AT&T Offers Update on 5G Commercial Tests, Still Wants to Be First in US
AT&T provided a broad update Tuesday on its 5G commercial trials. “It’s no coincidence that AT&T is aiming to be the first U.S. carrier to launch standards-based, mobile 5G services to customers this year,” said Melissa Arnoldi, president-technology and operations,…
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in a blog post reporting the early results. “We’ve been ‘practicing’ for this moment for almost 2 years. And unlike some of our competitors, we plan to offer a 5G-capable device to customers this year, too. After all, what’s the use of a highway without an on-ramp?” In Waco, Texas, AT&T provided 5G service to a retail location more than 150 meters away from a cellsite, using high-frequency spectrum, and had wireless speeds of about “1.2 Gbps in a 400 MHz channel,” the carrier said. In Kalamazoo, Michigan, AT&T said, it studied the impacts on 5G millimeter-wave signal performance from rain, snow and other weather. The company “learned mmWave signals can penetrate materials such as significant foliage, glass and even walls better than initially anticipated,” the carrier said. It “observed more than 1 Gbps speeds under line of sight conditions up to 900 feet.” In South Bend, Indiana, the carrier said, it studied “a full end-to-end 5G network architecture, including the 5G radio system and core, demonstrating extremely low latency.”