OFDM Multiple Antennas Cognitive Radio Relay CDMA Synchronization Channel Estimation Spectrum Sharing Interference Cancellation Full duplex Spectrum Sensing Resource Allocation Neural Networks Stochastic Geometry Equalizer Bi-Directional Feedback Femtocell Energy Harvesting Heterogeneous Networks Device-to-Device (D2D) Cross-link interference Cell Search Idle cells NOMA HetNet Ultra-dense small cell networks Spectral efficiency FBMC SINR mismatch problem Dynamic TDD interference management Sub-band filtering Mobility eigen decomposition outage probability Railway selection diversity Handoff Asynchronous Transmission flexible duplex 5G achievable sum rate interference mitigation Preamble Deep learning Grant-free Transmission MLP in-band full-duplex system sensing duration Correlated MIMO Simultaneous Sensing and Transmission transmission capacity (TC) Two-way communications Filtered OFDM automatic repeat request (ARQ) UWB full-duplex cellular OQAM bursty traffic model mode selection Bi-directional full-duplex Heterogeneous channel estimation capability Cognitive relay networks Channel estimation error multi-spectral pilot signal resource size control interference to noise ratio link reliability Coexistence scenarios mixed numerology Cooperative systems Resource management LTE-based V2V Vehicle-to-vehicle communication CP-OFDM massive connectivity tabu-search full-spreading NOMA Singular Vale Decomposition prototype filter Vehicle-to-Vehicle Reliability C-V2V Intentional frequency offset (IFO) Degree of freedom (DoF) B5G Asynchronism Asynchronous non-orthogonal multiple access (NOMA) TDD configuration Computation offloading Multiple access 6G non-orthogonal multiple access Complexity Full-duplex Edge computing Cell-free Coexisting network HST