Digital Signal Processing(DSP)/RF Modeling Intern at Impinj · Seattle

Summary: Impinj is a leading RAIN RFID provider and Internet of Things pioneer. They are seeking a DSP/RF Modeling Intern to collaborate with RF systems engineers and simulation developers to enhance their Python-based link-level simulation environment for RAIN RFID research and product development. Responsibilities: - Restructure the RF channel-modeling framework into a clear, maintainable object-oriented hierarchy - Develop a unified geometry-based RF propagation model consolidating free-space, reflection, and multipath calculations - Extend geometric modeling to incorporate realistic antenna directionality and frequency-dependent gain - Create comprehensive unit and integration tests validating channel behavior against analytical models - Implement and test a new RF or DSP technique using the enhanced channel models - Document best practices enabling rapid algorithm prototyping using the improved modeling framework Required Qualifications: - Currently enrolled in a Bachelor's or Master's program in Electrical Engineering, Computer Engineering, Physics, or a related field - 1-3+ years of relevant coursework experience - Proficiency in Python and numerical computing libraries - Experience with testing frameworks and validating simulations against analytical models - Exposure to MIMO concepts, propagation modeling, antenna modeling, or link budget analysis - Strong analytical and debugging skills - Strong communication and documentation skills Required Skills: Python, Numerical computing libraries, MIMO concepts Important Skills: Testing frameworks, Propagation modeling, Antenna modeling Nice-to-Have Skills: Analytical models, Debugging skills, Communication skills, Documentation skills Benefits: Healthcare benefits, 401(k) plan and company match, Merit increases, Annual bonus, Stock, Sales incentives based on revenue or utilization, Open paid time-off policy