RF System Design

4 Day Course
Code PWS267

This course has been retired. Please view currently available WiMAX Training Courses.

Modules

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Radio Principles (24 topics)

  • Designing to Service availability targets
  • Radio Transmission Principles
  • Radio Propagation
  • Frequency, Wave Length, Phase and polarization
  • Signal Power and Free Space Loss
  • Effective Radiated Power (ERP)
  • Polarization
  • Absorption
  • Diffraction
  • Reflection
  • Signal to Noise Ratio
  • Interference effects and Fading
  • MiMo and SiSo
  • Channel Allocation
  • Modulation
  • Amplitude, Frequency and Phase Modulation
  • QAM
  • Multi-Access Systems
  • FDM, TDM, TDMA, FHSS, DSSS, OFDM, CDMA
  • Frequency use
  • Overlapping channels
  • Noise and signal strength
  • Sensitivity, Feedback and Drift
  • Noise: sources and temperature

Antenna Systems (15 topics)

  • Classes of Antennas
  • Selecting the appropriate types
  • Antenna Loss and Gain
  • Point-to-point services
  • Area Coverage
  • Cellular coverage
  • Towers and Mountings
  • Static Mounts
  • Calculating Wind Effects
  • Loading and support
  • Antenna Tower Engineering
  • Static Self Supporting Systems
  • Guyed Systems
  • Hiding Antennas
  • Case Study Engineering Antenna System

Transmitters and Receiver (7 topics)

  • Transmitter and Receiver Characteristics
  • Classes of Transmitter
  • Transmitter Feeds
  • Classes of Receiver
  • Interfaces
  • Safety and Regulation Issues
  • Case Study Selecting Transmitters and Receivers for a Link

Cable Plant (12 topics)

  • Digital Interfaces
  • Cable transmission fundamentals
  • Twisted pair Cables
  • Coaxial Cables Characteristics
  • Characteristic Impedance
  • RF Cable Signal Loss and Noise
  • Reflections and termination
  • Cable loss and noise
  • Splitters, Taps, Line Amplifiers, Attenuators and Connections
  • Optical Cables
  • Engineering Antenna Cable Feeds
  • Case Study Engineering Cable Plant

Area Coverage Systems (5 topics)

  • Single Cell Systems
  • Multi-Cell Systems
  • Frequency Selection and Allocation
  • Carrier Interference Effects
  • WiFi Coverage and Hot-Spots

RF Link and System Engineering (13 topics)

  • Key Specification Parameters
  • Typical Link Applications
  • Identifying the Link Budgets
  • Frequency Selection
  • Transmission Path Loss calculation
  • Calculating the Antenna Height Required
  • Allowing for obstructions
  • Allowing for Interference
  • Feeder Loss
  • Allocating the Link Budget
  • Matching the receiver sensitivity
  • Matching design to service availability targets
  • Case Study Designing an RF System

Radio Test Equipment (7 topics)

  • Element Testing
  • System Testing
  • Noise testing: Static, Noise temperature, SNR
  • Digital Interface testing: Network Analyzers
  • Radio Interface testing: Spectrum Analyzers
  • Cable Plant Testing: Time Domain Reflectometers
  • Hands-on Exercise Building and Testing a Simple Systems

Conformance and Delivery (10 topics)

  • System Testing and Performance Measurements
  • Reasons for System Testing
  • Types of Validation Test Measurements
  • Error Ratios
  • Spectrum and interference testing
  • Specifying Test & Troubleshooting Procedures
  • Verifying the Design
  • Validating the Service
  • Proving the Delivered Network matches the Specification
  • Case Study defining specification provability tests procedures

Prerequisites

This course assumes attendees already have basic knowledge of data communications, PCs and IP systems. No prior knowledge of radio or Wireless systems will be assumed.

What Our Customers Say

The training was delivered with a high level of expertise and excellence. Instructor was highly knowledgeable.”

Technical Trainer, Aviat Networks

Overall the course was really good, the trainer really understood the material and was very approachable.”

Customer Training Manager, Aviat Networks

Excellent course, informative and well-paced.”

CSE, Cisco

Course was very well outlined. Topics were great and bridged many gaps.”

System Engineer, Cable & Wireless

An excellent intro to video encoding & MPEG transport streams - I would definitely recommend it.”

Broadcast Engineer, Cisco

Definitely an excellent intro. Left me interested in learning more.”

Broadcast Engineer, Eircom

Excellent training course with real examples and practical classroom demonstrations.”

Transport Designer, Orange

Instructor knowledge and experience was excellent.”

Solutions Engineer, Akamai

Excellent course, very clear and well organised. Course content delivery was very good.”

Assistant Engineer, Dhiraagu

Very informative and appropriate.”

Network Support Technician, BT

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