5G is the next cellular generation and is expected to quench the growing thirst for taxing data rates and to enable the Internet of Things. Focused research and standardization work have been addressing the corresponding challenges from the radio perspective while emplo... View more
 D. Soldani and A. Manzalini, ``Horizon 2020 and beyond: On the 5G operating system for a true digital society,'' IEEE Veh. Technol. Mag., vol. 10, no. 1, pp. 32 42, Mar. 2015.
 ``SK Telecom's view of 5G vision, architecture, technology, and spectrum,'' SK-Telecom, Seoul, South Korea, White Paper, 2014.
 G. Wunder et al., ``5GNOW: Non-orthogonal, asynchronous waveforms for future mobile applications,'' IEEE Commun. Mag., vol. 52, no. 2, pp. 97 105, Feb. 2014.
 Z. Roth et al., ``Vision and architecture supporting wireless Gbit/sec/km2 capacity density deployments,'' in Proc. Future Netw. Mobile Summit, Jun. 2010, pp. 1 7.
 V. Jungnickel et al., ``The role of small cells, coordinated multipoint, and massive MIMO in 5G,'' IEEE Commun. Mag., vol. 52, no. 5, pp. 44 51, May 2014.
 C. J. Bernardos, A. De Domenico, J. Ortin, P. Rost, and D. Wubben, ``Challenges of designing jointly the backhaul and radio access network in a cloud-based mobile network,'' in Proc. Future Netw. Mobile Summit (FutureNetworkSummit), Jul. 2013, pp. 1 10.
 A. Osseiran et al., ``Scenarios for 5G mobile and wireless communications: The vision of the METIS project,'' IEEE Commun. Mag., vol. 52, no. 5, pp. 26 35, May 2014.