Course Objectives:
To provide the participants with a good knowledge of techniques and concepts of 30-Channel PCM Systems.
Expected Accomplishments:
Understand & describe sampling, quantizing, encoding, A-law of companding, frame, multi-frame, HDB3 line coding and applications of 30- Channel PCM Systems.
Who can benefit:
Professionals interested to have good knowledge of techniques and concepts of 30-Channel PCM Systems.
Prerequisites:
Good knowledge of Digital Electronics and Techniques.
Course Outline:
Introduction
- PSTN
- FDM and TDM Multiplexing
Techniques - Transition from Analog to
Digital Networks - PCM and Digital Transmission
- Advantages of Digital SystemsSampling
- Sampling and Combining
- Sampling Theorem
- Types of Sampling
- Sampling Frequency
- Fold-Over DistortionQuantizing
- Concept of Quantizing Interval
- Concept of Quantizing and
Quantizing Process - Quantizing Distortion
- Quantizing NoiseCompanding
- The Concept of Companding
- Companding and SQR
- Segmented Companding
- A-law of CompandingEncoding
- Non-Linear Encoding
- Direct Non-Linear Encoder
- Alternate Digit Inversion (ADI)Decoding
- Principles of Decoding
- Half- Bit Correction
- Digital Expansion 30-Channel PCM Signal
- TDM Principle
- Concept of Frame
- Bit Rate
- Frame Format
- Concept of Multi Frame for signalling
- Multi Frame Structure
- Frame Alignment Loss/Recovery
CriteriaLine Coding - Requirements of a Line Code
- NRZ Code
- RZ Code
- AMI Code
- HDB3 Code
Delivery Method:
Instructor led classes with some exercises and demonstrations in the lab.
Related Training:
- Fundamentals of
Telecommunications Networks. - Fundamentals of Digital
Transmission. - Introduction to Data
Communication. - Alcatel PDMUX System.
- Alcatel 1515 Cross Connect
System. - Fundamentals of SDH.
