From Cyber-Physical Systems Integration Group @ DGIST

Lectures: Fall 2012

IC636: Wireless Networks (Fall 2012)

Instructor:
Kyung-Joon Park
Office hours: By appointment, 3-309 DGIST

Textbooks:

• No required textbook

Course Description:
Several major topics related to wireless networking will be covered, including a brief overview of physical layer issues, multiple access, TCP over wireless, and routing protocols for wireless LANs and ad hoc networks, sensor networks, and some security-related issues.

Grading policies:
Exam 70%, Homework 30%

Announcement:

• Reading assignment 1: Submit a summary (including your own opinions) of the paper by Gupta and Kumar in the reading list before the midterm exam.
• Reading assignment 2: Submit your summary on G. Bianchi's paper in the reading list (due: November 6th).
• Homework: Submit your summary why two-hop relay is better than direct communication in mobile ad hoc networks (due: November 13th).
  • Hint: Find "interference-limited" and "distance-limited" in this paper
• The final exam is scheduled at 1 pm, December 20th
• The midterm exam is scheduled at 1:30 pm, October 23rd

Lectures:

• [September 4] Introduction to physical layer issues
• [September 6] Introduction to physical layer issues
• [September 10] Medium access control - Basic MAC protocol (2-hour makeup class)
• [September 11] Medium access control - Slotted access
• [September 13] No class (Global Future Internet Week 2012)
• [September 17] Medium access control - Slotted and unslotted accesses (2-hour makeup class)
• [September 18] Medium access control - Slot size selection
• [September 20] Medium access control - Carrier sense
• [September 24] Medium access control - Collision aviodance (2-hour makeup class)
• [September 25] Medium access control - Tradeoff between carrier sense and transmit power
• [September 27, October 2 and 4] No class (Chuseok)
• [October 9] Medium access control - Virtual CS
• [October 11] Medium access control - Backoff mechanism
• [October 16] Medium access control - Backoff mechanism (cont'd)
• [October 18] Medium access control - Capacity on wireless networks
• [October 23] Midterm exam
• [October 25] No class (midterm exam week)
• [October 30] Invited talks at the opening ceremony of Global CPS Center
• [November 1] Medium access control - Backoff mechanism (cont'd)
• [November 6] Understanding the capacity-delay tradeoff in wireless networks
• [November 8] No class
• [November 13] Medium access control - Fairness issues
• [November 15] Medium access control -Rate and power control
• [November 20] Medium access control -Rate and power control (cont'd)
• [November 22] Throughput-optimal CSMA (guest lecture by Prof. Changhee Joo)
• [November 27] Switch architecture
• [November 29] Scheduling in switches
• [December 4] Basics of wireless scheduling
• [December 6] DGIF 2012
• [December 12] Performance analysis of IEEE 802.11 DCF
• [December 13] Performance analysis of IEEE 802.11 DCF (cont'd)

Reading list:
Network capacity

• P. Gupta and P. R. Kumar, "The capacity of wireless networks," IEEE Trans. on Information Theory, vol. 46, no. 2, March 2000.
• A. E. Gamal, J. Mammen, B. Prabhakar, and D. Shah, "Throughput-delay trade-off in wireless networks," Proc. of Infocom 2004.
• P. Kyasanur and N. Vaidya, "Capacity of multi-channel wireless networks: Impact of number of channels and interfaces," Proc. of MobiCom 2005.

Performance analysis of IEEE 802.11 DCF

• G. Bianchi, "Performance analysis of the IEEE 802.11 distributed coordination function," IEEE J. Select. Areas. Commun., vol. 18, pp. 535-547, Mar. 2000.
• E. Ziouva and T. Antonakopoulos, "CSMA/CA performance under high traffic conditions: throughput and delay analysis," Computer Communications, vol. 25, pp.313-321, 2002.
• K. Duffy, D. Malone, and D. J. Leith, "Modeling the 802.11 distributed coordination function in non-saturated conditions," IEEE Communications Letters, vol. 9, no. 8, Aug 2005.