G standard, which has yet to be defined. Last, AT&T said it has added partner Nokia to the list of vendors helping it with 5G. Nokia is, specifically, researching millimeter wave spectrum use, beamforming, and higher levels of throughput.
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