NG-RAN and 5G-NR

5G Radio Access Network and Radio Interface

AvFrederic Launay

Inbunden, Engelska, 2021

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Beskrivning

NG-RAN and 5G-NR describes the deployment of 5G NSA (non standalone 5G) and 5G-SA (standalone 5G). 5G-NSA deals with radio access entities. For the 5G-NSA mode, dual MR DC connectivity is based on radio measurements, allowing the master 4G base station MeNB to add or remove a secondary 5G node SgNB.This book describes the architecture of the NG radio access network and the 5G-NR radio interface according to the 3GPP (3rd Generation Partnership Project) specifications. The overall architecture of the NG-RAN, including the NG, Xn and F1 interfaces and their interaction with the radio interface, are also described. The 5G-NR physical layer is mainly connected by implementing antennas, which improves transmission capacity. 5G-SA deals with the 5G Core network.In the 5G-SA model, the mobile is attached to the 5G Core network through NG-RAN. The book explains radio procedure, from switching on a device to establishing a data connection, and how this connection is maintained even if mobility is involved for both 5G-SA and 5G-NSA deployment. NG-RAN and 5G-NR is devoted to the radio access network, but mobile registration, establishment procedures and re-establishment procedures are also explained.

Produktinformation

Utgivningsdatum:2021-09-03
Mått:10 x 10 x 10 mm
Vikt:454 g
Format:Inbunden
Språk:Engelska
Antal sidor:288
Förlag:ISTE Ltd and John Wiley & Sons Inc
ISBN:9781786306289

Utforska kategorier

Elektronik och kommunikationer inom Naturvetenskap och teknik

Mer om författaren

Frederic Launay is an Associate Professor at the LIAS laboratory and a teacher in networks and telecommunications at the University of Poitiers, France. He also leads training on the 4G, 5G, SIP and IMS networks.

Innehållsförteckning

Preface xiChapter 1. NG-RAN Network – Functional Architecture 11.1. Functional architecture NSA/SA 11.1.1. Option 3 41.1.2. Option 4 51.1.3. Option 7 61.2. Description of the NG-RAN network 71.2.1. The NG-RAN 81.2.2. AMF (Access management and Mobility Function) 101.2.3. SMF (Session Management Function) 111.2.4. UPF (User Plane Function) 121.3. Functional separation between the NG-RAN radio interface and the 5G core network 131.3.1. Mobile identities 131.3.2. Mobile mobility 171.4. Scheduling and QoS 191.4.1. Scheduling 191.4.2. Support for quality of service on radio link 211.5. Security architecture 241.6. Network slicing 261.7. References 28Chapter 2. NG-RAN Network – Protocol Architecture 312.1. The protocol architecture of the radio interface 312.1.1. Protocol stack on the Uu interface 322.1.2. The protocol architecture on the Xn interface 352.1.3. Protocol architecture on the F1 interface 372.1.4. Protocol stack on the NG interface 422.2. Procedures on the radio network access 452.2.1. XnAP procedures 452.2.2. F1 interface procedures 482.2.3. NG-AP procedures 502.3. Identities of the XnAP and NG-AP application protocols 562.4. References 56Chapter 3. NG-RAN Network – Procedures 593.1. General procedure of the 5G-NSA mode 593.1.1. LTE search procedure 603.1.2. Random access procedure 623.1.3. Data transfer 653.1.4. Removing a secondary node 703.2. General procedures of the 5G-SA 713.2.1. Initial random access and beam management procedure 713.2.2. Establishment of radio connection 743.2.3. Register request 753.2.4. The procedure for establishing a PDU session 843.3. References 87Chapter 4. 5G-NR Radio Interface – The Physical Layer 894.1. 5G-NR radio interface 894.1.1. OFDM waveform 894.1.2. Frequency bands and multiplexing methods 904.1.3. NR frame structure 934.1.4. NR frame structure in the time domain 944.2. TDD mode configurations 964.2.1. Static configuration per cell 964.2.2. Specific TDD configuration 984.2.3. The dynamic configuration of the transmission for a group of mobiles 984.3. Physical resource 984.3.1. Resource grid 984.3.2. Resource bloc and bandwidth part 1004.4. Physical channels and physical signals 1014.4.1. Physical signals and reference signals 1014.4.2. Physical channels 1024.5. Downlink transmission 1034.5.1. Synchronization signal 1034.5.2. Reference signals 1084.5.3. Physical control and data channels 1204.6. Transmission in uplink 1274.6.1. Physical reference signals 1284.6.2. The physical channel 1344.7. References 139Chapter 5. 5G-NR Radio Interface – Operations on the Frequency Bands. 1415.1. Operations on the frequency bands 1415.2. Carrier aggregation 1435.2.1. Carrier aggregation in the FR1 band 1455.2.2. Carrier aggregation in the FR2 band 1505.3. Supplementary UpLink (SUL) 1545.4. Synchronization on the secondary cell 1555.4.1. Carrier aggregation procedure 1555.4.2. SUL procedure 1585.5. References 159Chapter 6. 5G-NR Radio Interface – MIMO and Beamforming 1616.1. Multiplexing techniques 1616.1.1. MIMO mechanism 1616.1.2. Baseband beamforming 1636.1.3. Active antennas and massive-MIMO 1636.1.4. Antenna systems 1686.2. Antenna port 1706.2.1. Downlink transmission 1716.2.2. Uplink transmission 1746.3. Uplink Control Information (UCI) 1756.4. PDSCH transmission 1766.4.1. Single-CSI and multiple-CSI transmission 1766.4.2. Codebook configuration 1796.5. PUSCH transmission 1826.6. Beamforming management 1836.6.1. Burst SSB: beam sweeping 1836.6.2. Cell selection and cell re-selection procedures 1856.6.3. Beam management 1876.7. References 189Chapter 7. 5G-NR Radio Interface – Bandwidth Part 1917.1. Bandwidth part 1917.2. CORESET 1937.2.1. Configuration of CORESET#0 1947.2.2. CORESET configuration 1997.3. BWP switching procedure 2007.4. References 202Chapter 8. 5G-NR Radio Interface – Data Link Layer 2038.1. SDAP protocol 2048.1.1. Operations 2068.1.2. The protocol structure 2088.2. PDCP 2098.2.1. Procedures 2108.2.2. Operations 2148.2.3. Protocol structure 2178.3. RLC protocol 2188.3.1. Operations 2198.3.2. Protocol structure 2228.4. MAC protocol 2268.4.1. Operations 2268.4.2. Protocol structure 2298.4.3. Control element 2328.5. References 235Chapter 9. 5G-NR Radio Interface – Radio Access Procedure 2379.1. System information 2379.1.1. MIB message 2389.1.2. SIB1 message 2409.1.3. SIB2 message 2439.1.4. SIB3 message 2449.1.5. SIB4 message 2449.1.6. SIB5 message 2449.1.7. SIB6 message 2459.1.8. SIB7 message 2459.1.9. SIB8 message 2469.1.10. SIB9 message 2469.1.11. Summary 2469.2. Connection management 2479.2.1. Paging 2479.2.2. Connection establishment 2489.2.3. Activation of security 2509.2.4. Connection reconfiguration 2519.2.5. Connection re-establishment 2539.2.6. Connection release 2549.3. Measurement configuration 2559.3.1. Measurement objects 2569.3.2. The measurement events 2569.3.3. The filtering of the measurement 2609.4. References 260Index 263