Wireless Systems Engineer - Physical Layer Control

Beijing
Permanent
Full-time

1 month ago

Imagine what you could do here. At Apple, new insights have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there is no telling what you could accomplish. Dynamic, smart 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 transforming hardware technology? We are searching for an experienced and dedicated engineer to join our exciting team of innovators.DescriptionIn this role, you will be a key member of the Systems Engineering team working on Physical layer control for 3GPP LTE and NR technologies. As a Wireless Systems Engineer, your day-to-day work will involve crafting and optimizing the fundamental control mechanisms that enable high performance cellular communication on Apple product. Your key responsibilities will include: Scope different physical layer control procedures in LTE and NR, identify performance trade-offs, and design innovative control procedures Identify dependencies between physical layer and upper layers to optimize control concepts Participate in cross-feature impact analysis to determine how physical layer procedures impact other systems and strive for jointly optimized algorithms Consider end-user experience and scalability aspects as integral parts of algorithm design Support hardware and software development teams from design through commercialization by defining test procedures and debug methodologies Collaborate with and lead multi-functional teams to deliver solutions that meet Apple's high standards for performance and user experienceMinimum Qualifications

Master's degree in Computer Science, Electrical Engineering, or Communications Engineering
7 years of experience developing wireless communication systems
Experience working with 3GPP LTE and NR standards, specifically RRC and PHY layers
Experience with log analysis, scripting languages, workflow automation, data analysis and visualization tools
Experience applying theoretical and analytical approaches to solve complex technical problems
Proficiency in English

Preferred Qualifications

10 years of experience developing wireless communication systems
Experience working as a systems engineer at a tier-1 modem chipset company
Experience with modem chipset bring-up and integration processes
Experience improving user experience through technical optimization
Knowledge of key RRC signaling flows between user equipment and network infrastructure
Knowledge of efficiency analysis from physical layer to data plane and TCP/IP protocols
Ability to make informed design trade-offs considering power consumption, performance, and implementation complexity
Ability to assess performance impact under various constraints such as concurrency issues, hardware capacity.

Apple

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