Uplink non-orthogonal multiple access in heterogeneous networks: A review of recent advances and open research challenges.
Bilal Ur RehmanMohammad Inayatullah BabarArbab Waheed AhmadMohammad AmirWasim HabibMuhammad FarooqGamil Abdel AzimPublished in: Int. J. Distributed Sens. Networks (2022)