1. Electronic Communications Systems
CTAB Major Strength Specify, design, construct, troubleshoot, and characterize communications systems.

2. Electronic Communications Systems
Ian Benjamin – Instructor
Telecom Intro – term 4
Telecom Apps – term 5
Wireless/Radio Fundamentals – term 5
Wireless/ Radio Systems – term 6

3. Electronic Communications Systems
Rejean Barriault - Instructor
Fiber Optic Communications Term 5
Don Michaelsen - Instructor
Data Communications Term 5
Advanced Datacomm Term 6

4. RF / Wireless Experience:
Ian Benjamin
RF / Wireless Experience:
Nav Canada 23 yrs (Aircraft Radio Navigation / Communication / Telecom)
Radio Amateur / Radio Repair 30+ yrs
Maintained VHF-FM repeater 10 yrs

5. Intro to Telecom – term 4
Course Outcome To apply the principles involved in configuring a communications system.

6. Intro to Telecom (90 hr) Major Content
Time / Frequency Domain Signals, FDM
Fourier Transform, FFT, Spectrum Analysis
High frequency properties & construction
Linear Modulation – AM / SSB / FM /PM
Modulator / Demod / Mixer / Amp.
Transmitter / Receiver / Noise
Oscillators and Synthesizers – PLL, DDS

7. Intro to Telecom L ab Equipment Spectrum Analyzer, FFT scope
Freq. Selective Voltmeter
Agilent RF Generator
Function Generator Modulation
Lab Volt Telecom Modules

8. Telecom Applications –term 5
Course Outcome Use basic test equipment to analyze the performance of telephony and CATV transmission systems, both analog and digital.

9. Telecom Applications (45 hrs)
Major Content
Sampling, Aliasing, Quantization
Digital Modulation – PCM, FSK, PSK, QAM
Telephony – Local Loop, CO, Mux, ADSL
Digital Signal Hierarchy, SONET
Cable TV – Analog & Digital Video, Headend, Distribution, DOCSIS Modem, Return System
Convergence of Services and Carriers.

10. What is Radio/Wireless?

11. What is Radio / Wireless?
AM / FM / TV Broadcasting
Land Mobile
Cellular Phone / Data
Satellite / Microwave / Radar
Wireless LAN / MAN / WAN

12. What is Radio Frequency (RF)?
One definition is any frequency above 50kHz
Systems listed on previous slide obvious applications
Less obvious, much more prevalent
Digital and Wired data – ADSL, LAN, USB
Switch mode power supply radiation
Starting to see RF behavior in Power Systems like motor drives – standing waves on “60Hz” wiring

13. Wireless Fundamentals – term 5
Primary Course Outcome
To solve fundamental theoretical problems and use test equipment to perform fundamental practical measurements of radio systems involving antennas, transmission lines, and EM waves.
Secondary Outcome
To enable students who work in non-radio related workplace to apply RF principles in their work.

14. Wireless Fundamentals (135 hrs)
Major Content areas
Applied EM Physics Intro
Transmission Lines
Propagation
Antennas
Microwave
Real World Radio

15. Wireless Fundamentals
Transmission Lines
Why does wire act as transmission line?
Pulse and Sine response
Standing wave Ratio
Matching and Smith Charts
Measurements – Wattmeter, Slotted Line, Time domain reflectometer (TDR)
Line fault location using TDR (major non-radio application)
New Content – Anritsu Site Master FDR test set.

16. Wireless Fundamentals
Propagation
Free space, line of sight, plane earth, ionospheric
EIRP
Received Signal Strength Prediction
RF Channel Characteristics
Multipath Fading and Bandwidth Effects

17. Wireless Fundamentals
Antennas
Basic definitions
Characteristics
Radiation patterns, pattern formation
Adaptive Antennas
Selection

18. Wireless Fundamentals
Microwaves
Waveguides
Passive components
Active Components
Radar

19. Wireless Fundamentals
Real World Radio
Transmitter Spectral Purity
Receiver Spurious Response
Intermodulation , Desensitization
Duplexers and Multicouplers
EMI / EMC (useful in non-radio workplace)

20. Wireless Fundamentals
QUESTIONS?

21. Wireless / Radio Systems – term 6
Course Outcome
Use fundamental system concepts, design tradeoffs, and block diagram architecture to plan, manage and troubleshoot wireless and radio systems at an entry level.

22. Wireless/Radio Systems (45 Hours)
Major Content
Multiplexing/Multiple Access
DSP overview
Wireless LAN / Bridge
Terrestrial Microwave
Satellites

23. Wireless / Radio Systems
Multiplexing / Multiple access
TDMA – sync / async
Channel Model – Delay Spread
FDMA / OFDMA
CDMA
Spatial Multiple Access - MIMO, n
Collisions, Hidden/Visible Nodes

24. Wireless / Radio Systems
Digital Signal Processing (DSP)
Functional Concepts, no Math or Programming
Enabling technology
Signal Generation / Detection
Adaptive Filter / Equalization
Voice Compression – Vocoder
ADSL, OFDMA examples

25. Wireless / Radio Systems
Terrestrial Microwave Applications
Digital vs Analog
Repeaters
Modulation

26. Wireless / Radio Systems
Satellites
Orbits – low, medium, geostationary
System characteristics
Examples – Bent Pipe Transponder, Direct Broadcast TV, VSAT
GPS Architecture, Signals, Applications
Differential GPS, WAAS

27. Wireless / Radio Systems
Wireless LAN / Bridge
System Architecture / Protocols
Technologist level actions:
Antenna application and selection
RF channel / Coverage zones overlap and self interference
RTS/CTS, fragmentation thresholds and performance tuning

28. Wireless / Radio Systems
QUESTIONS?

29. EQUIPMENT DONATIONS
Defective components, assemblies, Antennas Test Equipment