|
RF Overview
- History of RF
- Characteristics of a Radio Signal
- Basic Problems of Radio
- Basic Building Blocks in Radio Design
- Mixers, Amplifiers, Filters and Antennas
- Eb/No vs. SNR, BER vs. noise, Bandwidth Limitations
- Modulation Schemes and Bandwidth
- Technology Fundamentals
- Types of Modulation: AM, FM, FSK, QAM, PSK & QPSK
- RF Engineering Principals applied
- Cellular and Mobile RF (GSM, GPRS, EDGE/W-CDMA and UMTS)
- Cellular and Mobile RF (CDMA and CDMA2000)
- Fixed Wireless RF (802.11, 802.16, HF, UHF, Microwave, Satellite)
RF Technologies and Deployment
- Radio Propagation
- Introduction to Microwaves
- Definition of RF/microwave
- Frequency Bands Signal Principles
- Modulation, Bandwidth, Interference, Performance
- Fundamentals of Digital RF Communication
- Multiple Access Methods and Comparative Capacities
- Link Structure
- Call Processing
- Design Engineering
- Performance Engineering
- Traffic Engineering
- System Noise Management
- Propagation modes
- Transmission line aspects
- Smith Chart
- Scattering parameter analysis
- Microwave filters
- Matching networks
- Power flow relations
- Unilateral and bilateral amplifier designs
- Stability analysis
- Oscillators circuits
- Mixers
- Antennas
- RF Regulatory Considerations
RF Propagation Principles
- Physics and Propagation Mechanisms
- Propagation Models and Link Budgets
- Practical System Design Considerations
- Frequency and Wavelength
- The Physics of Propagation: Free Space, Reflection, Diffraction
- Local Variability: Rayleigh fading and multipath cancellation
- Area Propagation Models: Okumura, HATA, Cost 231
- Point-to-Point Models: techniques and commercial software
- Analyzing measured data to produce models
- Reliability of Service: using statistics to design for reliability
- Macro-cell Indoor Penetration Considerations and reliability
- Micro-cellular systems and techniques
- Propagation Prediction Tools and Measurement Tools
- Propagation Losses
- Free space path loss
- Reflection and scattering loss
- Multipath
- Rayleigh fading models
- Link Budgets and High-Level System Design
- Link Budget basics and application principles
- Traffic Considerations
Types Of Propagation Models And Their Uses
- Simple Analytical models
- General Area models
- Point-to-Point models
- Local Variability models
- The Okumura Model
- The Hata Model
- The EURO COST-231 Model
- Morphological Zones
- Walfisch-Betroni/Walfisch-Ikegami Models
- Commercial Propagation Prediction Software
Antennas
- Antenna Basics
- Basic Antennas: Isotropic and Dipole radiators
- Concept of Antenna Gain and gain references
- Effective Radiated Power
- Antenna Patterns and Pattern Features
- How Antennas achieve Gain
- Reflector techniques, array techniques
- Families of Antennas used in Wireless: architecture, characteristics
- Collinear vertical antennas
- Horizontal arrays: yagis, log-periodics, etc.
- Implications of propagation driving antenna selection
- Multipath scattering in mobile clutter environment
- Beamwidth and tilt considerations for base station antennas
- Radiation Pattern
- Gain Antenna types, composition and operational principles
- Antenna gains, patterns, and selection principles
- Antenna system testing
Basic Principles of Traffic Engineering and Optimization
- Trunks, Circuits, Voice Paths
- Offered Traffic vs. Carried Traffic
- Blocking Probability, Grade of Service
- Basic Operational Concepts
- Using Traffic Calculators (Voice, Data, Video and VoIP)
System Design Considerations
- Eb/No vs. SNR
- BER vs. Noise
- Bandwidth Limitations
- RF System Design
- Noise Figure
- Receiver Sensitivity
- Desensitization and Blocking
- Dynamic Range
- Intermodulation Distortion
- Power Output
- Spectral Efficiency and System Limitations
- Sample Link Budget Calculations
Labs and Hands-on Exercises
|