Communication Systems I (HB)

Topic outline

• General
  
  

  General

  Instructor

  

  Contact Information

  Email:	huseyin.bilgekul@emu.edu.tr
  Office:	Room: EE207. Dept. of Electrical & Electronic Eng., EMU
  Telephone:	+90 (392) 630 1333      Fax:+90 (392) 365 0240
  Mail:	Dept. of Electrical & Electronic Eng., Eastern Mediterranean University, Gazimagosa-KIBRIS, Mersin-10, Turkey

  • News forum
• Topic 1
  
  

  Topic 1

  Course Learning Outcomes:

  • Compute the DC, RMS, autocorrelation function and PSD of a deterministic signal
  • Generate naturally sampled and flat-top sampled PAM signals
  • Understand quantizing and PCM signals bandwidth and bit rate calculations
  • Differentiate between various line codes and their spectra
  • Investigate pulse shaping criteria for zero ISI
  • Understand the basic blocks of a superheterodyne  receiver
  • Study amplitude and angle modulation and demodulation of analog signals

  • Course Description File
• Topic 2
  
  

  Topic 2

  Course objectives, course description, an introduction to communication systems.

  • Lecture Notes - Introduction I File
  • Lecture Notes - Introduction II File
• Topic 3
  
  

  Topic 3

  Properties of signals and noise, Fourier Transform and properties of the Fourier Transform. Power spectral density and autocorrelation function, Fourier series expansion and linear systems. Band-limited signals and the Sampling Theorem. Discrete Fourier Transform (DFT), bandwidth requirement of signals.

  • Lecture Notes - Signals and Spectra File
  • Lecture Notes - Fourier Trans. and Spectra 1 File
  • Lecture Notes - Fourier Trans. and Spectra 2 File
  • Lecture Notes - PSD and Autocorrelation File
  • Lecture Notes - Fourier Series and PSD File
  • Lecture Notes - Review of Linear Systems File
  • Lecture Notes - Ideal Sampling File
  • Lecture Notes - Discrete Fourier Transform File
  • Lecture Notes - Signals and Spectra File
  • Solved Problems I File
  • Solved Problems II File
• Topic 4
  
  

  Topic 4

  Pulse Amplitude Modulation (PAM) employing natural sampling and flat-top PAM. Reconstruction from PAM and equalization. Pulse Code Modulation (PCM): Sampling, quantizing and encoding, bandwidth requirement of PCM, quantization noise, binary line coding. Line codes and their spectra, regenerative repeaters and bit synchronization. Inter-symbol Interference (ISI), Nyquist’s method for zero ISI and roll-off filtering. Time-division multiplexing (TDM) and TDM hierarchy, frame synchronization.

  • Lecture Notes - PAM and Flat-top PAM File
  • Lecture Notes - Pulse Code Modulation File
  • Lecture Notes - PCM Noise, Companding File
  • Lecture Notes - Digital Signaling File
  • Lecture Notes - Line Codes and Spectra File
  • Lecture Notes - Differential Encoding File
  • Lecture Notes - Intersymbol Interference File
  • Lecture Notes - TDM and Packet Trans. File
  • Solved Problems I File
  • Solved Problems II File
• Topic 5
  
  

  Topic 5

  Complex envelope representation of bandpass and modulated signals, spectrum and power of bandpass and modulated signals. Radio Frequency (RF) components: limiters, mixers, up and down converters, frequency multipliers, etc. Detector circuits: Envelope detector, product detector, frequency detector, PLL. Generalized transmitters and receivers: The superheterodyne principle.

  • Lecture Notes - Bandpass Signalling File
  • Lecture Notes - Bandpass Signals and Systems File
  • Lecture Notes - Bandpass Circuits File
  • Lecture Notes - General Transmitters and Receivers File
  • Lecture Notes - Transmitter and Receiver Applications File
  • Solved Problems I File
  • Solved Problems II File
• Topic 6
  
  

  Topic 6

  Amplitude modulation (AM), Double-Sideband Suppressed Carrier (DSBSC) and asymmetric sideband signals (SSB, VSB). Phase and frequency modulated signals (FM, PMAmplitude modulation (AM), Double-Sideband Suppressed Carrier (DSBSC) and asymmetric sideband signals (SSB, VSB). Phase and frequency modulated signals (FM, PM).

  • Lecture Notes - Amplitude Modulation Techniques File
  • Lecture Notes - Phase and Frequency Modulation File
  • Lecture Notes - Binary Modulation Techniques File
  • Solved Problems I File
  • Solved Problems II File
• Topic 7
  
  

  Topic 7
• Topic 8
  
  

  Topic 8