… , we highlight and classify some of the key challenges of D2D communication with respect
to current and future generation cellular technologies, giving a comprehensive outlook of new …

… radio, NOMA, network coding, and wireless localization. A comprehensive description of
the key wireless standards, including LTE, 5G, WiFi, Bluetooth, and an outlook to Beyond 5G …

… In this paper, the authors provide a detailed overview of the new control architecture installed
on the top of existing 3rd Generation Partnership Project (3GPP) networks with a network …

… an overview of the evolution of wireless networks toward 6G, discuss the main challenges for
future 6G networks, as … NOMA-PON is a novel scheme that combines NOMA with OFDM to …

… This paper provides an overview of China Mobile’s 5G vision … Non-orthogonal multiple access
(NOMA) schemes have … multiple access (SCMA), NOMA are usually achieved at the cost of …

… NOMA transmission strategy, the NOMA technology was combined with the cellular-based
D2D network … Technology Outlook The current research on dense connections mainly focuses …

… comprehensive overview of full spectrum sharing in CR networks … ], NOMA was applied to
large-scale Underlay CR networks, and … [138] studied the NOMA in multicast CR networks, and …

… In our outlook the recent advances can be divided into four … algorithm for uplink NOMA based
D2D communication in … communication underlaying NOMA based cellular networks where …

… network. Finally, future research directions are outlined for improving energy efficiency in
ultra-dense networks in 5G and beyond 5G networks… is formulated by adding NOMA into a UDN…

… We got an overview of the hybrid beamforming, which covers topics such as application …
user scheduling and power distribution in NOMA heterogeneous networks, which is distinct from …