Content for TR 45.820 Word version: 13.1.0
7.3 Narrow Band Cellular IoT (NB-CIoT)
7.3.1 General
7.3.2 Downlink physical layer design
7.3.3 Uplink physical layer design
7.3.4 Link layer aspects
7.3.5 Radio resource management
7.3.6 Concept evaluation
7.3.7 Analysis on the re-use of LTE L2/L3
7.4 Cooperative Ultra Narrow Band (C-UNB)
7.4.1 General Description
7.4.2 Downlink physical layer design
7.4.3 Uplink physical layer design
7.4.4 Link layer aspects
7.4.5 Radio resource management
7.3 Narrow Band Cellular IoT (NB-CIoT) Word‑p. 314
7.3.1 General
7.3.1.1 Design principles
7.3.1.2 Design targets Word‑p. 315
7.3.2 Downlink physical layer design
7.3.2.1 Frequency channelization and reuse
7.3.2.2 Time-domain frame and slot structure Word‑p. 318
7.3.2.3 Downlink transport channels Word‑p. 319
7.3.2.3.1 Broadcast channel Word‑p. 320
7.3.2.3.2 Downlink common control channel
7.3.2.3.3 Synchronization channel Word‑p. 322
7.3.2.3.4 Physical downlink shared channel Word‑p. 323
7.3.2.4 Transmit chain for downlink channels Word‑p. 324
7.3.2.4.1 Downlink CRC calculation Word‑p. 325
7.3.2.4.2 Downlink FEC and interleaving
7.3.2.4.3 Rate matching Word‑p. 326
7.3.2.4.4 Constellation mapping
7.3.2.4.5 Mapping to Physical Resource Block
7.3.2.5 Downlink hopping scheme
7.3.3 Uplink physical layer design Word‑p. 327
7.3.3.1 Basic transmission scheme
7.3.3.1.1 Multiplexing scheme
7.3.3.1.2 Uplink shared channel Word‑p. 328
7.3.3.1.3 Transmission chain Word‑p. 329
7.3.3.2 Physical layer procedure Word‑p. 334
7.3.4 Link layer aspects Word‑p. 336
7.3.4.1 Overview
7.3.4.2 MS operating modes Word‑p. 337
7.3.4.3 Overview of the radio protocol structure Word‑p. 338
7.3.4.4 Scheduling Word‑p. 342
7.3.4.5 Random access procedure Word‑p. 343
7.3.4.5.1 RACH configuration
7.3.4.5.2 Random access procedure with random number
7.3.4.5.3 Random access procedure with C-RNTI Word‑p. 344
7.3.4.5.4 Random Access Request Word‑p. 345
7.3.4.6 Data transfer procedure
7.3.4.6.1 General
7.3.4.6.2 Segmentation and re-assembly Word‑p. 347
7.3.4.6.3 Data transmission and retransmission Word‑p. 348
7.3.4.7 Paging Word‑p. 349
7.3.4.7.1 General description
7.3.4.7.2 PDCCH Message Indication Word‑p. 350
7.3.4.7.3 PDCCH Own Group
7.3.4.7.4 Realizing time coordinated paging (subject to ongoing SA2 investigation)
7.3.4.8 MAC PDU format and structure Word‑p. 352
7.3.4.9 Examples of message flows Word‑p. 354
7.3.5 Radio resource management Word‑p. 362
7.3.5.1 System Information
7.3.5.1.1 System Information scheduling
7.3.5.1.2 System Information contents
7.3.5.1.3 System Information Reading Word‑p. 365
7.3.5.2 Idle more procedures Word‑p. 366
7.3.5.3 Coverage class Word‑p. 367
7.3.6 Concept evaluation
7.3.6.1 Coverage evaluation
7.3.6.1.1 Network synchronization
7.3.6.1.2 Uplink synchronization Word‑p. 373
7.3.6.1.3 Random access request Word‑p. 374
