EngineeringCommunicationElectrical EngineeringDigital CommunicationInformation TheoryWireless CommunicationsDiversity TechniquesInterference ManagementMobile CommunicationMobile NetworksMultiple Access TechniquesWireless Channel ModelingCellular Communication NetworksCellular Downlink Multiple AccessCellular NetworksMultiple-access ChannelsMultiple-input Multiple-output Multiple AccessNomaNon-orthogonal Multiple Access