ATI's Fundamentals of Telecommunications course
This three-day course provides a working knowledge of modern voice, data and video
telecommunication systems. The course is designed for engineers, scientists and managers
who wish to enhance their understanding of telecommunications or become familiar with major
systems engineering and cost trade-offs and issues.
The course provides the analytical fundamentals and trade-off strategies of modern
telecommunications signal processing. The topics are illustrated with worked examples
and case studies including echo cancelers, echo suppressors, adaptive filters, FIR and
IIR filters and speech processing. The integration of commercial COTS systems into military
systems will be discussed.
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What You Will Learn
Dr. Charles Alexander received his B.S, M.S. and PhD in Electrical Engineering from
Lowell Technological Institute, the University of New Hampshire, and the University of Maryland
respectively. He was a radar design and development officer n the USAF. He worked for Harry
Diamond Laboratories (US Army) as an Electrical Engineer in the research and development in
radar sensor division. Since 1978 he has been employed by the Department of Defense as a
Senior Electrical Engineer engaging in various teaching and research projects. Dr. Alexander
is a Senior member of the IEE and has published numerous technical reports in the area of
communication theory, applied signal processing and geolocation techniques.
Contact this instructor (please mention course name in the subject line)
This course will provide you with a working knowledge of telecommunications systems and the
ability to understand the technical and cost trade-offs with upgrading existing systems and
designing new systems.
- Introduction to Telecommunications. Telephone network historical overview.
Basic model for the communication process. Subscriber access to the telephone network.
Telephone channel- Trunk transmission. Telephone switching historical perspective.
Networks and Protocols-public and private. Data Networks-circuit and packet switching.
Integrated Services Digital Networks (ISDN). Wireless and cellular communications.
- Mathematical Framework and Models for Telecommunications and Signal Processing
(TSP) Signal theory and Waveform Properties. Frequency domain representations of
signals and systems. Random signals and stochastic processes. Properties of communication
systems. Distortionless transmission characteristics.
- Principles of Voice and Data Communications. Analog Modulation/Demodulation
(MODEMS) Analog/Dialog (A/D) and Digital/ Analog (D/A) converters. Sampling, quantization
and encoding. Line coding and pulse shaping. Probability of detection and matched filters.
Digital Modulation/Demodulation (MODEMS).
- Fundamentals of Digital Processing. Discrete-time signals and systems. Discrete
Fourier Transform Algorithms. Z-transforms and applications. Digital filter analysis and
design overview. Infinite Impulse Response (IIR) Filters. Finite Impulse Response (FIR) Filters. Digital filter structures and implementations. Finite A/D/ Quantization and wordlength effects.
- Digital Compression of Speech Signals. Speech generation models. Speech
Coders- waveform and source. Adaptive Predicive Coding (APC). Adaptive Differential
PCM (ADPCM). Channel and formant Vocoders. Linear Predictive Coding (LPC). Digital
Speech Interpolation (DSI).
- Telephone Subscriber Loop and Echo Path Models. Echo path models. Echo
Suppression (ES). Adaptive filters. Echo cancelers (EC). EC Baseband and Passband Models.
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