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by Johan Skold, Stefan Parkvall, Erik Dahlman
5G NR: The Next Generation Wireless Access Technology
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Title page
Table of Contents
Copyright
Preface
Acknowledgments
Abbreviations and Acronyms
Chapter 1. What Is 5G?
Abstract
1.1 3GPP and the Standardization of Mobile Communication
1.2 The Next Generation—5G/NR
Chapter 2. 5G Standardization
Abstract
2.1 Overview of Standardization and Regulation
2.2 ITU-R Activities From 3G to 5G
2.3 5G and IMT-2020
2.4 3GPP Standardization
Chapter 3. Spectrum for 5G
Abstract
3.1 Spectrum for Mobile Systems
3.2 Frequency Bands for NR
3.3 RF Exposure Above 6 GHz
Chapter 4. LTE—An Overview
Abstract
4.1 LTE Release 8—Basic Radio Access
4.2 LTE Evolution
4.3 Spectrum Flexibility
4.4 Multi-Antenna Enhancements
4.5 Densification, Small Cells, and Heterogeneous Deployments
4.6 Device Enhancements
4.7 New Scenarios
Chapter 5. NR Overview
Abstract
5.1 Higher-Frequency Operation and Spectrum Flexibility
5.2 Ultra-Lean Design
5.3 Forward Compatibility
5.4 Transmission Scheme, Bandwidth Parts, and Frame Structure
5.5 Duplex Schemes
5.6 Low-Latency Support
5.7 Scheduling and Data Transmission
5.8 Control Channels
5.9 Beam-Centric Design and Multi-Antenna Transmission
5.10 Initial Access
5.11 Interworking and LTE Coexistence
Chapter 6. Radio-Interface Architecture
Abstract
6.1 Overall System Architecture
6.2 Quality-Of-Service Handling
6.3 Radio Protocol Architecture
6.4 User-Plane Protocols
6.5 Control-Plane Protocols
Chapter 7. Overall Transmission Structure
Abstract
7.1 Transmission Scheme
7.2 Time-Domain Structure
7.3 Frequency-Domain Structure
7.4 Bandwidth Parts
7.5 Frequency-Domain Location of NR Carriers
7.6 Carrier Aggregation
7.7 Supplementary Uplink
7.8 Duplex Schemes
7.9 Antenna Ports
7.10 Quasi-Colocation
Chapter 8. Channel Sounding
Abstract
8.1 Downlink Channel Sounding—CSI-RS
8.2 Downlink Measurements and Reporting
8.3 Uplink Channel Sounding—SRS
Chapter 9. Transport-Channel Processing
Abstract
9.1 Overview
9.2 Channel Coding
9.3 Rate Matching and Physical-Layer Hybrid-ARQ Functionality
9.4 Scrambling
9.5 Modulation
9.6 Layer Mapping
9.7 Uplink DFT Precoding
9.8 Multi-Antenna Precoding
9.9 Resource Mapping
9.10 Downlink Reserved Resources
9.11 Reference Signals
Chapter 10. Physical-Layer Control Signaling
Abstract
10.1 Downlink
10.2 Uplink
Chapter 11. Multi-Antenna Transmission
Abstract
11.1 Introduction
11.2 Downlink Multi-Antenna Precoding
11.3 NR Uplink Multiantenna Precoding
Chapter 12. Beam Management
Abstract
12.1 Initial Beam Establishment
12.2 Beam Adjustment
12.3 Beam Recovery
Chapter 13. Retransmission Protocols
Abstract
13.1 Hybrid-ARQ With Soft Combining
13.2 RLC
13.3 PDCP
Chapter 14. Scheduling
Abstract
14.1 Dynamic Downlink Scheduling
14.2 Dynamic Uplink Scheduling
14.3 Scheduling and Dynamic TDD
14.4 Transmission Without a Dynamic Grant
14.5 Discontinuous Reception
Chapter 15. Uplink Power and Timing Control
Abstract
15.1 Uplink Power Control
15.2 Uplink Timing Control
Chapter 16. Initial Access
Abstract
16.1 Cell Search
16.2 Random Access
Chapter 17. LTE/NR Interworking and Coexistence
Abstract
17.1 LTE/NR Dual-Connectivity
17.2 LTE/NR Coexistence
Chapter 18. RF Characteristics
Abstract
18.1 Spectrum Flexibility Implications
18.2 RF Requirements in Different Frequency Ranges
18.3 Channel Bandwidth and Spectrum Utilization
18.4 Overall Structure of Device RF Requirements
18.5 Overall Structure of Base-Station RF Requirements
18.6 Overview of Conducted RF Requirements for NR
18.7 Conducted Output Power Level Requirements
18.8 Transmitted Signal Quality
18.9 Conducted Unwanted Emissions Requirements
18.10 Conducted Sensitivity and Dynamic Range
18.11 Receiver Susceptibility to Interfering Signals
18.12 Radiated RF Requirements for NR
18.13 Ongoing Developments of RF Requirements for NR
Chapter 19. RF Technologies at mm-Wave Frequencies
Abstract
19.1 ADC and DAC Considerations
19.2 LO Generation and Phase Noise Aspects
19.3 Power Amplifier Efficiency in Relation to Unwanted Emission
19.4 Filtering Aspects
19.5 Receiver Noise Figure, Dynamic Range, and Bandwidth Dependencies
19.6 Summary
Chapter 20. Beyond the First Release of 5G
Abstract
20.1 Integrated Access-Backhaul
20.2 Operation in Unlicensed Spectra
20.3 Non-orthogonal Multiple Access
20.4 Machine-Type Communication
20.5 Device-To-Device Communication
20.6 Spectrum and Duplex Flexibility
20.7 Concluding Remarks
References
Index
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Table of Contents
5G NR: The Next Generation Wireless Access Technology
Erik Dahlman
Stefan Parkvall
Johan Sköld
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