quency division multiple time-varying channel 92-94, 103, 104 access (SC-FDMA) timing tracking single network slice selection assistance Toeplitz matrix 7, 28, 29, 48 information (S-NSSAI) tracking area list single-carrier modulation traffic engineering slice awareness transformation 75, 103 slice differentiator 225, transmission control protocol (TCP) slice-oriented services transmit window(s) 46, 49, 56, 58, 106, 110 smooth transitions transmitter 26-29, 31 software-defined networking (SDN) transmitter-receiver (T-R) pair spectral confinement 29, 44 spectral efficiency 96, 103, 127, 261 spectrum 25 ultra-reliable and low-latency spectrum localization communications (URLLC) 43, 116, spectrum sharing 137-142, 144, 145-148, 123, 189, 200, 251, 259 150, 151, 155, 162 underwater acoustic (UWA) communication square-root raised-cosine staggered multitone (SMT) 84, 88, 90, 91, universal filtered multicarrier (UFMC) 95-99 user datagram protocol (UDP) 248, 260 subband 25-28, 31, 32, 35, 36, 38 user plane (UP) 210,239 subcarrier 4, 25, 27, 30-32, 35, 36, 51, 64, 84,114,278 subcarrier mirror-mapping rule variable neighborhood search, 190 subcarrier orthogonality subcarrier spacing (SCS) variance vector subsymbol 65 vehicle platooning successive interference cancellation (SIC) vehicle-to-everything (V2X) 239,260 vehicle-to-infrastructure (V2I) suitable cell vehicle-to-network (V2N) symbol length vehicle-to-pedestrian (V2P) symplectic finite Fourier transform (SFFT) vehicular user equipment (VUE) 76, 104 vertical service(s) 222, 224, 227, 229, 238 synchronization 21, 25, 31, 33, 51, 69, 83, vestigial symmetry 94, 96, 117, 210 virtual private network (VPN) synthesis filter bank (SFB) 88, 89 vulnerable road user (VRU) synthesis function Walsh-Hadamard transform temporary identifier (Temp ID) waveform 25, 27, 38, 44, 57, 64, 66-69, 71, tenants 221, 223-225 72, 78, 80, 85, 86, 95, 96, 103, 104, 106, time division duplexing (TDD) 114, 123-132 time-domain 5, 45, 64, 105, 126 waveform parameter assignment 123-128, time-frequency ph