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J.J. Garcia-Luna-Aceves (PI) Hamid Sadjadpour Katia Obraczka Muriel Medard Andrea Goldsmith PowerPoint Presentation
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J.J. Garcia-Luna-Aceves (PI) Hamid Sadjadpour Katia Obraczka Muriel Medard Andrea Goldsmith Pravin Varaiya Rajive Bagrodia Mario Gerla Jennifer Hou Nitin Vaidya Tony Ephremides. UCSC: MIT: Stanford University: UC Berkeley: UCLA: UIUC: University of Maryland:.

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slide1

J.J. Garcia-Luna-Aceves (PI)

Hamid Sadjadpour

Katia Obraczka

Muriel Medard

Andrea Goldsmith

Pravin Varaiya

Rajive Bagrodia

Mario Gerla

Jennifer Hou

Nitin Vaidya

Tony Ephremides

UCSC:

MIT:

Stanford University:

UC Berkeley:

UCLA:

UIUC:

University of Maryland:

http://www.soe.ucsc.edu/research/ccrg/DAWN

agenda
Agenda
  • 7:30 Registration and breakfast
  • 8:00 Welcome and introductions
  • 8:10 ARO Remarks (Bob Ulman, ARO)
  • 8:40 DAWN overview (J.J. Garcia-Luna-Aceves, UCSC)
  • 9:00 Cross-Layer issues and fundamental results on performance

(Anthony Ephremides, Maryland)

  • 9:30 Cooperation and cross-layer design in wireless networks

(Andrea Goldsmith, Stanford)

  • 10:00Coffee break
  • 10:15 Analysis of link and path dynamics in MANETs

(Hamid Sadjadpour, UCSC)

  • 10:45 Modeling and control of information flow patterns

(Pravin Varaiya, UC Berkeley)

  • 11:15 Using multiple channels and spatial backoff to improve

wireless network performance (Nitin Vaidya, UIUC)

  • 11:45 Power, carrier sense threshold, and rate control (Jennifer Hou, UIUC)
  • 12:15 Scaling issues for multi-paradigm network modeling (Rajive Bagrodia, UCLA)
  • 12:45Lunch break (start again at 1:45 pm)
agenda 2
Agenda (2)
  • 1:45 Robust wireless multicast using network coding

(Mario Gerla, UCLA)

  • 2:15 Network coding for multicating and unicasting in MANETs

(Muriel Medard, MIT)

  • 2:45Coffee break
  • 3:00 Energy efficiency in MANETs

(Katia Obraczka, UCSC)

  • 3:30 Towards a new routing framework for MANETs

(J.J. Garcia-Luna-Aceves, UCSC)

  • 4:00 Conclusions

(J.J. Garcia-Luna-Aceves, UCSC)

  • 4:15Government caucus
  • Feedback to DAWN team
motivation
Motivation
  • Wireless networks in the battlefield are highly dynamic, and they are very different than the Internet and wireless LANs.
  • However,
    • Network control is based on algorithms designed for graphs with point-to-point links in which interference is confined to each link.
    • No good understanding of the effects of the physical layer on protocol stack.
    • No good handle on self-configuring and robust protocols.
    • Mobility and interference are poorly understood.
    • Wireless spectrum is utilized poorly, based on fixed allocation of resources.
    • Protocol layers have been designed in isolation.
slide5

A “Science of Networking”

fundamental limits

logic

analytical models

Lower-bound

Upper-bound

simulations

APPLICATION

collaborative applications…

TRANSPORT

end-to-end transport protocols…

NETWORK

routing-structure

maintenance

opportunistic

packet forwarding

interconnection

LINK

synchronization

transmission

scheduling

neighborhood

discovery

PHYSICAL

Antennas, radios

protocols and architectures

Technical Approach

What is the performance of specific protocols with a specific PHY?

What is the best that we can possibly do?

