SOLUTIONS
Second Exam
Wireless Communications
ECE4823
Spring 2002
Ingram
Name:_
1. Open book, open notes, calculator allowed.
2. Write answers on answer sheets, one side only, in order.
3. Staple answer sheets to back of this test.
Problem
1
Worth
20
2a
2
REVISED (See Problems 2.5 and 2.6)
ECE 4823
Fall 2005
Homework #2
Date Assigned: 30 August 2005
Date Due: 6 September 2005
_
Reading: Chapter 4, up to and including Section 4.6.
_
Problem 2.1:
How many Erlangs of total voice traffic intensity are generate
ECE 4823 Game Theory and Multiagent Systems
Homework #3
1. Recall BoS, Stag hunt, and Typewriter games from HW#2. Compute all of the NE for these games
(including mixed strategy NE). Note that at the mixed strategy equilibrium, both players are indierent.
ECE4823A
HW5 (Practice/Not to be graded)
Due by Sunday, 7. December 2014
1. A center-fed Hertzian dipole, used for Radar Scanning at f=30 GHz, is excited by
a current Io=10A. If the dipole is /50 in length, determine the maximum radiated
power density at
ECE4823A
Midterm2
Tuesday, 19. November 2014
1. A parallel polarized plane wave is incident from air onto a ferromagnetic medium with
r = 27 and r=3 at the Brewster angle.
(a) What is the refraction angle?
(b) What is the reflection and the transmission c
SOLUTIONS
ECE 4823
Fall 2005
Homework #3
Date Assigned: 6 September 2005
Date Due: 13 September 2005
_
Reading: Sections 4.9 through 4.11
_
Problem 3.1:
Give the wavelength at the following frequencies.
= c / f , where c is the speed of light.
(a) 900 MH
SOLUTIONS
ECE 4823
Fall 2005
Homework #1
Date Assigned: 23 August 2005
Date Due: 30 August 2005
_
Reading: Chapters 1, 2 and Section 3.6.
Note: I sometimes use directly or modify a problem from a textbook. In that event, I
usually indicate the source in p
SOLUTIONS
First Exam
Wireless Communications
ECE4823
Spring 2002
Ingram
Name:_
1. Open book, open notes, calculator allowed.
2. Write answers on answer sheets, one side only, in order.
3. Staple answer sheets to back of this test.
Problem
1a
Worth
15
1b
2
ECE 4823 Game Theory and Multiagent Systems
Homework #2 Solutions
1. FALSE. If A and B are disjoint,
Pr (A B) = 0 = Pr (A) Pr (B)
Think of a single coin, with A being heads, and B being tails.
2. (a) Pr (X = 3) = 1 (.4 + .2 + .1) = 0.3
(b) Pr (X is odd) =
Solutions
Final Exam
Wireless Communications
ECE4823
Spring 2002
Ingram
Name:_
1. Open book, open notes, calculator allowed.
2. Write answers on answer sheets, one side only, in order.
3. Staple answer sheets to back of this test.
Problem
1
Worth
15
2
10
SOLUTIONS
ECE 4823
Fall 2005
Homework #4
Date Assigned: 14 September 2005
Date Due: 20 September 2005
_
Reading: Chapter 5, through Section 5.7.4
_
Problem 4.1: Work problem 5.6 in the book.
For this problem, we need to calculate the rms delay spread. To
ECE 4823 Game Theory and Multiagent Systems
Homework #6 Solutions
1. (a) Construct a two-player game that meets the following specications:
The better reply graph has a cycle (i.e., it does not have the nite improvement
property).
The row player has 2 a
SOLUTIONS
Second Exam
Wireless Communications
ECE4823
Spring 2003
Ingram
Name:_
1.
2.
3.
4.
Open book, open notes, calculator allowed.
Write answers on answer sheets, one side only, in order.
Staple answer sheets to back of this test.
Exams handed in afte
ECE4823
Review for Exam 1
The exam may have one brief essay question and a couple of computational problems.
The problems may have multiple parts. It will cover all that we have covered so far in
the class.
Here are the topics covered on the exam:
Classif
2014 Fall ECE4823A HW4 Solution
1. a=0.9 in. = 0.02286m, b=0.4 in.=0.01016m
Table I. Cutoff Frequency in GHz
n
m
0
1
2
3
0
1
2
3
X
6.56
13.12
19.69
14.76
16.15
19.74
24.60
29.51
30.25
32.30
35.49
44.29
44.77
46.19
48.67
There is no TE00 or TM00 mode in re