Topics in wireless communications [Series Editorial]

The ever growing demand for mobile broadband Internet services, and recent advancements in design of new mobile Internet devices and applications have created new challenges and opportunities for innovations in the design of wireless access networks. The expedited increase in data traffic and higher expectations for the broadband experience are pushing operators to upgrade and evolve their networks to next-generation systems on historically shorter timescales. The six articles included in this issue have been selected to provide readers with different perspectives on this evolution.