New services implementing 5G on high-speed railways are being realized
Published2017.05.04 06:355G Environment Established at Yongyu Station and Inside Trains Through Collaboration
5G field testing has been conducted on the Airport Railroad, which rapidly connects Seoul's downtown area and Incheon.
KT (Chairman Hwang Chang-gyu) collaborated with Ericsson and Airport Railroad to construct a 5G environment including base stations and terminals at Yongyu Station and inside Airport Railroad passenger cars to successfully showcase 5G pilot services in 2018.
The company successfully demonstrated wireless transmission speeds of approximately 4Gbps while trains move at high speeds and a 'Hand Over' function that can minimize communication interruptions that occur when service coverage areas change.
KT stated that this Airport Railroad 5G field test is a verification process for commercializing '5G-R (Railroad)', which provides gigabit-class speeds within high-speed railways, and explained that the field test could be successfully conducted through approximately six months of ultra-high frequency characteristic analysis and performance testing such as at 28GHz.
Going forward, KT plans to expand 5G field testing to major areas such as subways and high-speed railways that can make a good first impression on foreign visitors. Additionally, based on these efforts, the company plans to discover new service models that can introduce South Korea's ICT technology to event officials and spectators visiting the country for competitions such as the 2018 PyeongChang Olympics.
Meanwhile, KT previously constructed a 5G test network in major Seoul areas and PyeongChang and Gangneung regions in Gangwon Province, succeeded in 5G field testing by transmitting high-definition video, and has been conducting radio propagation characteristic experiments of 5G frequency (28GHz) inside KTX tunnels since November last year together with Samsung Electronics to apply 5G technology to high-speed railway environments.
Seo Chang-seok, Executive Vice President of KT's Network Strategy Division, stated, "This field test is a preparation stage for providing new services that apply 5G to high-speed railways at a commercial level," and added, "KT will accelerate preparations for constructing 5G pilot networks in PyeongChang and major Seoul areas."
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