Companies including Unitree Robotics, AgiBot and UBTECH used the “Light of Internet” Expo to show how far robots have come — and how close they may be to becoming part of everyday life.
But the expo was not only about spectacle. Many of the machines on display were being developed for tasks beyond the exhibition hall.
Evan Kail, an American content creator visiting the expo, paused in front of Unitree Robotics’ GD01, a robot designed for emergency-response scenarios.
Kail said the machine captured the pace of China’s progress in robotics. A few years ago, he said, Unitree robots were widely known for dancing in televised gala performances. Now, machines such as the GD01 pointed to more practical roles, including disaster response and search-and-rescue operations.
“The leaps of technology in China are very impressive,” Kail said. “As climate change gets worse and worse, robots like this can make a difference if they are used to save lives.”
The shift from eye-catching demonstrations to practical deployment was a recurring theme across the expo. But for robots to work reliably in crowded streets, disaster zones or industrial sites, the machine itself is only part of the equation. It also needs a network capable of carrying huge amounts of data, responding almost instantly and supporting AI decisions close to where they are needed.
At China Mobile’s booth, a display highlighted one example: traffic-management robots deployed in Hangzhou, the eastern Chinese city that hosted the 2023 Asian Games.
Earlier this year, during a peak holiday travel period, Hangzhou deployed 15 robots at major intersections in tourist areas and downtown districts. Part of the Hangzhou Police Smart Mobility program, they can answer questions, guide pedestrians and vehicles, and warn people about traffic violations.
The deployment illustrates how connectivity is becoming central to the usefulness of intelligent machines. The current system uses 5G and 5G-Advanced connections and typically supports one camera on each robot. Future versions are expected to carry as many as six cameras and operate more independently within defined areas.
That will require latency below 10 milliseconds, uplink speeds above 100 Mbps and positioning accurate to within centimeters — demands that are helping shape the development of 6G.
The next generation of mobile technology is still years from commercial deployment. But its ambitions extend beyond faster download speeds. Industry plans for 6G include combining communications with sensing, edge computing and satellite connectivity.
“With 6G, networks will effectively gain radar-like eyes — the ability to sense and understand their surroundings — while AI will give them a brain,” said Liang Zeshuai, a network optimization engineer at China Mobile Zhejiang.
In this vision, a base station would do more than transmit data. Equipped with radar-like sensing capabilities, it could detect a nearby drone, identify obstacles around a blind corner or provide an autonomous machine with a more detailed understanding of its surroundings. Edge computing, meanwhile, would allow AI tasks to be processed closer to the user, rather than sending every request to a distant data center.
That could matter especially in the kinds of situations Kail had in mind: complex and dangerous environments where time, connectivity and situational awareness can make a difference.
Satellite connectivity could provide another layer of resilience when typhoons, earthquakes or other disasters damage ground-based infrastructure. China Mobile has launched a direct-to-handset service using the Tiantong and BeiDou satellite systems.
For now, 5G-Advanced — a network that goes beyond 5G in speed and performance — has already been widely rolled out across China. In Wuzhen, a 5G-Advanced “super uplink” network with upload speeds of up to 1,000 Mbps covered the conference venue for the first time. Robot dogs used the network to patrol the area, transmitting 4K video and location data in real time.
The same combination of connectivity, computing and AI is moving into industries where the gains may be less visible than a dancing robot, but potentially more consequential.
China Mobile and Sinopharm, China’s state-owned pharmaceutical and healthcare conglomerate, for example, have developed an AI-enabled cold-chain logistics platform that has reduced delivery costs by 65% and cut delivery times by 70%. The system is designed to help manage the transport of temperature-sensitive products, where delays or poor monitoring can lead to waste.
At Ningbo-Zhoushan Port, China Mobile has built what it describes as the world’s largest 5G private network for port operations. Such networks can support real-time coordination among cranes, vehicles, cameras and control systems across a vast, fast-moving industrial site.
The company is also applying AI and connected systems to public safety and emergency management, including flood-control planning and drone inspections of buildings. The aim is not only to respond faster after an emergency, but to identify risks before they become crises.
At Wuzhen, the robots remained the most visible attraction. They made coffee, danced for visitors and posed for cameras. Yet the more consequential story was happening behind them — in the networks, computing systems and satellite links that could determine how quickly AI moves from a trade-show novelty into a tool for cities, industries and, potentially, lifesaving work.
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