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interference WVAN resource block management ultra-dense small cell network System level simulation User association Outdated channel estimation MIMO self interference cancellation SCMA Full-duplex Timing and frequency offset HetNet Empty cell On/off algorithm Ultra-dense small cell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