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Apple Embedded 5G/4G Cellular Physical Layer Data United States, California, San Diego 235776900
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As a Wireless Embedded Physical Layer Data Path Signal Processing Firmware Engineer on this team, you will be at the center of the embedded 5G/4G/multimode cellular firmware effort within a silicon design group responsible for crafting and productizing powerful cellular SoCs. This position requires someone comfortable with all aspects of embedded software development, has experience writing firmware, which is tightly coupled to hardware, is not afraid to debate ideas openly, and is flexible enough to shift on constantly evolving requirements.
Implement key 3GPP digital signal processing algorithms with very tight time, latency and energy budgets by interfacing to specialized cellular ASIC hardware. If you have strong hardware programming understanding, you will implement firmware which implements 3GPP channels and procedures such as: PDCCH, PDSCH, PBCH PUCCH, PUSCH, PRACH UL/DL HARQ. If you have linear algebra and signal processing understanding, you may implement some of the following:- Channel Estimation- Channel State Feedback- Interference Cancellation- Cell Search and Measurement- Beam Measurement- Work with systems engineers to refine signal processing algorithms for efficient firmware/hardware execution. - Specify, design, and implement the firmware architecture for superior power, performance, and cost.- Assist in the development on pre-silicon emulation systems/virtual platforms and use them for verification.- Evaluate and implement groundbreaking tools for build, formal verification and test.- Define methodologies and standard processes.
- BS and 10+ years of relevant industry experience.
- Experience either with implementing digital signal processing algorithms using special purpose digital signal processing HW -OR- wireless physical layer channels by interfacing to special purpose hardware.
- Experience leading feature delivery for a complete firmware/software life cycle.
- Experience architecting system level features.
- Deep understanding of software engineering principles, and core computer science fundamentals.
- Fundamental facility with C and C++, compilers, build and source code control tools.
- Experience with silicon prototyping, emulation systems, and virtual platforms.
- Solid understanding of computer architecture with particular emphasis on the HW/SW interfaces of high-speed communication subsystems.
- Some mainstream OS application-level development and Python or Perl scripting experience.
- Understanding of 5G and 4G 3GPP protocols.
- Some familiarity with wireless communications.
- Significant experience with memory constrained Real Time Operating Systems (RTOS) and concurrent programming.
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.
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