![]() This also included the integration of acquired CDMA-based networks from MetroPCS and eventually Sprint.Ĭurrent T-Mobile US executive Ulf Ewaldsson is set to replace Ray. Ray oversaw T-Mobile US’ GSM-based transition path from 2G (GSM/GPRS), to 3G (UMTS/HSPA), to 4G (LTE), and on to its current 5G-based network. VoiceStream – and fellow regional operator Powertel – were soon acquired by German telecom giant Deutsche Telekom and plugged in under its worldwide T-Mobile operating brand. Ray joined T-Mobile US in 2000, when the carrier operated under the VoiceStream Wireless banner. The departure will cap a significant 23-year role for Ray in leading that carrier’s extensive technology journey. Of course, T-Mobile US’ next network evolution will not be of direct concern to Ray who is set to leave the carrier later this year. But going forward, we’ll see where we go.” T-Mobile US 5G Oversight O-RAN timing didn’t align with what we did. I’m very pragmatic about what we do and how we do it. companies in the space, which I think is very healthy. “I think we all know that will reduce over time. “We’re trying to understand, make sure the various issues that we’ve seen, and we’ve seen starting to mature through O-RAN, are getting resolved. Ray is cognizant of that work and said T-Mobile US was “engaged” with the open RAN ecosystem. ![]() “Together with Nokia, Mavenir and other ecosystem partners, we will use our collaboration as the springboard to accelerate open RAN development and create a path to deployment at scale.” “Open RAN has matured over the last months in both stability and performance, which has given us the confidence for an initial commercial deployment,” DT Group CTO Abdu Mudesir, noted in a statement on the deal. The white paper highlighted open RAN advances in meeting challenges tied to maturity, security, and energy efficiency.ĭT during the event announced deals with Nokia, Fujitsu, and Mavenir for initial commercial open RAN deployments across the carrier’s European footprint. “I think DT is actually doing some good work and the vendor community is large and diverse,” Ray said.ĭT ahead of the MWC Barcelona 2023 event teamed with a handful of other large European-based operators in releasing a white paper touting the progress and ongoing challenges of their combined efforts in driving the open RAN ecosystem. Ray did note that parent company Deutsche Telekom (DT) has been a big proponent of open RAN, which could help T-Mobile US down the road as it investigates its options. The carrier later bolstered that move with the deep 2.5 GHz spectrum it gained access to when it purchased Sprint. T-Mobile US’ 5G deployment was initially spurred by the 600 MHz spectrum assets it acquired in a government auction in early 2017. But there isn’t a deployment thing that T-Mobile US is doing now.” We believe that the ecosystem will be stronger with open RAN. “But clearly, we’re evaluating continually open RAN opportunities. “We’ve made massive investments into single RAN in our network environment, and it’s not like we’re repeating that soon,” Ray said. However, Ray did preface his comments by stating, “I think the ecosystem’s maturing.” Those vendors have lagged the broader ecosystem in commercializing open RAN equipment. Those RAN decisions involved five-year contracts signed in early 2021 with Ericsson and Nokia to supply 5G RAN equipment for T-Mobile US’ $40 billion network upgrade. ![]() “The pace and scale that we were moving on, features and capabilities we needed, the ecosystem just was not ready. “For us, we didn’t go down on open RAN path when we made our big vendor decisions three years ago,” Ray said. He explained that the technology lacked maturity when the carrier kicked off its expansive network upgrade program. Neville Ray, president of technology at T-Mobile US, explained during a one-on-one interview at the MWC Barcelona 2023 event that the carrier’s lack of open RAN depth is due to timing. ![]() BARCELONA, Spain – T-Mobile US has been aggressive in rolling out new technology to support its rapidly expanding 5G network, but has so far not dipped its commercial toe into the open radio access network (RAN) space.
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