Low-altitude economy takes off, seafood goes to sea! Recently, between Zhoushan and Shanghai, the world's first 100km 5G-A integrated low-altitude network coverage across the sea route has been achieved. This means that live seafood caught in Zhoushan in the morning, delivered directly by drone, can appear on the table of Shanghai people at noon.

On a huge fishing boat in the waters of Zhoushan, a super-large drone slowly took off from the ship, carrying 100 pounds of fresh sea fish with seawater, and flew quickly to the far sea. For A long time, seafood from Zhoushan Island generally takes 3 hours to be transported by cargo ship to Shanghai, but now because of the perfect 5G network sea coverage and the blessing of 5G-A technology, drone transportation of seafood has become a reality from a wish. Seafood caught from Zhoushan sea, after more than 100 kilometers of logistics routes, 1 hour to Shanghai, 2 hours to table.

It is understood that the UAV can achieve accurate flight of more than 100 kilometers across the sea, mainly based on China Mobile's use of multi-frequency coordination, low-altitude coverage optimization and other technical means to achieve 5G network coverage in the entire sea area of 300 meters low-altitude network. At the same time, China Mobile Zhejiang Company and Shanghai Company, China Mobile Research Institute and Chengdu Research Institute, together with Huawei, Shanghai East China UAV Base, Fengyi Company, Huan Fei Company and other industrial partners, took the lead in applying 5G-A integrated 128T commercial base station to low-altitude UAV seafood transport line. Innovative realization of 5G-A synaesthesia integrated technology for real-time sensing and monitoring of accurate data such as UAV height, position and trajectory dynamics. This is an important step to promote the development of low-altitude economic strategic emerging industries.

If the UAV wants to fly directly to Shanghai over the sea area of Zhoushan, it needs to achieve perfect communication network coverage in both offshore and offshore areas. How to achieve this?

China Mobile gives full play to the advantages of multi-frequency collaboration and carries out innovative network optimization for low-altitude scenarios, achieving full coverage of 5G network signals in coastal, offshore, and far-sea areas, providing a solid network guarantee for low-altitude fresh transport routes with a horizontal distance of 100 kilometers and a vertical height of 300 meters.

"We need to build 5G base stations on numerous uninhabited islands, but these islands are often very windy, there is no power supply, and the equipment at sea is easily corroded by the sea breeze." In the past, we used to carry equipment and generators to the island by hand, which was very difficult. But now, we have solved this problem through technological innovation, that is, to deploy 5G 'zero carbon base stations' of photovoltaic power generation on uninhabited islands, which can well solve the problem of island coverage, and meet the needs of maritime network communication such as sea travel vessels and 5G drones." Zhejiang Mobile Zhoushan branch staff said.

In March 2024, China Mobile announced that it was the first to realize 5G-A commercial use, announced the list of the first 100 5G-A network commercial cities, and announced plans to expand to more than 300 cities across the country within the year to build the world's largest 5G-A commercial network.

The global hundred-kilometer cross-sea route 5G-A low-altitude network coverage further demonstrates the huge potential of 5G-A technology in the field of low-altitude economy. Through the application of 5G-A carrier aggregation technology, China Mobile fully meets the needs of UAV navigation trajectory monitoring and data return, ensuring that long-distance navigation of drones at sea is possible.

Synaesthesia technology is one of the important innovations of 5G-A. While providing communication services, the 5G-A network can realize global and high-precision low-altitude perception, including real-time trajectory perception of the UAV, and real-time accurate data such as the altitude and position of the UAV back to the control center. The control center can adjust the flight path of the UAV in real time according to the received data to ensure that it avoids possible obstacles. It further ensures the safety of flight.

5G-A integrated base station relying on China Mobile network can achieve continuous networking, further expand the channel, sea scene, achieve all-weather monitoring, even in bad weather can ensure the safety of the channel.

"China Mobile has realized the first 5G-A integrated technology system in the world, and originally proposed and deployed key technologies such as' hybrid waveform OPIC new air port ', 'new hardware of double-layer phase shift super Angle', and 'new architecture of Master+Slave two-stage BBU'." Zhejiang Mobile staff said. It is reported that Zhejiang Mobile and Shanghai Mobile take the lead in applying 5G-A integrated 128T commercial base stations to low-altitude logistics route management and control, using the unique ≥60° large expansion Angle of the base station and ultra-large scale antenna array to achieve high-quality guarantee of communication and sensing performance.

How to ensure the safe and accurate flight of the UAV in the air and meet the comprehensive application of various functions of communication, guidance, monitoring, intelligence, calculation and security in the scenarios of network density, large traffic and multi-users? The Zhongxiang Lingyun low-altitude supervisory service operation platform built by China Mobile has played an important role.

