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5G Non-Terrestrial Networks : Technologies, Standards, and System Design
| 5G Non-Terrestrial Networks : Technologies, Standards, and System Design |
| Autore | Vanelli-Coralli Alessandro |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Newark : , : John Wiley & Sons, Incorporated, , 2024 |
| Descrizione fisica | 1 online resource (335 pages) |
| Altri autori (Persone) |
ChuberreNicolas
MasiniGino GuidottiAlessandro El JaafariMohamed |
| ISBN |
1-119-89118-3
1-119-89116-7 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover -- Title Page -- Copyright -- Contents -- Preface -- About the Authors -- Acknowledgments -- Acronyms -- Chapter 1 Introduction -- 1.1 What is 5G NTN? -- 1.2 Use Cases for 5G NTN -- 1.3 ITU‐R Vision and Requirements on the Satellite Component of IMT‐2020 -- 1.3.1 Satellite Component of IMT‐2020: Usage Scenarios -- 1.3.2 Requirements for the Satellite Radio Interface(s) of IMT‐2020 -- 1.4 NTN Roadmap in 3GPP -- 1.5 3GPP Requirements for 5G via Satellite -- 1.6 Technical Challenges -- 1.7 Satellite RAN Architecture -- 1.8 NTN Spectrum -- 1.9 3GPP Work on NTN in Release‐15 and Release‐16 -- 1.10 3GPP work on NTN in Release‐17 and Release‐18 -- 1.11 NTN in Release‐19 and Beyond -- 1.12 3GPP and Standardization -- References -- Chapter 2 The 3GPP 5G Overview -- 2.1 Introduction -- 2.2 5G System Architecture -- 2.2.1 5G Core Network -- 2.2.2 NG Radio Access Network -- 2.2.3 Dual Connectivity -- 2.2.4 Connectivity Options -- 2.2.5 Split Architecture -- 2.2.5.1 CU-DU Split -- 2.2.5.2 CP-UP Split -- 2.2.6 IoT and MTC Aspects -- 2.3 3GPP and 5G Standardization -- References -- Chapter 3 Non‐Terrestrial Networks Overview -- 3.1 Elements of a Satellite Communications System -- 3.2 Orbits and Constellations -- 3.2.1 Principles of Orbital Motion -- 3.2.2 Types of Orbits -- 3.2.3 Constellation Design -- 3.2.4 Satellite Orbit Determination and Prediction -- 3.3 Propagation and Link Performance -- 3.3.1 Earth-Satellite Geometry -- 3.3.1.1 Delay Characterization -- 3.3.1.2 Doppler Characterization -- 3.3.2 Link Performance -- 3.3.2.1 Antenna Parameters and Received Power -- 3.3.2.2 Additional Losses -- 3.3.2.3 Individual Link Performance -- 3.3.2.4 Overall Link Performance -- 3.3.2.5 NTN Link Budget Examples -- References -- Chapter 4 NR NTN Architecture and Network Protocols -- 4.1 Introduction -- 4.2 Architecture Overview -- 4.2.1 NG Interface Functions.
4.2.2 Xn Interface Functions -- 4.3 User Plane and Control Plane -- 4.3.1 Control Plane -- 4.3.2 User Plane -- 4.4 Interworking with Terrestrial Mobile Networks -- 4.4.1 Mobility -- 4.4.2 Dual Connectivity -- 4.5 Impact on Other Technologies: IoT NTN -- 4.6 Regenerative Architectures -- 4.6.1 NG‐RAN Node on Satellite -- 4.6.2 Split Architectures -- 4.6.2.1 CU-DU Split -- 4.6.2.2 Lower‐layer Split -- 4.7 Conclusions -- References -- Chapter 5 NR NTN Radio Interface -- 5.1 Introduction -- 5.2 NR Basic Transmission Scheme -- 5.2.1 NR Waveform -- 5.2.2 Modulation and Coding Scheme -- 5.2.3 Channel Coding -- 5.2.4 NR Multiple Access Scheme -- 5.2.5 NR Frame Structure -- 5.2.6 Bandwidth Part Operation -- 5.2.7 NR Radio Channels -- 5.2.8 NR Reference Signals -- 5.2.9 Multi‐antenna System -- 5.2.9.1 MIMO Schemes -- 5.2.9.2 Beam Management -- 5.2.9.3 Polarization Signaling in NTN -- 5.3 Downlink Synchronization Procedure in NTN -- 5.4 Uplink Synchronization