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Using cellular phones as probes. Jean-Luc Ygnace Y.B Yim. Driving forces. More than 60 millions cell phone subscribers The telematics market is organized around cellular communications

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using cellular phones as probes

Using cellular phones as probes

Jean-Luc Ygnace

Y.B Yim

driving forces
Driving forces
  • More than 60 millions cell phone subscribers
  • The telematics market is organized around cellular communications
  • Through the E-911 mandate the carriers must implement Automatic Location Identification (ALI) technologies by October 2001 (network or handset) to handle the 30,000 daily 911 calls
  • Virtually all leading vendors agree the next generation wireless technology will be based on CDMA (datacomm market research)
new challenges
New challenges
  • The cell phone positioning technology can be used to estimate travel times
  • The positioning technology is well suited to be combined with other sources of information (loops, tags, taxi probes, etc.)
the bayarea estimates
The BayArea estimates
  • We evaluate the percentage of cars traveling with a digital cell phone « on » up to 11.6% on the freeway at commuting time
  • Considering a carrier like Cellular One only, this percentage would be around 5%
cost figures
Cost figures
  • (E-911) 800 cell stations x $ 20,000 : $16,000,000
  • (E-911) user charge 65c/ month
  • ~ $15,600,000/year
  • Air time cost estimates : to be done