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Research on wireless networks and mobile computing benefits from access to data from real networks and real mobile users. Data captured from production wireless networks (and their users) help us understand how real users, applications, and devices use real networks under real conditions. It is challenging and expensive to collect such data, however, so we established this Community Resource for Archiving Wireless Data At Dartmouth (CRAWDAD) as a place to share these data sets across the research community. We are grateful to all those who have collected these valuable datasets and are willing to share them with others, and to all of our sponsors for their financial and operational support.

The site was originally hosted on Apple XServers from 2004-2014. Here are few snapshots: photo, photo, photo, photo.

Some CRAWDAD statistics (last updated 2019-05-20)

  • 125 datasets
  • 22 tools
  • 14141 users from 126 countries
  • 2869 papers using CRAWDAD datasets or mentioning CRAWDAD

Top 10 datasets (by number of papers using them)

(Please note that from 2nd April 2019 CRAWDAD is migrating from using CiteULike to Mendeley)
  1. cambridge/haggle: 674 papers
  2. dartmouth/campus: 374 papers
  3. epfl/mobility: 328 papers
  4. mit/reality: 250 papers
  5. ncsu/mobilitymodels: 163 papers
  6. roma/taxi: 114 papers
  7. thlab/sigcomm2009: 93 papers
  8. st_andrews/sassy: 92 papers
  9. umass/diesel: 88 papers
  10. upmc/rollernet: 55 papers

CRAWDAD leadership:


We are grateful for the help of our current and previous staff:

  • Patrick Proctor
  • Anna Shubina
  • Jihwang Yeo

and all of our student interns:

  • Dimitrios-Georgios Akestoridis (University of Ioannina)
  • Hugh Cannon (St Andrews)
  • Ruslan Dimov (Dartmouth)
  • Jon Jacobson (Dartmouth)
  • Stephan Johnson (Dartmouth)
  • Kieran Kelk (St Andrews)
  • Dana Malajian (Dartmouth)
  • Robert Muckle-Jones (St Andrews)
  • Constantinos Neophytou (Dartmouth)
  • Pekka Pietikainen (University of Oulu)
  • Alex Riina (Dartmouth)
  • Oleg Seletsky (Dartmouth)

The CRAWDAD logo was designed by Guy Nelson.

About crawdads:

Crawdads are crustaceans also commonly known as crayfish, crawfish or yabbies. See Wikipedia for more information.