Wireless Radio Systems Engineer
Core
Design radio models, system integration, and physical layer algorithms for innovative wireless communication systems to ensure radio performance and reliability.
Role type
Senior IC wireless radio systems engineer (silicon design)
Builds
Wireless silicon products (SOCs) for Apple devices
Domain
Consumer electronics, wireless communications, RF/analog systems
Required skills
RF and analog component modeling, radio chain modeling, dynamic behavior modeling, impairment assessment, calibration and correction algorithm design, quantitative analysis, link simulation, lab testing and characterization, MATLAB, Python, C/C++
Preferred skills
Communication theory, information theory, signal processing algorithms, physical layer design optimization, wireless protocols (5G-NR/LTE/WCDMA/GSM/WiFi/Bluetooth), circuit design
Technologies
MATLAB, Python, C/C++, spectrum analyzer, signal generator, signal analyzer, power meter
Responsibilities
Design radio models for wireless communication systems and RF/circuits impairments; Develop methods/algorithms to alleviate impairments via calibration, pre-equalization, canceller, and pre-distortion; Evaluate radio performance in various scenarios using quantitative analysis and link simulation; Collaborate with HW digital designers, architects, products, radio/analog designers, and SW engineers to define wireless systems; Work with firmware designers to implement high-efficiency physical/radio compensation algorithms; Bring up, test, characterize, and optimize real silicon in lab to production qualities.
Seniority
Senior, hands-on IC
