ECE 5665 Telecommunications | ECE | Virginia Tech


Course Information


Basic concepts in electrical engineering. Waveforms, spectra bandwidth. Fourier series and transform. Decibels, SNR, BER. Analog and digital transmission and modulations. Wire and radio links, link budgets, SNR and BER.

Why take this course?

The Telecommunications sequence offers students enrolled in the Master of Information Technology program the opportunity to learn about modern telecommunication systems and techniques and to broaden their understanding of electronic communication systems with the information technology program.

Learning Objectives

  • Apply Fourier analysis to waveforms and spectra
  • Analyze communication systems using wire, radio and optical fiber links
  • Determine the bandwidth required for transmission of analog and digital signals
  • Analyze wire and radio links using link budgets and decibel units
  • Calculate signal to noise ratios and bit error rates for specific analog and digital communication links

Course Topics


Percentage of Course

1. Basic concepts in electrical engineering 15%
2. Relationship between waveforms, spectra and bandwidth. AC circuits and components, resonance, filters. Frequency domain analysis 20%
3. Signal sources: voice, video and data analog and digital transmission, Decibels Quality measures: Signal to noise ratio, bit error rate 15%
4. Sampling theorem Pulse code modulation speech systems Analog to digital and digital to analog conversion Non-linear encoding for telephony 10%
5. Analog tranmission, amplifiers Digital transmission, repeaters Line codes, filtering 15%
6. Analog and digital modulations 10%
7. Link budgets, thermal noise, carrier to noise ratio Line of sight radio and satellite links, SNR and BER 15%