ENEE 420 - Communication Systems                                      Fall 2009

 

Instructor:                Richard J. La    - hyongla@isr.umd.edu

Lectures:                  Tu & Th, 2 – 3:15 PM

T.A.:                         Hui Su (hsu@umd.edu)

Course Website:       http://www.ece.umd.edu/~hyongla/Fall09.htm

Required Textbook:  “Communication Systems”, 4th ed. by S. Haykin

Reference:                    “Modern digital and analog communication systems”, 3rd ed. By B. P. Lathi

Review slides for Midterm #1

November 12, 2009 makeup lecture notes

 

Grading:

Homework           -           10 %

Midterm #1          -           25 %    (October 20th, 2009)

Midterm #2          -           25 %    (Scheduled for December 1st, 2009)

Final Exam           -           40 %    (December 17th, 2009, 10:30 AM – 12:30 PM)

 

80 and higher                   -           A

65 – 79                              -           B

50 – 64                              -           C

30 – 49                              -           D

29 and below                     -           F

 

Homework Assignments:                  6 – 7 assignments with 3 – 4 problems each

Instructor Office Hours:                   Monday 9:30 to 11 AM and by appointment

lecture slides

 

 

Course Outline:

 

1.     Introduction

  1. Continuous-wave modulation (Chapter 2)

a.     Amplitude (linear) modulation

                                                       i.      Double-sideband suppressed carrier modulation

                                                     ii.      Single-sideband modulation

b.     Angle modulation

                                                       i.      Phase modulation

                                                     ii.      Frequency modulation

c.      Noise in receiver

  1. Pulse modulation (Chapter 3)

a.     Sampling

b.     Pulse-amplitude modulation

c.      Quantization

d.     Pulse-code modulation

  1. Baseband pulse transmission (Chapter 4)

a.     Matched filter

b.     Error rate caused by noise

c.      Intersymbol interference

d.     Nyquist’s criterion

e.     Optimum linear receiver

f.      Adaptive equalization

  1. Signal-space analysis (Chapter 5)

a.     Geometric representation of signals

b.     Likelihood functions

c.      Maximum likelihood decoding

d.     Probability of error

  1. Passband digital transmission (Chapter 6)

a.     Phase-shift keying

b.     Hybrid amplitude/phase modulation

c.      Frequency-shift keying

d.     Discrete multitone

  1. Spread-spectrum modulation (Chapter 7)

a.     Pseudo-noise sequences

b.     Direct-sequence spread spectrum

c.      Frequency-hop spread spectrum