ELEG 4623/5663 Communication Systems/Communication Theory

Office Hour: Tu. 12:30 - 1:30
Text Book: Digital Communications: Fundamentals and Applications, 2nd Ed., Bernard Sklar, Prentice Hall, 2001.

Announcements

  • (01/18) Class starts on 01/18/2024 (Tue.) at MEEG 216.

Assignments

  • Assignment #1.
    1. p. 51, prob. 1.1, 1.13, 1.14
    2. For a LTI system with impulse response h(t) = rect(t/T), if the input is x(t) = rect(t/T), what is the output?
    Due: 9:30 AM of 1/25.
  • Assignment #2.
    1. p. 51, prob. 1.2, 1.4, 1.5, 1.15
    2. additional question with sample Matlab code
    Due: 9:30 AM of 2/1.
  • Assignment #3.
    p. 101, prob. 2.1, 2.2, 2,4, 2.5, 2.7, 2.8, 2.9, 2.11
    Due: 9:30 AM of 2/8.
  • Assignment #4.
    1. p. 101, prob. 2.14, 2.15, 2.16, 2.18, 2.19 (a)
    2. Sketch the NRZ-M, bipolar RZ waveforms of the following binary sequence:
    0 1 0 0 1 0 1 0 1 1 1
    3. Show the procedure of duobinary encoding and decoding of the above binary sequence.
    Due: 9:30 AM of 2/15.
  • Assignment #5.
    p. 162, prob. 3.1, 3.2, 3.3, 3.4
    Due: 9:30 AM of 2/22.
  • Assignment #6.
    1. p. 162, prob. 3.5, 3.6, 3.7, 3.14
    2. Use Matlab to plot the BER of bipolar signal and unipolar signal as a function of Eb/N0 (use the Matlab function erfc(x) to write your own Q function).
    3. Show the derivation of the matched filter by using the Cauchy-Schwartz inequality with freqeuncy domain analysis
    Due: 9:30 AM of 2/29.
  • Assignment #7.
    1. p. 164, prob. 3.8, 3.9, 3.10, 3.17, 3.18, 3.19 (use Matlab)
    2. Use Matlab to plot on the same figure the time domain responses of Raised cosine filter with r = 0, 0.5, 1, respectively
    3. Use Matlab to plot on the same figure the time domain responses of Square Root Raised Cosine filter with r = 0, 0.5, 1, respectively.
    Due: 9:30 AM of 3/14.
  • Assignment #8.
    1. p. 164, prob. 4.1, 4.2, 4.6, 4.7, 4.8
    2. Draw the block diagram of the correlation receiver for BPSK, derive the maximum likelihood detector, and derive the error probability.
    Due: 9:30 AM of 3/28.
  • Assignment #9.
    1. p. 164, prob. 4.5, 4.9, 4.10 (a),
    2. additional question with sample Matlab code,
    3. Draw the structure of non-coherent receiver of BFSK. Show the detection procedure of a symbol with frequency f_2.
    Due: 9:30 AM of 4/.
  • Assignment #10.
    1. p. 164, 1. 4.12, 4.13, 4.14, 4.16
    2. Draw the BER curve of coherent BPSK, non-coherent BPSK, coherent BFSK, and non-coherent BFSK in the same figure.
    3. p. 299, 5.1, 5.2
    Due: 9:30 AM of 4/11.
  • Assignment #11.
    1. p. 299, 5.6, 5.7, 5.9, 5.17, 5.22(a)
    2. p. 375, 6.8, 6.10
    Due: 9:30 AM of 4/26.

Projects