Dedicated short-range communications

Dedicated short-range communications
"DSRC" redirects here. For other uses, see DSRC (disambiguation).

Dedicated short-range communications are one-way or two-way short- to medium-range wireless communication channels specifically designed for automotive use[1] and a corresponding set of protocols and standards.[2] In October 1999, the United States Federal Communications Commission (FCC) allocated in the USA 75MHz of spectrum in the 5.9GHz band for DSRC to be used by Intelligent Transportation Systems ITS.[3] 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.[4]


Currently its main use in Europe and Japan is in electronic toll collection.[5] DSRC systems in Europe, Japan and U.S. are not, at present, compatible.

Other possible applications are:

  • Emergency warning system for vehicles
  • Cooperative Adaptive Cruise Control
  • Cooperative Forward Collision Warning
  • Intersection collision avoidance
  • Approaching emergency vehicle warning (Blue Waves)
  • Vehicle safety inspection
  • Transit or emergency vehicle signal priority
  • Electronic parking payments
  • Commercial vehicle clearance and safety inspections
  • In-vehicle signing
  • Rollover warning
  • Probe data collection
  • Highway-rail intersection warning
  • Electronic toll collection

Other short range wireless protocols are IEEE 802.11, Bluetooth and CALM.

Contents

Standardization

In the European standardization organisation CEN, sometimes in co-operation with the International Organization for Standardization (ISO) the following DSRC standards have been developed:

  • EN 12253:2004 Dedicated Short-Range Communication – Physical layer using microwave at 5.8 GHz (review)
  • EN 12795:2002 Dedicated Short-Range Communication (DSRC) – DSRC Data link layer: Medium Access and Logical Link Control (review)
  • EN 12834:2002 Dedicated Short-Range Communication – Application layer (review)
  • EN 13372:2004 Dedicated Short-Range Communication (DSRC) – DSRC profiles for RTTT applications (review)
  • EN ISO 14906:2004 Electronic Fee Collection – Application interface

Each standard addresses different layers in the OSI model communication stack.

See also

References

  1. ^ Harvey J. Miller and Shih-Lung Shaw (2001). Geographic Information Systems for Transportation. Oxford University Press. ISBN 0195123948. http://books.google.com/books?id=2XjtJIUG-gMC&pg=RA1-PA311&dq=%22Dedicated+Short+Range+Communications%22&as_brr=3&ei=XdPsSKXrHIGgsgOp6-nLBg&sig=ACfU3U3QIpLfxrC6-VjFrsHom4fKVsrf8Q. 
  2. ^ "What is DSRC?". leearmstrong.com. http://www.leearmstrong.com/DSRC/DSRCHomeset.htm. Retrieved 2008-02-17. 
  3. ^ "Federal Communications Commission. News Release, October 1999". FCC. http://www.fcc.gov/Bureaus/Engineering_Technology/News_Releases/1999/nret9006.html. Retrieved 2009-08-16. 
  4. ^ "European Telecommunications Standards Institute. News Release, September 2008". ETSI. http://www.etsi.org/WebSite/NewsandEvents/2008_09_Harmonizedstandards_ITS.aspx. Retrieved 2009-08-16. 
  5. ^ "DSRC Standards: What's New?". standards.its.dot.gov. http://www.standards.its.dot.gov/Documents/advisories/dsrc_advisory.htm. Retrieved 2008-02-17. 

External links


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