SK Telecom and Samsung Electronics have successfully completed the world’s first 4G LTE and 5G end-to-end network interworking trial in a real outdoor environment in Seoul.
To enable interworking between 4G and 5G, the companies used the current 4G LTE commercial network in the 2.6GHz band and newly built 5G networks using frequencies of 3.5GHz and 28GHz, as well as virtualized core a...