Mobile Computing and Systems: Where is the Tofu?

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Mobile Computing and SystemsWhere is the Tofu?

• Jie Wu
• Computer and Network Systems
• Computer Information Science Engineering
• National Science Foundation
• jwu_at_nsf.gov

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Federal Government Support

• National Coordination Office (NCO)
• Networking and Information Technology Research
  and Development (NITRD)
• NSF (107M, 2008 request)
• DoD (138M)
• NIH (65M)
• DARPA (42M)
• DOE (49M)
• NSA (1M)
• NASA (2M)
• NIST (5M)
• AHRQ (5M)
• NOAA (3M)

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ACI

• American Competitiveness Initiative (Feb. 2006)

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NSF NeTS Cluster
www.cise.nsf.gov
Networking Broadly Defined (NBD)
Darleen Fisher (dlfisher_at_nsf.gov)
Future Internet Design (FIND)
Wireless Networks (WN)
Networking of Sensor Systems (NOSS)
David Du (ddu_at_nsf.gov)
Allison Mankin (amankin_at_nsf.gov)
Jie Wu (jwu_at_nsf.gov)
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WN Program

• Wireless Networks (WN) (2007 solicitation)
• Network types
• Cellular, WLAN, ad hoc, mesh, delay-tolerant,
  vehicular networks, etc.
• Application-based problems
• Location-based services, health care, emergency
  services, education, banking, transportation,
  etc.
• Wireless network architecture
• Phenomena of wireless communication
• Mobility modeling, spectrum occupancy,
  interference modeling, etc.
• Technology-oriented projects
• Cooperative comm., media access, routing, etc.

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Other Programs

• NOSS (Network of Sensor Networks)
• ORIEN (Ocean Research Interactive Observatory
  Networks)

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Some Challenges

• Future world being more wireless and mobile
• Complexity and diversity
• New challenges for architecture and protocol
  design
• From top more demand from the end user
• (e.g., mobility support)
• From bottom emerging technologies
• (e.g., new abstraction for wireless links)

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Complexity and Diversity

• Different applications
• Vehicular applications
• Content-sharing
• Mobile external sensing
• Mobile ad-hoc services
• Emergency applications
• Mobile social networks

• Different types
• Wireless mobile ad hoc
• Sensor
• Underwater acoustic
• Underground
• Delay/disruption tolerant
• Aerial and ground vehicular

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Basic Science Engineering

• E.g. Mobility affects network model/protocol
• Time-space view vs. space view
• View consistency in asynchronous systems
• Wu Dai (IEEE Network05) function of multiple
  views
• Evolving graph model connectivity routing
• Ferreira (IEEE Network04), two papers in
  CHANTS07
• Managing complexity reduction from time-space to
  space
• (L. J. Guibas Finding stability, amidst
  motion and change)

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Basic Science Engineering

• E.g. Wireless channel model and its impact on
  network protocol design
• Existing models
• 0/1 connectivity models
• Packet collision models
• SINR based model
• MobiCom/MobiHoc Keynote Address by David Tse
• Breaking the Interference Barrier

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Recent NSF Workshops

• Mobility in Wireless Networks
• Challenges and Opportunities
• http//netlab.cs.ucla.edu/mwnet/usemod10/wiki.
  cgi?Main
• Bridging the Gap
• Wireless Networking Technologies and Advances
  at the Physical Layer
• http//www.ece.vt.edu/thou/NSF_Workshop/agend
  a.html

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Interdisciplinary Research

• Dialog amongst different research communities

NSF workshop on Bridging the Gap
Advances/Breakthroughs
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Interactions

• Academia-Industry-Government

Problems/Fund/Solutions
http//www.ece.iit.edu/nsfwmpi/
NSF wireless PI meeting
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