Digital Telephony
525.408
Course Description
This course examines communication techniques for the transmission of voice over
various transmission channels. Topics include voice digitization; bandwidth
minimization techniques; voice compression techniques; digital modulation and
digital standards;transmission via fiber, terrestrial microwave, and satellite
channels; cellular telephone architectures and networks; and digital switching
architectures and networks.
Syllabus
- Introduction, Telephony Overview
- Waveform Coding
- Delta Modulation, Parametric Coding
- Hybrid Coding, Digital Techniques
- Digital Techniques, Digital Transmission
- Digital Transmission, Cellular Radio
- Mid-term Exam
- Cellular Radio, Microwave Transmission
- Microwave Transmission
- Satellite Transmission
- Fiber Optic Transmission
- Digital Switching Architecture
- ISDN, Review
- Final Exam
Prerequisites
Either an undergraduate degree in electrical engineering, or 525.416
Communication Systems Engineering, or consent of the instructor.
Instructor
Alberto A. Russo works for the Johns Hopkins University Applied Physics
Laboratory, where he is the project manager for the UHF Follow-On Program, which consists
of the procurement of ten geosynchronous satellites with a UHF and EHF payload. He has
been on the faculty of the Johns Hopkins University Whiting School of Engineering since
1993. He teaches the graduate courses satellite communications systems and digital
telephony.
Textbook
Digital Telephony and Network Integration by Bernhard Keiser & Eugene Strange
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Engineering
Fall 1998