This case explains the technological changes in mobile communications, with a special focus on the fifth generation (5G). It describes the evolution from the first generation (1G) to the 5G; core technologies, distinct capabilities, key products, and major players in the 5G era.

Jean-Marc Frangos, Managing Director of Products & Services Research and Open Innovation at BT Group is looking to optimize the London-based telcom company’s external innovation process – scouting for new technologies from Silicon Valley, Israel and Asia.