Apr 26, 2024  
2015-2016 Undergraduate Academic Catalog 
    
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2015-2016 Undergraduate Academic Catalog [ARCHIVED CATALOG]

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ET 4620 - Data Communications

4 lecture hours 0 lab hours 4 credits
Course Description
The concepts needed to understand the increasingly important field of data communications and networking are presented in this course. The course begins with a review of the characteristics of analog and digital messages, and A-to-D conversion. The course reviews AM and FM, and presents frequency-domain signal characteristics and modulations with digital messages (ASK, FSK, and PSK). Orthogonal signaling and multiplexing are presented. The principles associated with data communication, transmission media, interfaces, error control, flow control, synchronization, circuit-switching and packet-switching are investigated. Ethernet as a LAN configuration is studied. The course concentrates on the physical and data link layers of communication links and networks. The student examines the various options available in networks and systems. Commonly used protocols are emphasized. (prereq: EE 3001B  or ET 3051 )
Course Learning Outcomes
Upon successful completion of this course, the student will be able to:
  • Determine the mathematical expressions, the time-domain waveforms, the spectrum representations and the parameters (modulation index, carrier and sideband powers, bandwidth) of AM and FM signals.
  • Explain the time-domain and frequency-domain representations of digitally modulated ASK, FSK, and PSK communication signals.
  • Describe the terms used in data communications, including standards, LANs, WANs, the Internet, and TCP/IP
  • Describe data communications concepts including flow control, error control, multiplexing, signal transmission, and interfacing.
  • Describe data communication networking concepts such as topologies, circuit switching versus packet switching, and medium access techniques such as CSMA/CD and Token Ring.
  • Specify appropriate transmission media and data network configurations for particular applications.
Prerequisites by Topic
  • Digital logic.
  • Frequency-domain signal representations.
  • Noise concepts and modulation.
  • Digital signals and analog-digital conversion, including sampling.
Course Topics
  • Analog and digital signal characteristics, A-to-D conversion, bandwidth, Nyquist and Shannon limits (3 classes)
  • Modulation - AM, FM, ASK, FSK, PSK (7 classes)
  • Orthogonal signaling, multiplexing, multiple-access (3 classes)
  • Basic data communications, networks, network services, and architectures. (3 classes)
  • Guided and unguided data transmission links and media, transmission impairments, error detection and correction. (6 classes)
  • Error control and flow control concepts, data link protocols: stop-and-wait . (1 class)
  • Local area networks, random and scheduled medium-access techniques. (4 classes)
  • Wireless cellular networks. (1 class)
  • LAN standards (3 classes)
  • Data-transfer mechanisms in packet-switched networks, TCP/IP. (4 classes)
Coordinator
Edward Chandler


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