Connected Vehicle

Testing Service

Announced

TCROS 2024

Taiwan Telematics Industry Association (TTIA) announced the "Traffic Controller to Roadside Open Standard, TCROS 2024" standard and testing specifications on April 16, 2024, which can be applied to the "Urban Traffic Control Communication Protocol Version 3.0" and meets the international standard communication protocol of SAE J2735. TCROS 2024 includes 10 protocols including SPaT, V2X MAP, V3 TCROS USE, SRM, SSM, PSM, TIM, RSA, EVA, and BSM.

TCROS 2024 Test Item

Signal Controller Test Item

  • TS1: V3 TCROS USE SPAT C-V2X information release format consistency
  • TS2: V3 TCROS USE SPAT C-V2X information release time responsiveness
  • TS3: V3 TCROS USE SignalGroupID information management operation correctness
  • TS4: V3 TCROS USE SPAT C-V2X information return frequency operation correctness
  • TS5: V3 TCROS USE SPAT C-V2X Information Release - Operation Scenario 1 [Advanced]
  • TS6: V3 TCROS USE SPAT C-V2X Information Release - Operation Scenario 2 [Advanced]
  • TS7: V3 TCROS USE SPAT C-V2X Information Release - Operation Scenario 3 [Advanced]
  • TS8: TCROS SPAT protocol format consistency [optional]

RSU verification architecture

OBU verification architecture

C-V2X Device Test Item

  • ROS1: TCROS SPAT protocol content correctness
  • ROS2: TCROS V2X MAP protocol content correctness
  • ROS3: OBU compiles TCROS SRM protocol content correctness
  • ROS4: RSU compiles TCROS SSM protocol content correctness
  • ROS5: RSU compiles TCROS TIM protocol content correctness
  • ROS6: RSU compiles TCROS PSM protocol content correctness
  • ROS7: OBU interprets TCROS SPAT protocol content correctness
  • ROS8: OBU interprets TCROS V2X MAP protocol content correctness
  • ROS9: RSU interprets TCROS SRM protocol content correctness
  • ROS10: OBU interprets TCROS SSM protocol content correctness
  • ROS11: OBU interprets TCROS TIM protocol content correctness
  • ROS12: OBU interprets TCROS PSM protocol content correctness
  • ROS19: OBU compiles TCROS BSM protocol content correctness
  • ROS20: RSU compiles TCROS RSA protocol content correctness
  • ROS21: OBU compiles TCROS EVA protocol content correctness
  • ROS22: RSU interprets TCROS BSM protocol content correctness
  • ROS23: OBU interprets TCROS RSA protocol content correctness
  • ROS24: RSU interprets TCROS EVA protocol content correctness

ROS13~ROS18 are advanced projects, please refer to the announcement document.

How to Apply

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