ELEC 463/ ELEC 6851
ASSIGNMENT 1
Due Date: February 10, 2012
Question 1. Consider the state transition diagram for Stop-and-Wait ARQ in Figure
5.12 in the textbook. Let P f denote the probability of frame error in going from station A
to station B and let
ELEC 463/ ELEC 6851
ASSIGNMENT 2
Due Date: March 26, 2010
Question 1.
From the textbook: Exercises 5.16
Question 2. A 128,000bytes message will be transmitted from the source to the
destination in the network shown below. Assume that the signal propagates
Communication Networks (2nd Edition)
Chapter 2 Solutions
Solutions to Chapter 2 (Note: solution to Problem 62 to be added)
1. Explain how the notion of layering and internetworking make the rapid growth of applications such as the World Wide Web possible.
Communication Networks (2nd Edition)
Chapter 3 Solutions
Solutions to Chapter 3
1. Suppose the size of an uncompressed text file is 1 megabyte. Solutions follow questions: a. How long does it take to download the file over a 32 kilobit/second modem?
T32k
Communication Networks (2nd Edition)
Chapter 4 Solutions
Solutions to Chapter 4
1. A television transmission channel occupies a bandwidth of 6 MHz. Solutions follow questions: a. How many two-way 30 kHz analog voice channels can be frequency-division mult
Communication Networks (2nd Edition)
Chapter 5 Solutions
Solutions to Chapter 5
Version 1.01 (list of changes on last page)
1. Explain the difference between connectionless unacknowledged service and connectionless acknowledged service. How do the protoco
Communication Networks (2nd Edition)
Chapter 6 Solutions
Solutions to Chapter 6
1. Why do LANs tend to use broadcast networks? Why not use networks consisting of multiplexers and switches? Solution: The computers in a LAN are separated by a short distance
Communication Networks (2nd Edition)
Chapter 7 Solutions
Solutions to Chapter 7
7.1. Explain how a network that operates internally with virtual circuits can provide connectionless service. Comment on the delay performance of the service. Can you identify
Communication Networks (2nd Edition)
Chapter 8 Solutions
Solutions to Chapter 8
8.1. The IP header checksum only verifies the integrity of IP header. Discuss the pros and cons of doing the checksum on the header part versus on the entire packet. Solution:
Communication Networks (2nd Edition)
Chapter 9 Solutions
Solutions to Chapter 9
9.1. Suppose that instead of ATM, BISDN had adopted a transfer mode that would provide constant-bitrate connections with bit rates given by integer multiples of 64 kbps connec
Communication Networks (2nd Edition)
Chapter 10 Solutions
Solutions to Chapter 10
10.1. Can all traffic in an IntServ router be of guaranteed service type? Explain. Solution: All the traffic can be of guaranteed service only if all the flows are shaped an
Communication Networks (2nd Edition)
Chapter 1 Solutions
Solutions to Chapter 1
1a. Describe the step-by-step procedure that is involved from the time you deposit a letter in a mailbox to the time the letter is delivered to its destination. What role do n
ELEC 463 / 6851
ASSIGNMENT 3
Due Date : April 9, 2010
1.
Exercise 6.4
2.
Exercise 6.5
3.
Exercise 6.14b
4.
Consider Aloha protocol and assume that in addition to collisions a message
may also experience bit errors due to noise. Message lengths are L bits
ELEC 463/ 6851
ASSIGNMENT 1
Due Date: March 5, 2010
1.
In a T1 carrier there are 193 bits in a frame and the first bit is the framing bit.
This bit alternates between 0 and 1. Given that each data bit is 1 or 0 with
probability q and 1-q independent of th
Course
Number
Telecommunication Networks
Examination
Section
ELEC 463 / ELEC 6851
Date
Final Exam
Time
3 Hours
# of pages
3
Instructor (s)
Dr. M. Mehmet Ali
Material allowed :
Calculators allowed :
X
No
No
Yes
X
Yes
Special Instructions:
Attempt all six q
Course
Number
Telecommunication Networks
Examination
ELEC 6851
Date
Final Examination
Section
December 7, 2005
Time
3 Hours
# of pages
2
Instructor (s)
Dr. M. Mehmet Ali
Material allowed :
Calculators allowed :
X
No
No
Yes
X
Yes
Special Instructions:
Atte
Course
Number
Telecommunication Networks
Examination
ELEC 6851
Date
Final Examination
Section
December 7, 2005
Time
3 Hours
# of pages
2
Instructor (s)
Dr. M. Mehmet Ali
Material allowed :
Calculators allowed :
X
No
No
Yes
X
Yes
Special Instructions:
Atte
Question 1. Give a comparison of circuit and packet-switched networks and discuss
suitability of each for the transmission of voice and data .
Note: Write the comparison in a point form.
(20 points)
Question 2. Draw and describe SONET STS-1 frame format a
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
CONCORDIA UNIVERSITY
TELECOMMUNICATION NETWORKS
ELEC 463/6851
MIDTERM
March 13, 2009
Time: 120 minutes
Closed Book
Question 1. Draw and describe SONET STS-1 frame format and explain how
synchronous payload
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
CONCORDIA UNIVERSITY
TELECOMMUNICATION NETWORKS
ELEC 463/6851
MIDTERM
March 11, 2011
Time: 120 minutes
Closed Book
Q1. ( 15 pts) Give a comparison of circuit and packet-switched networks and discuss
suitab