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

Apple Inc

San Diego, CA

JOB DETAILS
SKILLS
4G (4th Generation) Wireless, ASIC (Application Specific Integrated Circuit), Algorithms, Analysis Skills, Apple, Artificial Intelligence (AI), Automation, Broadband, Budgeting, C Programming Language, C++ Programming Language, Communication Systems, Computer Architecture, Computer Firmware, Computer Science, Concurrency, Concurrent Programming Language Family, Digital Signal Processing (DSP), Diversity, Embedded Systems, Formal Verification, Hardware Virtualization, Linear Algebra, Machine Learning, Memory Hardware, Prototyping, Python Programming/Scripting Language, Realtime Operating System, Scripting (Scripting Languages), Signal Processing, Signal Processing Algorithms, Software Engineering, Source Code/Configuration Management (SCM), Standards Development, Systems Engineering, Testing, Third Generation Partnership Project (3GPP), Virtualization, Wireless Communications
LOCATION
San Diego, CA
POSTED
18 days ago

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 4G/5G/6G 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 cellular physical layer algorithms on digital/vector signal processors with tight time, latency, memory 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.
  • Analyze, refine and implement fixed-point firmware and validate bit-exactness to the algorithmic reference
  • 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 processesMinimum requirement of a bachelors degree. Experience either with implementing digital signal processing algorithms using special purpose digital/vector signal processing HW -OR- wireless physical layer channels by interfacing to special purpose hardware. 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 scripting experience (Python) for developing automation toolingUnderstanding of 3GPP cellular standards (4G/5G physical layer aspects). Familiarity with digital/wireless communications. Significant experience with memory constrained Real Time Operating Systems (RTOS) and concurrent programming. Familiarity with machine learning (ML) concepts and generative AI

About the Company

A

Apple Inc

We bring amazing people together to make amazing things happen.

We’re a diverse collection of thinkers and doers, continually reimagining what’s possible to help us all do what we love in new ways. The people who work here have reinvented entire industries with the Mac, iPhone, iPad, and Apple Watch, as well as with services, including iTunes, the App Store, Apple Music, and Apple Pay. And the same passion for innovation that goes into our products also applies to our practices — strengthening our commitment to leave the world better than we found it.

About Apple

There’s a place here for every kind of brilliant. Everyone here is an innovator, or an innovator-to-be, no matter what your team or your role. So bring your passion, courage, and original thinking and get ready to share it, because every new product, service, or feature we invent is the result of people working together to make each others’ ideas stronger. Innovation at this level depends on people who represent the variety of the human experience and inspire us with their own fresh perspectives. Together, we’ll do amazing work that can make a difference in people’s lives. Including your own. Learn more about working at Apple.

COMPANY SIZE
10,000 employees or more
INDUSTRY
Computer/IT Services
FOUNDED
1976
WEBSITE
https://www.apple.com/jobs