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LG Uplus on lookout for automated seaports with 5G tech

09:00 May 02, 2021

By Chae Yun-hwan

BUSAN, May 2 (Yonhap) -- A towering shipyard crane nimbly moves over stacks of cargo crates at a terminal in Busan Port, South Korea's largest seaport 453 kilometers southeast of Seoul, to snatch a container box and gently load it onto a truck.

While the scene is business as usual for the bustling port that processed over 410 million tons of cargo last year, the crane is unusual in that its driver's seat -- 25 meters off the ground -- is empty.

The over 20-year-old industrial machine runs in semi-autonomous mode, controlled remotely by an operator in an office a five-minute drive away.

An automated yard crane, equipped with sensors and 5G network infrastructure, picks up a cargo container at Busan Port, 453 kilometers southeast of Seoul, on April 30, 2021. (Yonhap)

The spreader, or the claw, of the crane is retrofitted with six laser sensors and four cameras connected to telecom operator LG Uplus Corp.'s ultrafast 5G network infrastructure, which locates cargo containers on its own and seamlessly picks them up at the operator's remote command.

The latest generation network reduces latency to extremely low levels in live video feeds -- 104 milliseconds compared with 660 milliseconds on 4G LTE -- so that operators can monitor the crane's operations in real time and control the crane in more complex situations with a video game console-like joystick.

The company expects the technology to reduce safety risks that crane operators face high above the ground while working eight-hour shifts.

"Generally, automated cranes still need to be manually operated by humans, about 20 to 30 percent of its workload," Suh Jae-yong, vice president of LG Uplus' smart infrastructure business unit, said. "That will allow one operator to operate and oversee four cranes at once."

Since 2019, LG Uplus has so far spent 4 billion won (US$3.6 million) to develop two semi-autonomous cranes still undergoing testing. It aims to commercialize the cranes sometime this year and expand the technology to other shipyards across the country, including at the southern port city of Gwangyang, 423 kilometers south of Seoul.

A crane operator monitors the automated machine at an office in Busan Port, 453 kilometers southeast of Seoul, on April 29, 2021. (Yonhap)

But the crane is just a part of a bigger pitch by LG Uplus: automating the entire seaport infrastructure with 5G technology.

The telecom operator aims to roll out container-carrying self-driving trucks, unmanned forklifts and drones that monitor the port's cargo, all powered by 5G.

The move comes as South Korean telecom operators seek to fully utilize the high speeds and low latency of 5G networks through business and industrial applications.

LG Uplus's bigger rival KT Corp. has partnered with local hospitals to install 5G infrastructure and develop remote diagnoses and offer real-time video feeds of surgeries.

Last year, the country's top mobile carrier, SK Telecom Co., partnered with top food delivery operator Woowa Brothers Corp. to develop an autonomous robot delivery service, which makes use of 5G's ultralow latency.

But 5G business solutions, including LG Uplus' remote-controlled cranes, still remain in the development stage, lacking the latest technology.

The telecom operator's cranes are set up with 5G equipment based on the 3.5 gigahertz (GHz) band, compared with the 28GHz band that unlocks the network's fastest speeds, which can theoretically be up to 20 times faster than 4G LTE.

A shipyard crane, equipped with 5G infrastructure, at a container terminal in Busan Port, 453 kilometers southeast of Seoul, is shown in this photo provided by LG Uplus Corp. on April 30, 2021. (PHOTO NOT FOR SALE) (Yonhap)

yunhwanchae@yna.co.kr
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