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U.S.
Department of Transportation
Research
and Innovative Technology Administration
Communications Network Options and Analysis
to Date
Cellular Network
Advantages
Current privacy limitations are known and accepted through an opt-in
option
Cellular network in place
In theory, meets the requirement to assure daily
access to certificates
Limitations and Questions
Does not support privacy framework as it allows tracking and
recording; can identify users
Usage is subscription-based
Lacks broadcast capabilities; existing networks
would require enhancements–what are associated costs?
Vehicles using cellular for
certificate management would also need DSRC for safety applications.