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Dedicated short-range communications

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Definition Edit

Dedicated short-range communications (DSRC) are one-way or two-way short- to medium-range wireless communication channels specifically designed for automotive use and a corresponding set of protocols and standards.

Overview Edit

In October 1999, the Federal Communications Commission (FCC) allocated 75MHz of spectrum in the 5.9GHz band for DSRC to be used by Intelligent Transportation Systems (ITS). Also, in Europe in August 2008 the European Telecommunications Standards Institute (ETSI) has allocated 30 MHz of spectrum in the 5.9GHz band for ITS. "This spectrum is capable of supporting safety applications that require nearly instantaneous communication. DSRC can enable a communication network of nodes consisting of mobile vehicles or roadside units, sharing traffic and safety information and coordinating vehicle behavior."[1]

A central ongoing policy issue is the future of DSRC. While DSRC licenses became available in 2004, they have only been used in experimental and demonstration projects. Recently, the Federal Communications Commission (FCC) announced in a Notice of Proposed Rulemaking that it was considering allowing unlicensed devices to share the spectrum allocated to DSRC for purposes unrelated to transportation use.[2]

References Edit

  1. Autonomous Vehicle Technology: A Guide for Policymakers, at 67.
  2. Id. at xxi.


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