INTRODUCTION
To introduce advance topics in digital communications and provide participants with up-to-date knowledge of the techniques used in modern communication systems. Selected topics of interest, such as modulation, multiplexing (FDM, TDM, WDM, CDM), and access techniques (FDMA, TDMA, CDMA, OFDM) and channel coding techniques (block codes and convolutional codes) are presented.
PROGRAM OBJECTIVES
- Understanding the principles, operation, performance and criteria of selecting a digital modulation techniques
- Understanding the principles of various modulation schemes
- Understanding the principles and relative merits of various multiplexing and multiple access techniques
- Comprehending various channel coding techniques for error detection/correction
- Being able to define, design and evaluate complex digital communication systems
WHO SHOULD ATTEND?
- Electrical & Electronic Engineers
- Telecommunication Engineers
- Technical Managers
- Technicians with long experience in the field
PROGRAM OUTLINE
- Overview of Modern Telecommunications Systems
- Information sources and source encoding
- Digital/analog signals; A/D, D/A converters
- Line coding techniques and issues (power, synchronization)
- Communication channel types (wired, wireless, optical, satellite)
- Modulation Schemes
- Why modulation is needed?
- Analog modulation techniques (AM, FM, PM)
- Digital modulation schemes (ASK, FSK, PSK)
- Multi-level modulation schemes
- Combined modulation schemes
- Advanced modulation methods
- Multiplexing/Multiple-Access Schemes (Channelization)
- The need and economy of multiplexing
- Frequency division multiplexing (FDM)
- Wavelength division multiplexing (WDM)
- Time division multiplexing (TDM)
- Code division multiplexing (CDM)
- Channel Coding (Error Protection)
- Noise and inference sources in a communication channel
- Nyquist/Shannon channel capacity calculation approaches
- Decibel concept and calculations
- Establishing reliable data transmission systems
- Channel coding (types of errors, error detection/correction, strategies)
- Block codes (Parity, Hamming distance, power of a code, CRC, checksum)
- Codes for space communications (convolutional codes, Viterbi decoding)
- Performance issues (probability of error, bandwidth efficiency, complexity, delay)
- Complex Communication Systems
- Orthogonal frequency division multiplexing (OFDM)
- Frequency hoping
- Spread spectrum (SS)
- Antenna types and issues
- Use of MATLAB communication tool box: A practical communication systems design, visualization, testing and evaluation with the aid of software tools
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