It is reported that China Mobile and industry partners continue to build low-altitude intelligence networking, creating a global two-way reliable "pass", a global multi-dimensional "sense", intelligent non-inductive and efficient "tube", to provide high-quality infrastructure for low-altitude economy.

Relying on low-altitude smart networking, China Mobile further expands diversified low-altitude application scenarios such as island logistics distribution, maritime rescue and emergency response, and Marine environmental monitoring and protection, helping the country's low-altitude economy take off, building a low-altitude economic hub, and injecting new momentum into low-altitude development of new quality productivity.

5G-A will lead us into the 10-gigabit era, with a theoretical peak of 10Gbps. With the rapid development of 5G-A, it has spawned many new formats and new experiences, and will also support passive iot, achieve full scene connection, and promote the transformation and upgrading of thousands of industries.

Under the unified planning of China Mobile Group, Zhejiang Mobile strengthened the innovative deployment of 5G-A, took the lead in completing the 5G-A integrated verification of the whole scene of "water, land and air", realized the location perception of low-altitude drones, road vehicles, and water vessels, ensured low-altitude safety, explored vehicle-road coordination, guided water vessels, and promoted low-altitude economic development.

"Look, a series of data such as the current trajectory, altitude and flight speed of the drone can be displayed on the platform in real time to achieve full control." The drone figure hovers in mid-air, and the details that cannot be seen by the naked eye are presented on the screen one by one, which is that Ningbo mobile technicians are carrying out 5G-A+ drone detection work.

In recent years, the popularity and application of UAVs have put forward higher requirements for supervision, but UAVs are difficult to be detected and identified by traditional radar and camera equipment due to their small size, slow speed and low altitude, which brings great challenges to airspace safety.

5G-A integrated technology integrates various capabilities such as communication, perception, and computing power, turning the communication network into a "radar", with high-precision and high-resolution perception capabilities, capable of detecting and tracking moving objects, realizing real-time positioning, speed detection, and intrusion detection of drones, and effectively improving the management and monitoring capabilities of low-altitude drones. It is understood that 5G-A+ UAV detection applications will be widely used in key unit protection, major conference security and other major occasions.

"Emergency platelets have been obtained and the drone is ready to fly." "The drone has landed successfully and the blood transfer is complete."

On May 16, a drone loaded with emergency blood took off from the Ningbo Central Blood Station and landed steadily for 12 minutes at the drone emergency logistics hub in the eastern district of Li Huili Hospital of Ningbo Medical Center, 11 kilometers away. The waiting staff immediately took out the blood for emergency treatment of patients. The entire delivery process saves more than 60% of the time compared to ground transportation.

"It usually takes no less than half an hour to get there by car, but only 12 minutes by drone." According to Chen Liang, vice president of Li Huili Hospital of Ningbo Medical Center, the transport of blood and specimens by drones has become a regular practice.

In Ningbo Lihuili Smart Medical Park, many smart connected terminals such as temperature, humidity and noise sensors, electric curtains, patient bracelets, ear temperature meters, etc., although they are transmitted by many non-standard data transmission protocols, they are finally converted through 5G RedCap iot fusion gateway, which forms a unified and standardized clinical data system and interconnects with the hospital management system. Hospitals can centrally process and call all patient data at any time in the cloud, and accurately monitor and warn patients' vital signs and other indicators in real time.

Chen Liang, vice president of Li Huili Hospital, said: "5G RedCap technology can greatly reduce the cost of 5G terminals on the basis of meeting the security and controllability of park business, low time delay and high reliability, and can be widely used in 5G smart medical scenarios, making mass medical data summary more efficient, and is expected to become the standard equipment of 5G smart medical parks."

It is reported that as a landmark technology of 5G evolution, RedCap greatly reduces the complexity of 5G chips by lightweight design of 5G bandwidth and antennas, and greatly reduces the terminal cost while retaining 5G's low delay, high reliability and other native capabilities, which can be widely used in video surveillance, data acquisition, industrial control, smart wear, car networking and other scenarios.

At present, Zhejiang Mobile has taken the lead in achieving continuous RedCap coverage in all cities and urban areas in Zhejiang, and the number of RedCap stations in the province has opened more than 10,000 stations. Zhejiang Mobile also further carried out 5G RedCap cooperation with Zhenhai Refining and Chemical and State Grid to provide low-cost commercial solutions for various businesses such as smart power grid and smart industry.

Zhejiang Mobile has formed 5G-A continuous network coverage of multiple locations in Hangzhou, and will achieve more than 1,000 5G-A base station coverage scale. In Ningbo, 5G-A scale deployment has been completed in hot areas such as airports, high-speed rail stations, subway stations, universities, and more than 100 stations have been opened, and 5G-A has lit up ten districts, counties and cities in Ningbo.

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