Course Objectives:
To provide participants with an in-depth and clear understanding of digital transmission techniques used in telecommunications.
Expected Accomplishments:
- By the end of this course participants will be able to:
- Carry out waveform analysis.
- • Describe the major transmission terms and their applications.
- Explain reasons for using different line codes and modulation techniques.
- State various transmission impairments and performance measures
Who can benefit:
Professionals interested in understanding digital transmission techniques related to their field of work
Prerequisites:
Fundamental knowledge of electronics and telecommunications principles.
Course Outline:
Introduction to Digital Transmission
- What is a Digital Signal?
- Advantages of Digital Transmission over Analog
- Digitization of Speech
- PCM HierarchyNoise Measurement
- Noise Analysis
- Uncorrelated Noise
- Correlated Noise
- Signal-to-Noise ratio
- Noise Factor
- Power MeasurementsSignal Analysis
- Sinusoidal Signals
- Time & Frequency Domain
- Periodic Wave
- Complex Wave
- Fourier Series
- Band Limiting of Signals
- Linear Mixing
- Nonlinear MixingDigital Modulation
- Amplitude Shift Keying
- Frequency Shift Keying
- Minimum Shift Keying
- Phase Shift Keying
- Quadrature Shift Keying
- Quadrature Amplitude Modulation
- Differential Phase Shift Keying
- Bandwidth considerations of Modulation Techniques
- Probability of Error & Bit Error RateTransmission Codes
- Requirements of Line Coding
- Transmission Codes
- Symbol rate reduction techniques
- Channel and Information capacity
- Digital Transmission Impairments
- Alarm Philosophy
Delivery Method:
Instructor led classes with some exercises and animation-using computer based learning programmes.
Related Training:
- Fundamentals of 30-Channel PCM Systems.
- Fundamentals of SDH
- Fundamentals of Optical Fibre Communications.