Procedure in NTN -- 5.4.1 Uplink Timing Control -- 5.4.1.1 Uplink Timing Control in NR TN -- 5.4.1.2 Uplink Timing Control in NR NTN -- 5.4.1.3 NTN Higher‐layer Parameters for Uplink Timing Control -- 5.4.1.4 Timing Advance Adjustment Delay -- 5.4.2 Uplink Frequency Synchronization -- 5.5 NR Timing Relationships Enhancements for NR NTN -- 5.5.1 Timing Relationships Enhanced With Koffset -- 5.5.1.1 Random‐access Procedure in NTN -- 5.5.1.2 Resource Allocation in Time Domain -- 5.5.1.3 Other Timing Relationships Enhanced With Koffset -- 5.5.2 Timing Relationships Enhanced With kmac -- 5.5.2.1 Uplink Power Control -- 5.5.2.2 Beam Failure Recovery -- 5.6 Hybrid ARQ Enhancements for NR NTN -- 5.6.1 HARQ Functionality Basics -- 5.6.2 Increasing the Number of HARQ Processes in NTN -- 5.6.3 Disabling HARQ Feedback in NTN -- 5.6.3.1 Disabling HARQ Feedback Activation -- 5.6.3.2 HARQ ACK Codebook Enhancements. 5.6.4 Transmission Timing for HARQ‐ACK on PUCCH -- 5.6.4.1 Transmission Timing for HARQ‐ACK on PUCCH in Terrestrial Network -- 5.6.4.2 Transmission Timing for HARQ‐ACK on PUCCH in NTN -- 5.6.4.3 PDSCH Scheduling Restriction -- References -- Chapter 6 Impacts on the System Architecture and Network Protocol Aspects -- 6.1 Introduction -- 6.2 5G QoS and NTN -- 6.3 Network Attach, AMF Selection, and UE Location -- 6.3.1 Network Identities -- 6.3.2 Multiple TACs Support -- 6.3.3 UE Attach and Location Verification -- 6.4 Random‐access Procedure -- 6.5 Other Enhancements at MAC -- 6.5.1 Hybrid ARQ Operation Enhancements -- 6.5.2 Logical Channel Prioritization Enhancements -- 6.5.3 Enhancements on DRX Functionality -- 6.5.4 Extension of Other MAC Timers -- 6.6 RLC, PDCP Enhancements -- 6.6.1 RLC Sublayer -- 6.6.2 PDCP Sublayer -- 6.7 NTN‐specific System Information -- 6.8 Mobility Aspects -- 6.8.1 Idle Mode and Inactive Mode Mobility -- 6.8.1.1 Location‐based Measurement -- 6.8.1.2 Time‐based Measurement -- 6.8.2 Connected Mode Mobility -- 6.8.2.1 RRM Enhancements -- 6.8.2.2 Conditional Handover -- 6.9 Feeder Link Switchover -- 6.10 Network Management Aspects -- References -- Chapter 7 RF and RRM Requirements -- 7.1 Frequency Bands In Which NTN Can Operate -- 7.1.1 Satellite Networks -- 7.1.2 HAPS‐based Networks -- 7.2 NTN Architecture and Interfaces -- 7.3 Definition of RF Performances and Related Methodology -- 7.3.1 Coexistence Analysis -- 7.3.2 RF Performances -- 7.4 RRM Requirements -- 7.4.1 System Aspect -- References -- Chapter 8 NB‐IoT and eMTC in NTN -- 8.1 Overview -- 8.1.1 Cellular IoT in 3GPP Roadmap -- 8.1.2 Study Item on IoT NTN -- 8.1.3 Normative Work on IoT NTN -- 8.2 Architecture and Deployments Scenarios -- 8.2.1 Potential Use Cases -- 8.2.2 System Architecture -- 8.2.3 NTN IoT Spectrum -- 8.3 Enhancements for NB‐IoT/eMTC Support in NTN. 8.3.1 Timing and Frequency Pre‐compensation -- 8.3.1.1 Uplink Synchronization Validity Duration -- 8.3.1.2 GNSS Operation in IoT NTN -- 8.3.2 Timing Relationship Enhancements -- 8.3.3 Discontinuous Coverage and Assistance Information -- 8.3.4 Mobility Management -- 8.3.5 Feeder‐link Switchover -- 8.3.6 Network‐interfaces Signaling Aspects -- 8.3.7 MME(Re‐)Selection by eNB -- 8.3.8 Verification of UE Location -- 8.3.9 O& -- M Requirements -- 8.3.10 Other NAS Protocol Aspects -- References -- Chapter 9 Release 18 and Beyond -- 9.1 NTN in the Evolving Context of 5G, Beyond 5G and 6G -- 9.2 Non‐Terrestrial Networks and 