Is the protocol correct?

technical approach

IMPACT

RESULTS

Training and

placement

of students

analytical

models

Fundamental

limits

Models, protocols, and

code used by other

groups

Analytical

modeling

realistic

simulations

Models and

protocols from

other groups

Large-scale, high-fidelity

simulations

Better MANETs for DoD and commercial applications

  • Modular protocol stack
  • Cross-layer optimized, energy
  • efficient, fault-tolerant,
  • self-configuring

reports, papers,

software in web page,

input to standards

Technical Approach

RESEARCH

project structure
Project Structure

DAWN

JJ Garcia-Luna-Aceves

(PI)

Task 1:

A. Ephremides

(Task Leader)

JJ Garcia-Luna-Aceves

A. Goldsmith

M. Medard

H. Sadjadpour

P. Varaiya

Task 2:

A. Goldsmith

(Task Leader)

R. Bagrodia

M. Gerla

M. Medard

K. Obraczka

H. Sadjadpour

N. Vaidya

P. Varaiya

Task 3:

JJ Garcia-Luna-Aceves

(Task Leader)

M. Gerla

J. Hou

K. Obraczka

N. Vaidya

J. Hou

Task 4:

K. Obraczka

(Task Leader)

JJ Garcia-Luna-Aceves

M. Gerla

A. Goldsmith

J. Hou

M. Medard

P. Varaiya

Task 5:

J. Hou

(Task Leader)

R. Bagrodia

K. Obraczka

Task 6:

P. Varaiya

(Task Leader)

A. Ephremides

summary of scientific progress
Summary of Scientific Progress
  • 19 journal papers published or accepted for publication.
    • ACM WINET, ACM/IEEE Trans. Networking, IEEE Trans. Comm., IEEE Trans. Wireless Comm., ACM Trans. Sensor Networks, Computer Communications, Ad Hoc Networks
  • 35 peer-reviewed papers in conference proceedings
    • ACM Mobicom, ACM Mobihoc, ACM SIGCOMM, IEEE Infocom, IEEE WiOpt, IEEE MASS, IEEE Qshine, IEEE ICC, IEEE IPSN
  • One Best Paper Award (IEEE MASS 2005)
  • 8 Invited papers
  • 12 manuscripts
  • 13 Ph.D. theses completed, at least 2 graduates with faculty positions
  • Active and growing intercampus collaboration (e.g., UCLA-MIT, UCLA-UCSC, Stanford-MIT)
summary of scientific progress 2
Summary of Scientific Progress (2)
  • More accurate treatments of the effects of the physical layer in the protocol stack
  • First analytical models that accurately reflect the impact of node mobility in links and paths
  • New approaches on how MAI should be treated
  • New modeling tools for the characterization of energy consumption in MANETs
  • New performance trade-offs involving node complexity, node mobility, packet length, channel utilization, and delay.
  • First results on network coding applied to unicasting and multicasting in MANETs
  • The first algorithm for on-demand routing that operates solely with source-originated sequence numbers
  • New approaches to information dissemination
  • New optimization techniques for large-scale simulations
agenda1
Agenda
  • 7:30 Registration and breakfast
  • 8:00 Welcome and introductions
  • 8:10 ARO Remarks (Bob Ulman, ARO)
  • 8:40 DAWN overview (J.J. Garcia-Luna-Aceves, UCSC)
  • 9:00 Cross-Layer issues and fundamental results on performance

(Anthony Ephremides, Maryland)

  • 9:30 Cross-layer interaction, robustness, and cooperative communication

(Andrea Goldsmith, Stanford)

  • 10:00Coffee break
  • 10:15 Analysis of link and path dynamics in MANETs

(Hamid Sadjadpour, UCSC)

  • 10:45 Modeling and control of information flow patterns

(Pravin Varaiya, UC Berkeley)

  • 11:15 Using multiple channels and spatial backoff to improve

wireless network performance (Nitin Vaidya, UIUC)

  • 11:45 Power, carrier sense threshold, and rate control (Jennifer Hou, UIUC)
  • 12:15 Scaling issues for multi-paradigm network modeling (Rajive Bagrodia, UCLA)
  • 12:45Lunch break (start again at 1:45 pm)
agenda 21
Agenda (2)
  • 1:45 Robust wireless multicast using network coding

(Mario Gerla, UCLA)

  • 2:15 Network coding for multicating and unicasting in MANETs

(Muriel Medard, MIT)

  • 2:45Coffee break
  • 3:00 Energy efficiency, robustness and mobility models in MANETs

(Katia Obraczka, UCSC)

  • 3:30 Towards a new routing framework for MANETs

(J.J. Garcia-Luna-Aceves, UCSC)

  • 4:00 Conclusions

(J.J. Garcia-Luna-Aceves, UCSC)

  • 4:15Government caucus
  • Feedback to DAWN team