EELE 445  Telecommunications Systems
Course Description 

Introduction to analog and digital communication systems with lab. Topics include signals in communications; noise characterizations; bandwidth considerations; probability of error; analog and digital modulation; frequency domain analysis; matched filter applications. Experiments involve modulation, demodulation, A/Ds, sampling theory, and aliasing. (Syllabus) 

Textbook 

"Digital and Analog Communications Systems",8th edition. 

Time & Location 

Roberts Hall 321 

PreRequisites 

EE308  Signal and Systems Analysis 
Weekly Schedule
Introduction   
Shannons law, tower height, information H   
power, energy,time average operator   
Fourier Transform, freq domain   
examples, Fseries from Ftransform   
No Class: Martin Luther King Day   
pwr, E, in freq, autocor psd   
Fourier Series,power problems   
filters, noise, noise power,LTI systems, autocorrelation   
finish filters, equiv BW, discrete time signals   
Bandwidth def, example, FCC specs   
Cardinal series, sampling Theorem, PAM   
sampling PAM concluded   
A/D , PCM, quant noise, companding   
SQNR w/w0 companding   
finish quant noise, SQNR   
Ulaw, Alaw   
 
line codes baseband digital signals   
PSD of baseband signals   
Exam1 short review, finish PSD of baseband signals   
  
eye diagram, clock recovery, Spectral effeciency   
ISINyquist filtering   
  
TDM time division multiplex Finish Ch3   
 
  
 
Complex envelope, modulation   
DSBSC and AM   
SSB and examples   
Superhet Receiver   
FM, PM intro   
FM spectrums   
Bessel fcn, FM modulation index   
Carson's Rule, finish FM   
Digital bandpassOOK, BPSK   
Digital Bandpass signals continued   
Digital Bandpass signals continued   
Digital Bandpass signals continued   
Digital Bandpass signals continued   
Antennas, Path Loss   
University Day Holiday   
 
Noise Figure, Link Budgets   
QFunction, Bit Error RatesBER   
Semester Wrap up   
 
Course Handouts
 Syllabus (PDF)
 Spectrum Wall Chart (PDF)
 Scope manual (PDF 1.8meg)
 FFT module manual (PDF)
 Spectrum Analyzer Manual (PDF 4meg)
Lecture Notes
 Lecture 12 (PDF)
 Lecture 35 (PDF)
 Lecture 67 (PDF)
 Lect 810 (PDF)
 Lect 1113 (PDF)
 Lect 1416 (PDF)
 Lect 1721 (PDF)
 Lect 2224 (PDF)
 Lect 2427 (PDF)
 Lect 2829 (PDF)
 Lect 3032 (PDF)
 Lect 3338 (PDF)
 Lect 3941 (PDF)
Homework
 Homework 1: due 1/17 HW1 (solution 1)
 Homework 2: due 1/24 (HW2) (solution 2)
 Homework 3: due 1/31 (HW3) (solution 3)
 Homework 4: due 2/10 (HW4) (solution 4)
 Homework 5: due 3/7 (HW5) (solution 5)
 Homework 6: due 3/24 (HW6) (solution 6)
 Homework 7: due 3/31 (HW7) (solution 7)
 Homework 8: due 4/11 (HW8) (solution 8)
 Homework 9: due 4/25 (HW9)
Labs
TA: Hari Adithya Angampally, Cobleigh 510
 Lab 1:Introduction to Signals in the Time and Frequency Domain (DOC) (PDF)
 Lab 2: Pulse Signals (DOC) (PDF)
 Lab 3: White noise, H(f) , and a x3 Frequency Multiplier (DOC) (PDF) Lab 3 Report (DOC) (PDF)
 Lab 4: Sampling, Aliasing and PAM using the LM311 (DOC) (PDF) (LM311.pdf)
 Lab 5: An A/D and Quantization Noise (DOC) (PDF) ( Matlab file: EELE44514lab5.m)
 Lab 6: Eye Patterns (DOC) (PDF) ( Eye Diagram App note)
 Lab 7: DSBSC and AM modulation (DOC) (PDF) AM signal analysis (xmcd) (PDF)
 Lab 8: AM Superheterodyne Receiver (DOC) (PDF)
 Lab 9: FM Modulation and Occupied Bandwidth (DOC) (PDF) (Matlab FMsideband power calculator: mfile) (Mathcad fmsidebandcalulator: xmcdfile) (pdf)
 Lab Final. You may review this before the final to be sure you know how to perform the setups (PDF)
Examples and Additional Information:
 Mathcad pulse waveform (xmcd) (pdf)
 Lecture 9 Mathcad Equivalent Bandwidth (xmcd) (pdf)
 Lecture 11 board problems (pdf)
 SQNR for sinwave done in class (pdf)
 Exam 1 Study Guide (pdf)