• Developed high speed energy efficient embedded firmware for various Qualcomm modem chipsets.
• Designed efficient firmware solutions for hardware engines and interfaces for various interdependent hardware components and blocks whilst adhering to strict hardware timing designs.
• Handled firmware code in interfacing several hardware modules and their interdependencies, simulation/emulation code for mimicking actual modem behavior and ‘playback’ code for thorough verification of input test-vectors.
• Involved in silicon bring-up of modems and did thorough validation, testing and integration of scenario vectors accommodating multiple carriers, bandwidths and layers.
• Resolved mismatches in DMA comparisons, test vector validation and verification of accurate data in LTE memory bank.
• Analyzed and resolved issues on multiple LTE modems: firmware simulation, vector mismatches, waveform timeline issues and log packet updates.
• Debugged silicon performance issues, code-up enhancements, power-up enhancements and implemented new features in modems.