OFDM Relay Cognitive Radio Multiple Antennas Synchronization Resource Allocation Channel Estimation Full duplex CDMA Spectrum Sharing Spectrum Sensing Interference Cancellation Stochastic Geometry Bi-Directional Neural Networks Feedback Heterogeneous Networks Energy Harvesting Equalizer FBMC HetNet Femtocell relay networks Cross-link interference C-V2V in-band full-duplex system Reliability 5G Dynamic TDD MIMO Equalization Device-to-Device (D2D) channel capacity Ultra-dense small cell Channel estimation error Ultra Low Power CLI interference SC-FDMA Cell Search Handoff TVWS Spectral efficiency mode selection Duplex D-TDD NOMA LTE-TDD interference management Cell-free interference suppression non-orthogonal multiple access SINR mismatch problem Full-duplex massive connectivity Vehicle-to-vehicle communication LTE-based V2V GFDM Idle cells Ultra-dense small cell networks On/off algorithm body area networks Empty cell Timing and frequency offset health care frame structure timing misalignment User association Outdated channel estimation NR positioning Rat-dependent positioning ultra-dense small cell network estimated position overlapping hybrid smart factory indoor positioning multi-access edge computing reinforcement learning RSRP weighting mMIMO SCMA Short burst transmission intersymbol interference Zigbee MPA detector mMTC Power control Capacity CFO End-to-end delay QAM Traffic antenna arrays 5G mobile communication inter user interference resource block management UFMC Poisson arrival self interference cancellation System level simulation WVAN