Beijing Unicom Partners with Huawei to Launch 300MHz Full Coverage on Beijing Subway Line 3, Unveiling the "World's Fastest 5G-A Subway Network"

Beijing Unicom and Huawei have partnered to launch the "World's Fastest 5G-A Subway Network" on Beijing Subway Line 3 with 300MHz full coverage. This innovation will significantly improve subway network performance, delivering a smooth, high-speed experience for passengers with high bandwidth capabilities supporting 4K streaming, gaming, and large file transfers.

Recently, Beijing Unicom and Huawei successfully launched 300MHz full coverage across the entire Beijing Subway Line 3, unveiling the "World's Fastest 5G-A Subway Network." This move will further enhance the capital's subway network capabilities, elevating the signal quality through Unicom's superior network, providing Beijing citizens with a more convenient and comfortable subway riding experience.

Beijing is currently the city with the longest urban rail transit operating mileage in China, with subways transporting tens of millions of passengers daily. Subway Line 3, an essential transportation route connecting the central urban area and eastern districts, plays a significant role in alleviating traffic pressure and improving the travel structure. The line has a total of 10 stations, with a tunnel length of 15.7 kilometers, and now enjoys full 4/5G signal coverage along the entire route. With the 300MHz carrier aggregation technology, Beijing Subway Line 3 has become the fastest and largest capacity subway network in the world.

Actual speed test rates of Beijing Unicom's 300MHz network in station and carriage scenarios on Subway Line 3

The platform of Line 3 is equipped with Huawei's 5G-A LampSite X RF module and innovative distributed Massive MIMO technology. Utilizing the industry's most powerful single-radio head-end, it supports multi-band (1.8GHz+2.1GHz+3.5GHz 300MHz) 5G-A deployment. The subway tunnels are equipped with 3.5GHz indoor distribution modules to ensure seamless, high-speed network coverage throughout the entire subway. Actual speed tests show that during peak hours, the platform downlink/uplink speeds can reach 2.4Gbps/158Mbps. While the train passes through the tunnel, the in-car downlink/uplink peak speeds reach 1.7Gbps/103Mbps, with an overall average downlink speed of about 1.5Gbps. These speeds support 4K ultra-high-definition video streaming, large-scale gaming, and the instant transfer of large files, meeting the high-speed network demands of passengers.

Beijing Unicom, as a global leader in 5G-A network construction and operation, uses the 300MHz network to meet the needs of passengers on Line 3, providing the best quality network experience. Passengers can enjoy smooth, high-speed network services whether at the platform, in the station hall, or while traveling through tunnels. Beijing Unicom will continue to deepen its efforts in more inclusive scenarios, accelerate 5G network development, empower a digital Beijing, and continue to provide users with an enhanced "Beijing" network experience.

Li Jie, President of Huawei's 5G & LTE TDD division, stated, "The full commercial launch of the 300MHz network on Beijing Subway Line 3 marks a significant upgrade in the city's transportation infrastructure, achieving high-quality, continuous 5G-A network coverage in high-capacity subway scenarios, significantly enhancing the commuting experience for citizens. Huawei will continue to innovate and support Beijing Unicom in building a high-quality 5G-A network with new 5G-AA solutions, helping to develop the capital's smart city benchmark and improving the quality of life for its citizens."

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