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CSE802.11

CSE802.11. Summer Readings on Wireless, Ad-hoc, Mobility, Power, Energy…. Why Wireless?. One of the top 3 fastest growing techonology areas wrt stock growth Wireless broadband revenue will grow 140%/year for the next 5 years Gates: “Mobility will be the fastest growing MS business”

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CSE802.11

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  1. CSE802.11 Summer Readings on Wireless, Ad-hoc, Mobility, Power, Energy…

  2. Why Wireless? • One of the top 3 fastest growing techonology areas wrt stock growth • Wireless broadband revenue will grow 140%/year for the next 5 years • Gates: “Mobility will be the fastest growing MS business” • Mobicom ranks 5th on CiteSeer’s “Estimated Impact” above Sosp, Popl, Siggraph, Sigmod, Tocs….

  3. Goal • Educate ourselves in the area • basic vocabulary, problems, areas of research, future directions • Spark discussion, interest, research(?) • We can’t afford to ignore wireless!!

  4. Format • Typical 590 seminar: • Presenter signs up today • Reads the papers • Sends an e-mail 1 week before pointing out paper to be read • Presentation/Debate/Discussion

  5. CSE 802.11 • Based on a list of papers compiled by Victor Bahl for a similar reading group at MSR • Lots of papers and topics removed • Short and Sweet • New papers included • External Presenters: • Jay Lorch (Berkeley, MSR) • Jitu Padhye (UMass, ACIRI, MSR) • External Participation: • Jitu Padhye, Alec Wolman, MSR Interns

  6. Weeks 1 and 2 • 1st Week: Background and Terminology: IEEE 802.11 • laundry list of terms we should know • 802.11 brief introductory paper • 802.11a practical performance evaluation • 2nd Week: Network Capacity • Network capacity problems and its scalability • Classic paper introducing network capacity • Mobility helps network capacity

  7. Weeks 3, 4 and 5 • 3rd Week: MAC Layer Misbehaviors • 802.11 MAC protocol is broken and this is why • 802.11 MAC has these two problems and we have a fix • 802.11 MAC is unfair and we have a fix • 4th Week: • Jay Lorch • 5th Week: Routing Protocols • Comparison of DSDV, TORA, DSR, AODV • destination-sequenced distance vector • temporally-ordered routing algorithm • dynamic source routing • ad hoc on demand distance vector • Paper on GPSR – greedy perimeter stateless routing

  8. Weeks 6, 7 and 8 • 6th Week: Directional Antennas and Associated MACs • MAC protocol for directional antennas • Performance of directional antennas ad hoc networks • 7th Week: Security in Multihop Networks • Laundry list of security problems • 802.11 DOS attacks • Defense against worm-hole attacks • 8th Week: • Jitu Padhye

  9. Week 9 (?) • 9th Week: Multipath Routing Protocols • Performance evaluation and comparison of multipath DSR • Shortest path is not enough • MDVA: dv multipath routing protocol

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