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Fall 2014

Lectures.Fall2014 History

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  • The final exam is scheduled at 1:30 pm, December 16
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  • The final exam is scheduled at 1:30 pm, December 16
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  • The final exam is scheduled at 1:30 pm, December 16
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  • [December 4] Paper presentation by students
  • [December 9] Paper presentation by students (cont'd)
  • [December 11] Paper presentation by students (cont'd)
  • [December 16] Final exam (1:30 pm)
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  • [November 27] Routing in wireless networks
  • [December 2] Routing in wireless networks (cont'd)
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  • 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 (due: November 18).
  • Homework: Submit your summary why two-hop relay is better than direct communication in mobile ad hoc networks (due: November 20).
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  • 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 (due: November 18 November 25).
  • Homework: Submit your summary why two-hop relay is better than direct communication in mobile ad hoc networks (due: November 20 November 25).
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  • 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).
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  • [November 18] Fixed point analysis of IEEE 802.11 DCF
  • [November 20] No class (DGIF 2014)
  • [November 25] Fixed point analysis of IEEE 802.11 DCF (cont'd)
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  • 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 (due: November 13).
to:
  • 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 (due: November 18).
  • Homework: Submit your summary why two-hop relay is better than direct communication in mobile ad hoc networks (due: November 20).
    • Hint: Find "interference-limited" and "distance-limited" in this paper
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  • [November 6] Switch architecture and switching algorithms
  • [November 10] Wireless scheduling
  • [November 11] Performance analysis of IEEE 802.11 DCF
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  • 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 (due: November 13).
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  • [October 28] Capacity of wireless networks
  • [October 30] Understanding the capacity-delay tradeoff in wireless networks
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  • The midterm exam is scheduled at 10:00 am, October 20
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  • [October 14] Backoff mechanism and fairness issues
  • [October 16] Rate control and power control
  • [October 20] Midterm exam (10:00 am)
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  • [September 23] Tradeoff between carrier sense and transmit power
  • [September 25] Collision avoidance
  • [September 30] Medium access control - Virtual CS
  • [October 2] Medium access control - Backoff mechanism
  • [October 7] No class (IEEE CloudNet 2014)
  • [October 9] No class (Hangul Day (한글날))
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  • 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 25).
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  • [September 18] Carrier sense
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  • 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 23).
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  • 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 23).
Changed line 24 from:
  • Reading assignment 1: Compare the key idea in "No time to countdown paper" with the basic backoff mechanism in the Bianchi's paper. Please submit an one-page summary (due: September 23).
to:
  • 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 23).
Changed line 24 from:
  • Reading assignment 1: Compare the key idea in "No time to countdown paper" with the basic backoff mechanism in the Bianchi's paper. Please submit an one-page summary (due: September 23).
to:
  • Reading assignment 1: Compare the key idea in "No time to countdown paper" with the basic backoff mechanism in the Bianchi's paper. Please submit an one-page summary (due: September 23).
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  • Reading assignment 1: Compare the key idea in "No time to countdown paper" with the basic backoff mechanism in the Bianchi's paper. Please submit an one-page summary (due: September 23).
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  • S. Sen, R. R. Choudhury, and S. Nelakuditi, "No time to countdown: Migrating backoff to the frequency domain," Proceedings of the 17th annual international conference on Mobile computing and networking (MobiCom '11), 2011.
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  • 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.
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CSMA

  • S. Sen, R. R. Choudhury, and S. Nelakuditi, "No time to countdown: Migrating backoff to the frequency domain," Proceedings of the 17th annual international conference on Mobile computing and networking (MobiCom '11), 2011.
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  • [September 2] Introduction to physical layer issues
  • [September 4] Introduction to physical layer issues (cont'd)
  • [September 9] No class (Chuseok (민족최대의 명절인 추석))
  • [September 11] Medium access control - Basic MAC protocol
  • [September 16] Medium access control - Slotted and unslotted accesses, slot size selection
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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.
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Page last modified on October 26, 2015, at 08:18 PM EST