Spectral Efficiency &
Costs of
Mobile Radio Systems
Introduction and Definitions
- Comparing Mobile Radio Systems
- The need to compare Mobile Radio Systems
- How to compare Mobile Radio Systems from the ARPU Perspective
- Other Influence Factors
- Definition of Processes and KPI’s
- Overview
- Design of the Standard -> Hard Blocking Capacity
- Why Hard Blocking is not describing reliably the Spectral Efficiency?
- Link Level Simulations
- Link Budget –> Cell Range –> Cell Density
- Satisfied User Criterion (QoS)
- System Level Simulations –> Spectral Efficiency
- Network Planning
- Network Engineering –> Final Costs
- Brief Introduction to Considered Mobile Radio Systems
- GERAN
- UMTS/HSPA
- LTE
- WIFI
- WiMAX
Generating cost-related KPI’s
- Hard Blocking Capacity
- Circuit Switched Hard Blocking
- Max. Packet Switched Throughput
- Max. Packet Switched Goodput
- Comparison of Different Standards
- GERAN, UMTS/HSPA, LTE, WiFI, WiMAX
- Second Order KPI’s by Link Level Simulations
- How Performance is Measured
- How Standard and Algorithms limit the Performance
- Performance dependency on the Mobile Radio Channel
- Performance Improvement by Diversity and Beamforming
- Throughput Improvement by Higher Order Modulation
- Throughput Improvement by MIMO
- Throughout Improvement by Retransmission
- Performance Limitation by Signaling delays
- Combination of Benefits
- Comparison of Different Standards
- GERAN, UMTS/HSPA, LTE, WiFI, WiMAX
- Rough Cell Density by Link Budget
- Approach of Link Budget Calculation
- The Propagation Models
- Influence Factors and their Modeling
- Cell Breathing and Link Budget
- Data Rate and Link Budget
- Higher Order Modulation / MIMO and Link Budget
- Comparison of Different Standards
- GERAN, UMTS/HSPA, LTE, WiFI, WiMAX
- Spectral Efficiency by System Level Simulations
- Approach of System Level Simulations
- How interference works
- Interference in Small Cells
- Frequency reuse and Fractional Frequency Reuse
- Improving the Interference Situation by Diversity and Beamforming
- Why Higher Order Modulation and MIMO do not give max. Benefit in System Level Simulations
- How AMR and DTX improve Spectral Efficiency
- Good Scheduling – Key for high Spectral Efficiency
- Signaling – Penalty for Spectral Efficiency
- Comparison of Different Standards
- GERAN, UMTS/HSPA, LTE, WiFI, WiMAX
- Detailed Cell Density & Physical Layer Configuration by Network Planning
- Approach of Network Plannin
- Network Planning and System Level Simulation
Derive final Costs by Network Engineering
- Approach of Network Engineering
- Costs derived from Network Engineering
- One-Time Investments
- Continuous Costs
- A Simple Cost Model
- Example scenarios
Conclusions and Results
- Cost Trends for the different Standards
- GERAN
- UMTS/HSPA
- LTE
- WiFI
- WiMAX Summary of Approach of this Training
v1.5
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