Course Modules

1. Introduction

1.1. OFDMA/SCFDMA
1.1.1. OFDM principle
1.1.2. OFDM design in LTE
1.1.3. OFDMA vs SC-FDMA
1.1.4. LTE Frame
1.1.5. Resource Block
1.2. LTE Physical Layer Procedures
1.2.1. RACH process
1.2.2. DL Transmission
1.2.3. UL transmission
1.2.4. UL H-ARQ and DL-HARQ

2. LTE Radio Channels

2.1. LTE_Uu Protocol stuck
2.2. Logical Channels
2.3. Trasnport Channels
2.4. Physical Channels
2.5. Channel Multiplexing

3. LTE Measurements

3.1. RSRP
3.2. RSSI
3.3. RSRQ
3.4. SINR

4. Radio Resource Management

4.1. Adaptive Modulation and Coding
4.2. Admission control
4.3. Scheduling (TTI bundling)
4.4. Power Control
4.5. MIMO
4.6. DRX/DTX
4.7. Cell Selection
4.8. Cell Reselection
4.9. Connected mode mobility

5. LTE Planning Principles

5.1. Link Budget
5.2. Cell Range
5.3. Capacity planning
5.4. PCI Planning
5.5. PRACH Planning
5.6. PUCCH dimentionning
5.7. TA, Paging planning

6. LTE Main KPI

6.1. Accessibility
6.2. Retainability
6.3. Usage
6.4. Integrity
6.5. Mobility

7. LTE RF Optimization

7.1. Detecting interference using field measurements
7.2. Detecting interference and bad coverage from counters
7.3. DL Interference reduction mechanisms
7.3.1. eICIC
7.3.2. DL Interference shaping
7.4. Detecting overshooting cells
7.4.1. Timing advance counters
7.5. Impact of interference on peak throughput
7.5.1. idle/loaded other cell interference
7.5.2. PCI collision impact in TD-LTE
7.6. PCI Confusion
7.7. Impact of interference on LTE network performance – importance of physical RF optimization
7.7.1. Impact of network load
7.7.2. MIMO X-feeders

8. LTE Throughput Optimization

8.1. KPIs
8.2. LTE Throughput Optimization in Downlink
8.2.1. Impact of inter-cell interference on peak throughput
8.2.2. Improving MIMO performance
8.2.3. Packet drops in transport/core network
8.2.4. Other DL issues
8.3. LTE Throughput Optimization in Uplink
8.3.1. User throughput vs. cell throughput
8.3.2. UL power control
8.3.3. UL scheduling
8.3.4. Other UL issues
8.4. QoS parameters limiting throughput
8.5. Throughput testing
8.5.1. UDP Throughput measurement to check that radio and e2e network do not limit peak Throughput
8.5.2. How to troubleshoot packet loss related TCP Throughput problems?

9. LTE Basic Signaling

10. LTE Call Setup Optimization

10.1. Network + Field KPIs
10.2. KPI Reference Values
10.3. Call Setup Signaling + Counter Triggers (S1)
10.4. Call Setup Signaling + Counter Triggers (Uu)
10.5. PRACH + Msg3
10.6. SRB1 setup
10.7. NAS security
10.8. RRC security + UE capability enquiry
10.9. SRB2 + DRB setup
10.10. Feature and Parameter Summary

11. LTE Call Drop Optimization

11.1. KPI Reference Values
11.2. Drop Call Causes
11.2.1. UE initiated drop
11.2.2. eNB initiated drop
11.3. Drop Call Counter Triggers
11.4. Handover signaling, Counter Triggers
11.5. Relevant Features and Parameters Summary

12. LTE Mobility Layering Optimization

12.1. Network + Field KPIs
12.2. Inter-layer Mobility Optimization Use Cases
12.2.1. UE capabilities Feature Group Indicator
12.2.2. Tracking Area optimization
12.2.3. Location Area optimization
12.2.4. LTE-capable UEs camping in 2G/3G
12.2.5. LTE inter-frequency handover optimization
12.2.6. Ping-pong mobility
12.3. Inter RAT robustness
12.4. Related features

13. LTE Capacity Management Optimization

13.1. Network + Field KPIs Summary
13.2. KPI targets and reference values
13.3. PDCCH optimization
13.4. PUCCH optimization
13.5. PRACH optimization
13.6. PCH optimization
13.7. Power optimization
13.8. Relevant features and parameters summary