OFDM Relay Cognitive Radio Multiple Antennas Resource Allocation Full Duplex Spectrum Sensing Synchronization Spectrum Sharing Interference Cancellation Channel Estimation Feedback Stochastic Geometry Heterogeneous Networks Bi-directional Energy Harvesting relay networks FBMC Equalization interference Duplex CDMA SC-FDMA HetNet interference suppression Ultra Low Power TVWS 5G channel capacity in-band full-duplex system QAM intersymbol interference intercarrier interference quality of service amplify and forward communication Zigbee cellular radio telecommunication traffic 5G mobile communication LTE-TDD distributed mode power uncertainty SCMA frame structure health care antenna arrays body area networks timing misalignment MIMO User association Outdated channel estimation self interference cancellation C-V2V ultra-dense small cell network channel estimation error Full-duplex Timing and frequency offset resource block management UFMC Handoff System level simulation Empty cell Ultra-dense small cell On/off algorithm CoMP Metaheuristics Power control MPA detector End-to-end delay mMTC Short burst transmission Traffic Poisson arrival Capacity Time-division duplex Subband filtering OCBT Waveforms Vehicle-to-vehicle communication Spatial capacity LTE-based V2V Communication range CFO Reliability Uplink SCMA system resource selection maximum likelihood method Vehicular communication V2X P-NOMA partial overlap QR Factorization FS-NOMA Dynamic TDD Number of training blocks cross-link interference user fairness Multi-user Receiver Mode 3 non-orthogonal multiple access