Embedded 5G/4G Cellular Physical Layer Data Path Signal Processing Firmware Engineer

  • San Diego, CA
  • Posted 30 days ago | Updated 10 hours ago

Overview

On Site
Full Time

Skills

Innovation
Wireless Communication
Physical Layer
Embedded Systems
4G
Embedded Software
Writing
Digital Signal Processing
Energy
Budget
Cellular
ASIC
3GPP
Linear Algebra
Estimating
Signal Processing
Algorithms
Computer Hardware
Firmware
Emulation
Formal Verification

Job Details

Summary
Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other's ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It's the diversity of our people and their thinking that inspires the innovation that runs through everything we do. When we bring everybody in, we can do the best work of our lives. Here, you'll do more than join something - you'll add something.

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.

Description
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.
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