LTE RF Planning Guide

Contents:-




1. LTE AIR INTERFACE OVERVIEW AND BASIC SPECTRUM PLANNING

• OFDMA, Number of Subcarriers, Symbol Size, Subcarrier Types
• Frames
• UL Allocation (SC-FDMA)
• BASIC SPECTRUM PLANNING

2. RF LINK BUDGET

• Effective Radiated Power
• Effective Receiver Faded Sensitivity
• System Gain
• LIMITING RF LINK
• BASE STATION TYPES
• Watts to dB Conversion

3. RF PROPAGATION MODELS

• HATA
• COST-231 HATA
• ERCEG-GREENSTEIN
• COMPARISON OF MODELS
• FACTORS IMPACTING PROPAGATION MODELS
• LIMITATIONS TO COVERAGE

4. LTE CAPACITY

• LTE FRAME STRUCTURES
• LAYER 1 OVERHEADS
• PEAK INSTANTANEOUS THROUGHPUT
• MAXIMUM SUSTAINABLE THROUGHPUT & RETRANSMISSIONS
• CAPACITY AND MPR AND CINR DISTRIBUTIONS
• ANTENNA SCHEMES
• WORKLOAD MODELING

5. RF ANTENNA SYSTEMS

• ANTENNA PARAMETERS - Antenna Gain, Physical Size, VSWR, Power Rating, Polarization, Beamwidth, Front to back RatioDowntilt
• SMART ANTENNAS

6. FREQUENCY REUSE

• Resource Block Group Reuse Sub-Pattern
• REUSE PATTERNS - 1x3x1, 1x3x3
• CARRIER TO INTERFERENCE PLUS NOISE RATIO
• LTE METHODS FOR REDUCING LOW CINR IMPACT
• METHODS TO REDUCE CO-CHANNEL INTERFERENCE

7. INTER SYSTEM INTERFERENCE

• Controlling Inter-System Interference
• Interference Mechanism: OOBE and Overload
• Coexistence with WiMAX

8. INTER-TECHNOLOGY ANTENNA SHARING

• INTER-MODULATION
• GATHERING CUSTOMER INFORMATION
• DETERMINE GEOGRAPHICAL REGION
• INTER-SYSTEM FREQUENCY COMPATIBILITY
• SELECTING OPTIMAL ANTENNA SHARING GOALS
• RE-MINING SPECTRUM
• TDD WITH FDD
• FINE TUNING ANTENNA CONFIGURATIONS

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