Modem and RF System Engineer
3 weeks ago
This is a key member position on the system engineering team working on modem systems features and requirements. The ideal candidate will have deep knowledge of communication system theory and signal processing, as well as experience with automatic gain control (AGC) for LTE/NR and analog and digital beam forming techniques and MIMO systems.
Key Responsibilities
- Collaborate across RF and modem teams (HW/FW) on AGC development and RF modeling activities.
- Develop RF models for link-level simulations, analyze/characterize the results and provide mitigation and optimization guidelines.
Requirements
- Deep-knowledge of communication system theory and signal processing.
- Knowledge of RF systems, RF impairment modeling and mitigation techniques (phase noise, IQ imbalance, DC offset, etc), digital RF-front design.
- Knowledge of cellular communication standards: 5GNR FR1/FR2, 4G LTE, 3G (HSPA), 2G GSM.
- Experience with automatic gain control (AGC) for LTE/NR is a plus.
- Experience with analog and digital beam forming techniques and MIMO systems.
- Fluent in Matlab, and/or C/C++/Python for algorithm development, modeling (floating-point and fixed-point) and link-level analytical skills (linear algebra, random processes, detection and estimation, etc.).
- Experience in chip bring-up including the use of lab equipment such as protocol test equipment, spectrum analyzers, signal generators, power meters, etc. a plus.
- Hands-on experience in lab testing & characterization is a plus.
- Strong teamwork and communication skills.
- Education & Experience: BS with 10+ years of relevant experience.
What We Offer
- Comprehensive medical and dental coverage.
- Retirement benefits.
- A range of discounted products and free services.
- Reimbursement for certain educational expenses.
- Discretionary bonuses or commission payments.
- Relocation assistance.
Apple is an Equal Opportunity Employer
We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.
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