ell Radio Network Temporary CQI (Channel Quality Indicator) Identifier) 186 cRAN (Cloud RAN) 346 C-SON (centralized SON) 338, 340, 342 CRC (Cyclic Redundancy Check) 105, 120, CA (Carrier Aggregation) 81-83, 85, 86, 135, 121, 225, 226 151, 160, 214, 221, 223, 227, 357, 358 CRS (Cell-Specific Reference Signal) CAC (Connection Admission Control) 369 112, 121 CAG (Closed Access Group) 55-57 CSG (Closed Subscriber Group) 348, CBG (Code block group) 269 361-363, 367, 374 CBRS (Citizens Broadband Radio System) CSI (Channel State Information) 86, 93, 8, 16, 17, 20, 221 109-114, 116-118, 121, 198 CC (Continuity Check) 356, 365, 371 CSR (Cell Site Router) CCCH (Common Control Channel) 85, 89 CTC (Convolution Turbo Codes) 120 CCE (Control Channel Element) 107, CU (Central Unit) 3, 39, 61, 75, 76, 81, 84, CCSA (China Communications Standards 92, 93, 133-137, 139-141, 143-155, Association) 27 158, 160, 163, 176-190, 193, 194, 208, CDM (Code Division Multiplexing) 114 214, 217, 218, 226-229, 237, 240-243, CEPT (European Conference of Postal and 245-247, 250, 252, 254, 262, 279, 280, Telecommunications Administrations) 282, 284, 286-289, 332-336, 346, 348, 350, 354, 361, 363, 365-367, 370, 385, CGI (Cell Global Identifier) 146, 187 391-395 Channel coding 100, 118, 122, 126, 212, CU/DU split 75, 92, 137, 139, 141, 144, 145, 147, 149, 151, 153-155, 191, 194, 234, CLI (Cross-Link Interference) 248, 255 240, 241, 289, 366, 368 Index CUPS (Control-and User-Plane Separation) DPDK (Data Plane Development Kit) 38, 43, 44, 176 CUS (Control-plane, User-plane, and DRB (Data Radio Bearers) 80-82, Synchronization) 131, 132, 200, 201, 88, 92, 151, 152, 168, 169, 184, 185, 209-211 244, 331, 332 DRX (Discontinuous Reception) 86, 151, D-SON (distributed SON) 338, 340, 342 DSCP (Differentiated Services Code Point) D/A (Digital to analog) 125, 126, 295, 298 247, 369 D/C (Data or Control) DSL (digital subscriber line) DA (Destination Address) DSP (Digital Signal Processor) DAG (Directed Acyclic Graph) DTCH (Dedicated Traffic Channel) DAS (Distribu