5G -- 9.2.1 3GPP Standardization Status -- 9.2.2 Industrial Projects Based on Rel‐17 and Rel‐18 -- 9.2.2.1 Direct Connectivity to Smartphones -- 9.2.2.2 Direct Connectivity to IoT Devices -- 9.2.2.3 Connectivity to Cell -- 9.3 Toward 6G and Non‐Terrestrial Networks -- 9.3.1 6G System Versus 5G System -- 9.3.2 6G Versus 5G Non‐Terrestrial Network Component -- 9.3.3 6G NTN Design Principles -- 9.3.3.1 Multi‐terminal Types and Usage Conditions -- 9.3.3.2 Multi‐mission Radio Protocol(s) -- 9.3.3.3 Multi‐dimensional Network Infrastructure -- 9.3.3.4 Multi‐constraints Radio Access Network -- 9.3.3.5 Unification With the Terrestrial Network Component -- 9.3.4 Possible Evolution of NTN Standards -- 9.3.4.1 Enhancements of NTN 5G‐Advanced in 3GPP -- 9.3.4.2 Potential Enhancements of NTN for 6G -- References -- Index -- EULA. |
| Record Nr. | UNINA-9910830443403321 |
Vanelli-Coralli Alessandro
|
||
| Newark : , : John Wiley & Sons, Incorporated, , 2024 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
5G Non-Terrestrial Networks : Technologies, Standards, and System Design
| 5G Non-Terrestrial Networks : Technologies, Standards, and System Design |
| Autore | Vanelli-Coralli Alessandro |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Newark : , : John Wiley & Sons, Incorporated, , 2024 |
| Descrizione fisica | 1 online resource (335 pages) |
| Altri autori (Persone) |
ChuberreNicolas
MasiniGino GuidottiAlessandro El JaafariMohamed |
| ISBN |
1-119-89118-3
1-119-89116-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover -- Title Page -- Copyright -- Contents -- Preface -- About the Authors -- Acknowledgments -- Acronyms -- Chapter 1 Introduction -- 1.1 What is 5G NTN? -- 1.2 Use Cases for 5G NTN -- 1.3 ITU‐R Vision and Requirements on the Satellite Component of IMT‐2020 -- 1.3.1 Satellite Component of IMT‐2020: Usage Scenarios -- 1.3.2 Requirements for the Satellite Radio Interface(s) of IMT‐2020 -- 1.4 NTN Roadmap in 3GPP -- 1.5 3GPP Requirements for 5G via Satellite -- 1.6 Technical Challenges -- 1.7 Satellite RAN Architecture -- 1.8 NTN Spectrum -- 1.9 3GPP Work on NTN in Release‐15 and Release‐16 -- 1.10 3GPP work on NTN in Release‐17 and Release‐18 -- 1.11 NTN in Release‐19 and Beyond -- 1.12 3GPP and Standardization -- References -- Chapter 2 The 3GPP 5G Overview -- 2.1 Introduction -- 2.2 5G System Architecture -- 2.2.1 5G Core Network -- 2.2.2 NG Radio Access Network -- 2.2.3 Dual Connectivity -- 2.2.4 Connectivity Options -- 2.2.5 Split Architecture -- 2.2.5.1 CU-DU Split -- 2.2.5.2 CP-UP Split -- 2.2.6 IoT and MTC Aspects -- 2.3 3GPP and 5G Standardization -- References -- Chapter 3 Non‐Terrestrial Networks Overview -- 3.1 Elements of a Satellite Communications System -- 3.2 Orbits and Constellations -- 3.2.1 Principles of Orbital Motion -- 3.2.2 Types of Orbits -- 3.2.3 Constellation Design -- 3.2.4 Satellite Orbit Determination and Prediction -- 3.3 Propagation and Link Performance -- 3.3.1 Earth-Satellite Geometry -- 3.3.1.1 Delay Characterization -- 3.3.1.2 Doppler Characterization -- 3.3.2 Link Performance -- 3.3.2.1 Antenna Parameters and Received Power -- 3.3.2.2 Additional Losses -- 3.3.2.3 Individual Link Performance -- 3.3.2.4 Overall Link Performance -- 3.3.2.5 NTN Link Budget Examples -- References -- Chapter 4 NR NTN Architecture and Network Protocols -- 4.1 Introduction -- 4.2 Architecture Overview -- 4.2.1 NG Interface Functions.
