LTE Features & Functionality Introduction.ppt
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The document presents an overview of LTE radio network functionality, detailing various features such as idle mode behavior, scheduling, power control, and capacity management. It serves as a training resource and emphasizes that it should not be considered a technical specification. Key components discussed include radio connection supervision, quality of service frameworks, and load management, aimed at enhancing network performance and user experience.
LTE Features & Functionality Introduction.ppt
- 2. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 2 ›Features and Functionality modules – Idle Mode Behavior – Radio Connection Supervision – Scheduling and QoS – Link Adaptation – Power Control – Carrier Aggregation, CoMP, Combined Cell – Capacity Management – Load Management – HW, O&M, TN, Traffic, Location Management Main Topics
- 3. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 3 Scope: › Introduce Radio Network Functionality for further studies in the Features and Functionality modules. Objectives: Describe, on an overview level: › The concepts of Radio Network Functionality. Scope & Objectives
- 4. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 4 Disclaimer This material is a training document and contains simplifications. Therefore, it must not be considered as a specification of the system. The contents of this document are subject to revision without notice due to ongoing progress in methodology, design and manufacturing. Ericsson Academy shall have no liability for any error or damage of any kind resulting from the use of this document. This document is not intended to replace the technical documentation. Always refer to that technical documentation during operation and maintenance. For latest release information, please refer to Lighthouse. © Ericsson AB 2016 This document was produced by Ericsson Academy.
- 5. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 5 ? ? ? Idle Connected Core Network ? Functions?
- 6. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 6 EPC Optional Basic features Optional features OSS HW Basic features Capacity licenses Optional features RBS HW › Basic features – All functionality needed for an operational LTE network e.g.: › RBS operating system › Radio tx/rx › Scheduling (Round Robin) › Power Control › Basic Admission Control › Config-, SW-, Fault- and Performance Management › etc › Optional features – Extended functionality and optimized performance e.g.: › Proportional Fair Scheduling › Delay Based Scheduling › Frequency Selective Scheduling › Handover › IRAT Mobility › Dynamic GBR Admission Control › Dynamic QoS Modification › MIMO › etc Features?
- 7. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 7 Overview
- 8. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 8 Radio Access Network Core Network TEMS OSS-RC Mul Mul Mun Other Management Systems Mun Network Management Environment RBS RBS RBS RBS Radio Base Station (eNB) OSS-RC Operation Support System – Radio Core TEMS TEMS Optimization Solution UE RAN Overview, Logical Interfaces S1 S1 S1 Uu Uu X2 X2 X2 UE
- 9. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 9 LTE Radio Network Functionality
- 10. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 10 LTE WCDMA GSM CDMA2000 IDLE MODE EPS Idle Mode Behavior: PLMN Selection
- 11. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 11 › Monitor System Information › PLMN Selection › Cell Selection/Reselection › Location Registration › Monitor Paging PLMN A PLMN B PLMN C MME IDLE MODE TAU Idle Mode Tasks
- 12. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 12 Disconnect or wait? RBS 2 RBS 1 No Coverage Radio Connection Supervision
- 13. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 13 Resource assignments UL/DL RBS QoS Framework QoS Parameters QCIs ARPs Scheduling Link Adaptation Channel feedback Power Control TPC commands Scheduling, QoS, LA, PC Overview
- 14. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 14 QPSK (2 bits/symbol) 16 QAM (4 bits/symbol) 64 QAM (6 bits/symbol) Radio Environment: Poor Good Low data rate High data rate Medium data rate RRC Connected Link Adaptation
- 15. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 15 + Carrier Aggregation › Provides the ability to transmit data to a single UE on multiple carriers simultaneously with an increased aggregated bandwidth. Significantly increased downlink speed across coverage area and higher capacity
- 16. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 16 › The Combined Cell feature allows two or more RRU’s to be operated as a single cell – E.g. outdoor cells extended to indoor coverage without need for new cell – Enable seamless mobility between sectors belonging to the same cell Combined Cell Improved coverage and end-user experience
- 17. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 17 › Operator benefit – Increased UL bitrates and cell capacity – Beat competition on end user experience – Enables efficient Heterogeneous NW deployment Improves uplink bitrate by combining antenna signals from different cells Coordinated Multi-Point Reception (CoMP) Increased App coverage
- 18. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 18 RBS Cell Load Admission limit Capacity Management (Admission Control)
- 19. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 19 Cell Load Congestion limit RBS Capacity Management (Congestion Control)
- 20. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 20 f1 f2 LTE WCDMA IF Load Balancing IF Offload IRAT Offload to WCDMA Basic Load Management LTE Load Management Better load distribution between different carriers
- 21. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 21 › RBS Hardware related features › O&M related features › Traffic related features › Transport Network related features › Location Management related features HW, O&M, TN, Traffic, Location Management
- 22. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 22 Summary
- 23. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 23 › Radio Connection Supervision › Scheduling, Link Adaptation and Power Control › Capacity Management RBS QoS Framework Scheduling Link Adaptation Power Control IDLE MODE No Coverage › Idle Mode Behavior Summary of LTE Functionality
- 24. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 24 f1 f2 IF Load Balancing IF Offload IRAT Offload + › HW, O&M › TN, Traffic and LM Summary of LTE Functionality (Cont)
- 25. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 25 Quiz
- 27. LTE Radio Network Functionality - Introduction | Ericsson Internal | , Rev | 2017-06-12 | Page 27 More Information Check the LTE Delta Web Based modules for the latest LTE RAN functionality updates. › Product Catalog › Lighthouse › CPI Store
- 28. Thank you!