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DSRC Supporting Information

DSRC Supporting Information. Authors:. Date: 2013-05-13. Abstract. Additional supporting information is supplied pertinent to DSRC and the 5.9 GHz spectrum discussions. DSRC vs. WAVE. DSRC – Dedicated Short Range Communications

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DSRC Supporting Information

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  1. DSRC Supporting Information Authors: • Date: 2013-05-13 Lee Armstrong, Armstrong Consulting, Inc.

  2. Abstract • Additional supporting information is supplied pertinent to DSRC and the 5.9 GHz spectrum discussions. Lee Armstrong, Armstrong Consulting, Inc.

  3. DSRC vs. WAVE • DSRC – Dedicated Short Range Communications • General term with relatively long history. Until what is now the 802.11p usage, the term was most commonly applied to electronic toll collection transponders • WAVE – Wireless Access in Vehicular Environment • Created to avoid confusion with previous examples of DSRC. “This is not just another toll tag.” • In general the terms are interchangeable, WAVE is used when there may be confusion with earlier examples of DSRC. Lee Armstrong, Armstrong Consulting, Inc.

  4. References • Introduction to “Connected Vehicle Test Bed” by Intelligent Transportation Systems Joint Program Office of the US DoT (plus links to related sites) • http://campaign.r20.constantcontact.com/render?llr=shwsbvdab&v=001ETD-u6eVKYs1BauYC_CeK8zc1HVjvDXQq0sz5Z5Zl7Fy0VL4LivSMqZ_6PENUSQ8tam3TczwN_KCit1PkncJVlRwRDJWS-zUCBSpy02VvApOW3vvjHI94w%3D%3D • “Connected Vehicles and the Impacts of Spectrum Sharing” by the Auto Alliance (follow other links also) • http://www.autoalliance.org/index.cfm?objectid=D6D03A50-B755-11E2-B62D000C296BA163&goback=.gde_2120902_member_239612580 Lee Armstrong, Armstrong Consulting, Inc.

  5. Requirements Summary • Vehicle speeds to 200kph • Hundreds of vehicles in communication zone at a time • Response times on the order of 100ms • Operation whenever/wherever vehicles may be • Communications range of up to 1000 m for select uses • Many overlapping zones/applications • Safety of life level of reliability • Initial requirements analysis done about 12 years ago, constantly being updated Lee Armstrong, Armstrong Consulting, Inc.

  6. DSRC Architecture Higher Layer Standards 1609.11 1609.2 1609.1 Security Management UDP/TCP WSMP 1609.3 IPv6 LLC 1609.4 MAC(including channel coordination) 802.11 PHY Lee Armstrong, Armstrong Consulting, Inc.

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