The South Korean mobile communications market is one of the world's most competitive and innovative. That keeps the pressure on SK Telecom, South Korea's largest carrier, to find way to stay ahead of the competition. So it was hardly surprising to see the operator recently sign deals with Ericsson (NASDAQ: ERIC) and Nokia (NYSE:NOK) to develop core technologies for next- generation 5G networks. FierceWirelessTech Editor Tammy Parker recently conducted an email Q&A with Alex Jinsung Choi, executive vice president and head of SK Telecom's ICT R&D division, regarding the operator's roadmaps for LTE Advanced and 5G. Choi touched on the challenges of deploying carrier aggregation technology, other LTE Advanced features the carrir has brought to its network and the company's vision of 5G. Hot Seat
