While T-Mobile’s 5G standalone core was novel insofar as it was an industry first, the achievement was made quickly because the operator delegated specific functions and capabilities to the same mix of vendors that provision and supply its 4G LTE network core.AT&T Radiant Core model U304AA info copied from a Google search.Ī: AT&T Radiant Core U304AA Prepaid Cell 4G Phone - Gray - Carrier Locked to AT&T Wireless. The operators’ lag behind T-Mobile could be due, in part, to a reshuffling of vendors but that won’t be clear until vendors are identified.
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“Like anything else in 5G, this is a journey,” he said, adding that the complete ecosystem - chipsets, devices, RAN equipment, and software - is required to support a standalone core that scales.Įlbaz declined to name the vendors involved in AT&T’s 5G core, much as Verizon declined to name its 5G core vendors when it announced the results of a test in July.
“Our experience and journey in software-defined networking is what allows us to move fast and already deploy those capabilities in our non-standalone evolution, and we will carry the same capabilities when we continue to migrate into a standalone core,” Elbaz said.
AT&T’s non-standalone 5G network is “already fully virtualized, it’s already running on hardware, it’s already supporting architecture, the separation of the control and the user plane,” and that allows it to distribute the core on edge infrastructure, he said. While AT&T is still working toward that goal, Elbaz claimed the operator is already benefiting from some of those technical underpinnings.
“We are moving into a disaggregated and open architecture, which will allow us to introduce additional players in the ecosystem and drive for innovation.” Why Standalone 5G MattersĪ standalone core also, most importantly, allows operators to introduce agility to their development cycles by iterating on software in much the same way IT professionals do today on other networks, Elbaz explained. “We’re now talking about a cloud-native architecture” and accelerated introductions of software, Elbaz said. 5G is a transformational technology precisely because of the new architecture and features it introduces to mobile networks - spanning from the core to the radio access network (RAN) and the edge of the network, he said. “All of those capabilities really manifest themselves in the standalone core,” Elbaz said.
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By removing 5G service from a 4G LTE anchor, a standalone 5G core unlocks a series of important features, including network slicing, better spectrum optimization, a wider coverage radius, reductions in latency, and heightened speed and reliability. Moreover, Verizon CEO Hans Vestberg last week committed to a nationwide 5G footprint prior to the launch of a 5G-capable iPhone, which is expected to be unveiled next month.Įach operator is taking a different path to 5G, but the features that operators are banking on with a standalone 5G core is universal among all operators.
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Verizon hasn’t accomplished either feat yet, but it previously said network traffic will start hitting its standalone 5G core before the end of the year, with full commercialization slated to occur in 2021. AT&T was also seven months behind T-Mobile in delivering a “nationwide” 5G network in non-standalone mode. That timeline puts AT&T roughly 10 months behind T-Mobile US, which activated the world’s first standalone 5G network in late 2019. “We’re going to start deploying later this year and we’re definitely going to scale standalone in June 2021,” Igal Elbaz, SVP of wireless technology at AT&T, said at this week’s Big 5G Event. AT&T is in the process of testing and developing its standalone 5G core and anticipates an early wave of deployment to get underway before the end of the year.
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