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Waveforms OCBT Uplink SCMA system LTE-based V2V Spatial capacity Vehicle-to-vehicle communication Subband filtering Outdated channel estimation