June 24, 2017
June 24, 2017
June 28, 2017
DIGITAL COMMUNICATION AS THE FIRST COURSE IN UNDERGRADUATE TELECOMMUNICATION ENGINEERING TECHNOLOGY PROGRAM Abstract The telecommunication and networking industry has undergone transformation from analog to digital in the recent past on a very big scale but the classroom education has lagged behind. Computers have come in front of all communication interfaces and the analog modulation and demodulation in amplitude, frequency and phase now have only conceptual values. There is a need for a first course that not only teaches basic concepts of telecommunication but also the digital communication principles and practices. The proposed course combines the fundamental concepts of frequency spectrum of signals and noise, multiplication of signals, filtering, oscillators and the voltage control of their frequency, phase locked loop, frequency synthesis and conversion, antenna analysis and design with the concepts of bandwidth of digital signals, analog to digital conversion, multiplexing of digital signals, coding, digital modulation, and multiple-access communication techniques. In this course, emphasis is put on design and simulation of digital transmitter and receiver engines, which is shown below, interjecting the techniques of over-the-Internet communication, and the introduction of Internet of Things (IoT) to effect long distance monitoring and task execution. As an approach for application, a small project is also assigned to students so they select their own interesting topics to build. Then, they give us a presentation at the end of the semester. Text file Tx Text file Rx Channel MICRO/ MATLAB/ SIMULINK Communication Tx-Engine Serial Communication Pipe Text to binary data serial stream Binary data stream to Text Serial Communication Pipe Ext. Serial data input USB to RS-232 Ext. Serial data output USB to RS-232 Speech signal Tx Serial A-D MUX DMUX Speech signal Rx Serial D-A MICRO/ MATLAB/ SIMULINK Communication Rx-Engine Serial Communication Pipe MICRO/MATLAB/ SIMULINK Communication Tx Engine Root Raised Cosine Filter Modulation Tx-Antenna Source Encoding Root Raised Cosine Filter DemodulationRx -Antenna Error Detection and Correction decoding MICRO/MATLAB/ SIMULINK Communication Rx Engine While they search for all possible topics related to digital communications area, they can get an opportunity to find out more information about new technologies. As a result, it encourages them to participate more in real word technologies. The proposed course has been put to test in the classroom. The paper will present the detailed syllabus comprising of week-wise lecture topics and the laboratory exercises, and student project topic list and the student satisfaction survey, student’s feedback at the end of the class and instructor’s self-assessment.
Agrawal, J. P., & Lee, Y., & Farook, O. (2017, June), Digital Communication as the First Course in Undergraduate Telecommunication Engineering Technology Program Paper presented at 2017 ASEE Annual Conference & Exposition, Columbus, Ohio. https://peer.asee.org/28180
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