4.2.2 Xn Interface Functions -- 4.3 User Plane and Control Plane -- 4.3.1 Control Plane -- 4.3.2 User Plane -- 4.4 Interworking with Terrestrial Mobile Networks -- 4.4.1 Mobility -- 4.4.2 Dual Connectivity -- 4.5 Impact on Other Technologies: IoT NTN -- 4.6 Regenerative Architectures -- 4.6.1 NG‐RAN Node on Satellite -- 4.6.2 Split Architectures -- 4.6.2.1 CU-DU Split -- 4.6.2.2 Lower‐layer Split -- 4.7 Conclusions -- References -- Chapter 5 NR NTN Radio Interface -- 5.1 Introduction -- 5.2 NR Basic Transmission Scheme -- 5.2.1 NR Waveform -- 5.2.2 Modulation and Coding Scheme -- 5.2.3 Channel Coding -- 5.2.4 NR Multiple Access Scheme -- 5.2.5 NR Frame Structure -- 5.2.6 Bandwidth Part Operation -- 5.2.7 NR Radio Channels -- 5.2.8 NR Reference Signals -- 5.2.9 Multi‐antenna System -- 5.2.9.1 MIMO Schemes -- 5.2.9.2 Beam Management -- 5.2.9.3 Polarization Signaling in NTN -- 5.3 Downlink Synchronization Procedure in NTN -- 5.4 Uplink Synchronization Procedure in NTN -- 5.4.1 Uplink Timing Control -- 5.4.1.1 Uplink Timing Control in NR TN -- 5.4.1.2 Uplink Timing Control in NR NTN -- 5.4.1.3 NTN Higher‐layer Parameters for Uplink Timing Control -- 5.4.1.4 Timing Advance Adjustment Delay -- 5.4.2 Uplink Frequency Synchronization -- 5.5 NR Timing Relationships Enhancements for NR NTN -- 5.5.1 Timing Relationships Enhanced With Koffset -- 5.5.1.1 Random‐access Procedure in NTN -- 5.5.1.2 Resource Allocation in Time Domain -- 5.5.1.3 Other Timing Relationships Enhanced With Koffset -- 5.5.2 Timing Relationships Enhanced With kmac -- 5.5.2.1 Uplink Power Control -- 5.5.2.2 Beam Failure Recovery -- 5.6 Hybrid ARQ Enhancements for NR NTN -- 5.6.1 HARQ Functionality Basics -- 5.6.2 Increasing the Number of HARQ Processes in NTN -- 5.6.3 Disabling HARQ Feedback in NTN -- 5.6.3.1 Disabling HARQ Feedback Activation -- 5.6.3.2 HARQ ACK Codebook Enhancements. 5.6.4 Transmission Timing for HARQ‐ACK on PUCCH -- 5.6.4.1 Transmission Timing for HARQ‐ACK on PUCCH in Terrestrial Network -- 5.6.4.2 Transmission Timing for HARQ‐ACK on PUCCH in NTN -- 5.6.4.3 PDSCH Scheduling Restriction -- References -- Chapter 6 Impacts on the System Architecture and Network Protocol Aspects -- 6.1 Introduction -- 6.2 5G QoS and NTN -- 6.3 Network Attach, AMF Selection, and UE Location -- 6.3.1 Network Identities -- 6.3.2 Multiple TACs Support -- 6.3.3 UE Attach and Location Verification -- 6.4 Random‐access Procedure -- 6.5 Other Enhancements at MAC -- 6.5.1 Hybrid ARQ Operation Enhancements -- 6.5.2 Logical Channel Prioritization Enhancements -- 6.5.3 Enhancements on DRX Functionality -- 6.5.4 Extension of Other MAC Timers -- 6.6 RLC, PDCP Enhancements -- 6.6.1 RLC Sublayer -- 6.6.2 PDCP Sublayer -- 6.7 NTN‐specific System Information -- 6.8 Mobility Aspects -- 6.8.1 Idle Mode and Inactive Mode Mobility -- 6.8.1.1 Location‐based Measurement -- 6.8.1.2 Time‐based Measurement -- 6.8.2 Connected Mode Mobility -- 6.8.2.1 RRM Enhancements -- 6.8.2.2 Conditional Handover -- 6.9 Feeder Link Switchover -- 6.10 Network Management Aspects -- References -- Chapter 7 RF and RRM Requirements -- 7.1 Frequency Bands In Which NTN Can Operate -- 7.1.1 Satellite Networks -- 7.1.2 HAPS‐based Networks -- 7.2 NTN Architecture and Interfaces -- 7.3 Definition of RF Performances and Related Methodology -- 7.3.1 Coexistence Analysis -- 7.3.2 RF Performances -- 7.4 RRM Requirements -- 7.4.1 System Aspect -- References -- Chapter 8 NB‐IoT and