ensity 294, 497 Foliage 246 Device-to-device (D2D) communication Frame configuration 197, 252 Frequency division duplex (FDD) 5, 28, Device-to-device interference 49, 95 Diffraction loss Frequency division multiple access (FDMA) Direct far field (DFF) Discontinuous reception (DRX) 166, 425, Frequency variants 433, 446 Fronthaul 221 Distributed MIMO 39,278 Front-loaded reference signals 41,411 Distributed unit (DU) Doppler frequency 38, 299 Downlink control information (DCI) Germany 56 Dual connectivity 4, 44, 264, 470 Global navigation satellite system (GNSS) Duplication 159, 168 Dynamic frequency selection (DFS) Global positioning system (GPS) Index Global system for mobile (GSM) Lean carrier 37, 287 Grandmaster clock License assisted access (LAA) 60, 484 Grant-free access Licensed shared access (LSA) Grid of beams (GoB) Light sleep Group based paging Link budget Guaranteed flow bit rate (GFBR) Listen before talk (LBT) 60, Guard period 198 Low density parity coding (LDPC) 102, 134,402 Half-duplex 435 Low density parity coding base graphs Handover 182 Low(er) layer split 47, 76 Header compression Lower power wide area (LPWA) High(er) layer split LTE-Advanced 10, 477 High speed train 38, LTE-Advanced Pro 10,477 Horizontal beamforming LTE-M 433 Human blocking LTE WiFi aggregation (LWA) Hybrid automatic repeat request (HARQ) Massive machine-type communication (mMTC) 2, 14 Idle mode Massive multiple input multiple output India 191 (MIMO) 3, 31, 194, 269, 485 Indirect far field (IFF) Master information block (MIB) 171, Indoor propagation Integrated access and backhaul (IAB) Maximum data burst volume (MDBV) 234, 467 152, 155 Integrity protection 157 Maximum flow bit rate (MFBR) Interference rejection combining (IRC) Maximum power reduction (MPR) Intermodulation distortion (IMD) 354 Measurement reporting International mobile telecommunications Medium access control (MAC) (IMT) 13-14 Micro cell propagation 312 International telecommunication union Micro sleep 421 (ITU) 13, 240 Microwave radio (MWR) Internet of things (Io