SK Telecom and Samsung launch LTE-R in Korea

Next-generation train-to-train wireless communications service LTE-R is being given the chance to prove itself in South Korea thanks to a collaboration between SK Telecom and Samsung.
The new LTE-R service was launched along the 41km-long Busan Metro line 1 that covers 40 stations. It replaced an existing analogue wireless system for the Busan Transportation Corporation (BTS), indicating how overdue the new technology is.
LTE-R needs to combine capacity, security, reliability and low-latency &nd