eMTC in NTN -- 8.1 Overview -- 8.1.1 Cellular IoT in 3GPP Roadmap -- 8.1.2 Study Item on IoT NTN -- 8.1.3 Normative Work on IoT NTN -- 8.2 Architecture and Deployments Scenarios -- 8.2.1 Potential Use Cases -- 8.2.2 System Architecture -- 8.2.3 NTN IoT Spectrum -- 8.3 Enhancements for NB‐IoT/eMTC Support in NTN. 8.3.1 Timing and Frequency Pre‐compensation -- 8.3.1.1 Uplink Synchronization Validity Duration -- 8.3.1.2 GNSS Operation in IoT NTN -- 8.3.2 Timing Relationship Enhancements -- 8.3.3 Discontinuous Coverage and Assistance Information -- 8.3.4 Mobility Management -- 8.3.5 Feeder‐link Switchover -- 8.3.6 Network‐interfaces Signaling Aspects -- 8.3.7 MME(Re‐)Selection by eNB -- 8.3.8 Verification of UE Location -- 8.3.9 O& -- M Requirements -- 8.3.10 Other NAS Protocol Aspects -- References -- Chapter 9 Release 18 and Beyond -- 9.1 NTN in the Evolving Context of 5G, Beyond 5G and 6G -- 9.2 Non‐Terrestrial Networks and 5G -- 9.2.1 3GPP Standardization Status -- 9.2.2 Industrial Projects Based on Rel‐17 and Rel‐18 -- 9.2.2.1 Direct Connectivity to Smartphones -- 9.2.2.2 Direct Connectivity to IoT Devices -- 9.2.2.3 Connectivity to Cell -- 9.3 Toward 6G and Non‐Terrestrial Networks -- 9.3.1 6G System Versus 5G System -- 9.3.2 6G Versus 5G Non‐Terrestrial Network Component -- 9.3.3 6G NTN Design Principles -- 9.3.3.1 Multi‐terminal Types and Usage Conditions -- 9.3.3.2 Multi‐mission Radio Protocol(s) -- 9.3.3.3 Multi‐dimensional Network Infrastructure -- 9.3.3.4 Multi‐constraints Radio Access Network -- 9.3.3.5 Unification With the Terrestrial Network Component -- 9.3.4 Possible Evolution of NTN Standards -- 9.3.4.1 Enhancements of NTN 5G‐Advanced in 3GPP -- 9.3.4.2 Potential Enhancements of NTN for 6G -- References -- Index -- EULA. |
| Record Nr. | UNINA-9910840847803321 |
|
Vanelli-Coralli Alessandro
|
||
| Newark : , : John Wiley & Sons, Incorporated, , 2024 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Ansia e fobie : come segni di disfunzione cerebrale / Erminio Costa, Alessandro guidotti, Luigi Ravizza
| Ansia e fobie : come segni di disfunzione cerebrale / Erminio Costa, Alessandro guidotti, Luigi Ravizza |
| Autore | COSTA, Erminio |
| Pubbl/distr/stampa | Firenze : Giunti, 1988 |
| Descrizione fisica | 49 p. ; 30 cm |
| Disciplina | 616.85225 |
| Altri autori (Persone) |
GUIDOTTI, Alessandro
RAVIZZA, Luigi |
| Collana | Medicina dossier |
| Soggetto topico | Fobie |
| ISBN | 88-09-76070-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | ita |
| Record Nr. | UNISA-990000371370203316 |
|
COSTA, Erminio
|
||
| Firenze : Giunti, 1988 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
La civiltà fiorentina del Quattrocento / Elio Conti, Alessandro Guidotti, Roberto Lunardi ; a cura di Laura De Angelis ... [et al.]
| La civiltà fiorentina del Quattrocento / Elio Conti, Alessandro Guidotti, Roberto Lunardi ; a cura di Laura De Angelis ... [et al.] |
| Autore | Conti, Elio |
| Pubbl/distr/stampa | Firenze : Vallecchi, 1993 |
| Descrizione fisica | 287 p. : ill. ; 30 cm. |
| Disciplina | 945.5110543 |
| Altri autori (Persone) |
Lunardi, Robertoauthor
Guidotti, Alessandroauthor De Angelis, Laura |
| Soggetto topico | Firenze - Storia sociale |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | ita |
| Record Nr. | UNISALENTO-991002299989707536 |
|
Conti, Elio
|
||
| Firenze : Vallecchi, 1993 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. del Salento | ||
| ||