en.Wedoany.com Reported - During the 152nd Kentucky Derby held last weekend, T-Mobile US partnered with NBC Sports to deploy its 5G On Demand solution. Utilizing its millimeter wave (mmWave) network and eight iPhone 17 Pro devices, the solution captured and transmitted real-time reactions of horse owners, trainers, and jockeys' families in the stands during key race moments. This marks the first time T-Mobile has applied NR-DC (New Radio Dual Connectivity) technology at scale for a major live sporting event broadcast.
Dave Bezzina, Senior Vice President of Innovation and Partnerships at T-Mobile, stated in an official release that the value of the 5G On Demand solution lies in providing a purely wireless camera backhaul method for sports broadcasting. In traditional live event coverage, camera operators cannot run around dragging cables, whereas deploying a 5G network slice only requires a backpack-sized device, is brand-agnostic, does not rely on dedicated lines, and requires no on-site technical configuration. This demonstration shows that the 5G network itself can become a form of infrastructure—connecting not only users' phones but also professional camera equipment, transmitting high-definition video back to the broadcast truck with low latency.
NR-DC is the core technology behind this demonstration. By aggregating the high bandwidth of mmWave spectrum with the broad coverage of mid-band spectrum, NR-DC allows a single device to simultaneously utilize two independent 5G links for data transmission, significantly boosting uplink speeds and connection reliability. T-Mobile's mmWave deployment primarily targets high-density venues such as stadiums, arenas, large concert halls, and airports, offering high-bandwidth, low-latency connectivity in the 24GHz to 39GHz bands, with peak rates exceeding 1Gbps. Previously, this technology was first adapted for Android devices, and Apple added NR-DC support for the iPhone 17 Pro in the latest iOS version. This enabled the broadcast team to use multiple iPhone 17 Pro units simultaneously as wireless camera nodes, each independently connecting to a mmWave link. Combined with T-Mobile's 5G network slicing solution, this achieved multi-camera, low-latency high-definition video backhaul.
T-Mobile has previously deployed its 5G On Demand solution at several major US sporting events, including the Formula 1 Miami Grand Prix and the NCAA Men's Final Four. Starting in 2025, the company has been deploying 5G Advanced network upgrades in NFL stadiums, investing approximately $2 million per venue to support multi-camera wireless backhaul and real-time data services. Currently, T-Mobile is collaborating with the University of Texas and the U.S. Department of Defense to develop 5G network slicing applications, while simultaneously advancing private network solutions for sectors like retail, logistics, and healthcare.
The industry trend reflected in the commercial deployment of 5G network slicing is that operators are shifting from merely providing consumer data services to offering customizable network infrastructure for enterprise clients. Technologies like 5G On Demand and NR-DC mmWave aggregation signify a substantial evolution of 5G networks from consumer-grade mobile broadband to industrial-grade reliable connectivity. When tens of thousands of spectators in a stadium are simultaneously using the mobile network, the bandwidth and low-latency guarantees required by the broadcast team no longer necessitate laying dedicated fiber optics. Instead, software-defined network slicing achieves virtual private network-level service quality over public 5G infrastructure.
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