7.3.6.1.4 Downlink data and control channels Word‑p. 375
7.3.6.1.5 Uplink data and control channels Word‑p. 377
7.3.6.2 Capacity evaluation Word‑p. 380
7.3.6.3 Latency evaluation Word‑p. 384
7.3.6.3.1 Analytical latency evaluation for MAR exception reports
7.3.6.3.2 Latency evaluation for uplink reports generated by MAR periodic Word‑p. 388
7.3.6.3.3 Latency evaluation of downlink application layer ACKs for uplink generated MAR periodic reports Word‑p. 389
7.3.6.3.4 Latency evaluation for random access
7.3.6.4 Energy consumption evaluation Word‑p. 390
7.3.6.5 MS complexity evaluation Word‑p. 394
7.3.6.5.1 Module architecture assumptions
7.3.6.5.2 SoC hardware complexity estimate Word‑p. 396
7.3.6.5.3 Software complexity estimate Word‑p. 397
7.3.6.5.4 Comparison with legacy GPRS Word‑p. 399
7.3.6.5.5 Conclusions Word‑p. 400
7.3.6.6 Coexistence evaluation
7.3.6.6.1 Coexistence with GSM, uplink
7.3.6.6.2 Coexistence with GSM, downlink Word‑p. 407
7.3.6.6.3 Coexistence with UTRA, uplink Word‑p. 413
7.3.6.6.4 Coexistence with UTRA, downlink Word‑p. 415
7.3.6.6.5 Coexistence with E-UTRA, uplink Word‑p. 417
7.3.6.6.6 Coexistence with E-UTRA, downlink Word‑p. 420
7.3.6.6.7 Coexistence with E-UTRA (using alternative assumptions), uplink Word‑p. 422
7.3.6.6.8 Coexistence with E-UTRA (using alternative assumptions), downlink Word‑p. 425
7.3.6.7 Software update/reconfiguration Word‑p. 428
7.3.6.7.1 Simulation settings
7.3.6.7.2 Performance metric - resource utilization
7.3.6.7.3 Simulation results
7.3.6.7.4 Conclusion Word‑p. 429
7.3.6.8 Implementation impacts to the radio units of legacy base stations
7.3.6.9 Implementation impacts to the baseband units of legacy base stations Word‑p. 430
7.3.7 Analysis on the re-use of LTE L2/L3 Word‑p. 432
7.4 Cooperative Ultra Narrow Band (C-UNB) Word‑p. 434
7.4.1 General Description
7.4.1.1 Random uplink transmission
7.4.1.2 Ad hoc micro-channels
7.4.1.3 Cooperative reception Word‑p. 435
7.4.1.4 System architecture
7.4.1.5 Beacon channel Word‑p. 437
7.4.1.6 Downlink transmission
7.4.1.7 Security
7.4.2 Downlink physical layer design
7.4.2.1 Types of DL channels
7.4.2.2 Bit rate
7.4.2.3 Modulation
7.4.2.4 Transmission power of ad hoc micro-channel in downlink
7.4.2.5 Center frequency in DL
7.4.2.6 Pulse shaping and spectrum mask Word‑p. 439
7.4.2.7 Error correction code
7.4.3 Uplink physical layer design
7.4.3.1 Bit rate
7.4.3.2 Modulation
7.4.3.3 Transmission power
7.4.3.4 Uplink frequency
7.4.3.5 Pulse shaping and spectrum mask
7.4.3.6 Error correction code (ECC) Word‑p. 440
7.4.4 Link layer aspects
7.4.4.1 Downlink link layer formats and structures
7.4.4.1.1 Format of downlink MAC-PDUs
7.4.4.1.2 Segmentation & reassembly in DL Word‑p. 441
7.4.4.1.3 Format of the beacon channel
7.4.4.2 Uplink link layer formats and structures Word‑p. 442
7.4.4.3 Link Layer procedures
7.4.5 Radio resource management Word‑p. 446
