Narendar Raj Vijayakumar

Led middleware architecture for hybrid radio for Android IVI, aligning interfaces with OEM requirements. Defined and deployed system-level architectures balancing cost and performance trade-offs. Prototyped context-aware audio solutions like seat-position EQ adaptation. Designed and deployed test automation frameworks to validate LLM-based speech assistants on HIL/vehicle, verified Ethernet communication. Define audio architecture for QNX based Android IVI

• Conducted research on multichannel active noise control systems in subbands, comparing filter banks like MDCT, PQMF, and STFT, and implementing various subband adaptive filtering algorithms • Made system level implementation in Matlab Simulink for simulating performance parameters • Evaluated performance parameters and noise attenuation efficiency through prototype setup. •Used code Converters in matlab and optimised memory intensive code for efficiency

• Made a theoretical study of FX-LMS based Active noise cancellation system with Matlab Simulink • Developed internal tools in C# for designing signal flows, control logic for DSP modules, and an audio tuning tool for automotive us

• Good Knowledge in extending web API functionalities to support new features. • Have a good knowledge in testing the OBIGO App framework and OTAs. • Good in developing test scripts and test apps for the OBIGO app framework and provide Licensing for the apps • Efficiently Performed functional test validation for Connectivity, CAN Diagnostics , Ethernet , Bluetooth features in the infotainment system • Efficiently prepared a Feature readiness report and present it to the customers

• Efficiently developed a Wrapper service(C++) for cluster-IVI Ethernet communication using SOMEIP protocol . • Worked with connectivity (Wifi, TCU) Testing and implementations. • Worked with Intel bootloader (ABL) for android based infotainment systems to analyse kernel crashes at startup. • Responsible for testing network security, MAC , Firewall, DAC in infotainment systems and secure boot mechanisms. • Have a good knowlegde in vehicle IOCs and SOCs.

• Good at performing system testing for the App Framework module, Wi-Fi and connectivty module(TCU). • Efficient in designing Test cases, reviewing them for test plan approval. • Debugging the test case failures and preparing a failure analysis report. • Had a good knowledge in working Teraterm Deugger tool for bootup issues. • Flashing procedures for Ford Infotainment software and recovering the bricked radio HW.

Microcontrollers, Digital Logic circuits, Electronic devices and circuits, Data structures , Digital signal processing