Content for TR 45.820 Word version: 13.1.0
7A Narrow Band LTE (NB-LTE)
8 Network architecture options
9 General Requirements for all CIoT proposals
10 Summary and overall conclusions
A Deployment scenarios for Cellular IoT
B Calculation of MCL for legacy GPRS
C Link level simulation assumptions
D System level simulation assumptions
E Traffic Models
F Link layer design principles and radio resource management concepts
G Simulation assumptions for coexistence study
H Bibliography
$ Change history
7A Narrow Band LTE (NB-LTE) p. 449
7A.1 General p. 449
7A.2 Downlink Physical Layer Design p. 449
7A.2.1 General description p. 449
7A.2.2 Time-domain frame and slot structure p. 449
7A.2.3 Downlink transport channels p. 450
7A.2.3.1 Broadcast channel p. 451
7A.2.3.2 Downlink common control channel p. 452
7A.2.3.3 Synchronization channel p. 453
7A.2.4 Downlink processing chain p. 457
7A.3 Uplink Physical Layer Design p. 458
7A.3.1 General description p. 458
7A.3.2 Time-domain frame and slot structure p. 459
7A.3.3 Uplink transport channels p. 460
7A.3.4 Uplink processing chain p. 463
7A.4 Concept evaluation p. 465
7A.4.1 Coverage evaluation p. 465
8 Network architecture options p. 467
8.1 Overall architecture p. 467
8.1.1 Overall architecture requirements p. 467
8.1.1a General architecture aspects p. 468
8.1.2 Security requirements p. 468
8.1.3 Architecture requirements related to new Radio Access solutions. p. 468
8.1.4 Architecture requirements related to GERAN Evolution solutions p. 468
8.1.5 Core network enhancements for paging devices in extended coverage p. 468
8.1.6 Indicative Capacity and Latency requirements for the CIoT Core Network with large number of devices p. 470
8.1.7 Initial rollout of CIoT with existing Core Network for small number of devices p. 471
8.1.8 Migration from CIoT "launch" Core Network to future "lightweight core network" p. 471
8.2 Architecture evaluation criteria p. 472
8.3 Architecture evaluation results p. 473
8.3.1 Evaluation of transmission efficiency p. 473
8.3.2 Evaluation of device energy consumption p. 474
8.4 Conclusions on architecture options evaluation p. 474
9 General Requirements for all CIoT proposals p. 474
9.1 Network Sharing principles p. 474
9.2 Cell Barring and Reservation principles p. 474
9.3 Access Barring principles p. 475
10 Summary and overall conclusions p. 475
10.1 Compliance with the objectives and radio interface conclusions p. 475
10.2 Overall Architecture Conclusions p. 476
A Deployment scenarios for Cellular IoT p. 477
B Calculation of MCL for legacy GPRS p. 478
C Link level simulation assumptions p. 480
D System level simulation assumptions p. 481
E Traffic Models p. 483
E.1 Cellular IoT device density per cell site sector p. 483
E.2 Traffic models for Cellular IoT p. 483
E.2.0 General p. 483
E.2.1 Mobile Autonomous Reporting (MAR) exception reports p. 484
E.2.2 Mobile Autonomous Reporting (MAR) periodic reports p. 484
E.2.3 Network Command p. 484
E.2.4 Software update/reconfiguration model p. 485
E.3 Assumptions for header overhead p. 485
F Link layer design principles and radio resource management concepts p. 486
F.1 Multiplexing principles p. 486
F.2 Scheduling principles p. 486
F.3 MAC layer retransmissions p. 486
F.4 Segmentation and reassembly of MAC layer SDU p. 486
F.5 Random access procedure p. 486
F.6 MS mobility states p. 486
F.7 System information (SI) p. 487
F.8 Paging p. 487
G Simulation assumptions for coexistence study p. 488
G.1 Coexistence with GSM p. 488
G.2 Coexistence with E-UTRA and UTRA p. 490
H Bibliography p. 493
$ Change history p. 495
