Fall 2015

• [December 8] Paper presentation by students (cont'd) (Class begins at 1 pm)

• [December 1] No class (Visit from IITP to check the progress of Resilient CPS Research Center)

• [December 1] No class
• [December 3] Routing in wireless networks and paper presentation by students (Class begins at 1 pm)

• [December 1] Routing in wireless networks

• [November 24] Fixed point analysis of IEEE 802.11 DCF (cont'd) and routing in wireless networks
• [November 26] No class (Civil Defense)

• Reading assignment 2: Summarize the key differences between the single-hop model in "On the capacity of wireless CSMA/CA multihop networks" and that in the paper by G. Bianchi (December 10).
• Homework: Submit your summary why two-hop relay is better than direct communication in mobile ad hoc networks (December 10).

• Reading assignment 2: Summarize the key differences between the single-hop model in "On the capacity of wireless CSMA/CA multihop networks" and that in the paper by G. Bianchi (December 3).
• Homework: Submit your summary why two-hop relay is better than direct communication in mobile ad hoc networks (December 3).

• Reading assignment 2: Summarize the key differences between the single-hop model in "On the capacity of wireless CSMA/CA multihop networks" and that in the paper by G. Bianchi (December 3).
• Homework: Submit your summary why two-hop relay is better than direct communication in mobile ad hoc networks (December 3).
  • Hint: Find "interference-limited" and "distance-limited" in this paper
• Homework: Carry out simulation of the Bianchi's model when m = 1 with small numbers of the backoff window size (due: Before the final exam).

• [November 5] No class
• [November 6] Switch architecture and switching algorithms (makeup class)

• [November 12] Wireless scheduling
• [November 17] Wireless scheduling (cont'd) and performance analysis of IEEE 802.11 DCF
• [November 19] Fixed point analysis of IEEE 802.11 DCF
• [November 24] Fixed point analysis of IEEE 802.11 DCF (cont'd)
• [November 26] Routing in wireless networks
• [December 1] Routing in wireless networks (cont'd)

• [December 3] Paper presentation by students
• [December 8] Paper presentation by students (cont'd)
• [December 10] Paper presentation by students (cont'd)

• [November 10] No class (2015 MathWorks Asian Research Faculty Summit)
• [November 12]
• [November 17]
• [November 19]
• [November 24]
• [November 26]
• [December 1]
• [December 3]
• [December 8]
• [December 10]
• [December 15] Final exam

• [November 3] No class (2015 MathWorks Asian Research Faculty Summit)

• [November 6] Wireless scheduling (makeup class)

• [October 27] Capacity of wireless networks
• [October 29] Understanding the capacity-delay tradeoff in wireless networks
• [November 3] No class (ACM SenSys 2015)
• [November 5] Switch architecture and switching algorithms

• Ye Tian, Kai Xu, and Nirwan Ansari, "TCP in wireless environments: Problems and solutions," IEEE Communications Magazine, vol. 43, no. 3, March 2005.

• [September 29] No class (Chuseok (민족최대의 명절인 추석 연휴))

• [October 15] Rate control and power control
• [October 20] Midterm exam

• [October 5] Special lecture on battery management of smart devices by Prof. Kyunghan Lee at UNIST

• [October 5] Special lecture on battery management of smart devices by [https://sites.google.com/site/khanleepage/| Prof. Kyunghan Lee at UNIST]

• [September 29] No class (Chuseok (민족최대의 명절인 추석))
• [October 1] Transmission opportunity and throughput with carrier sensing
• [October 5] Special lecture on battery management of smart devices by Prof. Kyunghan Lee at UNIST
• [October 6] Medium access control - Backoff mechanism
• [October 8] No class
• [October 13] Backoff mechanism and fairness issues

• [September 24] Medium access control - Virtual CS

• [September 22] No class

• Homework: In each case of the slotted and unslotted basic MAC protocols, calculate the optimal value of n (number of hosts) that attains the maximum throughput when the channel access probability p is fixed (due: October 1).

• Homework: In each case of the slotted and unslotted basic MAC protocols, calculate the optimal value of n (number of hosts) that attains the maximum throughput when the channel access probability p is fixed (due: September 29).

• [September 18] Collision avoidance (makeup class)

• [September 15] Carrier sense
• [September 17] Tradeoff between carrier sense and transmit power
• [September 18] Collision avoidance ( makeup class)

• Reading assignment 1: Compare the key idea in "No time to countdown: Migrating backoff to the frequency domain" with the basic backoff mechanism in the Bianchi's paper. Please submit an one-page summary (due: September 24).

• [September 1] Introduction to physical layer issues
• [September 3] Introduction to physical layer issues (cont'd)
• [September 8] Medium access control - Basic MAC protocol
• [September 10] Medium access control - Slotted and unslotted accesses, slot size selection

CSMA

• S. Sen, R. R. Choudhury, and S. Nelakuditi, "No time to countdown: Migrating backoff to the frequency domain," ACM MobiCom 2011, Las Vegas, Nevada, USA, September 2011.

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," IEEE INFOCOM 2004.
• P. Kyasanur and N. Vaidya, "Capacity of multi-channel wireless networks: Impact of number of channels and interfaces," ACM 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.
• Rafael Laufer and Leonard Kleinrock, "On the capacity of wireless CSMA/CA multihop networks," IEEE INFOCOM 2013, Turin, Italy, April 2013.

TCP

• A. Afanasyev, N. Tilley, P. Reiher, and L. Kleinrock, "Host-to-host congestion control for TCP," IEEE Communications Surveys & Tutorials, vol. 12, no. 3, 2010.
• Ye Tian, Kai Xu, and Nirwan Ansari, "TCP in wireless environments: Problems and solutions," IEEE Communications Magazine, vol. 43, no. 3, March 2005.