CoolOptimisation
2011-11-02, 03:36 AM
Dears,
LTE link budget from Telecom Academy + excel spreadsheet calculation
Index:
LTE Link Budgets
Intro to Basic Radio System 4
Typical Link Budget Requirements 6
LTE Link Budget Variables 8
LTE Transmit Power Capability for the UE 10
Additional Factors Affecting UE Power Output 12
eNodeB Power Output Characteristics 14
Typical Losses in the eNB 16
Antenna Characteristics for the UE 18
Antenna Characteristics for eNB 20
Sensitivity Calculation for the eNB 22
Thermal Noise in Radio Systems 24
Type of Service and Impact on Noise Floor 26
Implementation Margin, UE, eNB, (from blue book) 28
Receiver Noise Figure 30
Total Noise Floor 32
Cascaded Noise 34
Typical SNR for LTE Modulation and Coding Schemes 36
Duplex Gap and Duplex Distance, Effect on Receiver Sensitivity 38
Calculating System Gain 40
Environmental Factors and Noise Rise 42
Shadow Margin (Slow Fading) 44
Building and Foliage Losses 48
Body Loss 50
Uplink and Downlink Noise Rise 52
Propagation Modelling 54
Coverage from Link Budget 58
Comparison of Models 60
COST 231 Propagation Model 64
The WINNER Model 66
Cell Range Calculations from MAPL 70
Cool!
LTE link budget from Telecom Academy + excel spreadsheet calculation
Index:
LTE Link Budgets
Intro to Basic Radio System 4
Typical Link Budget Requirements 6
LTE Link Budget Variables 8
LTE Transmit Power Capability for the UE 10
Additional Factors Affecting UE Power Output 12
eNodeB Power Output Characteristics 14
Typical Losses in the eNB 16
Antenna Characteristics for the UE 18
Antenna Characteristics for eNB 20
Sensitivity Calculation for the eNB 22
Thermal Noise in Radio Systems 24
Type of Service and Impact on Noise Floor 26
Implementation Margin, UE, eNB, (from blue book) 28
Receiver Noise Figure 30
Total Noise Floor 32
Cascaded Noise 34
Typical SNR for LTE Modulation and Coding Schemes 36
Duplex Gap and Duplex Distance, Effect on Receiver Sensitivity 38
Calculating System Gain 40
Environmental Factors and Noise Rise 42
Shadow Margin (Slow Fading) 44
Building and Foliage Losses 48
Body Loss 50
Uplink and Downlink Noise Rise 52
Propagation Modelling 54
Coverage from Link Budget 58
Comparison of Models 60
COST 231 Propagation Model 64
The WINNER Model 66
Cell Range Calculations from MAPL 70
Cool!