- 1、DSRCProtocolConformanceTestTechnologyofOBUEquipment2、Miniaturizationof5.8GHzCircularlyPolarizedAntennaUsedintheOBUofETCSystem3、EnforcementisdoneusingmoreDSRCbeaconsattheroadside,andalsovisually.ColouredlightsontheOBUtellpolicewhetheratruckislega...
- 20349