Network communication is the ‘foundation & highway’ of the in-vehicle information interaction. It is very important to make sure the high efficiency and fluency of network communication in automotive electronics R&D and validation. Based on the requirement specs of customers and industry, our experiences and know-how, Polelink can provide customized test services at all the phases from enterprise level test specifications development, test scripts implementation, test execution to issue tracking in the field of Network(including Automotive Ethernet) & Diagnostic. We have already served Geely, GAC, PATAC, GreatWall Motor, Chana, BYD for test specs development and upgrade.

Automotive Ethernet, Provide the customized test services for automotive ethernet on component, system and vehicle level as complement to the conformance test specs of Open Alliance/Avnu/IEEE.

• Validation of customer’s requirement conformation                                  

•  Validation of Robustness

• Test of customer’s applications

• Test of Vehicle’s environmental scenarios

                          Figure: Test Reports of Automotive Ethernet PMA PSD and SOME/IP

CAN & CAN FD, Provide the test services on component, system and vehicle level according to ISO & SAE standards and customized specifications:

• Physical Layer, Data Link Layer

•  Node Management, Fault Tolerance

• Interaction Layer

• OSEK & AUTOSAR Network Management

                                       Figure: Example of Network Management Test Specification

                                      Figure：Bit Rate Test of CAN FD

LIN, Provide the test services on component, system and vehicle level according to LIN & SAE standards and customized specifications:

• Physical Layer, Data Link Layer

• Schedule Table

• Network Management, Fault Tolerance

• Scenario Test: Sleeping & Wake-up, etc.

Gateway，Provide test specification development according to customer’s Gateway function specifications

• Routing Function Test: Signal Routing, Message Routing, Diagnostic Routing, IP Routing, etc.

• Routing Performance & Robustness Test

Diagnostic Protocol，Provide test specification development of Diagnostic Services, Diagnostic Data Format and Diagnostic Parameters according to UDS requirement specifications and customized requirements. For requirements which are complying with standards, the test could be covered by CANoe.Diva. The test specification development of Diagnostic Transport Layer includes:

•  CAN TP：No customization, implemented in CANoe.Diva

•  LIN-TP

• CAN-FD TP

• FR TP

• Ethernet TP: Standard TCP/UDP

Flashing on UDS, Provide customized test specification development on component, system and vehicle level according to customized flashing process and UDS standard services, since flashing process is  customized by each OEM.

•  Positive Flashing Test, Validation of Process and Function

• Negative Flashing Test, Validation of Robustness

                                                   Figure：Test Report of Flashing on UDS

Cyber Security，Focus on test development and application of in-vehicle network security, including:

•  L2（ECU Level）：Encryption and validation of communication signals

•  L3（Architecture）：Network firewall