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Technological Milestone: Bridging URLLC Theory and Commercial Practice

In a major breakthrough for the “Tactile Internet,” NTT DOCOMO and Keio University’s Haptics Research Center announced on February 25, 2026, the successful demonstration of high-precision remote robot operation over a standard, commercial 5G Standalone (SA) network. This achievement represents a pivotal shift, moving ultra-reliable low-latency communication (URLLC) from controlled laboratory environments into the real-world infrastructure of public mobile networks.

The core innovation driving this success is the integration of “Configured Grant” technology—a low-latency network slicing feature—with Keio University’s proprietary “Real Haptics” technology. Real Haptics, developed by Professor Kohei Onishi, is a sophisticated system that bidirectionally transmits tactile and contact force information, effectively reproducing human force on a remote robot. While previous attempts at remote haptic control often suffered from jitter and latency spikes that led to unstable or jerky movements, this new demonstration proved that high-fidelity force feedback can be maintained even under heavy network traffic.

Specifically, the demonstration utilized DOCOMO’s commercial 5G SA network, connecting a local “operator robot” to a “remote robot” through a virtual server running on the Bilateral Edge Platform. To simulate realistic, congested network conditions, the researchers introduced 20 Mbps of background traffic during the experiment. Despite this interference, the results were remarkable: the accuracy of force-feedback reproduction increased by approximately 40%, and the smoothness of operation—measured by a reduction in “dimensionless jerk cost”—improved by roughly 59%.

This marks the world’s first demonstration of Configured Grant enabling practical, high-fidelity robot teleoperation on a commercial 5G slice. By allowing the network to pre-allocate radio resources for the robot’s control signals, the system drastically reduces the “wait time” for data transmission, ensuring that the sensation of touch is transmitted with millisecond precision. This technology is set to be a center-stage exhibit at MWC Barcelona 2026, held from March 2 to March 5, where it will showcase its potential for outdoor industrial operations.

Strategic Implications: The Birth of the “Internet of Skills”

The practical implementation of haptic teleoperation over commercial 5G signals a fundamental transformation in how we perceive remote labor and specialized expertise. It is no longer just about “seeing” through a camera; it is about “feeling” the resistance of a bolt, the texture of a biological tissue, or the weight of a heavy object from hundreds of miles away.

One of the most profound insights from this breakthrough is the democratization of physical expertise, often referred to as the “Internet of Skills.” Historically, specialized physical labor—such as complex industrial maintenance, disaster response, or specialized surgery—required the expert to be physically present at the site. With 5G-enabled haptics, the expert’s “skill” can be transmitted digitally. A specialist in Tokyo can maintain a power grid in a rural area or assist in a remote medical procedure with the same tactile confidence as if they were standing in the room. This effectively solves the “geographical barrier” to high-value labor, a critical need in aging societies or regions facing acute labor shortages.

Furthermore, the success of network slicing in this context validates a new revenue model for telecommunications providers. By offering a “guaranteed low-latency” slice specifically for critical robotics applications, telcos can transition from being mere commodity data pipes to being essential infrastructure providers for Industry 4.0. For industries such as manufacturing and energy utilities, this means they can deploy remote-controlled robots in hazardous environments—such as nuclear decommissioning sites or offshore wind farms—without the prohibitive cost of laying dedicated fiber-optic lines. The commercial 5G network itself becomes the safe, reliable, and invisible link between the operator and the machine.

From a safety and reliability perspective, the 59% improvement in motion smoothness is not just a technical statistic; it is a safety requirement. In delicate operations like telesurgery or the handling of hazardous materials, jerky or unpredictable movements can be catastrophic. The fact that commercial 5G can now provide the “determinism” (predictability of timing) required for such tasks is a signal to regulators and insurance companies that remote haptic technology is ready for prime time.

Lastly, this development accelerates the convergence of AI and Robotics. Every hour of haptic teleoperation performed by a human operator generates high-quality, multimodal data—vision, motion, and touch. This data is the “gold” required to train future Physical AI models. By making remote operation stable and scalable over 5G, NTT DOCOMO and Keio have inadvertently created a massive data pipeline that will allow autonomous robots to learn complex tactile tasks faster than ever before. We are witnessing the final bridge being built between the digital mind of AI and the physical hands of robotics, powered by the invisible threads of 5G.