KT, Samsung to Expand South Korea’s Public-Safety LTE Network, Offer NB-IoT
Thursday, May 02, 2019 | Comments

Samsung Electronics signed an expansion contract with KT to provide public-safety Long Term Evolution (PS-LTE) network solutions based on Third Generation Partnership Project (3GPP) standard Release 13 for 10 major metropolitan regions in South Korea including Seoul by 2020. In addition, the two companies will deliver what they called the world’s first narrowband internet of things (NB-IoT) service through the PS-LTE network.

Samsung and KT are now aiming to expand the PS-LTE network further into the metropolitan areas around the country, including Seoul, Gyeonggi, Gangwon, Jeolla, Gyeongbuk and Chungnam provinces.

In addition to LTE radio base stations that support 700 MHz, Samsung is providing KT with a virtualized core and the latest features of PS-LTE based on the 3GPP standard. Some of the key features include mission-critical push-to-talk (MCPTT) solutions, radio access network (RAN) sharing, evolved Multimedia Broadcast Multicast Service (eMBMS), public network NB-IoT, Isolated eUTRAN Operation for Public Safety (IOPS) and device-to-device (D2D) network solutions.

D2D and NB-IoT play crucial roles in public-safety networks by ensuring stable, seamless and reliable network in unfavorable environments. For instance, D2D allows direct and undisrupted communications between any two devices without traversing radio base stations or core network even in areas where bases stations are not provided.

For the first time, NB-IoT is applied to the public-safety network to help prevent natural disasters such as fires as hundreds of IoT sensors are deployed to sense even the smallest size of embers or people who have been stranded in remote areas of mountains that are hard to spot in general.

“Samsung is thrilled to see such a significant achievement in the country’s public safety where our continuous efforts and innovation on technology have advanced the safety of the world,” said GY Seo, senior vice president and head of global sales and marketing, networks business at Samsung Electronics. “Samsung is honored to take part in this important mission with KT by providing PS-LTE solutions that will ensure seamless and stable connectivity across the nation.”

This marks the third project in which KT and Samsung’s Networks business unit have partnered on PS-LTE network deployments. KT was named a preferred bidder for the South Korean PS-LTE network last year. The carrier also delivered LTE-Railway service on a high-speed train traveling at up to 250 kilometers per hour using MCPTT solutions.

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