5G New Radio (eBook, ePUB)

A Beam-based Air Interface
Redaktion: Enescu, Mihai

• Format: ePub

Produktbeschreibung

A guide to the 3GPP-specified 5G physical layer with a focus on the new beam-based dimension in the radio system 5G New Radio: A Beam-based Air Interface is an authoritative guide to the newly 3GPP-specified 5G physical layer. The contributors--noted experts on the topic and creators of the actual standard--focus on the beam-based operation which is a new dimension in the radio system due to the millimeter wave deployments of 5G. The book contains information that complements the 3GPP specification and helps to connect the dots regarding key features. The book assumes a basic knowledge of multi-antenna technologies and covers the physical layer aspects related to beam operation, such as initial access, details of reference signal design, beam management, and DL and UL data channel transmission. The contributors also provide a brief overview of standardization efforts, IMT-2020 submission, 5G spectrum, and performance analysis of 5G components. This important text: * Contains information on the 3GPP-specified 5G physical layer * Highlights the beam-based operation * Covers the physical layer aspects related to beam operation * Includes contributions from experts who created the standard Written for students and development engineers working with 5G NR, 5G New Radio: A Beam-based Air Interface offers an expert analysis of the 3GPP-specified 5G physical layer.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 480
• Erscheinungstermin: 9. April 2020
• Englisch
• ISBN-13: 9781119582366
• Artikelnr.: 59261876

Autorenporträt

MIHAI ENESCU, PHD, is Senior Specialist, 5G Radio Standardization, Nokia Bell Labs, Finland. He has worked for Nokia for 14 years in 3GPP standardization on various physical layer topics. He is currently working on multi-antenna techniques for 5G technology and he is also serving as editor of 3GPP technical specification "NR; Physical Layer procedures for data" (38.214).

Inhaltsangabe

List of Contributors xiii

Preface xv

Acknowledgments xvii

Abbreviations xix

1 Introduction and Background 1
Mihai Enescu and Karri Ranta-aho

1.1 Why 5G? 1

1.2 Requirements and Targets 2

1.2.1 System Requirements 3

1.2.2 5G Spectrum 7

1.3 Technology Components and Design Considerations 10

1.3.1 Waveform 12

1.3.2 Multiple Access 13

1.3.3 Scalable/Multi Numerology 13

1.3.3.1 Motivation for Multiple Numerologies 13

1.3.3.2 5G NR Numerologies 13

1.3.4 Multi-antenna 17

1.3.5 Interworking with LTE and Other Technologies 18

1.3.6 5G Beam Based Technologies Across Release 15 and Release 16 19

1.3.6.1 Integrated Access and Backhaul 19

1.3.6.2 NR Operation on Unlicensed Frequency Bands (NR-U) 20

1.3.6.3 Ultra-Reliable and Low Latency Communications 21

1.3.6.4 Vehicular-to-everything (V2X) 21

1.3.6.5 Positioning 22

1.3.6.6 System Enhancements 22

2 Network Architecture and NR Radio Protocols 25
Dawid Koziol and Helka-Liina Määttänen

2.1 Architecture Overview 25

2.2 Core Network Architecture 26

2.2.1 Overview 26

2.2.2 Service Request Procedure 29

2.3 Radio Access Network 31

2.3.1 NR Standalone RAN Architecture 31

2.3.2 Additional Architectural Options 32

2.3.3 CU-DU and UP-CP Split 37

2.4 NR Radio Interface Protocols 41

2.4.1 Overall Protocol Structure 41

2.4.2 Main Functions of NR Radio Protocols 44

2.4.3 SDAP Layer 47

2.4.4 PDCP Layer 47

2.4.4.1 PDCP Packet Transmission 48

2.4.4.2 PDCP Duplication 49

2.4.4.3 Access Stratum (AS) Security 50

2.4.4.4 Robust Header Compression (ROHC) 50

2.4.5 RLC 50

2.4.5.1 Segmentation and Concatenation 51

2.4.5.2 RLC Reordering 51

2.4.5.3 ARQ Retransmissions and Status Reporting 52

2.4.6 MAC Protocol 53

2.4.6.1 Overview 53

2.4.6.2 Multiplexing and Demultiplexing 53

2.4.6.3 Logical Channel Prioritization 54

2.4.6.4 Hybrid Automatic Repeat Request (HARQ) 57

2.4.6.5 BWP Operation 58

2.4.6.6 Scheduling Request 60

2.4.6.7 Semi Persistent Scheduling and Configured Grants 60

2.4.6.8 Discontinuous Reception (DRX) 60

2.4.6.9 Buffer Status Reports 62

2.4.6.10 Timing Advance Operation 62

2.4.6.11 MAC Control Elements 63

2.4.7 Radio Resource Control (RRC) 67

2.4.7.1 Overview 67

2.4.7.2 RRC State Machine 68

2.4.7.3 Cells, Cell Groups, and Signaling Radio Bearers 70

2.4.7.4 System Information 71

2.4.7.5 Unified Access Control (UAC) 78

2.4.7.6 Connection Control 79

2.4.7.7 NAS Information Transfer 87

2.4.7.8 UE Assistance Information 87

2.4.7.9 RRC PDU Structure 89

3 PHY Layer 95
Mihai Enescu, Youngsoo Yuk, Fred Vook, Karri Ranta-aho, Jorma Kaikkonen, Sami Hakola, Emad Farag, Stephen Grant, and Alexandros Manolakos

3.1 Introduction (Mihai Enescu, Nokia Bell Labs, Finland) 95

3.2 NRWaveforms (Youngsoo Yuk, Nokia Bell Labs, Korea) 96

3.2.1 Advanced CP-OFDM Waveforms for Multi-Service Support 96

3.2.2 Low PAPR Waveform for Coverage Enhancement 102

3.2.3 Considerations on the Waveform for above 52.6 GHz 104

3.3 Antenna Architectures in 5G (Fred Vook, Nokia Bell Labs, USA) 105

3.3.1 Beamforming 105

3.3.2 Antenna Array Architectures 108