Cellular PHY Systems Engineer

Apple • San Diego, CA

1d

About The Position

Imagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job, and there's no telling what you could accomplish. Dynamic, sensible people and inspiring, innovative technologies are the norm here. Join us to help deliver the next groundbreaking Apple product. Do you love working on challenges that no one has solved yet? Are you ready to join a team redefining hardware technology? We are searching for a dedicated engineer to join our exciting team of innovators. In this role, you will be a key member of the system engineering team working on modem systems features and requirements.

Requirements

• MS in EE or related field.
• Knowledge of cellular communication standards: 5G NR, 4G LTE, PHY uplink channels and signals.
• Deep-knowledge of communication system theory and signal processing.
• Experience with Matlab, C/C++ and/or Python for algorithm development, modeling (floating-point and fixed-point) and link-level simulation.

Nice To Haves

• Familiarity with 6G is an advantage.
• Design algorithms such as LDPC, Polar, Turbo encoder design, signal estimation and detection, uplink power control, RF impairments estimation and correction, channel estimation, OFDM, MIMO detection, signal waveform generation and upsampling, etc.
• Experience in low power algorithm design for power critical applications is helpful.
• Experience in E2E timeline analysis for time-critical algorithms is helpful.
• Experience in chip bring-up including the use of lab equipment such as protocol test equipment, spectrum analyzers, signal generators, power meters, etc.
• In-depth knowledge of wireless communication systems with hands-on experience in lab testing & characterization.
• Strong analytical skills (linear algebra, random processes, detection and estimation, etc.)

Responsibilities

• Responsible for the pre- and post-silicon bring up, and validation of end-to-end cellular systems.
• Understand and map systems algorithms and requirements to HW/FW architecture.
• Simulation and emulation-based validation of the control flows and PHY/L1 algorithms.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior